Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Preventive Measures
Definition(s)
Preventive Measures
"Preventive measures" means any reasonable measures taken by any person after an incident has occurred to prevent or minimize pollution damage. Source: International Convention on Civil Liability for Bunker Oil Pollution Damage, 2001. LegislationPreventive Measures
Preventive measures as mentioned in the fourth subsection, means measures to remove the cause of a potential nonconformity or some other potential undesirable situation. See also the NS-EN-ISO 9000 standard, Chapter 3. Source: Guidelines Regarding the Management Regulations, Norway, updated December 2012. Regulatory GuidanceShipowner
Definition(s)
Shipowner
Shipowner means the owner of a seagoing ship, or any other organization or person who or which has assumed responsibility for the operation of such a ship. Source: IMO Resolution A.898(21), Guidelines on shipowners’ responsibilities in respect of maritime claims, 4 February 2000, International Maritime Organization. Regulatory GuidanceShipowner
Shipowner means the owner of the ship or any other organization or person, such as the manager, agent or bareboat charterer, who has assumed the responsibility for operation of the ship from the shipowner and who on assuming such responsibilities has agreed to take over all the attendant duties and responsibilities Note: Article 1(c) of the Recruitment and Placement of Seafarers Convention 1996 (No.179) and Regulation IX/1.2 of SOLAS 1974 as amended. Source: IMO Resolution A.930(22), Guidelines on Provision of Financial Security in Case of Abandonment of Seafarers, 17 December 2001, International Maritime Organization. Regulatory Guidance Source: IMO Resolution A.931(22), Guidelines on Shipowners' Responsibilities in respect of Contractual Claims for Personal Injury to or Death of Seafarers, 17 December 2001, International Maritime Organization. Regulatory GuidanceShipowner
Shipowner means the person or persons or company registered as the owner of the ship or, in the absence of registration, the person or persons or company owning the ship. However, in the case of a ship owned by a State and operated by a company which in that State is registered as the ship’s operator, “owner” shall mean such company. This term also includes those who have ownership of the ship for a limited period pending its sale to a recycling facility. Source: IMO Resolution A.951(23), IMO Guidelines on Ship Recycling (resolution A.962(23)), 4 March 2004, International Maritime Organization. Regulatory GuidanceShipowner
"Shipowner" means the owner, including the registered owner, bareboat charterer, manager and operator of the ship. Source: International Convention on Civil Liability for Bunker Oil Pollution Damage, 2001. LegislationGross Tonnage
Definition(s)
Gross Tonnage
Gross tonnage is calculated according to the tonnage measurement rules contained in Annex I of the International Convention on Tonnage Measurement of Ships 1969. Source: IMO Resolution A.898(21), Guidelines on shipowners’ responsibilities in respect of maritime claims, 4 February 2000, International Maritime Organization. Regulatory GuidanceGross Tonnage
"Gross tonnage" means gross tonnage calculated in accordance with the tonnage measurement regulations contained in Annex 1 of the International Convention on Tonnage Measurement of Ships, 1969 or any successor Convention. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. Legislation Source: International Convention on Civil Liability for Bunker Oil Pollution Damage. 2001. Legislation Source: Resolution MEPC.195(61), 2010 Guidelines for Survey and Certification of Anti-fouling Systemson Ships, 1 October 2010, International Maritime Organization. Regulatory GuidanceGross Tonnage
"Gross tonnage" means the gross tonnage calculated in accordance with the tonnage measurement regulations contained in Annex 1 to the International Convention on Tonnage Measurement of Ships, 1969, or any successor Convention. Source: International Convention on the Control of Harmful Anti-fouling Systems on Ships,2001. Legislation Source: Resolution MEPC.176(58), amendments to the Annex of the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships (Revised MARPOL Annex VI), 10 October 2008, International Maritime Organization. LegislationPollutant
Definition(s)
Pollutant
Any constituent that contaminates or alters the physical, thermal, chemical, or biological quality of water so as to be harmful, detrimental, or injurious to humans, animal life, vegetation, or property or to the public health, safety, or welfare, or that impairs the usefulness or the public enjoyment of the water for any lawful purpose. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsPollutant
Pollutant means any substance controlled by MARPOL which, if introduced into the sea, is liable to create hazards to human health, to harm living resources and marine life, to damage amenities or to interfere with other legitimate uses of the sea. Source: IMO resolution A.1021(26), Guidelines for ships operating in polar waters, 18 January 2010, International Maritime Organization, Regulatory GuidanceDelineation Well
Definition(s)
Delineation Well
In these Regulations, “delineation well”, “development well” and “exploratory well” have the same meaning as in subsection 101(1) of the Canada Petroleum Resources Act. Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. RegulationsDelineation Well
“Delineation well” means a well that is so located in relation to another well penetrating an accumulation of petroleum that there is a reasonable expectation that another portion of that accumulation will be penetrated by the first-mentioned well and that the drilling is necessary in order to determine the commercial value of the accumulation. Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance 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. LegislationDelineation Well
In these Regulations, “delineation well”, “development well” and “exploratory well” have the same meaning as in subsection 122(1) of the Act. Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsSupplier
Definition(s)
Supplier
An organisation paid by the company under contract to provide goods, services or other resources. 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 StandardsSupplier
“Supplier” means a person who manufactures, supplies, sells, leases, distributes or installs any tool, equipment, machine or device or any biological, chemical or physical agent to be used by an employee. 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. RegulationsSupplier
“Supplier” means a person who is a manufacturer, processor or packager of a hazardous substance or a person who, in the course of business, imports or sells a hazardous substance. Source: Nova Scotia Offshore Petroleum Occupational Health & Safety Requirements, Canada-Nova Scotia Offshore Petroleum Board, Canada, December 2000. RegulationsSupplier
A company that sells or provides an additive for use in a hydraulic fracturing treatment. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsSupplier
"Supplier" means a company which provides products; which may be a manufacturer, trader or agency. Source: Resolution MEPC.197(62), 2011 Guidelines for the development of the Inventory of Hazardous Materials, 15 July 2011, International Maritime Organization. Regulatory GuidanceWell Approval
Definition(s)
Well Approval
“Well approval” means the approval granted by the Board under section 13 (approbation relative à un puits). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsWaste Material
Definition(s)
Waste Material
“Waste material” means any garbage, refuse, sewage or waste well fluids or any other useless material that is generated during drilling, well or production operations, including used or surplus drilling fluid and drill cuttings and produced water (déchets). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance 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: 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 Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsWaste Oil
Definition(s)
Waste Oil
"Waste oil" shall include, but not be limited to, crude oil or other hydrocarbons used or produced in the process of drilling for, developing, producing, or processing oil or gas from wells, oil retained on cuttings as a result of the use of oil-based drilling muds, or any residue from any oil storage facility on a producing lease or on a commercial disposal operation or pit. The term "waste oil" shall not include any refined hydrocarbons to which lead has been added. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. RegulationsWaste Oil
Waste oil as mentioned in the third subsection, means used lubricants and similar oils (used in engines, gear boxes, hydraulic systems, transformers, switches etc.) that can no longer be used as originally intended. Source: Guidelines Regarding the Activities Regulations, Norway, updated December 2012. Regulatory GuidanceSuspended
Definition(s)
Suspended
“Suspended”, in relation to a well or part of a well, means a well or part of a well in which drilling or production operations have temporarily ceased (suspension de l’exploitation). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsReuse
Definition(s)
Reuse
"Reuse" is the introduction (or reintroduction) into an industrial, manufacturing, or disposal process of a material which would otherwise be classified as a deleterious substance. A material will be considered "used or reused" if it is either:- Employed as an ingredient (including use as an intermediate) in an industrial, manufacturing, or disposal process to make or recover a product.
- Employed in a particular function or application as an effective substitute for a commercial product or non-deleterious substance.
