Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
High Risk
Definition(s)
High Risk
High risk as mentioned in this table litera a, means the cases when the diver does not have an unrestricted return to the diving bell, or where loss of the vessel's position can lead to loss of or damage to the diving bell, and possibly the associated bottom weight. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceHealth Service
Definition(s)
Health Service
The health service means the organisation, the personnel and the resources that are necessary in order to attend to the health-related matters in the petroleum activities as mentioned in Section 6 of the Framework Regulations. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceHazard and Accident Situations
Definition(s)
Hazard and Accident Situations
The hazard and accident situations as mentioned in the first subsection, also include other hazard and accident situations than the defined, complex hazard and accident situations, stress situations and situations where key personnel are incapacitated or are unable to carry out their duties. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceHazard and Accident Situations
Hazard and accident situations as mentioned in the first subsection include a) situations where there is a danger that vessels or drifting objects can collide with facilities, b) blowouts from wells, c) explosions and fires, d) major accidental hydrocarbon and chemical discharges of significance to safety and the working environment, e) accidental discharges of petroleum, drilling fluid and chemicals of significance to the external environment, cf. recommended levels for notification of acute pollution, f) incidents where the use of radioactive sources is out of control. Source: Guidelines Regarding the Management Regulations, Norway, updated December 2012. Regulatory GuidanceHazard and Accident Situations
Hazard and accident situations as mentioned in the third subsection, can include a) situations where special hygiene or health preparedness measures have been implemented, e.g. in connection with a) illness attributed to the water or food supply, b) failure of normal hygienic procedures resulting in increased risk of illness, b) less serious situations in connection with positioning, pipeline systems and load bearing structures, c) violation of safety zones or areas subject to special limitations, cf. Section 57 of the Framework Regulations, d) situations which have led to loss of deck cargo, anchoring, mooring and towing equipment, and drilling and well equipment. The notification should indicate the exact position, e) accidental hydrocarbon and chemical discharges of lesser significance to safety and the working environment, f) accidental discharges of petroleum, drilling fluid and chemicals of lesser significance to the external environment, cf. recommended levels for notification of such discharges, g) situations where radioactive sources are stuck in the well, h) situations where individual measurements show that employees have been exposed to radiation (effective dose equivalent) of more than 20 mSv during the course of twelve months. Source: Guidelines Regarding the Management Regulations, Norway, updated December 2012. Regulatory GuidanceHazard and Accident Situations
Hazard and accident situations as mentioned in the first subsection can be a) explosions and fires, b) major accidental hydrocarbon and chemical discharges of significance for safety and the working environment, c) accidental discharges of petroleum and chemicals of significance for the external environment, d) incidents where the use of radioactive sources is out of control, e) hazardous substances not accounted for, cf. Regulations relating to explosive goods. Source: Guidelines Regarding the Management Regulations, Norway, updated December 2012. Regulatory GuidanceHazard and Accident Situations
Hazard and accident situations as mentioned in the third subsection, can include a) situations where special hygiene or health preparedness measures have been implemented, e.g. in connection with a) illness attributed to the water or food supply, b) failure of normal hygienic procedures resulting in increased risk of illness, b) less serious situations in connection with pipeline systems and load-bearing structures, c) accidental hydrocarbon and chemical discharges of lesser significance for safety and the working environment, d) accidental discharges of petroleum and chemicals of lesser significance for the external environment, e) situations where individual measurements show that employees have been exposed to radiation (effective dose equivalent) of more than 20 mSv during the course of twelve months. Source: Guidelines Regarding the Management Regulations, Norway, updated December 2012. Regulatory GuidanceHandover
Definition(s)
Handover
Handover of wells between units means handover between production, well service, operation, maintenance, etc. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceHandling
Definition(s)
Handling
Handling also means handling during hazard and accident situations. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory Guidance Source: Guidelines Regarding the Technical and Operational Regulations, Norway, updated December 2012. Regulatory GuidanceGoverning Documents
Definition(s)
Governing Documents
