Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Bridge
Definition(s)
Bridge
Wheelhouse and bridge wings. Source: IMO Resolution MSC.128(75), Recommendation on Performance Standards for a Bridge Navigational Watch Alarm System (BNWAS), 20 May 2002, International Maritime Organization. Regulatory GuidanceBridge
Bridge. A bridge is a superstructure which does not extend to either the forward or after perpendicular. <Chapter I, regulation 3>. Source: IMO Resolution MSC.143(77), amendments to Annex B to the 1988 Load Lines Protocol, 5 June 2003, International Maritime Organization. LegislationBridge Alert Management (BAM)
Definition(s)
Bridge Alert Management (BAM)
Overall concept for management, handling and harmonized presentation of alerts on the bridge. Source: IMO Resolution MSC.302(87), Performance standards for bridge alert management, 17 May 2010, International Maritime Organization. Regulatory GuidanceBridge Navigational Watch Alarm System
Definition(s)
Bridge Navigational Watch Alarm System (BNWAS)
Second and third stage remote audible alarm as required by resolution MSC.128(75). Source: IMO resolution A.1021(26), Code on Alarms and Indicators, 2009, 18 January 2010, International Maritime Organization. Regulatory GuidanceBS
Definition(s)
BS
Standard issued by British Standards Institute. Source: API RP 17L2, Recommended Practice for Flexible Pipe Ancillary Equipment, First Edition, March 2013. Global StandardsBS
Barge Supervisor. Source: IMO Resolution A.1079(28), Recommendations for the Training and Certification of Personnel on Mobile Offshore Units (MOUs), Adopted on 4 December 2013, International Maritime Organization, Regulatory GuidanceBS
British Standard. Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards Source: International Association of Drilling Contractors, Appendix 2 to Health, Safety and Environment Case Guidelines for Offshore Drilling Contractors, Issue 3.3.2, February 2010. IADC GuidelinesBS
Base shear. Source: ISO 19905-1:202, Petroleum and natural gas industries – Site-specific assessment of mobile offshore units – Part 1: Jack-ups. Global StandardsBS
British Standard (issued by British Standard Institute). Source: Offshore Standard DNV-OS-C101, Design of Offshore Steel Structures, General (LRFD Method, Det Norske Veritas, April 2011. Global Standards Source: Rules for Classification – Offshore units, DNVGL-OU-0101, Offshore drilling and support units, DNV GL, July 2015. Global StandardsBS
Besluit stralingsbescherming. Radiation Protection Decree. Source: NOGEPA Industrial Guideline No. 16, Working with Naturally Occurring Radioactive Materials (NORM), Netherlands, Version 1, January 2009. Global StandardsBSI
Definition(s)
BSI
British Standards Institute. Source: API RP 17L2, Recommended Practice for Flexible Pipe Ancillary Equipment, First Edition, March 2013. Global Standards Source: Prevention of Fire and Explosion, and Emergency Response on Offshore Installations, Offshore Installations (Prevention of Fire and Explosion, and Emergency Response) Regulations 1995, Approved Code of Practice and guidance (UK HSE L65), Second Edition, 1997. Regulatory GuidanceBus-tie Breaker
Definition(s)
Bus-tie Breaker
A device connecting/disconnecting switchboard sections. ("closed bus-tie(s)" means connected). Source: IMO MSC.1/Circ.1580, GUIDELINES FOR VESSELS AND UNITS WITH DYNAMIC POSITIONING (DP) SYSTEMS, 16 June 2017, International Maritime Organization. Regulatory GuidanceBus-tie Breaker
Bus-tie breaker means a device connecting/disconnecting switchboard sections ("closed bus-tie(s)" means connected). Source: IMO MSC.1/Circ.1580, GUIDELINES FOR VESSELS AND UNITS WITH DYNAMIC POSITIONING (DP) SYSTEMS, 16 June 2017, International Maritime Organization. Regulatory GuidanceBWMS
Definition(s)
BWMS
Ballast Water Management System Source: Resolution MEPC.174(58), revised Guidelines for approval of ballast water management systems (G8), 10 October 2008, International Maritime Organization. Regulatory GuidanceC-NAAIA2
Definition(s)
C-NAAIA2
Canada-Newfoundland Atlantic Accord Implementation Act. Incident Reporting and Investigation Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, November 30, 2012. Regulatory GuidanceC-NLOPB
Definition(s)
C-NLOPB
Canada – Newfoundland and Labrador Offshore Petroleum Board. 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: Incident Reporting and Investigation Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, November 30, 2012. Regulatory Guidance 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 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 GuidanceCALA
Definition(s)
CALA
Canadian Association for Laboratory Accreditation. 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 GuidanceCalibration
Definition(s)
Calibration
