Glossary
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Tank Bottoms
Definition(s)
Tank Bottoms
"Tank bottoms" means that accumulation of hydrocarbon material and other substances which settle naturally below crude oil in tanks and receptacles that are used in handling and storing of crude oil, and which accumulation contains basic sediment and water in an amount rendering it unsaleable to an ordinary crude oil purchaser; provided, that with respect to lease production and for lease storage tanks, a tank bottom shall be limited to that volume of the tank in which it is contained that lies below the bottom of the pipeline outlet thereto. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsTank Bottoms
“Tank bottoms” means that accumulation of hydrocarbon material and other substances that settles naturally below oil in tanks and receptacles that are used in oil’s handling and storing, and which accumulation contains in excess of two percent of BS&W; provided, however, that with respect to lease production and for lease storage tanks, a tank bottom shall be limited to that volume of the tank in which it is contained that lies below the bottom of the pipeline outlet to the tank. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsTank Bottoms
"Tank bottoms" means the liquids and/or solids in that portion of a storage facility below the sales line or connection that are unsaleable to the crude oil first purchaser in its present form. Tank bottoms may consist of a combination of several elements including, but not limited to, oil, BS&W, and treating fluids. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. RegulationsTank Bottoms
A mixture of crude oil or lease condensate, water, and other substances that is concentrated at the bottom of producing lease tanks and pipeline storage tanks (commonly referred to as basic sediment and water or BS&W). Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsSpacing Unit
Definition(s)
Spacing Unit
“Spacing unit” means the area allocated to a well for the purpose of drilling for or producing petroleum; unité d’espacement. Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. LegislationSpacing Unit
“Spacing unit” means the area allocated to a well for the purpose of drilling for or producing oil or gas; unité d’espacement. Source: Canada Oil and Gas Operations Act, R.S.C., 1985, c. O-7, Canada, current to April 29, 2013. LegislationSpacing Unit
"Spacing unit" is the area in each pool which is assigned to a well for drilling, producing, and proration purposes in accordance with the commission's rules or orders. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsSpacing Unit
“Spacing unit” means the area allocated to a well under a well spacing order or rule. Under the Oil and Gas Act, NMSA 1978, Section 70-2-12(B)(10), the commission may fix spacing units without first creating proration units. See Rutter & Wilbanks corp. v. oil conservation comm’n, 87 NM 286 (1975). This is the area designated on form C-102. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsPhysical Environmental Conditions
Definition(s)
Physical Environmental Conditions
“Physical environmental conditions” means the meteorological, oceanographic and related physical conditions, including ice conditions, that might affect a work or activity that is subject to an authorization (conditions environnementales). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsPhysical Environmental Conditions
The meteorological, oceanographic and related physical conditions, including ice conditions, that might affect a work or activity. Note: DPR 1(1). Source: Incident Reporting and Investigation Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, November 30, 2012. Regulatory GuidanceShut-In Pressure
Definition(s)
Shut-In Pressure
"Shut-in pressure" means the pressure noted at the wellhead when the well is completely shut in, not to be confused with bottom hole pressure. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsShut-In Pressure
“Shut-in pressure” means the gauge pressure noted at the wellhead when the well is completely shut-in, not to be confused with bottom hole pressure. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsSaltwater Handling Facility
Definition(s)
Saltwater Handling Facility
"Saltwater handling facility" means and includes any container such as a pit, tank, or pool, whether covered or uncovered, used for the handling, storage, disposal of deleterious substances obtained, or used, in connection with the drilling or operation of wells. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsRegional Office
Definition(s)
Regional Office
“Regional office” means, in respect of a work place, the regional office of the Canada Oil and Gas Lands Administration, formed under the Department of Energy, Mines and Resources and the Department of Indian Affairs and Northern Development, for the administrative region of that Administration in which the work place is situated (bureau régional). Source: Canada Oil and Gas Occupational Safety and Health Regulations, SOR/87-612, February 2013. Regulations Source: Oil and Gas Occupational Safety and Health Regulations, SOR/87-612, Canada, current to April 29, 2013. RegulationsRecomplete
