Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Official Gas-Oil Ratio Test
Definition(s)
Official Gas-Oil Ratio Test
"Official gas-oil ratio test" means the periodic gas-oil ratio test made by order of the commission and by such method and means and in such manner as prescribed by the commission. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsOfficial Gas-Oil Ratio Test
“Official gas-oil ratio test” means the periodic gas-oil ratio test the operator performs pursuant to division order by the method and in the manner the division prescribes. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsOccupied Dwelling
Definition(s)
Occupied Dwelling
"Occupied dwelling" or “permanently occupied dwelling” means a residence which is lived in by a person at least six months throughout a calendar year. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsNatural Gas Or Gas
Definition(s)
Natural Gas Or Gas
"Natural gas or gas" means and includes all natural gas and all other fluid hydrocarbons not herein defined as oil. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsNatural Gas Or Gas
These terms shall have the same meaning, as used in the rules, regulations, or forms of the commission. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsLog Or Well Log
Definition(s)
Log Or Well Log
"Log or well log" means a systematic, detailed, and correct record of formations encountered in the drilling of a well, including commercial electric logs, radioactive logs, dip meter logs, and other related logs. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsLimiting Gas-Oil Ratio
Definition(s)
Limiting Gas-Oil Ratio
"Limiting gas-oil ratio" means the gas-oil ratio assigned by the commission to a particular oil pool to limit the volumes of casinghead gas which may be produced from the various oil-producing units within that particular pool. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsLimiting Gas-Oil Ratio
“Limiting gas-oil ratio” means the gas-oil ratio the division assigns to a particular oil pool to limit the volumes of casinghead gas that may be produced from the various oil producing units within that particular pool. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsInjection Or Input Well
Definition(s)
Injection Or Input Well
"Injection or input well" means any well used for the injection of air, gas, water, or other fluids into any underground stratum. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsHigh Gas-Oil Ratio Proration Unit
Definition(s)
High Gas-Oil Ratio Proration Unit
"High gas-oil ratio proration unit" means a proration unit with a producing oil well with a gas-oil ratio in excess of the limiting gas-oil ratio for the pool. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsHigh Gas-Oil Ratio Proration Unit
“High gas-oil ratio proration unit” means a unit with at least one producing oil well with a gas-oil ratio in excess of the limiting gas-oil ratio for the pool in which the unit is located. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsGas Transportation Facility
Definition(s)
Gas Transportation Facility
"Gas transportation facility" means a pipeline in operation serving one or more gas wells for the transportation of natural gas, or some other device or equipment in like operation whereby natural gas produced from gas wells connected therewith can be transported. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsGas Transportation Facility
“Gas transportation facility” means a pipeline in operation serving gas wells for the transportation of gas, or some other device or equipment in like operation where the gas produced from gas wells connected with the pipeline or other device or equipment can be transported or used for consumption. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsGas-Oil Ratio Adjustment
Definition(s)
Gas-Oil Ratio Adjustment
"Gas-oil ratio adjustment" means the reduction in allowable of a high gas-oil ratio proration unit to conform with the production permitted by the limiting gas-oil ratio for the particular pool during a particular proration period. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsGas-Oil Ratio Adjustment
“Gas-oil ratio adjustment” means the reduction in allowable of a high gas oil ratio unit to conform with the production permitted by the limiting gas-oil ratio for the particular pool during a particular proration period. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsGas Lift
Definition(s)
Gas Lift
"Gas lift" means any method of lifting liquid to the surface by injecting gas into the well bore from which production is obtained. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. RegulationsGas Lift
"Gas lift" means any method of lifting liquid to the surface by injecting gas into a well from which oil production is obtained. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsGas Lift
“Gas lift” means a method of lifting liquid to the surface by injecting gas into a well from which oil production is obtained. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsGas Lift
Gas lift by the use of gas not in solution with oil produced. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsException Well Location
Definition(s)
Exception Well Location
"Exception well location" means a location which does not conform to the general spacing requirements established by the rules or orders of the commission but which has been specifically approved by the commission. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsEnhanced Recovery
Definition(s)
Enhanced Recovery
"Enhanced recovery" means the increased recovery from a pool achieved by artificial means or by the application of energy extrinsic to the pool, which artificial means or application includes pressuring, cycling, pressure maintenance, or injection to the pool of a substance or form of energy but does not include the injection in a well of a substance or form of energy for the sole purpose of (a) aiding in the lifting of fluids in the well, or (b) stimulation of the reservoir at or near the well by mechanical, chemical, thermal, or explosive means. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsEnhanced Recovery
“Enhanced recovery” means any injection of natural gas, water, or other fluids approved by the division into an oil or gas reservoir to increase pressure or retard pressure decline in the reservoir for the purpose of increasing the recovery of oil or other hydrocarbons therefrom and shall include secondary or additional recovery operations. This is to include all thermal processes. Source: Division of Mineral Resources Management - Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. RegulationsCondensate
Definition(s)
Condensate
Light hydrocarbon liquid obtained by condensation of hydrocarbon vapors. Consists of varying proportions of butane, propane, pentane, and heavier fractions with little or no ethane or methane. Source: IADC UBO / MPD Glossary, December 2011. Global StandardsCondensate
"Condensate" means a liquid hydrocarbon which:- Was produced as a liquid at the surface,
- Existed as gas in the reservoir, and
- Has an API gravity greater than or equal to fifty degrees, unless otherwise proven.