Atmosphere, Explosive

Atmosphere, Explosive

Definition(s)

Atmosphere, Explosive

A mixture with air, under atmospheric conditions, of flammable substances in the form of gas, vapor, mist, or dust in which, after ignition, combustion spreads throughout the unconsumed mixture.

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
AFCI

AFCI

Definition(s)

AFCI

Arc-fault circuit interrupter.

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

AFCI

A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.

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

Arc-fault circuit interrupter

Arc-fault circuit interrupter

Definition(s)

Arc-fault circuit interrupter

A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.

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
Apparatus, Intrinsically Safe

Apparatus, Intrinsically Safe

Definition(s)

Apparatus, Intrinsically Safe

Apparatus in which all the circuits are intrinsically safe.

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
Aluminum, Copper-free (or low copper content)

Aluminum, Copper-free (or low copper content)

Definition(s)

Aluminum, Copper-free (or low copper content)

Aluminum alloys containing 0.4 % or less copper. 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
Adjustable Speed Drive

Adjustable Speed Drive

Definition(s)

Adjustable Speed Drive

TA device that is used to control the speed of an AC motor by varying the frequency of the voltage supplied to it. These are also known as variable frequency drives, adjustable frequency drives and other, similar, names.

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
ASD

ASD

Definition(s)

ASD

Adjustable Speed Drive. 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  

ASD

A device that is used to control the speed of an AC motor by varying the frequency of the voltage supplied to it. These are also known as variable frequency drives, adjustable frequency drives and other, similar, names. 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
As-purchased Length

As-purchased Length

Definition(s)

As-purchased Length

The length of the rope (at specified minimal load) when it leaves the factory.

Source: API RP 2SM Design, Manufacture, Installation, and Maintenance of Synthetic Fiber Ropes for Offshore Mooring, Second Edition, July 2014. Global Standards

Source: API RP 2SM Design, Manufacture, Installation, and Maintenance of Synthetic Fiber Ropes for Offshore Mooring, Second Edition, July 2014. Global Standards
Auxiliary Piping

Auxiliary Piping

Definition(s)

Auxiliary Piping

Instrument and machinery piping, typically small-bore secondary process piping that can be isolated from primary piping systems but is normally not isolated. Examples include flush lines, seal oil lines, analyzer lines, balance lines, buffer gas lines, drains, and vents.

Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards
Authorized Piping Inspector

Authorized Piping Inspector

Definition(s)

Authorized Piping Inspector

An employee of an owner/user organization or authorized inspection agency (3.1.6) who is qualified and certified by examination under the provisions of Section 4 and Annex A and is able to perform the functions specified in API 570 where contracted or directed to do so. An NDE examiner is not required to be an authorized piping inspector. Whenever the term inspector is used in API 570, it refers to an authorized piping inspector.

Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards
Applicable Code

Applicable Code

Definition(s)

Applicable Code

The code, code section, or other recognized and generally accepted engineering standard or practice to which the piping system was built or which is deemed by the owner/user or the piping engineer to be most appropriate for the situation, including but not limited to the latest edition of ASME B31.3.

Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards
Alloy Material

Alloy Material

Definition(s)

Alloy Material

Any metallic material (including welding filler materials) that contains alloying elements, such as chromium, nickel, or molybdenum, which are intentionally added to enhance mechanical or physical properties and/or corrosion resistance. Alloys may be ferrous or non-ferrous based.
  • NOTE: Carbon steels are not considered alloys, for purposes of this Code.
Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards
Abandoned-in-place

Abandoned-in-place

Definition(s)

Abandoned-in-place

Piping system, circuit or contiguous sections thereof meeting all of the following: has been decommissioned with no intention for future use; has been completely de-inventoried/purged of hydrocarbon/chemicals; and is physically disconnected (e.g. air-gapped) from all energy sources and/or other piping/equipment.

Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards
Annular Friction Management

Annular Friction Management

Definition(s)

Annular Friction Management

Friction Management Method. Source: ABS Guide for Classification and Certification of Managed Pressure Drilling Systems, September 2017. Global Standards  

Annular Friction Management

Systems allowing for continued circulation during drill pipe connections, thereby maintaining constant bottom hole pressure. This technique is also referred to as the CCM method in some publications. Source: ABS Guide for Classification and Certification of Managed Pressure Drilling Systems, September 2017. Global Standards
Axial load-free testing

Axial load-free testing

Definition(s)

Axial load-free testing

Pressure-testing arrangement using a pipe-sealing device or mechanism such that internal pressure produces hoop and radial stresses only in the component wall. Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
AR (acid resistant) glass

AR (acid resistant) glass

Definition(s)

AR (acid resistant) glass

Glass fibre or synthetic veil having a specific chemical resistance against acids, alkalis or other aggressive chemicals.
  • Note: 1 to entry: Such glass can be used as a reinforcement for the resin-rich internal liner of GRP pipe or as a reinforcement in the structural portion of GRP pipe.
Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
Anisotropic

Anisotropic

Definition(s)

Anisotropic

Exhibiting different properties when tested along axes in different directions.

Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards

Adhesive Joint

Adhesive Joint

Definition(s)

Adhesive Joint

Rigid type of joint between two components made using an adhesive.
  • Note: 1 to entry: An adhesive joint generally consists of a slightly conical (tapered) bell end and a machined (cylindrical or tapered) spigot end.
Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
Adhesive Bond

Adhesive Bond

Definition(s)

Adhesive Bond

Rigid type of joint between two components made using an adhesive
  • Note: 1 to entry: An adhesive joint generally consists of a slightly conical (tapered) bell end and a machined (cylindrical or tapered) spigot end.
Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
Active Fire Protection

Active Fire Protection

Definition(s)

Active Fire Protection

Method of extinguishing fire by application of substances such as halon, water, carbon dioxide, foam, etc.

Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
Accelerator

Accelerator

Definition(s)

Accelerator

Substance which, when mixed with a catalyst or a resin, will speed up the chemical reaction between catalyst and resin.
  • Note:1 to entry: The misuse of a cobalt mixture directly with a peroxide (e.g methyl ethyl ketone peroxide (MEKP) -catalyst) might cause an explosion or fire.
Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
Authority Having Jurisdiction

Authority Having Jurisdiction

Definition(s)

Authority Having Jurisdiction

Third-party organization required to be satisfied with the standard of engineering proficiency and safety of a project
  • EXAMPLE: A classification society, verification body or government regulatory body.
Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
ASOG

ASOG

Definition(s)

ASOG

Activity-Specific Operating Guidelines. Source: IMO MSC.1/Circ.1580, GUIDELINES FOR VESSELS AND UNITS WITH DYNAMIC POSITIONING (DP) SYSTEMS, 16 June 2017, International Maritime Organization. Regulatory Guidance
Activity-Specific Operating Guidelines (ASOG)

Activity-Specific Operating Guidelines (ASOG)

Definition(s)

Activity-Specific Operating Guidelines (ASOG)

Guidelines on the operational, environmental and equipment performance limits for the location and specific activity.(For drilling operations, the ASOG may be known as the Well-Specific Operating Guidelines(WSOG)). Source: IMO MSC.1/Circ.1580, GUIDELINES FOR VESSELS AND UNITS WITH DYNAMIC POSITIONING (DP) SYSTEMS, 16 June 2017, International Maritime Organization. Regulatory Guidance  

Activity-Specific Operating Guidelines (ASOG)

Activity-Specific Operating Guidelines (ASOG) means guidelines on the operational, environmental and equipment performance limits for the location and specific activity. (For drilling operations, the ASOG may be known as the Well-Specific Operating Guidelines (WSOG)). Source: IMO MSC.1/Circ.1580, GUIDELINES FOR VESSELS AND UNITS WITH DYNAMIC POSITIONING (DP) SYSTEMS, 16 June 2017, International Maritime Organization. Regulatory Guidance
AD

AD

Definition(s)

AD

Active directory.

Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards

ACL

ACL

Definition(s)

ACL

Access control list. Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards
AAA

AAA

Definition(s)

AAA

Authentication, authorization and accounting. Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards
Asset Owner

Asset Owner

Definition(s)

Asset Owner

In this context, the asset owner is the oilfield operator. Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards
Asset Characterization

Asset Characterization

Definition(s)

Asset Characterization

The systematic identification and ranking of assets that, if destroyed or damaged, could result in adverse consequences to the operator.
  • Note: Asset characterization can include surrounding and supporting infrastructure.
Source: Canadian Standards Association, Z246.1-09, Security management for petroleum and natural gas industry systems, August 2009, Regional Standards
Asset Attractiveness

Asset Attractiveness

Definition(s)

Asset Attractiveness

An assessment of the perception of value of an asset from an adversary’s perspective that influences the likelihood of a security incident, based on factors such as location, ease of access, size, and vulnerability, with consideration being given to the threat environment.

Source: Canadian Standards Association, Z246.1-09, Security management for petroleum and natural gas industry systems, August 2009, Regional Standards