Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Testing Onboard
Definition(s)
Testing Onboard
Testing onboard – testing carried out on a sewage treatment plant that has been installed upon a ship. Source: Resolution MEPC.159(55), Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants, 13 October 2006, International Maritime Organization Regulatory GuidanceGreywater
Definition(s)
Greywater
Greywater – is drainage from dishwater, shower, laundry, bath and washbasin drains. Source: Resolution MEPC.159(55), Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants, 13 October 2006, International Maritime Organization Regulatory GuidanceGeometric Mean
Definition(s)
Geometric Mean
Geometric mean – the nth root of the product of n numbers Source: Resolution MEPC.159(55), Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants, 13 October 2006, International Maritime Organization Regulatory GuidanceAnnex IV
Definition(s)
Annex IV
Annex IV – the revised Annex IV of the International Convention for the Prevention of Pollution from Ships (MARPOL 73/78) as amended by resolution MEPC.115(51). Source: Resolution MEPC.159(55), Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants, 13 October 2006, International Maritime Organization Regulatory GuidanceSwept Volume
Definition(s)
Swept Volume
Swept volume means ship breadth x draft x distance travelled. Source: Resolution MEPC.157(55), Recommendation on standards for the rate of discharge of untreated sewage from ships, 13 October 2006, International Maritime Organization. Regulatory GuidanceSampling Facilities
Definition(s)
Sampling Facilities
Sampling Facilities - refers to the means provided for sampling treated or untreated ballast water as needed in these Guidelines. Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidanceSampling Facilities
“Sampling Facilities” means the equipment installed to take the sample. Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidanceSampling Facilities
Sampling Facilities refers to the means provided for sampling treated or untreated ballast water as needed in these Guidelines and in the “Guidelines for ballast water sampling (G2)” developed by the Organization. Source: Resolution MEPC.174(58), revised Guidelines for approval of ballast water management systems (G8), 10 October 2008, International Maritime Organization. Regulatory GuidanceMonitoring Equipment
Definition(s)
Monitoring Equipment
Monitoring Equipment - refers to the equipment installed for assessment of the correct operation of the prototype ballast water treatment technology. Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidanceMonitoring Equipment
Monitoring Equipment refers to the equipment installed for the assessment of the effective operation of the ballast water treatment equipment. Source: Resolution MEPC.174(58), revised Guidelines for approval of ballast water management systems (G8), 10 October 2008, International Maritime Organization. Regulatory GuidanceControl Equipment
Definition(s)
Control Equipment
Control Equipment refers to the installed equipment required to operate and control the ballast water treatment equipment. Source: Resolution MEPC.174(58), revised Guidelines for approval of ballast water management systems (G8), 10 October 2008, International Maritime Organization. Regulatory GuidanceControl Equipment
Class that includes distributed control systems, programmable logic controllers, SCADA systems, associated operator interface consoles, and field sensing and control devices used to manage and control the process.- NOTE: The term also includes field bus networks where control logic and algorithms are executed on intelligent electronic devices that coordinate actions with each other, as well as systems used to monitor the process and the systems used to maintain the process.
Control Equipment
Control Equipment - refers to the installed equipment required for proper functioning of the prototype ballast water treatment technology. Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidanceBallast Water Management Plan
Definition(s)
Ballast Water Management Plan
Ballast Water Management Plan - is the document referred to in regulation B-1 of the Convention describing the ballast water management processes and procedures on board individual ships. Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidancePrototype Ballast Water Treatment Technology
Definition(s)
Prototype Ballast Water Treatment Technology
Prototype Ballast Water Treatment Technology Prototype Ballast Water Treatment Technology - means any integrated system of ballast water treatment equipment as under regulation D-4, participating in a programme for testing and evaluation with the potential of meeting or exceeding the ballast water performance standard in regulation D-2 including treatment equipment, all associated control equipment, monitoring equipment and sampling facilities. A prototype ballast water treatment technology may be a mechanical, physical, chemical, or biological unit process, either singularly or in combination that may or may not use Active Substances that remove, render harmless, or avoid the uptake or discharge of Harmful Aquatic Organisms and Pathogens within ballast water and sediments. Prototype ballast water treatment technologies may operate at the uptake or discharge of ballast water, during the voyage or in any combination of these phases. Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidanceNew Technology
Definition(s)
New Technology
New technology is technology that is not proven. This implies that the application of proven technology in a new environment or an unproven technology in a known environment, are both new technology. The degree of new technology can be classified in categories to be used as input to risk assessments (see DNV RP-A203). Source: API SPEC 17E, Specification for Subsea Umbilicals, Upstream Segment, Fourth Edition, October 2010. Global StandardsNew Technology
New technology as mentioned in the first subsection, may be new products, analysis tools or known products used in a new way. Source: Guidelines Regarding the Facilities Regulations, Norway, updated December 2012. Regulatory GuidanceExclusive Economic Zone
Definition(s)
Exclusive Economic Zone
The exclusive economic zone is an area beyond and adjacent to the territorial sea, subject to the specific legal regime established in this Part, under which the rights and jurisdiction of the coastal State and the rights and freedoms of other States are governed by the relevant provisions of this Convention Source: United Nations Convention on the Law of the Sea (UNCLOS), 1982. LegislationExclusive Economic Zone
Exclusive economic zone means the exclusive economic zone as defined by article 55 of the United Nations Convention on the Law of the Sea. Source: IMO Resolution MSC.255(84), Code of the International Standards and Recommended Practices for a Safety Investigation into a Marine Casualty or Marine Incident (Casualty Investigation Code), 16 May 2008, International Maritime Organization. Regulatory GuidanceDilution Method
Definition(s)
Dilution Method
Dilution method – a process by which replacement ballast water is filled through the top of the ballast tank intended for the carriage of ballast water with simultaneous discharge from the bottom at the same flow rate and maintaining a constant level in the tank through out the ballast exchange operation. Source: Resolution MEPC.124(53), Guidelines for ballast water exchange (G6), 22 July 2005, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.149(55), Guidelines for ballast water exchange design and construction standards (G11), 13 October 2006, International Maritime Organization. Regulatory GuidanceFlow-through Method
Definition(s)
Flow-through Method
Flow-through method – a process by which replacement ballast water is pumped into a ballast tank intended for the carriage of ballast water, allowing water to flow through overflow or other arrangements. Source: Resolution MEPC.124(53), Guidelines for ballast water exchange (G6), 22 July 2005, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.149(55), Guidelines for ballast water exchange design and construction standards (G11), 13 October 2006, International Maritime Organization. Regulatory GuidanceSequential Method
Definition(s)
Sequential Method
Sequential method – a process by which a ballast tank intended for the carriage of ballast water is first emptied and then refilled with replacement ballast water to achieve at least a 95 per cent volumetric exchange. Source: Resolution MEPC.124(53), Guidelines for ballast water exchange (G6), 22 July 2005, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.149(55), Guidelines for ballast water exchange design and construction standards (G11), 13 October 2006, International Maritime Organization. Regulatory GuidanceBallast Water Tank
Definition(s)
Ballast Water Tank
“Ballast Water Tank” – means any tank, hold, or space used for the carriage of ballast water. Source: Resolution MEPC.124(53), Guidelines for ballast water exchange (G6), 22 July 2005, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.127(53), Guidelines for ballast water management and development of ballast water management plans (G4), 22 July 2005, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.149(55), Guidelines for ballast water exchange design and construction standards (G11), 13 October 2006, International Maritime Organization. Regulatory GuidanceBallast Water Tank
“Ballast Water Tank” – means any tank, hold or space used for the carriage of ballast water as defined in Article 1 of the Convention. Source: Resolution MEPC.149(55), Guidelines for sediment reception facilities (G1), 13 October 2006, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.209(63), 2012 Guidelines on design and construction to facilitate sediment control on ships (G12), 2 March 2012, International Maritime Organization. Regulatory GuidanceWell
Definition(s)
Well
"Well"- means a hole penetrating the earth, usually cased with steel pipe, and
- from which oil or gas, or both, or geothermal resources, is obtained or obtainable; or
- that is made for the purpose of finding or obtaining oil, gas, or geothermal resources, or of supporting oil, gas, or geothermal resources production; and
- includes a well with multiple well branches drilled to different bottom-hole locations.
