Reducer

Reducer

Definition(s)


Reducer

Component that allows pipes of different sizes to be connected. 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
Reducing Accreditation

Reducing Accreditation

Definition(s)


Reducing Accreditation

Process of cancelling accreditation for part of the scope of accreditation. Source: ISO/IEC 17011:2004, Conformity assessment – General requirements for accreditation bodies accrediting conformity assessment bodies. Global Standards  
Redundancy

Redundancy

Definition(s)


Redundancy

The ability of a component or system to maintain or restore its function when a single failure has occurred. Redundancy can be achieved, for instance, by the installation of multiple components, systems or alternative means of performing a function.

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

Redundancy

Redundancy means the ability of a component or system to maintain or restore its function when a single failure has occurred. Redundancy can be achieved, for instance, by the installation of multiple components, systems or alternative means of performing a function.

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

Redundancy

Ability of a component or system to maintain its function when one failure has occurred. Redundancy can be achieved, for instance, by installation of multiple components, systems or alternative means of performing a function. Source: Offshore Gangways, DNVGL-ST-0358, DNV GL, September 2017. Global Standards  

Redundancy

Additional or alternative systems, sub-systems, assets, or processes that maintain a degree of overall functionality in case of loss or failure of another system, sub-system, asset, or process. From: DHS Risk Lexicon. Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards  

Redundancy

The availability of alternate load paths in a platform following the failure of one or more structural components. Source: API RP 2SIM, Structural Integrity Management of Fixed Offshore Structures, First Edition, November 2014. Global Standards  

Redundancy

Existence of more than one means for performing a required function
  • Note: 1 to entry: The aim of redundancy is to provide backup in case of one or several failures of the means
performing a required function.
  • Note: 2 to entry: Redundancy definitions for passive (cold) standby, active (hot) standby and mixed are given in
ISO 14224[15], C.1.2.
  • Note: 3 to entry: Redundancy is sometimes (in IEC 61508[2] and IEC 61511[3]) called “fault tolerance”.
[SOURCE: ISO 14224] Source: ISO/TR 12489:2013(E) Reliability modelling and calculation of safety systems. Global Standards  

Redundancy

The ability of a component or system to maintain or restore its function when a failure of a member or connection has occurred. Redundancy may be achieved for instance by strengthening or introducing alternative load paths. Source: Offshore Standard DNV-OS-C101, Design of Offshore Steel Structures, General (LRFD Method, Det Norske Veritas, April 2011. Global Standards

Redundancy

Additional or alternative systems, sub-systems, assets, or processes that maintain a degree of overall functionality in case of loss or failure of another system, sub-system, asset, or process Sample Usage: A lack of redundancy in access control mechanisms is a vulnerability that can result in a higher likelihood of a successful attack. Source: DHS Risk Lexicon, U.S. Department of Homeland Security, 2010 Edition. September 2010 Regulatory Guidance  

Redundancy

Existence of more than one means for performing a required function. Source: ISO 20815:2008, Petroleum, petrochemical and natural gas industries – Production assurance and reliability management. Global Standards  

Redundancy

Existence of more than one means for performing a required function of an item. NOTE For more detailed definitions and interpretations, see C.1.2. Source: API STD 689, Collection and Exchange of Reliability and Maintenance Data for Equipment, First Edition, July 2007. Global Standards  

Redundancy

Ability of a structure to find alternative load paths following failure of one or more non-critical components, thus limiting the consequences of such failures.
  • NOTE: All structures having redundancy are statically indeterminate. [ISO 19902:2007, definition 3.39].
Source: ISO 19905-1:202, Petroleum and natural gas industries – Site-specific assessment of mobile offshore units – Part 1: Jack-ups. Global Standards
Redundancy Design Intent

Redundancy Design Intent

Definition(s)


Redundancy Design Intent

High level description of systems and components distribution into redundant groups (e.g. narrative description of both the normal operation mode and the failed operation mode). Source: Offshore Gangways, DNVGL-ST-0358, DNV GL, September 2017. Global Standards
Redundant Platform

Redundant Platform

Definition(s)