Governing documents as mentioned in the second subsection, litera b, also mean the guidelines, procedures, plans and programmes that are prepared according to these regulations and the Management Regulations. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory Guidance Source: Guidelines Regarding the Technical and Operational Regulations, Norway, updated December 2012. Regulatory GuidanceGiving the Right Notification
Definition(s)
Giving the Right Notification
Giving the right notification as mentioned in litera a, means notifying, inter alia, a) the facility's central control room or other central function, b) the Joint Rescue Coordination Centre c) one or more parts of the operator's emergency preparedness organisation, d) the contractors' emergency preparedness organisations, e) other licensees and partners in the event of an agreement relating to coordinated emergency preparedness resources, or in the event of joint use of production and/or transport systems. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceGiving the Right Notification
Giving the right notification as mentioned in litera a, means notifying, inter alia, a) the onshore facility's central control room or another central function, b) one or more levels of the operator's emergency preparedness organisation, c) the contractors' emergency preparedness organisations, d) other licensees, owners and contractual partners if there is an agreement relating to coordinated emergency preparedness resources or in joint use of production and/or transport systems. Source: Guidelines Regarding the Technical and Operational Regulations, Norway, updated December 2012. Regulatory GuidanceFollow-Up Surveys
Definition(s)
Follow-Up Surveys
Follow-up surveys mean chemical and biological surveys both during and after acute pollution. It should be possible to utilise the results of such surveys both during the combat phase with regard to evaluation of relevant measures for optimal combating of the pollution, and in the restoration phase with regard to identification of resources that have been harmed. Such surveys may require special instrumentation and technical measuring equipment, particularly in the event of underwater discharges for surveys in the water column. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceFault Modes
Definition(s)
Fault Modes
Fault modes as mentioned in the fifth subsection, mean both external and internal failure modes. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceEmergency Preparedness Organisation
Definition(s)
Emergency Preparedness Organisation
Emergency preparedness organisation means the personnel including medical practitioner, who are directly linked to installation resources, area resources, external resources and regional resources. Guidance Notes on Petroleum and Natural Gas (Safety in Offshore Operations) Rules, 2008, Oil Industry Safety Directorate (India), 2012. Regulatory GuidanceEmergency Preparedness Organisation
Emergency preparedness organisation as mentioned in the first subsection, means the personnel, including a physician, directly associated with unit resources, area resources, external resources and regional resources. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceEmergency Preparedness Organisation
Emergency preparedness organisation as mentioned in the first subsection, means the personnel directly associated with the unit resources, area resources, the external resources and the regional resources. Source: Guidelines Regarding the Technical and Operational Regulations, Norway, updated December 2012. Regulatory GuidanceDefined Hazard and Accident Situations
Definition(s)
Defined Hazard and Accident Situations
The defined hazard and accident situations as mentioned in the first subsection, mean a representative selection of hazard and accident situations used in the dimensioning of the emergency preparedness. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory Guidance Source: Guidelines Regarding the Technical and Operational Regulations, Norway, updated December 2012. Regulatory GuidancePetroleum Resource
Definition(s)
Petroleum Resource
“Petroleum Resource” means oil and gas. For further certainty, “oil” means: (i) crude oil, regardless of gravity, produced at a wellhead in liquid form, and (ii) any other hydrocarbons, except coal and gas, and, without limiting the generality of the foregoing, hydrocarbons that nay be extracted or recovered from deposits of oil sand; bitumen, bituminous sand, oil shale or from any other types of deposits on the surface or subsurface or the seabed or its subsoil, and “gas” means natural gas and includes all substances, other than oil, that are produced in association with natural gas. Source: Canada – Nova Scotia Offshore Petroleum Resources Accord, Canada, August 26, 1986. LegislationParties
Definition(s)
Parties
“Parties” means Canada and the Province of Nova Scotiat. Source: Canada – Nova Scotia Offshore Petroleum Resources Accord, Canada, August 26, 1986. LegislationCritical Activities
Definition(s)
Critical Activities
Critical activities inter alia include:- Work on pressurised, electrified or hydrocarbon service systems;
- Hot work;
- Work with explosives or substances that self-ignite;
- Work that entails risk of acute pollution;
- Lifting operations;
- Work that entails disconnection of safety systems;
- Working at heights;
- Confined space entry.
Critical Activities
Critical activities can be- work on pressurised, electrified or hydrocarbon-bearing systems,
- hot work,
- work with explosives or substances that self-ignite,
- work on radioactive sources,
- work that entails risk of acute pollution,
- work that entails disconnection of safety systems,
- lifting operations, cf. Section 92.