Definition(s)
Recomplete
“Recomplete” means the subsequent completion of a well in a different pool from the pool in which it was originally completed. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsRecomplete
"Recomplete" means the subsequent completion of a well in a different pool. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsProration Unit For Gas
Definition(s)
Proration Unit For Gas
"Proration unit for gas" consists of such geographical area as may be prescribed by special pool rules issued by the commission. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsProration Schedule
Definition(s)
Proration Schedule
"Proration schedule" means the periodic order of the commission authorizing the production, purchase, and transportation of oil or of natural gas from the various units of oil or of natural gas proration in allocated pools. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsProration Schedule
“Proration schedule” means the division orders authorizing the production, purchase and transportation of oil, casinghead gas and gas from the various units of oil or of gas in allocated pools. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsProration Month
Definition(s)
Proration Month
"Proration month" means the calendar month which shall begin at seven a.m. on the first day of such month and end at seven a.m. on the first day of the next succeeding month. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsProration Month
“Proration month” means the calendar month that begins at 7:00 a.m. on the first day of the month and ends at 7:00 a.m. on the first day of the next succeeding month. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsProration Day
Definition(s)
Proration Day
"Proration day" consists of twenty-four consecutive hours which shall begin at seven a.m. and end at seven a.m. on the following day. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsProration Day
“Proration day” consists of 24 consecutive hours that begin at 7:00 a.m. and end at 7:00 a.m. on the following day Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsPressure Maintenance
Definition(s)
Pressure Maintenance
"Pressure maintenance" means the injection of gas or other fluid into a reservoir, either to increase or maintain the existing pressure in such reservoir or to retard the natural decline in the reservoir pressure. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsPressure Maintenance
“Pressure maintenance” means the injection of gas or other fluid into a reservoir, either to maintain the reservoir’s existing pressure or to retard the reservoir pressure’s natural decline. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsPressure Maintenance
The injection of fluid into the reservoir for the purpose of maintaining the reservoir pressure at or near the bubble point or other critical pressure wherein fluid injection volumes are not sufficient to refill existing reservoir voidage in the approved project area and displace oil that would not be displaced by primary recovery operations. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsOverage Or Overproduction
Definition(s)
Overage Or Overproduction
"Overage or overproduction" means the amount of oil or the amount of natural gas produced during a proration period in excess of the amount authorized on the proration schedule. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsOffset
Definition(s)
Offset
Horizontal component of control path length. Source: API SPEC 17F, Specification for Subsea Production Control Systems, Second Edition, December 2006 (Reaffirmed April 2011). Global StandardsOffset
Measureable outcomes resulting from actions designed to compensate for significant residual impacts arising from project development and persisting after appropriate prevention and mitigation measures have been taken. Adapted from the definition of "Biodiversity offsets" in Business and 'Biodiversity Offsets Programme ('BBOP) Glossary. 2nd ed. Washington, D.C.: BBOP, 2012. Available from http://www.forest-trends.org Source: IOGP Report No. 510, Operating Management System Framework for controlling risk and delivering high performance in the oil and gas industry, International Association of Oil & Gas Producers, June 2014. Global StandardsOffset
"Offset" means a well drilled on a forty-acre [16.19-hectare] tract cornering or contiguous to a forty-acre [16.19-hectare] tract having an existing oil well, or a well drilled on a one hundred sixty-acre [64.75-hectare] tract cornering or contiguous to a one hundred sixty acre [64.75-hectare] tract having an existing gas well; provided, however, that for wells subject to a fieldwide spacing order, "offset" means any wells located on spacing units cornering or contiguous to the spacing unit or well which is the subject of an inquiry or a hearing. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. RegulationsOfficial 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.