Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Significant Discovery Area
Definition(s)
Significant Discovery Area
“Significant discovery area” means, in relation to a declaration of significant discovery made pursuant to subsection 74(1) or (2), those portions of the offshore area described in the declaration; périmètre de découverte importante. Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. LegislationSignificant Discovery Area
“Significant discovery area” means, in relation to a declaration of significant discovery made pursuant to subsection 28(1) or (2), those frontier lands described in the declaration. périmètre de découverte importante. Source: Canada Petroleum Resources Act, R.S.C. 1985, c. 36 (2nd Supp.), current to April 29, 2013. LegislationTransfer
Definition(s)
Transfer
“Transfer” means a transfer of an interest or a share in an interest; transfert. Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. Legislation Source: Canada Petroleum Resources Act, R.S.C. 1985, c. 36 (2nd Supp.), current to April 29, 2013. LegislationWell Termination Date
Definition(s)
Well Termination Date
For the purposes of subsection (3), “well termination date” means the date on which a well has been abandoned, completed or suspended in accordance with any applicable drilling regulations. Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. Legislation Source: Canada Petroleum Resources Act, R.S.C. 1985, c. 36 (2nd Supp.), current to April 29, 2013. LegislationWell Termination Date
“Well termination date” means the date on which a well or test hole has been abandoned, completed or suspended in accordance with any applicable regulations respecting the drilling for petroleum made under Part III; date d’abandon du forage. Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. LegislationWell Termination Date
“Well termination date” means the date on which a well or test hole has been abandoned, completed or suspended in accordance with any applicable regulations respecting the drilling for petroleum made under the Canada Oil and Gas Operations Act; date d’abandon du forage. Source: Canada Petroleum Resources Act, R.S.C. 1985, c. 36 (2nd Supp.), current to April 29, 2013. LegislationAssignment of Security Interest
Definition(s)
Assignment of Security Interest
“Assignment of security interest” means a notice of the assignment of a security interest or any part thereof in respect of which a security notice has been registered under this Part; cession de sûreté. Source: Canada Petroleum Resources Act, R.S.C. 1985, c. 36 (2nd Supp.), current to April 29, 2013. Legislation Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. LegislationBilge Water
Definition(s)
Bilge Water
Bilge water is typically composed of seawater that may seep or flow into an offshore installation from various points in the structure, and may also be contaminated with oil and other substances from machinery spaces. 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 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 GuidanceCO2 equivalent
Definition(s)
CO2 equivalent
CO2 equivalent means a unit of measure of the mass of an emitted non-CO2 greenhouse gas or gaseous mixture as if it were CO2, based on the relative global warming potential of the gas or gaseous mixture compared to the global warming potential of CO2. Note: Environment Canada (2010), Greenhouse Gas Emissions Reporting: Technical Guidance on Reporting Greenhouse Gas Emissions - Reporting of 2009 Emissions Data, Greenhouse Gas Division, Environment Canada, Gatineau QC. 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 GuidanceCooling Water
Definition(s)
Cooling Water
Cooling water is seawater that has been pumped from the sea onto an installation and passed through heat exchangers to remove heat from processes on the installation before being returned to the sea. 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 GuidanceDeck Drainage
Definition(s)
Deck Drainage
Deck drainage is water that reaches the deck of offshore installations through precipitation, sea spray, or from routine operations such as washdown and fire drills. 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 GuidanceEnhanced mineral oil based mud (EMOBM)
Definition(s)
Enhanced mineral oil based mud (EMOBM)
Enhanced mineral oil based mud (EMOBM) means a drilling fluid in which the continuous phase is a highly-purified petroleum distillate which should have a total polycyclic aromatic hydrocarbon concentration of less than 10 mg/kg, be relatively non toxic in marine environments and have the potential to biodegrade under aerobic conditions. 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 GuidanceOil based mud (OBM)
Definition(s)
Oil based mud (OBM)
Oil based mud (OBM) means a drilling fluid in which the continuous phase is a product obtained from petroleum distillation (e.g., diesel oil or mineral oil). 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 GuidanceOWTG
Definition(s)
OWTG
