Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Hyperbaric First-aid Technician
Definition(s)
Hyperbaric First-aid Technician
“Hyperbaric first-aid technician” means a person who has successfully completed an advanced hyperbaric first-aid course acceptable to the Minister (secouriste hyperbare). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsEnvironmental Conditions
Definition(s)
Environmental Conditions
“Environmental conditions” means conditions that may affect a diving operation and includes- weather and sea conditions,
- speed of currents and tides,
- shipping activities,
- air and water temperatures,
- icing conditions, and
- debris on the sea surface or sea bed (conditions ambiantes).
Environmental Conditions
“Environmental conditions” means meteorological, oceanographical and other natural conditions, including ice conditions, that may affect the operations of a work place (conditions environnementales). Source: Canada Oil and Gas Occupational Safety and Health Regulations, SOR/87-612, February 2013. Regulations Source: Nova Scotia Offshore Petroleum Occupational Health & Safety Requirements, Canada-Nova Scotia Offshore Petroleum Board, Canada, December 2000. Regulations Source: Oil and Gas Occupational Safety and Health Regulations, SOR/87-612, Canada, current to April 29, 2013. RegulationsDressed-in
Definition(s)
Dressed-in
“Dressed-in” means fully equipped to dive and ready to enter the water, with the diver’s personal diving equipment tested and at hand, whether or not helmet, face plate or face mask is in place (équipé). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Supervisor
Definition(s)
Diving Supervisor
“Diving supervisor” means a supervisor of a diving operation involving a diver (directeur de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Submersible
Definition(s)
Diving Submersible
“Diving submersible” means a self-propelled submarine that has at least- one one-atmosphere compartment from which the diving submersible is piloted and from which a dive can be supervised, and
- one compression chamber from which a dive can be conducted (sous-marin crache-plongeurs).
Diving Station
Definition(s)
Diving Station
“Diving station” means the place from which a diving operation is controlled (poste de commande de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Safety Specialist
Definition(s)
Diving Safety Specialist
“Diving safety specialist” means a person who meets the criteria set out in subsection 26(1) (spécialiste de la sécurité en plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Program
Definition(s)
Diving Program
“Diving program” means any work or activity related to the exploration or drilling for or the production, conservation, processing or transportation of oil or gas that involves a diving operation (programme de plongée ou programme). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Plant and Equipment
Definition(s)
Diving Plant and Equipment
“Diving plant and equipment” means the plant and equipment that are used in, or in connection with, a diving operation and includes the plant and equipment that are essential to a diver or pilot (matériel de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsAppeal
Definition(s)
Appeal
Request by a CAB for reconsideration of any adverse decision made by the accreditation body related to its desired accreditation status. NOTE Adverse decisions include - refusal to accept an application, - refusal to proceed with an assessment, - corrective action requests, - changes in accreditation scope, - decisions to deny, suspend or withdraw accreditation, and - any other action that impedes the attainment of accreditation. Source: ISO/IEC 17011:2004, Conformity assessment – General requirements for accreditation bodies accrediting conformity assessment bodies. Global StandardsAppeal
request by applicant, candidate or certified person for reconsideration of any decision made by the certification body related to his/her desired certification status [SOURCE: ISO/IEC 17024:2012, 3.19]. Source: ISO/IEC TS 17027:2014, Conformity assessment – Vocabulary related to competence of persons used for certification of persons, Global StandardsAppeal
“Appeal” means an appeal under regulation 24. Source: The Offshore Installations (Safety Case) Regulations 2005, UK S.I. 2005/3117, 2005. RegulationsAccreditation
Definition(s)
Accreditation
Third-party attestation related to a conformity assessment body conveying formal demonstration of its competence to carry out specific conformity assessment tasks- Note: 1 to entry: Accreditation refers to conformity assessment bodies only, and not to persons.
Accreditation
Official recognition by the body for accreditation of a natural person's or legal entity's authority to perform works in a certain sphere of compliance evaluation. Source: Federal Law on Technical Regulation, No. 184-FZ, Russian Federation, December 2002 (amended September 2010). RegulationsAccreditation
Third-party attestation related to a conformity assessment body conveying formal demonstration of its competence to carry out specific conformity assessment tasks. Source: ISO/IEC 17011:2004, Conformity assessment – General requirements for accreditation bodies accrediting conformity assessment bodies. Global StandardsDiving Doctor
Definition(s)
Diving Doctor
“Diving doctor” means a medical doctor who is licensed and registered to practise in a province, who has completed a diving medical course acceptable to the Minister and who has been accepted in writing by the Minister to certify divers for the purposes of paragraph 53(b), but who has not been accepted by the Minister to provide medical assistance under pressures greater than atmospheric pressure (médecin de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Crew
Definition(s)
Diving Crew
“Diving crew” means the persons who are designated by a diving contractor to be involved in a diving operation conducted by the diving contractor and who are under the supervision of a supervisor (équipe de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Bell
Definition(s)
Diving Bell
“Diving bell” means a compression chamber that is intended to be submerged and that is designed to transport a person at atmospheric pressure or divers at pressures greater than atmospheric pressure from the surface to an underwater work site and back and includes the compression chamber of a diving submersible (tourelle de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiving Bell
A diving bell is a submersible compression chamber used for transferring divers under pressure to and from the worksite. Source: Commercial Diving Projects Offshore, Diving at Work Regulations 1997, Approved Code of Practice (UK HSE L103), First Edition, 1998. Regulatory GuidanceDiving Bell
“Diving bell” means any compression chamber which is capable of being manned and is used or designed for use under the surface of water in supporting human life being a chamber in which any occupant is or may be subjected to a pressure of more than 300 millibars above atmospheric pressure during normal operation. Source: The Diving at Work Regulations 1997, UK S.I. 1997/2776, 1997. Regulations Source: The Offshore Installations (Safety Case) Regulations 2005, UK S.I. 2005/3117, 2005. RegulationsDiver
Definition(s)
Diver
“Diver” means a person who meets the requirements of section 53, 55 or 57, who is involved in a diving operation that is part of a diving program and who may be subject to pressures greater than atmospheric pressure (plongeur). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDiver
“Diver” means a person at work who dives. Source: The Diving at Work Regulations 1997, UK S.I. 1997/2776, 1997. RegulationsDive Time
Definition(s)
Dive Time
“Dive time” means the period commencing when a person begins pressurization or descent for a dive and terminating when the person completes decompression or ascent (durée de la plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDive Site
Definition(s)
Dive Site
“Dive site” means the place on a craft or installation from which a diving operation is conducted and from which a diver or pilot involved in the diving operation enters the water (lieu de plongée). Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. RegulationsDecompression Table
Definition(s)
Decompression Table
“Decompression table” means a table or set of tables that- shows a schedule of rates for safe descent and ascent and the appropriate breathing mixture to be used by a diver during a dive, and
- has been approved in accordance with section 5 (table de décompression).
Decompression Sickness Type II
Definition(s)
Decompression Sickness Type II
“Decompression sickness type II” means a decompression sickness that is characterized by one or more of the following symptoms, namely,- neurological manifestations related to the central nervous system,
- interference with the respiratory or cardiovascular system,
- otologic disorders, and
- any symptoms not referred to in the definition “decompression sickness type I” (maladie de la décompression de type II).
Decompression Sickness Type I
Definition(s)
Decompression Sickness Type I
“Decompression sickness type I” means a decompression sickness that is characterized by one or both of the following symptoms, namely,- pain that is located at or near the joints of the limbs but is not felt in other parts of the body, and
- cutaneous manifestations including a rash and cutaneous pruritis (intense itching) (maladie de la décompression de type I).