Well
“Well” means any borehole, whether drilled or bored, for stratigraphic exploration or for the production, extraction or injection of any gas or liquid mineral, excluding potable water to be used as such, but including natural or artificial brines and oil field waters, sewage, and any liquid used in or resulting from any process of industry, manufacture, trade, business, or agriculture. Source: Division of Mineral Resources Management - Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. RegulationsWell
“Well” means any borehole, whether drilled or bored, within the state, for production, extraction, or injection of any gas or liquid mineral, excluding potable water to be used as such, but including natural or artificial brines and oil field waters. Source: Division of Mineral Resources Management - Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. RegulationsWell
“Well" means any opening in the ground (not being a seismic shot hole) that is made, is to be made or is in the process of being made, by drilling, boring or other method,- for the production of petroleum,
- for the purpose of searching for or obtaining petroleum,
- for the purpose of obtaining water to inject into an underground formation,
- for the purpose of injecting gas, air, water or other substance into an under ground formation,
- for any purpose, if made through sedimentary rocks to a depth of at least one hundred and fifty metres.
Well
Well―all wells drilled within the confines of any unit(s) sought to be terminated. Source: Natural Resources, Office of Conservation – General Operations, Louisiana Administrative Code, Title 43, Part XIX, March 2013. RegulationsWell
Well includes all equipment located downhole from a well. Examples:- Equipment leading to a blow-out preventer.
- Equipment leading to a well head.
- Equipment leading to a Christmas Tree.
Well
Well means a hole in the seabed or subsoil made by drilling, boring or any other means in connection with:- exploration for petroleum; or
- petroleum recovery operations; or
- exploration for potential greenhouse gas storage formations; or
- exploration for potential greenhouse gas injection sites; or
- the injection of a greenhouse gas substance into an identified greenhouse gas storage formation; or
- the injection, on an appraisal basis, of a greenhouse gas substance into a part of a geological formation; or
- the injection, on an appraisal basis, of air, petroleum or water into a part of a geological formation;
Well
Well includes well-related equipment associated with a well. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. LegislationWell
WELL when used alone in these Rules and Regulations, shall mean an oil or gas well, a hole drilled for the purpose of producing oil or gas, a well into which fluids are injected, a stratigraphic well, a gas storage well, or a well used for the purpose of monitoring or observing a reservoir. Source: Oil and Gas Conservation Commission, Practice and Procedure, Code of Colorado Regulations, 2 CCR 404-1, February 2013. RegulationsWell
“Well” means a well bore with single or multiple completions, including all horizons and producing formations from the surface to total depth. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsWell
A well drilled for any purpose related to exploration for or production or storage of oil or gas or geothermal resources, including a well drilled for injection of fluids to enhance hydrocarbon recovery, disposal of produced fluids, disposal of waste from exploration or production activity, or brine mining. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsWell
A well as defined in Texas Natural Resources Code, Chapter 89. Source: Oil and Gas Division, Texas Administrative Code, Title 16, Chapter 3, February 2013. RegulationsWell
a well made by drilling; and a borehole drilled with a view to the extraction of minerals through it or another well Regulation 2, DCR. Source: Oil & Gas UK, Guidelines on subsea BOP systems, Issue 1, July 2012, Global StandardsWell
"Well" means a hole in the ground:- made, or being made, by drilling, boring, or in any other manner, and from which oil or gas is obtained, or is obtainable; or is for the purpose of attempting to obtain oil or gas;
- made, or being made, by drilling or boring for the purpose of obtaining water to inject to an underground formation;
- used, drilled, or being drilled for the purpose of injecting gas, air, water or other substance to an underground formation;
- which is a test-hole, excluding seismic drilling; or
- drilled or being drilled, for any other purpose than listed above using equipment and machinery normally used for oil and gas well drilling.