Offshore Waste Treatment Guidelines. 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 GuidanceProduced Sand
Definition(s)
Produced Sand
Produced sand originates from geological formations and is separated from formation fluids during oil and gas production. It may also contain scale particles that are generated during the processing of those fluids. 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 GuidanceStorage Displacement Water
Definition(s)
Storage Displacement Water
Storage displacement water is water that is pumped into and out of oil storage chambers on certain types of production installations during oil production and offloading operations. 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 GuidanceSynthetic Based Mud (SBM)
Definition(s)
Synthetic Based Mud (SBM)
Synthetic based mud (SBM) means a drilling fluid in which the continuous phase is composed of one or more fluids produced by the reaction of specific purified chemical feedstock, rather than through physical separation processes such as fractionation, distillation and minor chemical reactions such as cracking and hydro processing, and which should have a total polycyclic aromatic hydrocarbon concentration of less than 10 mg/kg, be relatively nontoxic in marine environments and have the potential to biodegrade under aerobic conditions. 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 GuidanceWell Treatment Fluids
Definition(s)
Well Treatment Fluids
Well treatment fluids are fluids used in, or generated from, operations such as well workovers, well stimulation, well completion and formation fracturing. 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 GuidanceAviation Weather Observer
Definition(s)
Aviation Weather Observer
Qualified individual tasked with aviation weather observing duties who • has a detailed practical knowledge of and experience in all observing standards and techniques related to aviation weather observing; • is conversant with relevant WMO standards and guidelines; and • understands the data requirements for forecasting and climatological purposes. Aviation weather observer qualification is a responsibility of the Operator. 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 GuidanceAviation Weather Observing
Definition(s)
Aviation Weather Observing
Aviation weather observing procedure. 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 GuidanceAviation Weather Reporting
Definition(s)
Aviation Weather Reporting
Aviation weather reporting procedure. 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 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 GuidanceCCG
Definition(s)
CCG
Canadian Coast Guard. 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 GuidanceCIS
Definition(s)
CIS
Canadian Ice Service. 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 GuidanceOperation
Definition(s)
Operation
A generic term used to denote any kind of business activity. (IPIECA, 2010) Source: Identifying and assessing water sources: Guidance document for the onshore oil and gas industry, International Petroleum Industry Environmental Conservation Association (IPIECA), 2014. Global StandardsOperation
Sequence of planning and execution tasks that are carried out to complete a specific activity. Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global StandardsOperation
See also Hazardous Operation. A set of physical activities and tasks within a process to achieve a desired result. E.g., running casing, rig move, etc. 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 GuidelinesOperation
A general term for any activities or assets where operating occurs. 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 StandardsOperation
Operation:
- Includes any operation in which any activity is carried out pursuant to a prospecting licence or an exploration licence granted under the Mining Act 1971 or a coal prospecting licence granted under the Coal Mines Act 1979 or a prospecting permit or an exploration permit granted under the Crown Minerals Act 1991, being in each case a licence or permit in force; and
- includes any operation in which any exploratory activity is carried out by machinery for the purpose of ascertaining whether a mine or a quarry may be worked; and
- includes any operation in which a mine or a quarry is worked or a tunnel is made; and
- includes any buildings, machinery, or works—
- at a place where a mine or quarry is worked or a tunnel is made; and
- used for the purposes of the working of the mine or quarry or the making of the tunnel; and
- Includes, in relation to any operation in which a mine or a quarry is worked, any activity carried out in relation to the working of the mine or the quarry and any activity required to open or close the workings in the mine or the quarry; and
- includes, in relation to any operation in which a tunnel is made, any activity carried out in relation to the making of the tunnel and any activity required to open or close the works relating to the making of the tunnel; but
- does not include any operation in which occurs—