Comparison to a standard of known accuracy and making any needed adjustment(s) . Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards Source: API SPEC Q1, Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry, Ninth Edition, June 2013 (Errata 2, March 2014). Global StandardsCalibration
Comparison of an instrument with, or the adjustment of an instrument to, a known reference(s) standard that is often traceable to a national institute such as the National Institute of Standards and Technology. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global StandardsCalibration
Adjustment of instruments to a known basic reference often traceable to the national standards body. NOTE Calibration typically is documented in a log book and by a tag applied to the instrument. Source: API RP 7G-2, Recommended Practice for Inspection and Classification of Used Drill Stem Elements, First Edition, August 2009. Global StandardsCalibration
Comparison and adjustment to a standard of known accuracy. Source: API SPEC 6A, Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition, October 2010 (Addendum November 2012). Global Standards Source: API SPEC 16A, Specification for Drill-through Equipment, Third Edition, June 2004 (Errata/Supplement November 2004). Global Standards Source: API SPEC 16C, Specification for Choke and Kill Systems, First Edition, January 1993 (Reaffirmed 2001). Global Standards Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards Source: API SPEC Q1, Specification for Quality Programs for the Petroleum, Petrochemical and Natural Gas Industry, Upstream Segment, Eighth Edition, December 2007 (Addendum December 2010). Global StandardsCalibration
Calibration is the process of confirming the accuracy of the detector readings by comparison with a standard. Source: IMO MSC.1/Circ.1370, Guidelines for the design, construction and testing of fixed hydrocarbon gas detection systems, 22 June 2010, International Maritime Organization. Regulatory GuidanceCalibration
Process used to determine partial factors using structural reliability analysis and target reliabilities. Source: ISO 19900:2013, Petroleum and natural gas industries – General requirements for offshore structures. Global StandardsCalibration
Comparison and adjustment to a standard of known accuracy. Source:ISO/TS 29001:2010(E).Global StandardsCall
Definition(s)
Call
The request for contact, assistance and/or action from an individual to another person or group of persons, i.e. the complete procedure of signalling and indicating this request. Source: IMO resolution A.1021(26), Code on Alarms and Indicators, 2009, 18 January 2010, International Maritime Organization. Regulatory GuidanceCan
Definition(s)
Can
The term “can” is used to express possibility or capability. Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global StandardsCan
“Can”, means an alternative, equal way of fulfilling the regulatory requirements, e.g. where the guidelines recommend using maritime standards as an alternative to following a NORSOK standard. Source: Guidelines Regarding the Framework Regulations, Norway, updated December 2012. Regulatory GuidanceCan
Verbal form used for statements of possibility and capability, whether material, physical or casual. Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards Source: NORSOK D-002, Well intervention equipment, Rev. 2, June 2013. Global StandardsCan
Can requirements are conditional and indicates a possibility open to the user of the standard. Source: NORSOK D-007, Well Testing Systems, Rev. 1, January 1996. Global StandardsCan
verbal form used for statements of possibility and capability whether material, physical or casual Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsCAP
Definition(s)
CAP
Critical action panel. Source: DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global StandardsCAP
Corrective Action Plan. Source: NOPSEMA Guidance Note: Noise Management—Principles of Assessment and Control, N-09000-GN0401, Australia, Revision 3, December 2011. Regulatory GuidanceCapability
Definition(s)
Capability
The potential to accomplish a mission, function, or objective. Source: API RP 781 Security Plan Methodology for the Oil and Natural Gas Industries.1st Ed. September 2016. Global StandardsCapability
The means to accomplish a mission, function, or objective. Adapted 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 StandardsCapability
The means to accomplish a mission, function, or objective. Adapted from: DHS Risk Lexicon Source: IOGP Report No. 510, Operating Management System Framework for controlling risk and delivering high performance in the oil and gas industry, International Association of Oil & Gas Producers, June 2014. Global StandardsWell Barriers
Means to accomplish a mission, function, or objective.
Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global StandardsCapability
Means to accomplish a mission, function, or objective. Sample Usage: Counterterrorism operations are intended to reduce the capability of terrorist groups. Annotation: Adversary capability is one of two elements, the other being adversary intent, that are commonly considered when estimating the likelihood of terrorist attacks. Adversary capability is the ability of an adversary to attack with a particular attack method. Other COIs may use capability to refer to any organization's ability to perform its mission, activities, and functions. Source: DHS Risk Lexicon, U.S. Department of Homeland Security, 2010 Edition. September 2010 Regulatory GuidanceCAPP
Definition(s)
CAPP
Canadian Association of Petroleum Producers. 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 Incident Reporting and Investigation Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, November 30, 2012. Regulatory Guidance 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 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 GuidanceCAR
Definition(s)
CAR
Canadian Aviation Regulation. 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 GuidanceCargo alarm
Definition(s)
Cargo alarm
An alarm which indicates abnormal conditions originating in cargo, or in systems for the preservation or safety of cargo. Source: IMO resolution A.1021(26), Code on Alarms and Indicators, 2009, 18 January 2010, International Maritime Organization. Regulatory GuidanceCargo Area
Definition(s)
Cargo Area
Cargo area is that part of the ship that contains cargo tanks, slop tanks, cargo pump-rooms including pump-rooms, cofferdams, ballast or void spaces adjacent to cargo tanks or slop tanks and also deck areas throughout the entire length and breadth of the part of the ship over the above-mentioned spaces. Where independent tanks are installed in hold spaces, cofferdams, ballast or void spaces at the after end of the aftermost hold space or at the forward end of the forward-most hold space are excluded from the cargo area. 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 OrganizationCargo Area
Cargo area is that part of the ship that contains cargo tanks, slop tanks, cargo pump-rooms including pump-rooms, cofferdams, ballast or void spaces adjacent to cargo tanks or slop tanks and also deck areas throughout the entire length and breadth of the part of the ship over the above-mentioned spaces. Where independent tanks are installed in hold. 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 OrganizationCargo Area
Cargo area is that part of the ship that contains cargo holds, cargo tanks, slop tanks and cargo pump-rooms including pump-rooms, cofferdams, ballast and void spaces adjacent to cargo tanks and also deck areas throughout the entire length and breadth of the part of the ship over the above-mentioned spaces. <Chapter II-2, part A, regulation 3>. Source: IMO Resolution MSC.99(73), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 5 December 2000, International Maritime Organization. LegislationCargo Claims
Definition(s)
Cargo Claims
Cargo claims means claims in respect of loss of, damage to, or delay in the delivery of cargo carried by sea. Source: IMO Resolution A.898(21), Guidelines on shipowners’ responsibilities in respect of maritime claims, 4 February 2000, International Maritime Organization. Regulatory guidanceCargo Pump-Room
Definition(s)
Cargo Pump-Room
Cargo pump-room is a space containing pumps and their accessories for the handling of the products covered by the Code. 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 OrganizationCargo Securing Devices
Definition(s)
Cargo Securing Devices
Cargo securing devices are all fixed and portable devices used to secure and support cargo units. Source: IMO MSC.1/Circ.1353, Revised Guidelines for the preparation of the Cargo Securing Manual, 30 June 2010, International Maritime Organization. Regulatory GuidanceCargo Service Spaces
Definition(s)
Cargo Service Spaces
Cargo service spaces are spaces within the cargo area used for workshops, lockers and store-rooms of more than 2 m2 in area, used for cargo-handling equipment. 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 OrganizationCargo Ship
Definition(s)
Cargo Ship
Cargo ship is any ship which is not a passenger ship, a ship of war and troopship, a ship which is not propelled by mechanical means, a wooden ship of primitive build, a fishing vessel or a mobile offshore drilling unit. Source: IMO resolution MSC.267(85), International Code on Intact Stability, 2008 (2008 IS Code), 4 December 2008, International Maritime Organization. Regulatory Guidance Source: IMO Resolution MSC.267(85), adoption of the International Code on Intact Stability, 2008 (2008 IS Code), 4 December 2008, International Maritime Organization. Regulatory GuidanceCargo Ship
Cargo ship is a ship as defined in regulation I/2(g). <Chapter II-2, part A, regulation 3>. Source: IMO Resolution MSC.99(73), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 5 December 2000, International Maritime Organization. LegislationCargo Tank
Definition(s)
Cargo tank
Any tank or vessel, located in the below deck area, designed to contain cargo. 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 StandardsCargo tank
Cargo tank is the envelope designed to contain the cargo. 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, International Maritime Organization, Regulatory guidanceCase-by-Case Approval
Definition(s)
Case-by-Case Approval
The case-by-case approval means approval where a product is approved for installation on board a specific ship without using a type approval certificate. Source: IMO Resolution MSC.307(88), International Code for Application of Fire Test Procedures, 2010 (2010 FTP Code), 3 December 2010, International Maritime Organization. Regulatory GuidanceCasing Liner
Definition(s)
Casing Liner
Casing string with its uppermost point inside a previous casing string and not in the wellhead.Source: ISO 16530-1:2017, Petroleum and natural gas industries - Well integrity – Part 1: Life cycle governance, First Edition, March 2017. Global Standards