Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Interested Province
Definition(s)
Interested Province
For the purposes of this section and sections 47, 48, 50 and 51, "interested province" means- a province in which the project is to be carried out; or
- a province that claims that significant adverse environmental effects may occur in that province as a result of the project.
Internal Waters
Definition(s)
Internal Waters
Except as provided in Part IV, waters on the landward side of the baseline of the territorial sea form part of the internal waters of the state. Source: United Nations Convention on the Law of the Sea (UNCLOS), 1982. LegislationInternational Bulk Chemical Code
Definition(s)
International Bulk Chemical Code
International Bulk Chemical Code means the International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk adopted by the Marine Environment Protection Committee of the Organization by resolution MEPC.19(22), as amended by the Organization, provided that such amendments are adopted and brought into force in accordance with the provisions of article 16 of the present Convention concerning amendment procedures applicable to an appendix to an Annex. <Annex II, Chapter 1, Regulation 1>. Source: Resolution MEPC.118(52), amendments to the Annex of the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships, 1973 (Revised Annex II of MARPOL 73/78), 15 October 2004, International Maritime Organization. LegislationInternational Life-Saving Appliance (LSA) Code
Definition(s)
International Life-Saving Appliance (LSA) Code
International Life-Saving Appliance (LSA) Code (referred to as "the Code" in this chapter) means the International Life-Saving Appliance (LSA) Code adopted by the Maritime Safety Committee of the Organization by resolution MSC.48(66), as it may be amended by the Organization, provided that such amendments are adopted, brought into force and take effect in accordance with the provisions of article VIII of the present Convention concerning the amendment procedures applicable to the Annex other than chapter I. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. LegislationInternational Power Line
Definition(s)
International Power Line
“International power line” means facilities constructed or operated for the purpose of transmitting electricity from or to a place in Canada to or from a place outside Canada; ligne internationale de transport d’électricité or ligne internationale. Source: National Energy Board Act, R.S.C., 1985, c. N-7, Canada, current to April 29, 2013. LegislationInternational Seabed Agreement
Definition(s)
International Seabed Agreement
International Seabed Agreement means:- the Agreement between Australia and Indonesia establishing certain seabed boundaries signed at Canberra on 18 May 1971; or
- the Agreement between Australia and Indonesia establishing certain seabed boundaries in the area of the Timor and Arafura Seas supplementary to the Agreement referred to in paragraph (a) and signed at Jakarta on 9 October 1972; or
- the Agreement between Australia and Indonesia concerning certain boundaries between Papua New Guinea and Indonesia signed at Jakarta on 12 February 1973; or
- the Treaty between Australia and the Independent State of Papua New Guinea concerning sovereignty and maritime boundaries in the area between the 2 countries, including the area known as the Torres Strait, and related matters that was signed at Sydney on 18 December 1978; or
- the New Zealand boundary treaty.
International Voyage
Definition(s)
International voyages
International voyages means voyages in international waters, as defined in chapter I of the 1974 SOLAS Convention, as amended. Source: IMO resolution A.1021(26), Guidelines for ships operating in polar waters, 18 January 2010, International Maritime Organization, Regulatory GuidanceInternational voyage
“International voyage” means a voyage by a ship entitled to fly the flag of one State to or from a port, shipyard, or offshore terminal under the jurisdiction of another State. Source: International Convention on the Control of Harmful Anti-fouling Systems on Ships,2001, LegislationInternational voyage
“International voyage” has the same meaning as stated in Regulation 2(d) of part A, chapter I in the International Convention for Safety of Life at Sea, 1974. (SOLAS 74), which is: “a voyage from a country to which the present Convention applies to a port outside such country, or conversely. The Coast Guard has interpreted this definition to include the following:- A voyage from a country to which SOLAS 1974 applies, to a port outside that country or the reverse;
- A voyage from any territory, including the Commonwealth of Puerto Rico, all possesssions of the United States, and all lands held by the United States under a protectorate or mandate, whose international relations are the responsibility of a contracting SOLAS 74 government, or which is administered by the United Nations, to a port outside that territory or the reverse.
International voyages
"International voyage" means a voyage by a ship entitled to fly the flag of one State to or from a port, shipyard, or offshore terminal under the jurisdiction of another State. Source: Source: Resolution MEPC.195(61), 2010 Guidelines for Survey and Certification of Anti-fouling Systemson Ships, 1 October 2010, International Maritime Organization. Regulatory GuidanceInterprovincial Power Line
Definition(s)
Interprovincial Power Line
“Interprovincial power line” means facilities constructed or operated for the purpose of transmitting electricity from a place in a province to a place in Canada outside that province; ligne interprovinciale de transport d’électricité or ligne interprovinciale. Source: National Energy Board Act, R.S.C., 1985, c. N-7, Canada, current to April 29, 2013. LegislationInvestment
Definition(s)
Investment
Investment is deemed to mean the commitment of obligations with respect to the purchase of capital equipment, and the making of production costs with respect to a capital equipment, to the extent those obligations and costs are for the account of the holder or the co-holder. Source: Mining Act of the Netherlands, Netherlands, 2003 (as amended up to 2012). LegislationInvestment Tax Credit
Definition(s)
Investment Tax Credit
“Investment tax credit” has the meaning assigned by subsection 127(9) of the Income Tax Act; crédit d’impôt à l’investissement. Source: Canada-Nova Scotia Offshore Petroleum Resources Accord Implementation Act, S.C. 1988, c. 28, Canada, current to May 26, 2013. LegislationIrrational Emission Control Strategy
Definition(s)
Irrational Emission Control Strategy
Irrational emission control strategy means any strategy or measure that, when the ship is operated under normal conditions of use, reduces the effectiveness of an emission control system to a level below that expected on the applicable emission test procedures. 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. LegislationISPS Code
Definition(s)
ISPS Code
ISPS Code means the International Ship and Port Facility Security (ISPS) Code adopted on 12 December 2002, by resolution 2 of the Conference of Contracting Governments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, as may be amended by the Organization <Chapter I, regulation I/1>. Source: IMO Resolution MSC.203(81), amendments to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, 18 May 2006, International Maritime Organization. Legislation 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 GuidanceJoint Authority
Definition(s)
Joint Authority
Joint Authority has the meaning given by section 56 and, when used in the expression the Joint Authority, means the Joint Authority for the offshore area concerned. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. LegislationJoint Petroleum Development Area
Definition(s)
Joint Petroleum Development Area
Joint Petroleum Development Area has the same meaning as in the Petroleum (Timor Sea Treaty) Act 2003. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. LegislationJurisdiction
Definition(s)
Jurisdiction
A legally constituted government administration that may adopt rules relating to pressure vessels. Source: API 510, Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration, Tenth Edition, May 2014, with Addendum May 2017. Global Standards Source: API 510, Pressure Vessel Inspection Code: In-Service Inspection, Rating, Repair, and Alteration Downstream Segment, Ninth Edition, June 2006. Global StandardsJurisdiction
A legally constituted governmental administration that may adopt rules relating to process piping systems.
Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global StandardsJurisdiction
For the purposes of this section and sections 41 and 42, "jurisdiction" includes- a federal authority;
- the government of a province;
- any other agency or body established pursuant to an Act of Parliament or the legislature of a province and having powers, duties or functions in relation to an assessment of the environmental effects of a project;
- any body established pursuant to a land claims agreement referred to in section 35 of the Constitution Act, 1982 and having powers, duties or functions in relation to an assessment of the environmental effects of a project;
- a government of a foreign state or of a subdivision of a foreign state, or any institution of such a government; and
- an international organization of states or any institution of such an organization.
Just Terms
Definition(s)
Just terms
Just terms has the same meaning as in paragraph 51(xxxi) of the Constitution. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. LegislationKeel Line
Definition(s)
Keel Line
Keel line is a line parallel to the slope of the keel passing amidships through: .1 the top of the keel at centreline or line of intersection of the inside of shell plating with the keel if a bar keel extends below that line, on a ship with a metal shell; or .2 in wood and composite ships, the distance is measured from the lower edge of the keel rabbet. When the form at the lower part of the midship section is of a hollow character, or where thick garboards are fitted, the distance is measured from the point where the line of the flat of the bottom continued inward intersects the centreline amidships. . <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. LegislationKerosene or Superior Kerosene Oil
Definition(s)
Kerosene or Superior Kerosene Oil
“Kerosene or superior kerosene oil” means a middle distillate mixture of hydrocarbons which conforms to such specifications, as the Central Government may, in consultation with the Bureau of Indian Standards, notify from time to time. Source: The Petroleum and Natural Gas Regulatory Board Act, 2006, No. 19 of 2006, India, amended as of May 2013. LegislationKey Greenhouse Gas Operation
Definition(s)
Key greenhouse gas operation
Key greenhouse gas operation means:- an operation to make a well; or
- an operation to inject, on an appraisal basis, a greenhouse gas substance into a part of a geological formation; or
- an operation to store, on an appraisal basis, a greenhouse gas substance in a part of a geological formation; or
- an operation to inject, on an appraisal basis, air, petroleum or water into a part of a geological formation; or
- an operation to store, on an appraisal basis, air, petroleum or water in a part of a geological formation; or
- an operation to carry out a seismic survey or any other kind of survey; or
- an operation to monitor the behaviour of:
- a greenhouse gas substance; or
- air; or
- (petroleum; or
- water; stored in a part of a geological formation; or
- an operation to carry out baseline investigations relating to the storage of a greenhouse gas substance in a part of the geological formation; or
- an operation to take samples of the seabed or subsoil of an offshore area; or
- an operation specified in the regulations.
Key Petroleum Operation
Definition(s)
Key petroleum operation
Key petroleum operation means:- an operation to make a well; or
- an operation to inject a substance into a part of a geological formation; or
- an operation to store a substance in a part of a geological formation; or
- an operation to carry out a seismic survey or any other kind of survey; or
- an operation to monitor the behaviour of a substance stored in a part of a geological formation; or
- an operation to take samples of the seabed or subsoil of an offshore area; or
- an operation specified in the regulations.
Lands
Definition(s)
Lands
“Lands” means lands the acquiring, taking or using of which is authorized by this Act or a Special Act, and includes real property and any interest or right in real property or land and, in the Province of Quebec, any immovable, any right in an immovable and the right of a lessee in respect of any immovable. Those interests and rights may be in, to, on, under, over or in respect of those lands; terrains. Source: National Energy Board Act, R.S.C., 1985, c. N-7, Canada, current to April 29, 2013. LegislationLands in Respect of Which Indians have Interests
Definition(s)
Lands in Respect of Which Indians have Interests
For the purposes of this section, "lands in respect of which Indians have interests" means (a) land areas that are subject to a land claim accepted by the Government of Canada for negotiation under its comprehensiveland claims policy and that- for the purposes of land claim settlement have been withdrawn from disposal, under the Territorial Lands Act in the case of land areas situated in the Northwest Territories or Nunavut, or under a law of the Legislature of Yukon in the case of land areas situated in Yukon, or
- in the case of land areas situated in a province, have been agreed on for selection by the Government of Canada and the government of the province; and
- land areas that belong to Her Majesty or in respect of which Her Majesty has the right to dispose and that have been identified and agreed on by Her Majesty and an Indian band for transfer to settle claims based on
- an outstanding lawful obligation of Her Majesty towards an Indian band pursuant to the specific claims policy of the Government of Canada, or
- treaty land entitlement.
Lands, Land Areas or Reserves
Definition(s)
Lands, Land Areas or Reserves
For the purposes of this section, a reference to any lands, land areas or reserves includes a reference to all waters on and air above those lands, areas or reserves. Source: Canadian Environmental Assessment Act, 1992, c. 37, Canada, as consolidated November 2003. LegislationLaunching Appliance
Definition(s)
Launching Appliance or Launching Arrangement
Launching appliance or launching arrangement means the method or devices for transferring a survival craft or rescue boat from its stowed position to the water. For a launching arrangement using a davit, the term includes the davit, winch, and falls. Source: Mobile Offshore Drilling Units, 46 CFR 107-109 (2013). RegulationsLaunching Appliance
Launching appliance or arrangement is a means of transferring a survival craft or rescue boat from its stowed position safely to the water. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. LegislationLaunching Arrangement
Definition(s)
Launching Appliance or Launching Arrangement
Launching appliance or launching arrangement means the method or devices for transferring a survival craft or rescue boat from its stowed position to the water. For a launching arrangement using a davit, the term includes the davit, winch, and falls. Source: Mobile Offshore Drilling Units, 46 CFR 107-109 (2013). RegulationsLaunching Arrangement
Launching appliance or arrangement is a means of transferring a survival craft or rescue boat from its stowed position safely to the water. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. LegislationLaunching Ramp Angle
Definition(s)
Launching Ramp Angle
Launching ramp angle is the angle between the horizontal and the launch rail of the lifeboat in its launching position with the ship on even keel. Source: IMO Resolution MSC.48(66), adoption of the International Life-Saving Appliance (LSA) Code, 4 June 1996, International Maritime Organization. LegislationLaunching Ramp Length
Definition(s)
Launching Ramp Length
Launching ramp length is the distance between the stern of the lifeboat and the lower end of the launching ramp. Source: IMO Resolution MSC.48(66), adoption of the International Life-Saving Appliance (LSA) Code, 4 June 1996, International Maritime Organization. LegislationLaw
Definition(s)
Law
Law includes a part of a law. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. LegislationLaws
For the purposes of this Part, laws include:- written laws; and
- unwritten laws (for example, the common law); and
- instruments having effect under laws.