Redundant Platform

A platform for which its global capacity is maintained when one or more of its primary structural elements reaches its maximum capacity. Source: API RP 2SIM, Structural Integrity Management of Fixed Offshore Structures, First Edition, November 2014. Global Standards
Reel

Reel

Definition(s)


Reel

Large-diameter structure used for storage of long lengths of flexible pipe, which rotates about a horizontal axis. Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards  

Reel

Device for storing, transporting, or installing umbilicals or components comprised of two flanges, separated by a barrel, with the barrel axis normally being horizontal. NOTE Reels are designed for the intended use. Source: API SPEC 17E, Specification for Subsea Umbilicals, Upstream Segment, Fourth Edition, October 2010. Global Standards
Reel (Hose or Cable)

Reel (Hose or Cable)

Definition(s)


Reel (Hose or Cable)

A reel, usually power driven, that stores, pays-out and takes-up umbilicals, either control hose bundles or electrical cables. 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  
Reeving

Reeving

Definition(s)


Reeving

A rope system where the rope travels around drums and sheaves. Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Seventh Edition, December 2014. Global Standards Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Sixth Edition, May 2007. Global Standards
REF

REF

Definition(s)


REF

Riser end fitting. Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards
Reference Break Strength

Reference Break Strength

Definition(s)


Reference Break Strength

The reference break strength for sample under test.
  • NOTE: 1 For a full rope assembly, RBS is the catalog break strength of the rope.
  • NOTE: 2 For a subrope, RBS is the break strength of the subrope estimated by the manufacturer
  • NOTE: 3 For a scaled rope, RBS is the break strength of the scaled rope assembly estimated by the manufacturer.
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, First Edition, July 2014Global Standards
Reference Dimension

Reference Dimension

Definition(s)


Reference Dimension

Dimension that is a result of two or more other dimensions. Source: API SPEC 7-1, Specification for Rotary Drill Stem Elements, First Edition, March 2006 (Addendum April 2011). Global Standards  
Reference Electrode

Reference Electrode

Definition(s)


Reference electrode

Electrode with stable open-circuit potential used as reference for potential measurements. Source: Offshore Standard DNV-OS-C101, Design of Offshore Steel Structures, General (LRFD Method, Det Norske Veritas, April 2011. Global Standards  
Reference Indicator

Reference Indicator

Definition(s)


Reference Indicator

Real or artificial discontinuity in a reference standard, which provides reproducible sensitivity levels for inspection equipment. EXAMPLES Artificial reference indicators can be holes, notches, grooves or slots. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Reference Level

Reference Level

Definition(s)


Reference Level

Zero elevation/head on a total energy diagram. For line or vessel applications, the reference level is usually sea level. Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Reference Period

Reference Period

Definition(s)


Reference Period

period of time used as the basis for determining values of basic variables. Source: ISO 19900:2013, Petroleum and natural gas industries – General requirements for offshore structures. Global Standards
Reference Standard

Reference Standard

Definition(s)


Reference Standard

Pipe, or pipe section, containing one or more reference indicators, used as a basis for comparison or for inspection equipment standardization. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Reference Temperature

Reference Temperature

Definition(s)


Reference Temperature

Reference temperature is the temperature at which the vapour pressure of the cargo corresponds to the set pressure of the pressure-relief valve. Source: Resolution MEPC.119(52), 2004 amendments to the International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code), 15 October 2004. Regulatory guidance, International Maritime Organization  
Refrigerated Tank

Refrigerated Tank

Definition(s)


Refrigerated Tank

Container that stores liquid at a temperature below atmospheric temperature with or without the aid of refrigeration, either by evaporation of the tank contents or by a circulating refrigeration system. Source: API STD 2000, Venting Atmospheric and Low-pressure Storage Tanks, Sixth Edition, November 2009. Global Standards  
REG

REG

Definition(s)


REG

API regular style of thread design. Source: API SPEC 7-1, Specification for Rotary Drill Stem Elements, First Edition, March 2006 (Addendum April 2011). Global Standards  
Register

Register

Definition(s)


