OIL, GAS & MINERAL LEASE The agreement outlining the basic terms of developing lands or minerals such
as royalty to be paid, length of time, description of lands.
OIL & GAS LEASE Same as an Oil, Gas and Mineral Lease.
OPERATING AGREEMENT Same as Joint Operating Agreement.
OPERATING EXPENSES The costs of operating a well.
OPERATING INTEREST A working interest owner who is also the well operator.
OPERATOR The party designated in the Operating Agreement to conduct the operations
of the well.
OVERRIDING ROYALTY Ownership of a portion of the revenues generated from oil and gas
production. Ownership expires when the lease has been abandoned.
PAID-UP LEASE An Oil and Gas Lease where rental payments are paid along with bonus.
PARTICIPATING ROYALTY A royalty interest giving its owner the right to "participate" in bonuses
received in leasing along with the right to "participate" in any oil or gas found.
PRIMARY TERM The initial period in an Oil and Gas Lease to develop the property.
PUGH CLAUSE A clause added to an Oil Lease to limit holding non-producing lands or
depths beyond primary term of lease.
ROYALTY Funds received from the production of oil or gas, free of costs, except taxes.
RUN STUB Stub attached to a check disclosing well name, month of production, price
received and total volumes produced.
SALT WATER DISPOSAL WELL A well into which oilfield salt water is disposed.
SEVERANCE TAX A tax due the state on oil or gas produced or "severed" from the earth.
SEVERED MINERALS Minerals whose title has been severed from the surface title.
SHUT-IN An oil or gas well which is inactive.
SURFACE OWNER Usually a landowner who owns no minerals under his land.
UNLEASED MINERAL INTEREST A mineral interest not subject to an Oil Lease.
WORKING INTEREST Interest in a well which bears the drilling and operating expenses.