Oil and Gas Glossary

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TRP Minerals want to make sure that mineral owners have the most relevant information in order to increase their ability to create value from their minerals.

OIL AND GAS INDUSTRY DEFINITIONS

LAND

LEASE

EVALUATION

GEOLOGY

ENGINEERING

LAND GLOSSARY

Assignment

The sale, transfer or conveyance of all or a fraction of ownership interest or rights owned in real estate or other such property. The term is commonly used in the oil and gas business to convey working interest, leases, royalty, overriding royalty interest and net profits interest.

Division Order

An agreement between the operator and net revenue interest (NRI) owner in which the parties specify the fractional type of interest attributed to the NRI owner by the operator after an examination of title.

Drilling Unit

The combining of multiple wells to produce from a specified reservoir.

Fee Simple Interest

Ownership of the entire and absolute right or interest to use or exploit a tract of land from the center of the earth to the stars, including the air, surface and minerals.

Field Rules

State rules for spacing and  production within a common reservoir covering specific geographic extents.

Force Pooling

Force Pooling is the act of being forced by state law into participation in an oil and/or gas producing unit. Pooling is a technique used by oil and gas operating companies to organize drilling unit.

Grantee

The person or entity that is granting or conveying lands, minerals, etc.

Held By Production (HBP)

A term used to define the provision in a lease that extends the right to operate a lease as long as a well produces a minimum quantity of oil and/or gas.

Increase Density

Spacing orders limit development to one well per unit.  Operators can request a hearing with State regulatory bodies to increase the number of well in a spacing order based on drainage of the reservoir.

Mineral Owner

The owner of the rights and interest of a mineral estate where the minerals have been severed from the surface.

Mineral Title

The legal ownership of  minerals within a specific tract of land.

Mineral Rights

Ownership of the right to exploit, mine or produce all minerals lying beneath the surface of a property. In this case, minerals include all hydrocarbons. Mineral interests include: 1. the right to use as much of the surface as is reasonably necessary to access the minerals, 2. the right to execute any conveyances of mineral rights, 3. the right to receive bonus consideration, 4. the right to receive delay rentals and 5. the right to receive royalty. Any or all of the above five rights of mineral ownership may be conveyed by the mineral owner.

Non-Participating  Royalty Interest

A interest in an mineral estate that provides rights to participate in  the production of oil and gas.  A  non-participating Royalty Interest has no executive rights or the ability to  negotiate or act as an agent of the mineral estate.

Overriding Royalty Interest (ORRI)

ORRI is a fractional, undivided interest with the right to participate or receive proceeds from the sale of oil and/or gas. It is not an interest in the minerals, rather an interest in the proceeds or revenue from the oil & gas minerals sold that is limited to specific tracts of land.

Participating Royalty Interest

A royalty interest giving its owner  the right to “participate” in bonuses received and in proceeds of revenue  from oil and/or gas produced.

Pooled Unit

Unit created by combining separate mineral interests  under the pooling clause of a lease or agreement.

Pooling Order

Pooling Orders result from hearing within the States regulatory body  that determine the parameters of the  Forced Pooling.

Ratification

The act of confirming. Ratification of an oil and gas  lease means to confirm it’s existence and terms.

Section

Townships are divided into 36 sections. Each section is a one mile  square containing 640 acres.

Severance

The separation of a mineral or royalty interest from  other interests in that land.

Severance Tax

A state tax levied against both  royalty and working interest owners upon their pro-rata share of oil and gas  production.

Title Abstract

A chronological history of the  ownership or significant events effecting a particular piece of property.

Title Curative

Measures taken to fix any defects in the chain of title (ownership history), which includes correcting instruments and reconciling title with the use and possession of land.

Top Lease

An oil and gas lease which becomes effective only after the expiration (or termination) of an existing lease upon the subject land tract.

Township - Range

The location of a specific Township is determined by the combination of "Township & Range". The Township & Range are reverenced from the State's Principal Meridian and the Base Line. For any given mineral owner, there is know need to know where the Principal Meridian or Baseline is located as any county land map will show the Township & Range.

Working Interest (WI)

A percentage of ownership in an oil and gas lease granting its owner  the right to explore, drill and produce oil and gas from a tract of property.  Working interest owners are obligated to pay a corresponding percentage of  the cost of leasing, drilling, producing and operating a well or unit. After  royalties are paid, the working interest also entitles its owner to share in  production revenues with other working interest owners, based on the  percentage of working interest owned

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LEASE GLOSSARY

Delay Rental

Consideration paid to the lessor by a lessee to extend the terms of an  oil and gas lease in the absence of operations  and/or production that is contractually required to hold the lease. This consideration is usually required to be paid on or before the  anniversary date of the oil and gas lease during its primary term, and  typically extends the lease for an additional year. Nonpayment of the delay  rental in the absence of production or commencement of operations will result  in abandonment of the lease after its primary term has expired.

Lease Bonus

The cash payment or consideration that is paid by the Lessee for the execution of and oil and gas  lease by the mineral owner.

Lease Option

Consideration paid to the lessor by a lessee to extend the terms of an  oil and gas lease in the absence of operations  and/or production that is contractually required to hold the lease. This consideration is usually required to be paid on or before the primary term of the lease expires.

Lessee

The person or entity that is receiving an oil and gas lease.

Lessor

The person or entity that  is granting an oi and gas lease.

Net Revenue Interest (NRI)

NRI is the mineral owner's interest in the revenue of a well.  NRI are calculation by the Royalty Rate in  conjunction with the spacing and allocation of the well. Formula: ((Net  Mineral Acre/Spacing Size)*Allocation %))*Royalty Rate

Primary Term

The initial period provided in an oil and gas lease to  develop the property. Oil & gas leases often have a secondary term referred to as an Extension or Kicker.

Pugh Clause

A clause often added to an oil lease to limit holding non producing lands or depths beyond primary term of a lease. Also known as a Freestone rider.

Royalty

The payment received from the production of oil and/or gas as stimulated by an oil and gas lease.

Royalty Percentage or Royalty Rate

Percentage of gross or net production that is paid to the mineral owner.

Shut In Royalty

Payment to royalty owners under the terms of a lease  which allows the lessee to defer production from a well capable of producing  but shut in for lack of a market.

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EVALUATION GLOSSARY

Analogue Wells

Wells that have a similarity on  which a comparison is based represent the range of possible outcomes. Common  attributes used to compare wells are Geology, Reservoir, Well Density, Well  Design, First Production Date, and Completion Methodology.

PDP

Proved Developed Producing Reserves are reserves that are currently producing oil and/or natural gas.  PDP has the highest value as the development and execution risk has been eliminated.

PDNP

Reserves that have been developed and infrastructure is in-place, but it is not yet producing oil meaning that execution risk remains

PUD

Proved Undeveloped Reserves  are the least valuable  proved reserves as there is substantial development and execution risk  remaining before oil is produced.

Present Value

A concept that assumes  that money is worth more today than it will in the future. Specifically, PV is the current value of a future stream of cash flows based on a Discount Rate.

Purchase and Sale Agreement (PSA)

A Purchase and Sale Agreement is a legal document executed after mutual acceptance on an offer, which states the final sale price and all other terms of the purchase.

Type Curve

A production type curve is  a representative production profile of a well for a specific play and/or  area. That is, if you were going to drill a successful well in an area, a  type curve would be the “best representation” of the expected production  forecast.

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GEOLOGY GLOSSARY

Conventional Reservoir

A porous, permeable sedimentary rock containing oil and gas.

Formation

Formation is a geologic term to describe separate layers of rock based on depositional characteristics and/or structural constraints.

Permeability

Ability of rock to transmit fluids or gas through pore spaces.

Porosity

Percentage of the rock volume that can be occupied by oil, gas or water.

Sedimentary Rocks

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form  from deposits that accumulate on the Earth's surface. Sedimentary rocks often  have distinctive layering or bedding. Many of the picturesque views of the desert southwest show mesas and arches made of layered sedimentary rock.

Stratigraphic Traps

Structural traps form as a result of a structural deformation that creates an impervious boundary that inhibits hydrocarbons from migrating out of a contained reservoir.

Thermal Maturity

The extent of temperature–time driven reactions, which are responsible for the conversion of sedimentary organic matter to oil and gas

Total Organic Content (TOC)

The concentration of organic material in source rocks as represented by the weight percent of organic carbon.

Unconventional Reservoir

A low porosity and low permeability sedimentary rock containing oil and gas.

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EGINEERING GLOSSARY

Authority for Expenditure (AFE)

A budgetary document, usually prepared by the operator, to list estimated expenses of drilling a well to a specified depth, casing  point or geological objective, and then either completing or abandoning the well.

Completion

Term used to describe the events and equipment necessary to bring a wellbore into production once drilling operations have been  concluded, including but not limited to the assembly of downhole tubulars and equipment required to enable safe and efficient production from an oil or gas well. Completion quality can significantly affect production from unconventional reservoirs.

Flush Production

Refers to the first period of production after a well is completed and put on line. Usually the period of Flush Production provides disproportionately high rates of production compared to the production rates as a well ages.

Gathering Line

A pipeline that gather produced oil and gas within an oil and gas field to bring the oil and gas to a common point to make it more efficient to transfer the oil and gas to market.

Hydrocarbon

An organic chemical compound of Hydrogen and Carbon.  All natural oil and oil derivatives are hydrocarbons.

Infill Drilling

Well drilled between established producing wells on a lease to increase ultimate recovery of oil and gas.

Initial Production (IP)

The rate of the initial flow  of oil and/or gas from a well. Operators generally report IP as an average of production for 30 to 60 days.

Injection Well

A well that is used to inject fluids (usually Produced water) into a subsurface formation.

MCF

1,000 cubic feet of natural  gas measured at a standard pressure and temperature. MCF is the global metric of Natural Gas.

Natural Gas Liquids(NGL)

Refers to the state of the hydrocarbon that is a heavier liquid. Common NGLs are Ethane, Propane, Butane, Isobutane, and Pentane.

Operator

Person or entity responsible for maintaining well operations with the rules established by State Regulatory bodies.

Percentage Depletion

One of the two calculation  methodologies allowed by the IRS for calculating the depletion allowance on oil and gas mineral and royalty production. Generally, this allowance is calculated by multiplying 15% times the gross value of the annual production, but is limited to certain levels of production.

Perforations

Holes that are shot through the production casing and cement into the productive oil and/or gas formation.

Plug & Abandon (P&A)

Plugging and abandoning a well. After a well’s productive life, it is usually plugged and abandoned with cement and heavy mud. The wellhead is removed, and the casing cut off 3-6 feet underground, and a steel plate welded over the top.

Percentage Depletion

One of the two calculation  methodologies allowed by the IRS for calculating the depletion allowance on oil and gas mineral and royalty production. Generally, this allowance is calculated by multiplying 15% times the gross value of the annual production, but is limited to certain levels of production.

Possible Reserves

Possible reserves are highest risk of unproved reserves where the probability of successful extraction is at least 10%.

Probable Reserves

Probable reserves are less certain than Proved reserves and can be estimated with a degree of certainty sufficient to indicate that they are more likely to be recovered than not. Used to refer to reserves that have a 50% or greater chance of being produced.

Proven Reserves

Oil or gas which has not yet been produced but has been located and is economically recoverable. Used to refer to reserves that have a 90% or better probability of being produced in the current environment.

Recompletion

The completion for production of an existing well bore in another formation from that in which the well was previously completed.

Stripper Well

A mature well which is at or toward the end of its economic life.

Swabbing

The process of mechanically pulling (or lifting) liquids from a well bore.

Undeveloped Acreage

Lease acreage on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas.

Wellbore

The drilled hole or borehole, including the open hole or uncased portion of the well. Borehole may refer to the inside diameter of the wellbore wall, the rock face that bounds the drilled hole.

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BE EMPOWERED.
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Oil and Gas Glossary

Learn • Explore • Be Empowered

NTRP Minerals want to make sure that mineral owners have the most relevant information in order to increase their ability to create value from their minerals.

OIL AND GAS INDUSTRY DEFINITIONS

LAND
LEASE
EVALUATION
GEOLOGY
ENGINEERING
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Assignment

The sale, transfer or conveyance of all or a fraction of ownership interest or rights owned in real estate or other such property. The term is commonly used in the oil and gas business to convey working interest, leases, royalty, overriding royalty interest and net profits interest.

Division Order

An agreement between the operator and net revenue interest (NRI) owner in which the parties specify the fractional type of interest attributed to the NRI owner by the operator after an examination of title.

Drilling Unit

The combining of multiple wells to produce from a specified reservoir.

Fee Simple Interest

Ownership of the entire and absolute right or interest to use or exploit a tract of land from the center of the earth to the stars, including the air, surface and minerals.

Field Rules

State rules for spacing and  production within a common reservoir covering specific geographic extents.

Force Pooling

Force Pooling is the act of being forced by state law into participation in an oil and/or gas producing unit. Pooling is a technique used by oil and gas operating companies to organize drilling unit.

Grantee

The person or entity that is granting or conveying lands, minerals, etc.

Held By Production (HBP)

A term used to define the provision in a lease that extends the right to operate a lease as long as a well produces a minimum quantity of oil and/or gas.

Increase Density

Spacing orders limit development to one well per unit.  Operators can request a hearing with State regulatory bodies to increase the number of well in a spacing order based on drainage of the reservoir.

Mineral Owner

The owner of the rights and interest of a mineral estate where the minerals have been severed from the surface.

Mineral Title

The legal ownership of  minerals within a specific tract of land.

Mineral Rights

Ownership of the right to exploit, mine or produce all minerals lying beneath the surface of a property. In this case, minerals include all hydrocarbons. Mineral interests include: 1. the right to use as much of the surface as is reasonably necessary to access the minerals, 2. the right to execute any conveyances of mineral rights, 3. the right to receive bonus consideration, 4. the right to receive delay rentals and 5. the right to receive royalty. Any or all of the above five rights of mineral ownership may be conveyed by the mineral owner.

Non-Participating  Royalty Interest

A interest in an mineral estate that provides rights to participate in  the production of oil and gas.  A  non-participating Royalty Interest has no executive rights or the ability to  negotiate or act as an agent of the mineral estate.

Overriding Royalty Interest (ORRI)

ORRI is a fractional, undivided interest with the right to participate or receive proceeds from the sale of oil and/or gas. It is not an interest in the minerals, rather an interest in the proceeds or revenue from the oil & gas minerals sold that is limited to specific tracts of land.

Participating Royalty Interest

A royalty interest giving its owner  the right to “participate” in bonuses received and in proceeds of revenue  from oil and/or gas produced.

Pooled Unit

Unit created by combining separate mineral interests  under the pooling clause of a lease or agreement.

Pooling Order

Pooling Orders result from hearing within the States regulatory body  that determine the parameters of the  Forced Pooling.

Ratification

The act of confirming. Ratification of an oil and gas  lease means to confirm it’s existence and terms.

Section

Townships are divided into 36 sections. Each section is a one mile  square containing 640 acres.

Severance

The separation of a mineral or royalty interest from  other interests in that land.

Severance Tax

A state tax levied against both  royalty and working interest owners upon their pro-rata share of oil and gas  production.

Title Abstract

A chronological history of the  ownership or significant events effecting a particular piece of property.

Title Curative

Measures taken to fix any defects in the chain of title (ownership history), which includes correcting instruments and reconciling title with the use and possession of land.

Top Lease

An oil and gas lease which becomes effective only after the expiration (or termination) of an existing lease upon the subject land tract.

Township - Range

The location of a specific Township is determined by the combination of "Township & Range". The Township & Range are reverenced from the State's Principal Meridian and the Base Line. For any given mineral owner, there is know need to know where the Principal Meridian or Baseline is located as any county land map will show the Township & Range.

Working Interest (WI)

A percentage of ownership in an oil and gas lease granting its owner  the right to explore, drill and produce oil and gas from a tract of property.  Working interest owners are obligated to pay a corresponding percentage of  the cost of leasing, drilling, producing and operating a well or unit. After  royalties are paid, the working interest also entitles its owner to share in  production revenues with other working interest owners, based on the  percentage of working interest owned

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Delay Rental

Consideration paid to the lessor by a lessee to extend the terms of an  oil and gas lease in the absence of operations  and/or production that is contractually required to hold the lease. This consideration is usually required to be paid on or before the  anniversary date of the oil and gas lease during its primary term, and  typically extends the lease for an additional year. Nonpayment of the delay  rental in the absence of production or commencement of operations will result  in abandonment of the lease after its primary term has expired.

Lease Bonus

The cash payment or consideration that is paid by the Lessee for the execution of and oil and gas  lease by the mineral owner.

Lease Option

Consideration paid to the lessor by a lessee to extend the terms of an  oil and gas lease in the absence of operations  and/or production that is contractually required to hold the lease. This consideration is usually required to be paid on or before the primary term of the lease expires.

Lessee

The person or entity that is receiving an oil and gas lease.

Lessor

The person or entity that  is granting an oi and gas lease.

Net Revenue Interest (NRI)

NRI is the mineral owner's interest in the revenue of a well.  NRI are calculation by the Royalty Rate in  conjunction with the spacing and allocation of the well. Formula: ((Net  Mineral Acre/Spacing Size)*Allocation %))*Royalty Rate

Primary Term

The initial period provided in an oil and gas lease to  develop the property. Oil & gas leases often have a secondary term referred to as an Extension or Kicker.

Pugh Clause

A clause often added to an oil lease to limit holding non producing lands or depths beyond primary term of a lease. Also known as a Freestone rider.

Royalty

The payment received from the production of oil and/or gas as stimulated by an oil and gas lease.

Royalty Percentage or Royalty Rate

Percentage of gross or net production that is paid to the mineral owner.

Shut In Royalty

Payment to royalty owners under the terms of a lease  which allows the lessee to defer production from a well capable of producing  but shut in for lack of a market.

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L
L
L
L
L
L
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Analogue Wells

Wells that have a similarity on  which a comparison is based represent the range of possible outcomes. Common  attributes used to compare wells are Geology, Reservoir, Well Density, Well  Design, First Production Date, and Completion Methodology.

PDP

Proved Developed Producing Reserves are reserves that are currently producing oil and/or natural gas.  PDP has the highest value as the development and execution risk has been eliminated.

PDNP

Reserves that have been developed and infrastructure is in-place, but it is not yet producing oil meaning that execution risk remains

PUD

Proved Undeveloped Reserves  are the least valuable  proved reserves as there is substantial development and execution risk  remaining before oil is produced.

Present Value

A concept that assumes  that money is worth more today than it will in the future. Specifically, PV is the current value of a future stream of cash flows based on a Discount Rate.

Purchase and Sale Agreement (PSA)

A Purchase and Sale Agreement is a legal document executed after mutual acceptance on an offer, which states the final sale price and all other terms of the purchase.

Type Curve

A production type curve is  a representative production profile of a well for a specific play and/or  area. That is, if you were going to drill a successful well in an area, a  type curve would be the “best representation” of the expected production  forecast.

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L
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Conventional Reservoir

A porous, permeable sedimentary rock containing oil and gas.

Formation

Formation is a geologic term to describe separate layers of rock based on depositional characteristics and/or structural constraints.

Permeability

Ability of rock to transmit fluids or gas through pore spaces.

Porosity

Percentage of the rock volume that can be occupied by oil, gas or water.

Sedimentary Rocks

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form  from deposits that accumulate on the Earth's surface. Sedimentary rocks often  have distinctive layering or bedding. Many of the picturesque views of the desert southwest show mesas and arches made of layered sedimentary rock.

Stratigraphic Traps

Structural traps form as a result of a structural deformation that creates an impervious boundary that inhibits hydrocarbons from migrating out of a contained reservoir.

Thermal Maturity

The extent of temperature–time driven reactions, which are responsible for the conversion of sedimentary organic matter to oil and gas

Total Organic Content (TOC)

The concentration of organic material in source rocks as represented by the weight percent of organic carbon.

Unconventional Reservoir

A low porosity and low permeability sedimentary rock containing oil and gas.

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L
L
L
L
L
L
L
L
L

Authority for Expenditure (AFE)

A budgetary document, usually prepared by the operator, to list estimated expenses of drilling a well to a specified depth, casing  point or geological objective, and then either completing or abandoning the well.

Completion

Term used to describe the events and equipment necessary to bring a wellbore into production once drilling operations have been  concluded, including but not limited to the assembly of downhole tubulars and equipment required to enable safe and efficient production from an oil or gas well. Completion quality can significantly affect production from unconventional reservoirs.

Flush Production

Refers to the first period of production after a well is completed and put on line. Usually the period of Flush Production provides disproportionately high rates of production compared to the production rates as a well ages.

Gathering Line

A pipeline that gather produced oil and gas within an oil and gas field to bring the oil and gas to a common point to make it more efficient to transfer the oil and gas to market.

Hydrocarbon

An organic chemical compound of Hydrogen and Carbon.  All natural oil and oil derivatives are hydrocarbons.

Infill Drilling

Well drilled between established producing wells on a lease to increase ultimate recovery of oil and gas.

Initial Production (IP)

The rate of the initial flow  of oil and/or gas from a well. Operators generally report IP as an average of production for 30 to 60 days.

Injection Well

A well that is used to inject fluids (usually Produced water) into a subsurface formation.

MCF

1,000 cubic feet of natural  gas measured at a standard pressure and temperature. MCF is the global metric of Natural Gas.

Natural Gas Liquids(NGL)

Refers to the state of the hydrocarbon that is a heavier liquid. Common NGLs are Ethane, Propane, Butane, Isobutane, and Pentane.

Operator

Person or entity responsible for maintaining well operations with the rules established by State Regulatory bodies.

Percentage Depletion

One of the two calculation  methodologies allowed by the IRS for calculating the depletion allowance on oil and gas mineral and royalty production. Generally, this allowance is calculated by multiplying 15% times the gross value of the annual production, but is limited to certain levels of production.

Perforations

Holes that are shot through the production casing and cement into the productive oil and/or gas formation.

Plug & Abandon (P&A)

Plugging and abandoning a well. After a well’s productive life, it is usually plugged and abandoned with cement and heavy mud. The wellhead is removed, and the casing cut off 3-6 feet underground, and a steel plate welded over the top.

Percentage Depletion

One of the two calculation  methodologies allowed by the IRS for calculating the depletion allowance on oil and gas mineral and royalty production. Generally, this allowance is calculated by multiplying 15% times the gross value of the annual production, but is limited to certain levels of production.

Possible Reserves

Possible reserves are highest risk of unproved reserves where the probability of successful extraction is at least 10%.

Probable Reserves

Probable reserves are less certain than Proved reserves and can be estimated with a degree of certainty sufficient to indicate that they are more likely to be recovered than not. Used to refer to reserves that have a 50% or greater chance of being produced.

Proven Reserves

Oil or gas which has not yet been produced but has been located and is economically recoverable. Used to refer to reserves that have a 90% or better probability of being produced in the current environment.

Recompletion

The completion for production of an existing well bore in another formation from that in which the well was previously completed.

Stripper Well

A mature well which is at or toward the end of its economic life.

Swabbing

The process of mechanically pulling (or lifting) liquids from a well bore.

Undeveloped Acreage

Lease acreage on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas.

Wellbore

The drilled hole or borehole, including the open hole or uncased portion of the well. Borehole may refer to the inside diameter of the wellbore wall, the rock face that bounds the drilled hole.

LAND
LEASE
EVALUATION
GEOLOGY
ENGINEERING

LAND

Assignment

The sale, transfer or conveyance of all or a fraction of ownership interest or rights owned in real estate or other such property. The term is commonly used in the oil and gas business to convey working interest, leases, royalty, overriding royalty interest and net profits interest.

Division Order

An agreement between the operator and net revenue interest (NRI) owner in which the parties specify the fractional type of interest attributed to the NRI owner by the operator after an examination of title.

Drilling Unit

The combining of multiple wells to produce from a specified reservoir.

Fee Simple Interest

Ownership of the entire and absolute right or interest to use or exploit a tract of land from the center of the earth to the stars, including the air, surface and minerals.

Field Rules

State rules for spacing and  production within a common reservoir covering specific geographic extents.

Force Pooling

Force Pooling is the act of being forced by state law into participation in an oil and/or gas producing unit. Pooling is a technique used by oil and gas operating companies to organize drilling unit.

Grantee

The person or entity that is granting or conveying lands, minerals, etc.

Held By Production (HBP)

A term used to define the provision in a lease that extends the right to operate a lease as long as a well produces a minimum quantity of oil and/or gas.

Increase Density

Spacing orders limit development to one well per unit.  Operators can request a hearing with State regulatory bodies to increase the number of well in a spacing order based on drainage of the reservoir.

Mineral Owner

The owner of the rights and interest of a mineral estate where the minerals have been severed from the surface.

Mineral Title

The legal ownership of  minerals within a specific tract of land.

Mineral Rights

Ownership of the right to exploit, mine or produce all minerals lying beneath the surface of a property. In this case, minerals include all hydrocarbons. Mineral interests include: 1. the right to use as much of the surface as is reasonably necessary to access the minerals, 2. the right to execute any conveyances of mineral rights, 3. the right to receive bonus consideration, 4. the right to receive delay rentals and 5. the right to receive royalty. Any or all of the above five rights of mineral ownership may be conveyed by the mineral owner.

Non-Participating  Royalty Interest

A interest in an mineral estate that provides rights to participate in  the production of oil and gas.  A  non-participating Royalty Interest has no executive rights or the ability to  negotiate or act as an agent of the mineral estate.

Overriding Royalty Interest (ORRI)

ORRI is a fractional, undivided interest with the right to participate or receive proceeds from the sale of oil and/or gas. It is not an interest in the minerals, rather an interest in the proceeds or revenue from the oil & gas minerals sold that is limited to specific tracts of land.

Participating Royalty Interest

A royalty interest giving its owner  the right to “participate” in bonuses received and in proceeds of revenue  from oil and/or gas produced.

Pooled Unit

Unit created by combining separate mineral interests  under the pooling clause of a lease or agreement.

Pooling Order

Pooling Orders result from hearing within the States regulatory body  that determine the parameters of the  Forced Pooling.

Ratification

The act of confirming. Ratification of an oil and gas  lease means to confirm it’s existence and terms.

Section

Townships are divided into 36 sections. Each section is a one mile  square containing 640 acres.

Severance

The separation of a mineral or royalty interest from  other interests in that land.

Severance Tax

A state tax levied against both  royalty and working interest owners upon their pro-rata share of oil and gas  production.

Title Abstract

A chronological history of the  ownership or significant events effecting a particular piece of property.

Title Curative

Measures taken to fix any defects in the chain of title (ownership history), which includes correcting instruments and reconciling title with the use and possession of land.

Top Lease

An oil and gas lease which becomes effective only after the expiration (or termination) of an existing lease upon the subject land tract.

Township - Range

The location of a specific Township is determined by the combination of "Township & Range". The Township & Range are reverenced from the State's Principal Meridian and the Base Line. For any given mineral owner, there is know need to know where the Principal Meridian or Baseline is located as any county land map will show the Township & Range.

Working Interest (WI)

A percentage of ownership in an oil and gas lease granting its owner  the right to explore, drill and produce oil and gas from a tract of property.  Working interest owners are obligated to pay a corresponding percentage of  the cost of leasing, drilling, producing and operating a well or unit. After  royalties are paid, the working interest also entitles its owner to share in  production revenues with other working interest owners, based on the  percentage of working interest owned

LEASE

Delay Rental

Consideration paid to the lessor by a lessee to extend the terms of an  oil and gas lease in the absence of operations  and/or production that is contractually required to hold the lease. This consideration is usually required to be paid on or before the  anniversary date of the oil and gas lease during its primary term, and  typically extends the lease for an additional year. Nonpayment of the delay  rental in the absence of production or commencement of operations will result  in abandonment of the lease after its primary term has expired.

Lease Bonus

The cash payment or consideration that is paid by the Lessee for the execution of and oil and gas  lease by the mineral owner.

Lease Option

Consideration paid to the lessor by a lessee to extend the terms of an  oil and gas lease in the absence of operations  and/or production that is contractually required to hold the lease. This consideration is usually required to be paid on or before the primary term of the lease expires.

Lessee

The person or entity that is receiving an oil and gas lease.

Lessor

The person or entity that  is granting an oi and gas lease.

Net Revenue Interest (NRI)

NRI is the mineral owner's interest in the revenue of a well.  NRI are calculation by the Royalty Rate in  conjunction with the spacing and allocation of the well. Formula: ((Net  Mineral Acre/Spacing Size)*Allocation %))*Royalty Rate

Primary Term

The initial period provided in an oil and gas lease to  develop the property. Oil & gas leases often have a secondary term referred to as an Extension or Kicker.

Pugh Clause

A clause often added to an oil lease to limit holding non producing lands or depths beyond primary term of a lease. Also known as a Freestone rider.

Royalty

The payment received from the production of oil and/or gas as stimulated by an oil and gas lease.

Royalty Percentage or Royalty Rate

Percentage of gross or net production that is paid to the mineral owner.

Shut In Royalty

Payment to royalty owners under the terms of a lease  which allows the lessee to defer production from a well capable of producing  but shut in for lack of a market.

EVALUATION

Analogue Wells

Wells that have a similarity on  which a comparison is based represent the range of possible outcomes. Common  attributes used to compare wells are Geology, Reservoir, Well Density, Well  Design, First Production Date, and Completion Methodology.

PDP

Proved Developed Producing Reserves are reserves that are currently producing oil and/or natural gas.  PDP has the highest value as the development and execution risk has been eliminated.

PDNP

Reserves that have been developed and infrastructure is in-place, but it is not yet producing oil meaning that execution risk remains

PUD

Proved Undeveloped Reserves  are the least valuable  proved reserves as there is substantial development and execution risk  remaining before oil is produced.

Present Value

A concept that assumes  that money is worth more today than it will in the future. Specifically, PV is the current value of a future stream of cash flows based on a Discount Rate.

Purchase and Sale Agreement (PSA)

A Purchase and Sale Agreement is a legal document executed after mutual acceptance on an offer, which states the final sale price and all other terms of the purchase.

Type Curve

A production type curve is  a representative production profile of a well for a specific play and/or  area. That is, if you were going to drill a successful well in an area, a  type curve would be the “best representation” of the expected production  forecast.

GEOLOGY

Conventional Reservoir

A porous, permeable sedimentary rock containing oil and gas.

Formation

Formation is a geologic term to describe separate layers of rock based on depositional characteristics and/or structural constraints.

Permeability

Ability of rock to transmit fluids or gas through pore spaces.

Porosity

Percentage of the rock volume that can be occupied by oil, gas or water.

Sedimentary Rocks

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form  from deposits that accumulate on the Earth's surface. Sedimentary rocks often  have distinctive layering or bedding. Many of the picturesque views of the desert southwest show mesas and arches made of layered sedimentary rock.

Stratigraphic Traps

Structural traps form as a result of a structural deformation that creates an impervious boundary that inhibits hydrocarbons from migrating out of a contained reservoir.

Thermal Maturity

The extent of temperature–time driven reactions, which are responsible for the conversion of sedimentary organic matter to oil and gas

Total Organic Content (TOC)

The concentration of organic material in source rocks as represented by the weight percent of organic carbon.

Unconventional Reservoir

A low porosity and low permeability sedimentary rock containing oil and gas.

ENGINEERING

Authority for Expenditure (AFE)

A budgetary document, usually prepared by the operator, to list estimated expenses of drilling a well to a specified depth, casing  point or geological objective, and then either completing or abandoning the well.

Completion

Term used to describe the events and equipment necessary to bring a wellbore into production once drilling operations have been  concluded, including but not limited to the assembly of downhole tubulars and equipment required to enable safe and efficient production from an oil or gas well. Completion quality can significantly affect production from unconventional reservoirs.

Flush Production

Refers to the first period of production after a well is completed and put on line. Usually the period of Flush Production provides disproportionately high rates of production compared to the production rates as a well ages.

Gathering Line

A pipeline that gather produced oil and gas within an oil and gas field to bring the oil and gas to a common point to make it more efficient to transfer the oil and gas to market.

Hydrocarbon

An organic chemical compound of Hydrogen and Carbon.  All natural oil and oil derivatives are hydrocarbons.

Infill Drilling

Well drilled between established producing wells on a lease to increase ultimate recovery of oil and gas.

Initial Production (IP)

The rate of the initial flow  of oil and/or gas from a well. Operators generally report IP as an average of production for 30 to 60 days.

Injection Well

A well that is used to inject fluids (usually Produced water) into a subsurface formation.

MCF

1,000 cubic feet of natural  gas measured at a standard pressure and temperature. MCF is the global metric of Natural Gas.

Natural Gas Liquids(NGL)

Refers to the state of the hydrocarbon that is a heavier liquid. Common NGLs are Ethane, Propane, Butane, Isobutane, and Pentane.

Operator

Person or entity responsible for maintaining well operations with the rules established by State Regulatory bodies.

Percentage Depletion

One of the two calculation  methodologies allowed by the IRS for calculating the depletion allowance on oil and gas mineral and royalty production. Generally, this allowance is calculated by multiplying 15% times the gross value of the annual production, but is limited to certain levels of production.

Perforations

Holes that are shot through the production casing and cement into the productive oil and/or gas formation.

Plug & Abandon (P&A)

Plugging and abandoning a well. After a well’s productive life, it is usually plugged and abandoned with cement and heavy mud. The wellhead is removed, and the casing cut off 3-6 feet underground, and a steel plate welded over the top.

Percentage Depletion

One of the two calculation  methodologies allowed by the IRS for calculating the depletion allowance on oil and gas mineral and royalty production. Generally, this allowance is calculated by multiplying 15% times the gross value of the annual production, but is limited to certain levels of production.

Possible Reserves

Possible reserves are highest risk of unproved reserves where the probability of successful extraction is at least 10%.

Probable Reserves

Probable reserves are less certain than Proved reserves and can be estimated with a degree of certainty sufficient to indicate that they are more likely to be recovered than not. Used to refer to reserves that have a 50% or greater chance of being produced.

Proven Reserves

Oil or gas which has not yet been produced but has been located and is economically recoverable. Used to refer to reserves that have a 90% or better probability of being produced in the current environment.

Recompletion

The completion for production of an existing well bore in another formation from that in which the well was previously completed.

Stripper Well

A mature well which is at or toward the end of its economic life.

Swabbing

The process of mechanically pulling (or lifting) liquids from a well bore.

Undeveloped Acreage

Lease acreage on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas.

Wellbore

The drilled hole or borehole, including the open hole or uncased portion of the well. Borehole may refer to the inside diameter of the wellbore wall, the rock face that bounds the drilled hole.

WHY SELL YOUR MINERALS

We strive to help facilitate your decisions so that you are empowered with the best information and knowledge so that you can capture the highest value of your minerals.














HOW WE EVALUATE MINERALS

TRP Minerals is an advocate for mineral owners and works diligently to help mineral owners create value. As a result, we try to empower mineral owners with the information they need to determine the best opportunity to realize the value of their minerals. Most mineral acquisition companies will provide an offer price with no back up material or methodology have how they came up with the offer. Our goal is to show you exactly how the oil and gas industry evaluates mineral interest.

1

Land Evaluation

Our team of experts will evaluate where your minerals are located.

Your mineral location matters as it relates to some of the variables below:

  • Proximity to pipelines to transport oil and gas
  • Rural vs. Urban
  • State and County Regulations
  • Accessibility
2

Lease Evaluation

We will use the terms of your lease to help create value for your minerals.

Below are important lease provisions that can increase the value of your minerals:

  • Type Curve (Production Profile)
  • Well Performance
  • State and County Regulations
  • Available Drilling Locations
3

Geologic Evaluation

We work very hard to know the geology of your minerals to better understand their value.

The geology under your minerals matter as it relates to some of the variables below:

  • Porosity
  • Permeability
  • Total Organic Content
  • Thermal Maturity
4

Engineering Evaluation

We diligently work to understand the engineering associated with your minerals.

The engineering associated with your minerals matter as it relates to some of the variables below:

  • PDP (Current Production)
  • PUDs (Future Production)
  • Analogous Wells
  • Type Curve
5

Financial Evaluation

Our team of experts will evaluate your minerals to create a fair and transparent offer.

Your mineral valuation matters as it relates to some of the variables below:

  • Type Curve (Production Profile)
  • Well Performance
  • State and County Regulations
  • Available Drilling Locations

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