Register

list issued by a certification body, an authority or another registration organization, for certificate holders or persons meeting predetermined criteria Note 1 to entry: A register can be publicly available or for in-house purposes. Source: ISO/IEC TS 17027:2014, Conformity assessment – Vocabulary related to competence of persons used for certification of persons, Global Standards

Register

Register:
  1. when used in Chapter 4—has the meaning given by section 467; or
  2. when used in Chapter 5—has the meaning given by section 519.
Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. Legislation  

Register

Register means a Register kept under section 469. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. Legislation  

Register

In this Chapter, Register means the Register kept under section 521. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. Legislation
Registration

Registration

Definition(s)


Registration

inclusion of a certificate holder  or an individual meeting predetermined criteria with personal data (e.g. name, address) in a register  by a certification body, an authority or another registration organization. Source: ISO/IEC TS 17027:2014, Conformity assessment – Vocabulary related to competence of persons used for certification of persons, Global Standards
Regular Emulsion

Regular Emulsion

Definition(s)


Regular emulsion

Emulsions can be water-in-oil, which are referred to as regular emulsions, as well as oil in-water, which are called reverse emulsions. Source: API RP 17A, Design and Operation of Subsea Production Systems—General Requirements and Recommendations, Fourth Edition, Reaffirmed 2011. Global Standards  
Regular Wave

Regular Wave

Definition(s)


Regular Wave

“Regular wave” refers to a deterministic, harmonic wave with a given period and amplitude. Source: API SPEC 17E, Specification for Subsea Umbilicals, Upstream Segment, Fourth Edition, October 2010. Global Standards            
Regularly Assigned Personnel

Regularly Assigned Personnel

Definition(s)


Regularly Assigned Personnel

personnel whose usual place of employment is onshore but who, in the course of their duties, may be required to work offshore. Source: Atlantic Canada Offshore Petroleum Industry, Standard Practice for the Training and Qualifications of Personnel, 2013, Canadian Association of Petroleum Producers, Global Standards
Regulations

Regulations

Definition(s)


Regulations

Any prescribed local, state, or Federal rule or ordinance pertaining to the subject at hand. Source: API RP 67, Recommended Practice for Oilfield Explosives Safety, Upstream Segment, Second Edition, May 2007. Global Standards  

Regulations

Regulations means the Canada Oil and Gas Drilling and Production Regulations, Newfoundland Offshore Petroleum Drilling and Production Regulations, and/or Nova Scotia Offshore Petroleum Drilling and Production Regulations, as the case may be. Source:  Offshore Waste Treatment Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, December 15, 2010. Regulatory Guidance  

Regulations

The Canada Oil and Gas Drilling and Production Regulations, Newfoundland Offshore Petroleum Drilling and Production Regulations, and/or Nova Scotia Offshore Petroleum Drilling and Production Regulations, as the case may be. Source: Environmental Protection Plan Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, March 31, 2011. Regulatory Guidance Source: Safety Plan Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, March 31, 2011. Regulatory Guidance

Regulations, The

Regulations concerning OHS made under the Act. They are some of the listed OHS laws. They have changed over time. From 1st January 2005 to 31st December 2009:
  • the Petroleum (Submerged Lands) (Management of Safety on Offshore Facilities) Regulations 1996;
  • the Petroleum (Submerged Lands) (Diving Safety) Regulations 2002;
  • the Petroleum (Submerged Lands) (Occupational Health and Safety) Regulations 1993;
  • the Petroleum (Submerged Lands) (Pipelines) Regulations 2001, to the extent that those regulations relate to occupational health and safety matters;
From 1st January 2010 to 7th June 2010:
  • the Offshore Petroleum (Safety) Regulations 2009;
From 8th June 2010 onwards:
  • the Offshore Petroleum and Greenhouse Gas Storage (Safety) Regulations 2009.
Source: NOPSEMA Guideline – Glossary – Regulatory Operations, N-09000-GL0326, Australia, Revision 5, December 2011. Regulatory Guidance  

Regulations

The regulations means regulations (including these Regulations) made under the Act. Source: Offshore Petroleum and Greenhouse Gas Storage (Environment) Regulations 2009 (Statutory Rules 1999 No. 228 as amended), Australia, prepared on 1 January 2012. Regulations  