Reuse
Reuse means the activity of recovering components and materials for further use without reprocessing. Source: Resolution MEPC.219(63), 2012 Guidelines for the Implementation of MARPOL Annex V, 2 March 2012, International Maritime Organization. Regulatory GuidanceReuse
To employ hazardous waste as an ingredient in an industrial process to make a product (other than recovery of distinct components of hazardous waste as separate end products) or effective substitution of hazardous waste for a commercial product used in a particular function or application. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsRecycling
Definition(s)
Recycling
"Recycling" is the reuse, processing, reclaiming, treating, neutralizing, or refining of materials and by-products into a product of beneficial use which, if discarded, would be deleterious substances. Source: Corporation Commission, Oil and Gas Conservation, Oklahoma Administrative Code 165:10, February 2013. RegulationsRecycling
Recycling means the activity of segregating and recovering components and materials for reprocessing. Resolution MEPC.219(63), 2012 Guidelines for the Implementation of MARPOL Annex V, 2 March 2012, International Maritime Organization. Regulatory GuidanceSupport Craft
Definition(s)
Support Craft
“Support craft” means a vessel, vehicle, aircraft, standby vessel or other craft used to provide transportation for or assistance to persons on the site where a work or activity is conducted (véhicule de service). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum 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: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsSupport Craft
“Support craft” means a vessel, vehicle, tug, ship, aircraft, air cushion vehicle, standby vessel or other craft used to provide transport for goods, materials, equipment or personnel or other assistance to the work place. 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. RegulationsSlick Line
Definition(s)
Slick Line
“Slick line” means a single steel cable used to run tools in a well (câble lisse). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsSeafloor
Definition(s)
Seafloor
Interface between the sea and the seabed. Source: API RP 2GEO, Geotechnical Foundation Design Considerations, First Edition, April, 2011, Addendum 1, October 2014. Global Standards Source: API Recommended Practice 2GEO, Geotechnical and Foundation Design Considerations, First Edition, April 2015 (Addendum 1, October 2014). Global StandardsSeafloor
“Seafloor” means the surface of all that portion of land under the sea (fond marin). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsSafety Plan
Definition(s)
Safety Plan
“Safety plan” means the safety plan submitted to the Board under section 6 (plan de sécurité). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsRig Release Date
Definition(s)
Rig Release Date
“Rig release date” means the date on which a rig last conducted well operations (date de libération de l’appareil de forage). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsRelief Well
Definition(s)
Relief Well
“Relief well” means a well drilled to assist in controlling a blow-out in an existing well (puits de secours). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsProration Test
Definition(s)
Proration Test
“Proration test” means, in respect of a development well to which a development plan applies, a test conducted to measure the rates at which fluids are produced from the well for allocation purposes (essai au prorata). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsProduction Project
Definition(s)
Production Project
“Production project” means an undertaking for the purpose of developing a production site on, or producing oil or gas from, a pool or field, and includes any work or activity related to the undertaking (projet de production). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsProduction Control System
Definition(s)
Production Control System
“Production control system” means the system provided to control the operation of, and monitor the status of, equipment for the production of oil and gas, and includes the installation and workover control system (système de contrôle de la production). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsNatural Invironment
Definition(s)
Natural Invironment
“Natural environment” means the physical and biological environment (milieu naturel). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsNatural Invironment
The physical and biological environment. Note: Excerpted from section 1.(1) of the Regulations. 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: 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 GuidanceMulti-pool Well
Definition(s)
Multi-pool Well
“Multi-pool well” means a well that is completed in more than one pool (puits à gisements multiples). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsMinor Injury
Definition(s)
Minor Injury
“Minor injury” means an employment injury for which medical treatment or first aid is provided and excludes a lost or restricted workday injury (blessure sans gravité). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsMinor Injury
“Minor injury” means an employment injury or an occupational disease for which first aid or medical treatment is provided and excludes a disabling injury. 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. RegulationsLost or Restricted Workday Injury
Definition(s)
Lost or Restricted Workday Injury
“Lost or restricted workday injury” means an injury that prevents an employee from reporting for work or from effectively performing all the duties connected with the employee’s regular work on any day subsequent to the day on which the injury occurred whether or not that subsequent day is a working day for that employee (blessure entraînant une perte de temps de travail). Source: Canada Oil and Gas Drilling and Production Regulations, SOR/2009-315, February 2013. Regulations Source: Drilling and Production Guidelines, The Canada-Nova Scotia Offshore Petroleum Board and Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada, March 31, 2011. Regulatory Guidance Source: Nova Scotia Offshore Petroleum Drilling and Production Regulations, SOR/2009-317, Canada, current to May 31, 2012. RegulationsFormation Flow Test
Definition(s)
Formation Flow Test
“Formation flow test” means an operation- to induce the flow of formation fluids to the surface of a well to procure reservoir fluid samples and determine reservoir flow characteristics; or
- to inject fluids into a formation to evaluate injectivity (essai d’écoulement de formation).