Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Citizen of a Foreign Nation
Definition(s)
Citizen of a foreign nation
Citizen of a foreign nation means:- In the case of an individual, one who is not a citizen of the United States;
- In the case of a partnership, unincorporated company, or association, one in which more than 50% of the controlling interest is vested in citizens of a nation other than the United States; or
- In the case of a corporation, one which is incorporated under the laws of a nation other than the United States so long as
- the title to a majority of the stock thereof is free from any trust or fiduciary obligation in favor of any citizen of the United States;
- the majority of the voting power in the corporation is not vested in any citizen of the United States;
- through any contract or understanding, the majority of the voting power may not be exercised directly or indirectly on behalf of any citizen of the United States; or
- by no other means, control of the corporation is conferred upon or permitted to be exercised by any citizen of the United States.
Citizen of the United States
Definition(s)
Citizens of the United States
Citizens of the United States means:- In the case of an individual, one who is a native born, derivative, or fully naturalized citizen of the United States;
- In the case of a partnership, unincorporated company, or association, one in which 50% or more of the controlling interest is vested in citizens of the United States; or
- In the case of a corporation, one which is incorporated under the laws of the United States or of any State thereof.
Bureau of Ocean Energy Management, Regulation and Enforcement Inspector
Definition(s)
Bureau of Ocean Energy Management, Regulation and Enforcement inspector or BOEMRE inspector
Bureau of Ocean Energy Management, Regulation and Enforcement inspector or BOEMRE inspector means an individual employed by the Bureau of Ocean Energy Management, Regulation and Enforcement who inspects fixed OCS facilities on behalf of the Coast Guard to determine whether the requirements of this subchapter are met. Source: Outer Continental Shelf Activities, 33 CFR 140-147 (2013). RegulationsAttending Vessel
Definition(s)
Attending vessel
Attending vessel means a vessel which is moored close to and readily accessible from an OCS facility for the purpose of providing power, fuel, or other services to the operation being conducted on the facility. Unless otherwise stated, the term “attending vessel” refers to any vessel which is operated by the owner or operator of an OCS facility located in the safety zone, which is used for the purpose of carrying supplies, equipment or personnel to or from the facility, which is engaged in construction, maintenance, alteration, or repair of the facility, or which is used for further exploration, production, transfer or storage of natural resources from the seabed beneath the safety zone. Source: Outer Continental Shelf Activities, 33 CFR 140-147 (2013). RegulationsArrives on the OCS
Definition(s)
Arrives on the OCS
Arrives on the OCS means when a floating facility enters any OCS block area for the purpose of engaging in operations subject to the jurisdiction of the OCS Lands Act. Arrives on the OCS means when a MODU enters any OCS block area for the purpose of engaging in operations subject to the jurisdiction of the OCS Lands Act. Arrives on the OCS means when a vessel enters any OCS block area to commence operations for which it has submitted a Notice of Arrival under § 146.405(b)(2). Source: Outer Continental Shelf Activities, 33 CFR 140-147 (2013). RegulationsApproved
Definition(s)
Approved
Denotes acceptance by DNV GL of documentation showing design solutions, arrangements and equipment that complies with the Rules. Source: Rules for Classification – Offshore units, DNVGL-OU-0101, Offshore drilling and support units, DNV GL, July 2015. Global StandardApproved
Acceptable to the authority having jurisdiction. [Electrical devices that are listed or approved by a NRTL (e.g. UL, FM or CSA) normally are acceptable].- NOTE: The means for identifying listed equipment may vary for each organization concerned with product evaluation, some of which do not recognize equipment as listed unless it is also labeled. The authority having jurisdiction should utilize the system employed by the listing organization to identify a listed product.