Regulations

Regulations means regulations made under the Act, including these Regulations. Source: Offshore Petroleum and Greenhouse Gas Storage (Safety) Regulations 2009 (Select Legislative Instrument 2009 No. 382 as amended), Australia, prepared on 1 January 2012. Regulations  

Regulations

Regulations means regulations made for the purposes of this Schedule. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. Legislation  

Regulations

Legislation applicable to environmental programs for the Offshore Petroleum industry (listed in Section 1 of these PEGs). Source:  Offshore Physical Environmental Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, September 2008. Regulatory Guidance  

Regulations

“Regulations” means regulations made by the Board under this Act. Source: The Petroleum and Natural Gas Regulatory Board Act, 2006, No. 19 of 2006, India, amended as of May 2013. Legislation
Regulator

Regulator

Definition(s)


Regulator

Control valve used to regulate pressure or flow. Source: IADC UBO / MPD Glossary, December 2011. Global Standards

Regulator

Regulator means:
  1. in relation to a petroleum activity — NOPSEMA; or
  2. in relation to a greenhouse gas storage activity — the responsible Commonwealth Minister.
Source: Offshore Petroleum and Greenhouse Gas Storage (Environment) Regulations 2009 (Statutory Rules 1999 No. 228 as amended), Australia, prepared on 1 January 2012. Regulations  

Regulator

Regulator means:
  1. for a petroleum exploration permit, petroleum retention lease or petroleum production licence — the Titles Administrator; and
  2. for a greenhouse gas assessment permit or greenhouse gas holding lease — the responsible Commonwealth Minister.
Source: Offshore Petroleum and Greenhouse Gas Storage (Resource Management and Administration) Regulations 2011 (Select Legislative Instrument 2011 No. 54 as amended), Australia, prepared on 1 January 2012. Regulations  

Regulator

C-NLOPB, CNSOPB, and/or NEB as appropriate. Source: Source:  Offshore Physical Environmental Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, September 2008. Regulatory Guidance  

Regulator

Authority established by a national governmental administration to oversee the activities of the offshore oil and natural gas industries within its jurisdiction, with respect to the overall safety to life and protection of the environment. NOTE 1 The term regulator can encompass more than one agency in any particular territorial waters. NOTE 2 The regulator can appoint other agencies, such as marine classification societies, to act on its behalf, and in such cases, the term regulator within this part of ISO 19905 includes such agencies. NOTE 3 Within this part of ISO 19905, the term regulator does not include any agency responsible for approvals to extract hydrocarbons, unless such agency also has responsibility for safety and environmental protection. NOTE 4 Adapted from ISO 19902:2007, definition 3.40. Source: ISO 19905-1:202, Petroleum and natural gas industries – Site-specific assessment of mobile offshore units – Part 1: Jack-ups. Global Standards  
Regulator (Pressure)

Regulator (Pressure)

Definition(s)


Regulator (Pressure)

A hydraulic device that reduces upstream supply pressure to a desired (regulated) pressure. Note: It may be manually or remotely operated and, once set, should maintain the regulated output pressure unless reset to a different pressure. 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
Reid Vapor Pressure

Reid Vapor Pressure

Definition(s)


Reid Vapor Pressure

A test method to determine the vapor pressure of volatile petroleum liquids at 100° F with an initial boiling point above 32° F. (ASTM D 323) Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Reinforced Plastic

Reinforced Plastic

Definition(s)


Reinforced Plastic

Polymeric resin-based composite that is reinforced with glass fibre. 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
Reinforced Thermosetting Resin Plastic

Reinforced Thermosetting Resin Plastic

Definition(s)


Reinforced Thermosetting Resin Plastic

Polymeric resin-based composite that is reinforced with glass fibre. Note: 1 to entry: The predominant glass fibre is E-glass (3.2.22). Note: 2 to entry: ISO 14692 (all parts) is restricted to the use of thermosetting resins (3.2.116).

Note: 3 to entry: GRE, GRUP and GRVE are types of GRP.

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