Acquisition Offer
Acquisition Offer
A proposal to purchase mineral or royalty interests, typically based on projected future cash flow and discounted valuation assumptions.
Ad Valorem Tax
Ad Valorem Tax
A property tax assessed on producing mineral interests based on the appraised value of reserves or production.
AFE (Authorization for Expenditure)
AFE (Authorization for Expenditure)
A formal cost proposal issued to working interest owners outlining projected drilling or operational expenses that require approval before funds are committed.
Affidavit of Heirship
Affidavit of Heirship
A recorded document used to establish ownership transfer upon death when formal probate proceedings have not been completed.
After-Acquired Title Clause
After-Acquired Title Clause
A lease provision stating that any additional mineral interest later acquired by the lessor is automatically subject to the existing lease.
API Number
API Number
A permanent, standardized identification number assigned to each well for regulatory, operational, and reporting purposes.
Assignment
Assignment
The transfer of leasehold rights or working interest from one party to another, subject to lease terms and regulatory requirements.
Assignment Clause
Assignment Clause
Lease language governing whether and how the lessee may transfer rights to another operator or entity.
Basis
Basis
The tax value assigned to a mineral asset, used to calculate gain, loss, or depletion for income tax purposes.
Broker Landman
Broker Landman
An independent land professional engaged by operators or investors to acquire leases, research title, and resolve ownership issues.
BTU Content
BTU Content
A measure of the energy value of natural gas that can directly influence pricing and revenue calculations.
Chain of Title
Chain of Title
The documented sequence of ownership transfers affecting a mineral or royalty interest over time.
Check Detail Statement
Check Detail Statement
The accompanying payment detail that itemizes volumes, pricing, taxes, deductions, and ownership decimals used to calculate revenue.
Check Stub / Revenue Statement
Check Stub / Revenue Statement
A detailed statement provided to royalty owners showing payment information, including volumes produced, price received, taxes, and deductions.
Compression Costs
Compression Costs
Expenses associated with increasing gas pressure to move production through gathering or transmission systems.
Continuous Development Clause
Continuous Development Clause
A lease provision requiring additional wells to be drilled within defined timeframes to maintain control of undeveloped acreage.
Continuous Operations Clause
Continuous Operations Clause
Lease language allowing the agreement to remain in force as long as drilling or related operations continue without material interruption.
Cost Depletion
Cost Depletion
A tax method that allocates the owner’s basis proportionally as reserves are produced.
Cost-Free Royalty
Cost-Free Royalty
Royalty paid without certain specified operational or post-production deductions, subject to lease language.
Curative
Curative
Documentation or corrective action required to resolve title defects before revenue distribution or operational approval.
Curative Requirements
Curative Requirements
Specific title documents or filings requested to confirm ownership prior to releasing funds or approving development.
Deductions
Deductions
Authorized charges subtracted from gross revenue prior to royalty distribution, as defined by lease terms.
Delay Rental
Delay Rental
A payment made to the mineral owner to keep a lease in effect during the primary term when no drilling has occurred.
Depletion Allowance
Depletion Allowance
A tax deduction recognizing the reduction in mineral reserves as production occurs.
Depth Clause
Depth Clause
A lease provision releasing rights below a specified formation if not developed within the agreed timeframe.
Depth Severance
Depth Severance
The separation of mineral rights based on depth allows different owners or lessees to control different underground layers.
Division Order
Division Order
A document sent to owners of mineral or royalty interests that outlines how proceeds from production will be divided among stakeholders.
Drilling Unit
Drilling Unit
A designated acreage allocation assigned to a well for regulatory spacing and revenue allocation purposes.
Due Diligence
Due Diligence
The structured review of title, production, financial, and legal data prior to acquisition or development decisions.
Executive Rights
Executive Rights
The authority to negotiate and execute oil and gas leases on behalf of mineral ownership.
Farmout Agreement
Farmout Agreement
An agreement in which a leaseholder assigns interest to another party in exchange for drilling or development commitments.
Favored Nations Clause
Favored Nations Clause
A lease provision granting terms equal to or better than those provided to other mineral owners in the same area.
Force Majeure
Force Majeure
A lease clause that protects the lessee from defaulting on obligations due to unforeseen circumstances (e.g., natural disasters, war).
Gas Balancing Agreement
Gas Balancing Agreement
An agreement governing allocation when multiple parties share production and take volumes unevenly over time.
Gathering System
Gathering System
Pipeline infrastructure that transports production from the wellhead to processing or market delivery points.
Gross Production
Gross Production
The total measured volume of hydrocarbons produced from a well prior to adjustments or deductions.
Gross Value
Gross Value
Total sales revenue generated from production before taxes, burdens, and deductions.
Held by Production (HBP)
Held by Production (HBP)
A lease term indicating that as long as a well on the property continues to produce in paying quantities, the lease remains active beyond its primary term.
Horizontal Pugh Clause
Horizontal Pugh Clause
A lease provision releasing non-producing acreage outside a producing unit at the end of the primary term.
Horizontal Well
Horizontal Well
A well drilled vertically and then laterally within the target formation to maximize reservoir exposure.
Hydraulic Fracturing
Hydraulic Fracturing
A completion technique that uses pressurized fluids to stimulate reservoir flow and increase production rates.
Implied Covenant to Develop
Implied Covenant to Develop
A legal obligation requiring operators to reasonably develop leased acreage consistent with prudent industry practices.
Implied Covenant to Market
Implied Covenant to Market
An obligation requiring operators to secure market access and sell production within a reasonable timeframe.
In-House Landman
In-House Landman
A company-employed land professional responsible for lease management, title oversight, and asset administration.
Indemnity Clause
Indemnity Clause
Contract language allocating responsibility for certain liabilities or damages between parties.
Interest Type Code
Interest Type Code
An internal accounting designation identifying the classification of ownership, such as royalty or working interest.
Joint Operating Agreement (JOA)
Joint Operating Agreement (JOA)
A governing contract between working interest owners outlining operational authority, cost sharing, and decision rights.
Landman
Landman
A professional specializing in lease negotiation, title research, ownership verification, and asset management.
Lease Bonus
Lease Bonus
An upfront payment made by an oil and gas company to a mineral owner when signing a lease, paid per acre.
Marketable Title
Marketable Title
Ownership that is reasonably free from defects and acceptable to a prudent operator or purchaser.
Marketing Costs
Marketing Costs
Expenses associated with selling production into the marketplace, as defined by contractual terms.
Memorandum of Lease
Memorandum of Lease
A recorded summary document providing public notice that a lease exists without disclosing full terms.
Mineral Appraisal
Mineral Appraisal
A valuation analysis estimating the fair market value of mineral assets based on reserves and projected revenue.
Mineral Deed
Mineral Deed
A legal instrument conveying ownership of mineral rights.
Mineral Rights
Mineral Rights
The legal rights to explore for and produce the minerals beneath the surface of a property, including oil, gas, coal, and other subsurface resources.
Minimum Check Threshold
Minimum Check Threshold
The minimum payment amount required before revenue is disbursed to an owner.
Most Favored Nations Clause
Most Favored Nations Clause
A provision ensuring lease terms are competitive with those granted to similarly situated owners.
Mother Hubbard Clause
Mother Hubbard Clause
Lease language covering small omitted or adjacent tracts not specifically described in the legal description.
Natural Gas Liquids (NGLs)
Natural Gas Liquids (NGLs)
Hydrocarbon components separated from natural gas streams that generate independent revenue value.
Net Mineral Acres (NMA)
Net Mineral Acres (NMA)
The portion of mineral acres owned by an individual, accounting for fractional ownership. For example, owning 25% of 100 acres = 25 NMA.
Net Revenue Interest (NRI)
Net Revenue Interest (NRI)
The percentage of production revenue a royalty owner receives after deducting royalties and other burdens from the working interest.
No-Deduct Clause
No-Deduct Clause
Lease language limiting or prohibiting certain post-production costs from being charged against royalty.
Non-Participating Royalty Interest (NPRI)
Non-Participating Royalty Interest (NPRI)
A royalty interest that excludes leasing authority, bonus payments, and delay rentals.
Option to Extend
Option to Extend
A contractual right allowing the lessee to extend the primary term under defined conditions.
Overriding Royalty Interest (ORRI)
Overriding Royalty Interest (ORRI)
A royalty interest carved out of the working interest that does not affect the mineral owner’s royalty. Typically temporary and associated with a specific lease.
Owner Decimal
Owner Decimal
The precise ownership percentage used to calculate an owner’s share of revenue in a specific well or unit.
Paying Quantities
Paying Quantities
Production levels sufficient to cover operating costs and provide a reasonable return to the operator.
Percentage Depletion
Percentage Depletion
A statutory tax deduction calculated as a percentage of gross production revenue, subject to limitations.
Pooling
Pooling
Combining multiple tracts of land to create a drilling unit allows for more efficient development and shared production among all unit owners.
Pooling Authority
Pooling Authority
Lease language granting the operator the right to combine acreage into a drilling unit.
Post-Production Costs
Post-Production Costs
Expenses incurred after hydrocarbons leave the wellhead, potentially affecting royalty calculations depending on lease terms.
Primary Term
Primary Term
The initial fixed period of an oil and gas lease during which the lessee must commence drilling or the lease expires.
Prior Period Adjustment
Prior Period Adjustment
A correction applied to previously reported revenue due to revised volumes, pricing, or ownership.
Probate
Probate
The court-supervised legal process that validates a will and transfers ownership upon death.
Processing Fees
Processing Fees
Charges associated with separating natural gas into marketable components.
Processing Plant
Processing Plant
A facility where raw gas is treated and separated into saleable products.
Production Month vs. Sales Month
Production Month vs. Sales Month
The distinction between when hydrocarbons are produced and when they are sold and recognized for revenue purposes.
Property Code / Well ID
Property Code / Well ID
An internal or regulatory identifier used to track wells, leases, or producing properties.
Proportionate Reduction Clause
Proportionate Reduction Clause
Lease language allowing royalty to be reduced if the lessor owns less than the full mineral estate.
Pugh Clause
Pugh Clause
A lease clause that limits the holding of non-producing acreage under lease once the primary term expires unless the acreage is producing.
Quiet Title Action
Quiet Title Action
A legal proceeding initiated to resolve disputes and confirm clear ownership of mineral interests.
Revenue Suspense
Revenue Suspense
Accounting classification where funds are held pending resolution of ownership or documentation issues.
Right of First Refusal (ROFR)
Right of First Refusal (ROFR)
A contractual right allowing a party to match a third-party purchase offer before transfer.
Royalty Clause
Royalty Clause
The lease provision defining the percentage of production revenue reserved by the mineral owner.
Royalty Deed
Royalty Deed
A legal instrument conveying a royalty interest without transferring full mineral ownership.
Royalty Interest
Royalty Interest
A non-operating interest that entitles the owner to a percentage of production or revenue from oil and gas without bearing any costs of drilling or operating the well.
Run Sheet
Run Sheet
A landman-prepared summary of recorded documents affecting ownership within a defined tract.
Sales Volume
Sales Volume
The quantity of production sold during a specific revenue period.
Secondary Term
Secondary Term
The extended lease term beyond the primary term, usually lasting as long as production continues.
Severance Tax
Severance Tax
A state-imposed tax on extracted natural resources.
Severance Tax Withholding
Severance Tax Withholding
The deduction of severance tax from revenue prior to payment distribution.
Shrinkage
Shrinkage
The reduction in gas volume resulting from processing and removal of liquids.
Shut-in Royalty
Shut-in Royalty
A payment made to royalty owners when a well is capable of producing but is temporarily not operating, usually due to a lack of infrastructure or market.
Spacing Requirements
Spacing Requirements
Regulatory standards governing minimum distances between wells.
Step-Up in Basis
Step-Up in Basis
The adjustment of tax basis to fair market value at the time of inheritance.
Surface Damage Provision
Surface Damage Provision
Lease language addressing compensation for surface disturbance or operational impact.
Surface Rights
Surface Rights
Ownership rights to the land surface, which may be separate from mineral ownership.
Surface Use Agreement (SUA)
Surface Use Agreement (SUA)
A negotiated agreement defining how surface operations will occur and how impacts are compensated.
Suspended Funds
Suspended Funds
Revenue withheld until ownership, tax, or documentation issues are resolved.
Take-or-Pay Contract
Take-or-Pay Contract
A gas sales agreement requiring payment for contracted volumes whether taken or not.
Title Abstract
Title Abstract
A compiled record of documents affecting ownership and encumbrances for a property.
Title Opinion
Title Opinion
A legal document prepared by an attorney that verifies the ownership of mineral rights and identifies any encumbrances or title defects.
Top Lease
Top Lease
A lease executed during the term of an existing lease that becomes effective if the prior lease expires.
Transportation Costs
Transportation Costs
Charges associated with moving production from the wellhead to market delivery points.
Unitization
Unitization
Similar to pooling, it is typically on a larger scale, often encompassing an entire reservoir, and is used to maximize recovery through coordinated operations.
Vertical Pugh Clause
Vertical Pugh Clause
A lease provision releasing non-producing depths at the end of the primary term.
Warranty of Title
Warranty of Title
A contractual representation by the lessor guaranteeing ownership rights conveyed in the lease.
Working Interest
Working Interest
The ownership interest that bears the cost of exploration, drilling, and production. Working interest owners receive a share of the production revenues after royalties are paid.