Approved
"Approved" means sanctioned, endorsed, accredited, certified, or accepted by a duly constituted and recognized authority or agency. Source: State of Wyoming Occupational Safety and Health Rules and Regulations for Oil and Gas Well Drilling, Revised January 8, 2013. RegulationsApproved
Approved means approved by the Commandant, unless otherwise indicated. Source: Outer Continental Shelf Activities, 33 CFR 140-147 (2013). RegulationsApproved
Approved:- when used in any of the following provisions:
- Chapter 3;
- section 775;
- means approved in writing by the responsible Commonwealth Minister; or
- in any other case—means approved in writing by the Titles Administrator.
- the expression approved site plan; or
- section 286A; or
- section 650; or
- subsection 695B(3); or
- section 695F; or
- section 774.
Approved
Acceptable to the authority having jurisdiction. API RP 500, Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1 and Division 2, Third Edition, December 2012, Global StandardsApproved
Acceptable to the authority having jurisdiction. (Electrical devices that are listed or approved by UL, FM or CSA normally are acceptable.) NOTE: The means for identifying listed equipment may vary for each organization concerned with product evaluation, some of which do not recognize equipment as listed unless it is also labeled. The authority having jurisdiction should utilize the system employed by the listing organization to identify a listed product. Source: API RP 14F, Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class 1, Division 1 and Division 2 Locations, Fifth Edition, July 2008. Global StandardsApproved
Sanctioned, endorsed, accredited, certified, or accepted by a duly constituted and recognized authority or agency. Source: API RP 54, Recommended Practice for Occupational Safety for Oil and Gas Well Drilling and Servicing Operations, Third Edition, August 1999 (2007). Global Standards Source: API RP 74, Recommended Practice for Occupational Safety for Onshore Oil and Gas Production Operation, First Edition, October 2001 (March 2007). Global StandardsApproved
- where applied to specification, means that the specification is authorized by the Chief Controller;
- where applied to an appliance or fitting, means that the appliance or fitting bears a label of a designated test organization certifying conformity with a specification approved by the Chief Controller or with a laboratory test report accepted by the Chief Controller, or
- where applied to any facility for petroleum means that it conforms to these rules.
Approved
- Where applied to a specification, means that the specification authorized by the Chief Controller including the following Oil Industry Safety Directorates Standards: OISD-105, OISD-116, OISD-117, OISD-118, OISD-141 and OISD-156.
- where applied to an appliance or fitting, means that the appliance or fitting bears a label of a designated testing organization certifying conformity with a specification approved by the Chief Controller or with a laboratory test report accepted by the Chief Controller.
- where applied to any facility for petroleum, means that it conforms to these rules.
Personnel
Definition(s)
Personnel
Personnel means direct employee(s) of the operator and contracted workers who are involved with or affected by specific jobs or tasks. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsPersonnel
Personnel means individuals who are employed by leaseholders, permit holders, operators, owners, contractors, or subcontractors and who are on a unit by reason of their employment. Source: Outer Continental Shelf Activities, 33 CFR 140-147 (2013). RegulationsPersonnel
Personnel as mentioned in the third subsection, means those manning the control and monitoring functions, and personnel staying inside the work area of these systems. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidancePersonnel
individuals, internal or external, of the certification body carrying out activities for the certification body Note 1 to entry: These include committee members and volunteers. [SOURCE: ISO/IEC 17024:2012, 3.12]. Source: ISO/IEC TS 17027:2014, Conformity assessment – Vocabulary related to competence of persons used for certification of persons, Global StandardsDesignated and Qualified Personnel
Definition(s)
Designated and qualified personnel:
Designated and qualified personnel means employees (not contractors) that are knowledgeable of your program, and have actual work experience and training in implementing and auditing a SEMS or a similar program in an offshore oil and gas environment. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsArea, Enclosed
Definition(s)
Area, enclosed (room, building, or space)
A three-dimensional space enclosed by more than two-thirds of the possible projected plane surface area and of sufficient size to allow personnel entry. For a typical building, this would require that more than two-thirds of the walls, ceiling, and/or floor be present (see API 500). Source: API Recommended Practice 14FZ, Recommended Practice for Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1, and Zone 2 Locations, Second Edition, May 2013. Global Standards Source: API RP 14F, Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class 1, Division 1 and Division 2 Locations, Fifth Edition, July 2008. Global StandardsEnclosed areas
Enclosed areas (e.g., buildings, living quarters, or doghouses) are defined as those areas confined on more than four of their six possible sides by walls, floors, or ceilings more restrictive to air flow than grating or fixed open louvers and of sufficient size to allow entry of personnel. A classified area is any area classified Class I, Group D, Division 1 or 2, following the guidelines of API RP 500 (as incorporated by reference in § 250.198), or any area classified Class I, Zone 0, Zone 1, or Zone 2, following the guidelines of API RP 505 (as incorporated by reference in § 205.198). Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsSulphur Production Rate
Definition(s)
Sulphur production rate:
Sulphur production rate means the number of long tons of sulphur produced during a certain period of time, usually per day. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsSulphur Deposit
Definition(s)
Sulphur deposit:
Sulphur deposit means a formation of rock that contains elemental sulphur. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsCap Rock
Definition(s)
Cap rock:
Cap rock means the rock formation, a body of limestone, anhydride, and/or gypsum, overlying a salt dome. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsBrine Well
Definition(s)
Brine well:
Brine well means a well drilled through cap rock into the core at a salt dome for the purpose of producing brine. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsBrine
Definition(s)
Brine:
“Brine” means all saline geological formation water resulting, obtained, or produced in connection with the exploration, drilling, or production of oil or gas. Source: Division of Mineral Resources Management - Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. RegulationsBrine:
Brine means the water containing dissolved salt obtained from a brine well by circulating water into and out of a cavity in the salt core of a salt dome. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsBleedwell
Definition(s)
Bleedwell:
Bleedwell means a well drilled into a producing sulphur deposit that is used to control the mine pressure generated by the injection of mine water. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsBleedwater
Definition(s)
Bleedwater:
Bleedwater means a mixture of mine water or booster water and connate water that is produced by a bleedwell. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsAir Line
Definition(s)
Air line:
Air line means a tubing string that is used to inject air within a sulphur producing well to airlift sulphur out of the well. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsWell Control
Definition(s)
Well-control:
Well-control means methods used to minimize the potential for the well to flow or kick and to maintain control of the well in the event of flow or a kick. Well-control applies to drilling, well-completion, well-workover, abandonment, and well-servicing operations. It includes measures, practices, procedures and equipment, such as fluid flow monitoring, to ensure safe and environmentally protective drilling, completion, abandonment, and workover operations as well as the installation, repair, maintenance, and operation of surface and subsea well-control equipment. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsWell control
Activities implemented to prevent or mitigate an unintentional release of formation fluids and gases from the well to its surroundings. Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global StandardsWell control
“Well control” means the control of the movement of fluids into or from a well (contrôle d’un puits). 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. RegulationsProduction Safety
Definition(s)
Production safety:
Production safety includes measures, practices, procedures, and equipment to ensure safe, accident-free, and pollution-free production operations, as well as installation, repair, testing, maintenance, and operation of surface and subsurface safety equipment. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsProduction Operations
Definition(s)
Production operations:
Production operations include, but are not limited to, separation, dehydration, compression, sweetening, and metering operations. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsProduction operations:
“Production operation” means any operation that is related to the production of oil or gas from a pool or field; travaux de production. Source: Nova Scotia Offshore Certificate of Fitness Regulations, SOR/95-187, Canada, current to May 31, 2012. RegulationsPeriodic
Definition(s)
Periodic:
Periodic means occurring or recurring at regular intervals. Each lessee must specify the intervals for periodic training and periodic assessment of training needs in their training programs. Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsYour
Definition(s)
Your:
You or your — the lessee or the operator or other lessees' representative engaged in operations in the Outer Continental Shelf (OCS). Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsI or You
Definition(s)
I or you:
I or you means the lessee engaged in oil, gas, or sulphur operations in the Outer Continental Shelf (OCS). Source: Oil and Gas and Sulphur Operations in the Outer Continental Shelf, 30 CFR 250 (2013). RegulationsID
Relative density.
Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards