Mineral, Land & Royalty Glossary

The right to negotiate and sign a lease on the minerals. It can be separated from the rest of the mineral interest, so one party may control leasing while another shares in the income.

The most complete form of ownership, where the surface and minerals are held together with no separation or conditions. Once minerals are severed, the surface owner no longer holds a fee simple in the full estate.

The total surface size of a tract or drilling unit, regardless of how many people own it.

Read the full article: What Is a Net Mineral Acre? →

The legal instrument that conveys (transfers) ownership of minerals from one party to another.

Land has two halves: the surface (the ground and what's built on it) and the minerals (oil, gas, and other substances beneath it). They can be owned by the same person or by different people. In most states the mineral estate is "dominant" — the mineral owner has the right to make reasonable use of the surface to develop the minerals.

Read the full article: Who Owns What: Surface vs. Minerals →

Ownership of the minerals beneath a tract, along with the bundle of rights that usually comes with them: the right to lease, to receive bonus and rental payments, and to collect royalty. Can be owned outright or as a fractional (undivided) share.

Read the full article: Mineral Rights vs. Royalty Interest →

The portion of the gross acres you actually own the minerals under. Calculated as gross acres × your undivided mineral interest. Example: a 25% mineral interest in a 320-acre tract = 80 net mineral acres.

Read the full article: What Is a Net Mineral Acre? →

A standardized way to measure royalty ownership, normalized to a 1/8 royalty, so interests written at different royalty rates can be compared on the same footing.

A right to a share of production revenue, free of costs, but with no say in leasing and no claim to bonus or rental payments. The "non-participating" part means it doesn't participate in the leasing decision.

An instrument that conveys a royalty interest only, without transferring the executive right or the other mineral rights. Different from a mineral deed, which conveys the minerals themselves.

When the minerals have been separated from the surface so that two different parties own them, each with its own chain of title. Most mineral owners own a severed mineral interest — they do not own the surface above it.

Read the full article: Who Owns What: Surface vs. Minerals →

Ownership of a fractional share of an entire tract rather than a specific piece of it. Two people who each own an undivided one-half don't own separate halves — they each own half of the whole.

A working interest whose costs are paid ("carried") by another party, often until a defined point such as payout, after which the carried party begins paying its share.

The share of revenue an interest owner actually receives after royalties and other burdens come out. For a working-interest owner, NRI = working interest × (1 − total royalty burden).

Read the full article: Working Interest vs. Net Revenue Interest →

Any interest that shares in revenue but doesn't bear operating decisions or day-to-day costs. Royalty, overriding royalty, and NPRI are all non-operating.

Read the full article: Operated vs. Non-Operated Working Interest →

A royalty carved out of the working interest (not the mineral estate), paid free of costs. Unlike a mineral royalty, an override ends when the lease ends.

An interest that converts or increases after a triggering event — commonly a working interest that "backs in" to a larger share once a well reaches payout.

The mineral owner's share of production revenue, paid free of the costs of drilling and operating the well. Commonly expressed as a fraction such as 1/8, 3/16, or 1/4.

Read the full article: Mineral Rights vs. Royalty Interest →

The operating side of a well: the right to drill and produce, paired with the obligation to pay a proportionate share of the costs. The counterpart to the royalty interest.

Read the full article: What Is a Working Interest? →

A lease provision requiring the operator to keep drilling on a regular schedule after the primary term, or release the undeveloped acreage. A close cousin of the Pugh clause.

A payment that keeps a lease alive during the primary term when no drilling has happened yet. Less common today, since many modern leases are "paid-up" (the bonus covers the full primary term).

A lease that continues past its primary term because a well is producing in paying quantities. The lease stays in force as long as that production continues.

The upfront payment to the owner for signing the lease, usually quoted per net mineral acre.

The lessor is the owner who grants the lease (that's you, if you own the minerals). The lessee is the company that takes the lease and gains the right to explore and produce.

The contract in which a mineral owner (lessor) grants a company (lessee) the right to explore for and produce minerals, in exchange for a bonus, a royalty, and other terms. The foundational document everything else flows from.

Production sufficient to be profitable to a reasonable operator. Production "in paying quantities" is generally what's required to hold a lease in its secondary term.

The initial fixed period of a lease — often three years — during which the company must establish production (or operations) or the lease expires.

A lease clause that releases acreage or depths not included in a producing unit, so a single well can't hold your entire tract or all depth intervals. A common point of negotiation, and worth knowing whether your lease has one.

A signed agreement by which an owner confirms or joins an existing lease, pooled unit, or amendment — often used to cure a gap or bring an interest into a unit.

The "for as long as there is production" portion of the lease that keeps it alive after the primary term, so long as the well keeps producing or operating under the lease's terms.

A payment that keeps a lease alive when a well is capable of producing but is temporarily shut in — for example, waiting on a pipeline connection.

A lease taken on a tract that's already under an existing lease, written to take effect if and when the existing lease expires.

A horizontal well that crosses several tracts and allocates production among them by a stated formula, without forming a traditional pooled unit. Common in Texas.

An itemized cost estimate for drilling or completing a well that working-interest owners approve before the money is spent.

Read the full article: What Is an AFE? →

The block of acreage assigned to a well under state spacing rules. Your share of a well's production is based on how much of the unit your tract makes up.

A state regulatory process that includes an unleased or non-consenting owner in a drilling unit by order, rather than by voluntary agreement. The rules vary significantly by state.

The contract among working-interest owners that sets who operates the well and how costs, decisions, and revenue are shared.

Read the full article: What Is a Joint Operating Agreement? →

Combining multiple tracts and owners into a single drilling unit so one well can be drilled and the production shared among owners according to their interests.

The percentage of a drilling unit attributable to your specific tract. Used in the decimal calculation when a unit pools several tracts or a well is allocated across them. Defaults to 1.0 for a single-tract unit.

Your share of a well's revenue written as a decimal, usually to 6–8 places, shown on your division order. For a leased mineral owner it equals (net mineral acres ÷ unit acres) × royalty rate × tract participation factor.

Read the full article: How Are Oil & Gas Royalties Calculated? →

A document from the operator or purchaser stating your decimal interest and confirming how your proceeds will be paid. You typically sign it to verify your ownership and payment details. Important: a division order confirms payment math — it does not change the terms of your lease.

Read the full article: What Is a Division Order? →

The process by which unclaimed funds, including unpaid royalties, are turned over to the state after a set period. Keeping your contact information and title current helps avoid it.

Costs incurred after the oil or gas leaves the wellhead — gathering, compression, processing, transportation, and marketing. Whether these can be deducted from your royalty depends on your lease language, and it's a common reason a check is smaller than expected.

Read the full article: How to Read Your Royalty Check Stub →

The breakdown that comes with a royalty payment — volumes sold, prices, your decimal, taxes, and any deductions. Reading it is how you confirm a check is right.

Read the full article: How to Read Your Royalty Check Stub →

A state tax on produced oil and gas, usually withheld from your payment and remitted by the operator.

Read the full article: Oil & Gas Royalty Taxes →

Funds an operator holds back rather than paying out — typically when ownership or title isn't confirmed. Money in suspense is owed to you; it's waiting on paperwork.

Read the full article: Why Are My Royalties in Suspense? →

A legal principle that limits how the dominant mineral owner uses the surface when there's a reasonable alternative that interferes less with the surface owner's existing use.

A granted right to use a strip of someone's land for a specific purpose — a road, pipeline, or power line — without owning the land itself.

Compensation paid to a surface owner for the disturbance an operation causes — pads, roads, lost use. Some states require it; elsewhere it's set by agreement.

An agreement governing how an operator uses the surface — roads, well pads, pipelines — and what the surface owner is compensated. Most relevant when the surface and mineral owners are different parties.

A compiled collection of the recorded documents affecting a tract, used to trace ownership from the record.

A sworn statement establishing who inherited a deceased owner's interest, often used to pass mineral title without a full probate.

The successive history of who has owned a property's surface or minerals over time, from the original grant to today.

A document transferring an interest from one party to another. "Conveyance" is generally used for mineral, royalty, or land; "assignment" commonly for leasehold or working interests.

The work of identifying and fixing defects, gaps, or errors in the chain of title so ownership can be confirmed.

Title clean enough that a reasonable buyer would accept it — free of significant defects or doubt.

A chronological summary of the recorded instruments (deeds, leases, assignments, etc.) that affect title to a tract — the working document a landman builds when researching ownership.

A gap, error, or unresolved claim in the record that casts doubt on ownership and usually needs curative work to clear.

An attorney's written opinion on who owns what, based on the record. Often a drilling title opinion (before a well is spudded) or a division order title opinion (before owners are paid).