Relief Well

Relief Well

Definition(s)

Relief Well

“Relief well” means a well drilled to assist in controlling a blow-out in an existing well (puits de secours). 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. Regulations
Noncommercial Pit

Noncommercial Pit

Definition(s)

Noncommercial Pit

"Noncommercial pit" means an earthen pit which is located either on-site or off-site and is used for the handling, storage, or disposal of deleterious substances or soils contaminated by deleterious substances produced, obtained, or used in connection with the drilling and/or operation of a well or wells, and is operated by the generator of the waste. This does not include a disposal well pit. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Multiple Zone Completion

Multiple Zone Completion

Definition(s)

Multiple Zone Completion

"Multiple zone completion" means the completion of any well so as to permit the production from more than one common source of supply, with such common sources of supply completely segregated. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Multi-Well Systems

Multi-Well Systems

Definition(s)

Multi-Well Systems

"Multi-well system" means two or more wells that have intersecting well-bores or laterals. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Proration Test

Proration Test

Definition(s)

Proration Test

“Proration test” means, in respect of a development well to which a development plan applies, a test conducted to measure the rates at which fluids are produced from the well for allocation purposes (essai au prorata). 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. Regulations
Lease Allowable

Lease Allowable

Definition(s)

Lease Allowable

"Lease allowable" means the total of the allowables of the individual wells on the lease. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Production Project

Production Project

Definition(s)

Production Project

“Production project” means an undertaking for the purpose of developing a production site on, or producing oil or gas from, a pool or field, and includes any work or activity related to the undertaking (projet de production). 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. Regulations
Hydrostatic Head Or Hydrostatic Pressure

Hydrostatic Head Or Hydrostatic Pressure

Definition(s)

Hydrostatic Head Or Hydrostatic Pressure

"Hydrostatic head" or "hydrostatic pressure" means the pressure which exists at any point in the wellbore due to the weight of the column of fluid or gas above that point. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Production Control System

Production Control System

Definition(s)

Production Control System

“Production control system” means the system provided to control the operation of, and monitor the status of, equipment for the production of oil and gas, and includes the installation and workover control system (système de contrôle de la production). 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. Regulations
Hydrologically Sensitive Area

Hydrologically Sensitive Area

Definition(s)

Hydrologically Sensitive Area

"Hydrologically sensitive area" means a principal bedrock aquifer, the recharge or potential recharge area of a principal bedrock aquifer, or an unconsolidated alluvium or terrace deposit, according to the Oklahoma Geological Survey "Maps Showing Principal Groundwater Resources and Recharge Areas in Oklahoma" or other maps approved by the Commission. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Hydrogen Sulfide Gas (H2S)

Hydrogen Sulfide Gas (H2S)

Definition(s)

Hydrogen Sulfide Gas (H2S)

"Hydrogen sulfide gas (H2S)" means a toxic poisonous gas with a chemical composition of H2S which is sometimes found mixed with and produced with fluids from oil and gas wells. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Hydraulic Fracturing Operations

Hydraulic Fracturing Operations

Definition(s)

Hydraulic Fracturing Operations

"Hydraulic fracturing operations" means operations on a well wherein fluid is applied for the express purpose of initiating or propagating fractures in a target geologic formation. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Hardship Well

Hardship Well

Definition(s)

Hardship Well

"Hardship well" means a well authorized by Commission order to produce at a specified rate because reasonable cause exists to expect that production below said rate would damage the well and cause waste. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
GOR (Gas/Oil Ratio)

GOR (Gas/Oil Ratio)

Definition(s)

GOR (Gas/Oil Ratio)

"GOR (Gas/Oil Ratio)" means the ratio of the gas produced in standard cubic feet to one barrel of oil produced during any stated period. Condensate and load oil excepted under 165:10-13-6 shall not be considered as oil for purposes of determining GOR. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Gas Repressuring

Gas Repressuring

Definition(s)

Gas Repressuring

"Gas repressuring" means the injection of gas into a common source of supply to restore or increase the gas energy of a reservoir. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Gas Allowable Or Allowable Gas

Gas Allowable Or Allowable Gas

Definition(s)

Gas Allowable Or Allowable Gas

"Gas allowable" or "allowable gas" means the amount of natural gas authorized to be produced from any well by order of the Commission or as provided by statute. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Permafrost

Permafrost

Definition(s)

Permafrost

“Permafrost” means the thermal condition of the ground when its temperature remains at or below 0oC for more than one year (pergélisol). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations
Flowing Well

Flowing Well

Definition(s)

Flowing Well

"Flowing well" means any well from which oil or gas is produced naturally and without artificial lifting equipment. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Flare Pit

Flare Pit

Definition(s)

Flare Pit

"Flare pit" means a pit which contains flare equipment and which is used for temporary storage of liquid hydrocarbons which are sent to the flare but are not burned due to equipment malfunction. Flare pits may be used in conjunction with tank batteries or wells. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations  

Flare Pit

Pit which contains a flare and which is used for temporary storage of liquid hydrocarbons which are sent to the flare during equipment malfunction but which are not burned. A flare pit is used in conjunction with a gasoline plant, natural gas processing plant, pressure maintenance or repressurizing plant, tank battery, or a well. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. Regulations  
Exchangeable Sodium Percentage (ESP)

Exchangeable Sodium Percentage (ESP)

Definition(s)

Exchangeable Sodium Percentage (ESP)

"Exchangeable Sodium Percentage (ESP)" is the relative amount of the sodium ion present on the soil surface, expressed as a percentage of the total Cation Exchange Capacity (CEC). Since the determination of CEC is time consuming and expensive, a practical and satisfactory correlation between the Sodium Adsorption Ratio (SAR) and ESP was established. The SAR is defined elsewhere in this Section. ESP can be estimated by the following empirical formula: ESP =[100 (-0.0126 + 0.01475 x SAR) ] / [1 + (-0.0126 + 0.01475 x SAR)]. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Enhanced Recovery Well

Enhanced Recovery Well

Definition(s)

Enhanced Recovery Well

"Enhanced recovery well" means a well producing in an enhanced recovery operation in accordance with Commission order. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Enhanced Recovery Operation

Enhanced Recovery Operation

Definition(s)

Enhanced Recovery Operation

"Enhanced recovery operation" means the introduction of fluid or energy into a common source of supply for the purpose of increasing the recovery of oil therefrom according to a plan which has been approved by the Commission after notice and hearing. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Duly Authorized Representative

Duly Authorized Representative

Definition(s)

Duly Authorized Representative

"Duly authorized representative" means, for the purpose of underground injection well applications, that person or position having a responsibility for the underground injection well. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Distressed Well

Distressed Well

Definition(s)

Distressed Well

"Distressed well" means a well authorized by Commission order to produce at an unrestricted rate in the interest of public safety due to technical difficulties which temporarily cannot be controlled. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Discharge

Discharge

Definition(s)

Discharge

“Discharge” means a notice of the discharge of a security notice or postponement and includes a partial discharge; mainlevée. Source:  Canada Petroleum Resources Act, R.S.C. 1985, c. 36 (2nd Supp.), current to April 29, 2013. Legislation Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. Legislation

Discharge

"Discharge" means the release or setting free by any spilling, leaking, pumping, pouring, emitting, emptying, or dumping of substances. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations    
Director Of Conservation

Director Of Conservation

Definition(s)

Director Of Conservation

"Director of Conservation" means the person in official charge of the Conservation Division. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Directional Drilling

Directional Drilling

Definition(s)

Directional Drilling

"Directional drilling" means intentional changing of the direction of the well from the vertical. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Design Wellhead Pressure

Design Wellhead Pressure

Definition(s)

Design Mud Weight

"Design wellhead pressure" means the maximum anticipated wellhead pressure which is expected to be experienced on the inside of the casing string and on wellhead equipment. This pressure is used to design the casing string and to select wellhead equipment with sufficient working pressure rating. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Design Mud Weight

Design Mud Weight

Definition(s)

Design Mud Weight

"Design mud weight" means the planned drilling mud weight to be used. This mud weight is used in the design of the casing strings. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations
Deleterious Substances

Deleterious Substances

Definition(s)

Deleterious Substances

"Deleterious substances" means any chemical, salt water, oil field brine, waste oil, waste emulsified oil, basic sediment, mud, or injurious substance produced or used in the drilling, development, production, transportation, refining, and processing of oil, gas and/or brine mining. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations