Anchor, Deadline

Anchor, Deadline

Definition(s)

Anchor, Deadline

A means of holding the deadline to the derrick or substructure. Source: Petroleum Safety Orders--Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. Regulations

 

Alteration (Pressure Vessel)

Alteration (Pressure Vessel)

Definition(s)

Alteration (Pressure Vessel)

An alteration is any change to the item described on the manufacturer's data report which affects the pressure containing capacity or the pressure vessel. Nonphysical (re-rating) such as an increase in the maximum allowable working pressure (internal or external) or design temperature or the addition at loading not considered in the original design, shall be considered an alteration. A reduction in the (minimum) design metal temperature such that additional mechanical tests are required shall also be considered an alteration. Source: Petroleum Safety Orders--Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. Regulations

 

Air Intake Shut-off Valve

Air Intake Shut-off Valve

Definition(s)

Air Intake Shut-off Valve

A device located between the engine air filter and the intake manifold, designed to shut off the diesel engine's combustion air in the event engine runaway occurs. Source: Petroleum Safety Orders--Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. Regulations

 

Working Day

Working Day

Definition(s)

Working Day

"Working day" means a calendar day other than Saturday, Sunday, or a state holiday. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Well Branch

Well Branch

Definition(s)

Well Branch

"Well branch" means that portion of a well drilled below the structural or conductor casing to access a given objective in a well with more than one bottom-hole location or whose bottom-hole location is being or has been changed by plugging back and redrilling. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Underbalanced Drilling

Underbalanced Drilling

Definition(s)

Underbalanced Drilling

"Underbalanced drilling" means drilling under conditions where the hydrostatic head of the drilling fluid column is intentionally designed to be lower than the pressure of the formation being drilled. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Underbalanced Drilling (UBD)

A drilling activity employing appropriate equipment and controls where the pressure exerted in the wellbore is intentionally less than the pore pressure in any part of the exposed formations with the intention of bringing formation fluids to the surface. Source: IADC UBO / MPD Glossary, December 2011. Global Standar
Suspend

Suspend

Definition(s)

Suspend

"Suspend" means to plug a well in accordance with 20 AAC 25.110 and to reserve the option later to re-enter and
  1. redrill the well; or
  2. complete the well as an oil, gas, or service well.
Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Suspend

Suspend, in relation to a well, means to render the well temporarily inoperative, and suspension has a corresponding meaning verification scheme has the meaning set out in regulation 54. Source: Health and Safety in Employment (Petroleum Exploration and Extraction) Regulations 2013, SR 2013/208, New Zealand, as of May 2013. Regulations
Stratigraphic Test Well

Stratigraphic Test Well

Definition(s)

Stratigraphic Test Well

"Stratigraphic test well" means a hole drilled for the sole purpose of gaining structural or stratigraphic information to aid in exploring for oil and gas. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Stratigraphic Test Well

"Stratigraphic test well" means any well or hole, except a seismograph shot hole, drilled for the purpose of gathering information in connection with the oil and gas industry with no intent to produce oil or gas from such well. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. Regulations    
Stock Tank Barrel

Stock Tank Barrel

Definition(s)

Stock Tank Barrel

"Stock tank barrel" means 42 U.S. gallons, measured at 60ø F and 14.65 psia. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
STB

STB

Definition(s)

STB

"Stb" means stock tank barrel. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Standard Cubic Foot

Standard Cubic Foot

Definition(s)

Standard Cubic Foot

"Standard cubic foot" has the meaning given to "cubic foot" in AS 31.05.170. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Sidetrack Operation

Sidetrack Operation

Definition(s)

Sidetrack Operation

"Sidetrack operation" means a drilling operation conducted for the purpose of straightening the original hole, bypassing junk, or correcting mechanical difficulties in the original hole. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Shut In

Shut In

Definition(s)

Shut In

"Shut in" means to close a well's surface, wellhead, or subsurface valves to halt flow from or into the well, with the completion interval remaining open to the tubing below the closed valves. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Shut In

“Shut-in” means the status of a production well or an injection well that is temporarily closed down, whether by closing a valve or disconnection or other physical means. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. Regulations  
Service Well

Service Well

Definition(s)

Service Well

"Service well" means a well used for injecting water, gas, or other fluids into a reservoir or producing formation in pressure maintenance, enhanced recovery, or storage operations, for disposing of oil field wastes, or for conducting other operations in support of oil or gas production. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Service Well

"Service well" means a well that, as part of a multi-well system, is used for drilling laterals, stimulation, or maintenance, or functions in any capacity other than as a conduit to the surface for the production of oil and gas. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. Regulations  
Reservoir

Reservoir

Definition(s)

Reservoir

"Reservoir" means the same as "pool" in AS 31.05.170. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Reservoir

An economic hydrocarbon-bearing zone. Source: IADC UBO / MPD Glossary, December 2011. Global Standards  

Reservoir

A roofed excavation for the storage of petroleum liquids. Source: Petroleum Safety Orders--Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. Regulations  

Reservoir

"Reservoir" means pool or common source of supply. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. Regulations  

Reservoir

A storage tank for BOP control system fluid. Source: API SPEC 16D, Specification for Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment, Upstream Segment, Second Edition, July 2004. Global Standards  
Public Water System

Public Water System

Definition(s)

Public Water System

"Public water system" has the meaning given in 18 AAC 80.1990, as amended as of October 1, 1999, and as amended from time to time; 18 AAC 80.1990 is adopted by reference. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Public Water System

PUBLIC WATER SYSTEM shall mean those systems listed in Appendix VI to these Rules. These systems provide to the public water for human consumption through pipes or other constructed conveyances, if such systems have at least fifteen (15) service connections or regularly serve an average of at least twenty-five (25) individuals daily at least sixty (60) days out of the year. Such definition includes:
  1. Any collection, treatment, storage, and distribution facilities under control of the operator of such system and used primarily in connection with such system.
  2. Any collection or pretreatment storage facilities not under such control, which are used primarily in connection with such system.
The definition of “Public Water System”  for purposes of Rule 317B does not include any “special irrigation district,”  as defined in Colorado Primary Drinking Water Regulations (5 C.C.R. 1003.1). Source: Oil and Gas Conservation Commission, Practice and Procedure, Code of Colorado Regulations, 2 CCR 404-1, February 2013. Regulations    
PSIG

PSIG

Definition(s)

PSIG

"Psig" means pounds per square inch gauge. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

PSIG

Pounds per square in. gauge. Source: API RP 64, Recommended Practice for Diverter Systems Equipment and Operations, Second Edition, November 2001 (March 1, 2007). Global Standards    
PSI/FT

PSI/FT

Definition(s)

PSI/FT

"Psi/ft" means pounds per square inch per foot, as a measure of pressure change with depth. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
PSIA

PSIA

Definition(s)

PSIA

"Psia" means pounds per square inch absolute. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

PSIA

Pounds per square in. absolute. Source: API RP 64, Recommended Practice for Diverter Systems Equipment and Operations, Second Edition, November 2001 (March 1, 2007). Global Standards
Property

Property

Definition(s)

Property

"Property" means a legally described tract of land, submerged or otherwise, to which a person has the right to drill, extract, remove, clean, process, and dispose of oil, gas, and associated substances. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Pressure

Pressure

Definition(s)

Pressure

Ratio of force to the area over which that force is distributed (i.e. pound force to an area (in2), measured in “psi”, etc.). Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Pressure

"Pressure-test" means to demonstrate the pressure integrity of a system without actuating its components. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Pressure

Amount of force (F) exerted on a unit area (A) of a surface. Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Pilot Gas

Pilot Gas

Definition(s)

Pilot Gas

"Pilot gas" means gas routed to a safety flare system to maintain an ignition source. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Multiple Completion

Multiple Completion

Definition(s)

Multiple Completion

"Multiple completion" means the completion of a well so as to permit production from more than one pool, with the production from each pool completely segregated. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Multiple Completion

Multiple Completion―the completion of any well so as to permit simultaneous production from two or more pools while maintaining segregation of each such pool through the single wellbore to the surface. Segregation and simultaneous production of separate intervals within a recognized pool through a single wellbore to the surface shall not be considered a multiple completion. Source: Natural Resources, Office of Conservation – General Operations, Louisiana Administrative Code, Title 43, Part XIX, March 2013. Regulations  

Multiple Completion

"Multiple completion" means the completion of any well so as to permit the production from more than one common source of supply. Source: Oil and gas Conservation, North Dakota Administrative Code, Chapter 43-02-03, April 2012. Regulations  
Mudline Datum

Mudline Datum

Definition(s)

Mudline Datum

"Mudline datum" means
  1. for a beach location, the plane of mean low water depth extended beneath the well site;
  2. for a location on a shifting natural island, the depth at which a horizontal plane through the toe of the island intersects the wellbore;
  3. for a location on an artificial island, the depth of the mudline as it existed before construction of the island; or
  4. for other offshore locations, the mudline.
Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
MSCF

MSCF

Definition(s)

MSCF

"Mscf" means thousand standard cubic feet. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Mg/L

Mg/L

Definition(s)

Mg/L

"Mg/l" means milligrams per liter. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Mg/L

"Mg/l" means milligrams per liter. Source: Division of Mineral Resources Management - Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. Regulations Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. Regulations  
Meter Factor

Meter Factor

Definition(s)

Meter Factor

"Meter factor" means the number obtained by dividing the gross standard volume of liquid passed through a meter, as measured by a prover during proving, by the corresponding meter-indicated volume at standard conditions. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Meter Factor

Used to adjust meter readings to show the actual volume measured by the meter. Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Meter Curve

Meter Curve

Definition(s)

Meter Curve

"Meter curve" means a graph of the meter factor plotted against the flow rate, or of the pulse-per-unit-volume factor plotted against the flow rate, over the operating range of a meter. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  
Landowner

Landowner

Definition(s)

Landowner

"Landowner" has the meaning given in AS 31.05.170. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations  

Landowner

The person listed on the applicable county appraisal roll as owning the real property on which the relevant wellhead is located. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. Regulations  
Junk

Junk

Definition(s)

Junk

"Junk" means debris lost in a hole; "junk" includes a lost bit, pieces of a bit, milled pieces of pipe, wrenches, or a relatively small object that impedes drilling. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations