Oil and Gas Glossary and Definitions VERSION 1.11: December 2020 Page: 1 BC Oil and Gas Commission Version 1.11 published: December 2020 Uncontrolled copy once downloaded GoTo: A B C D E F G H I J K L M N O P Q R S T U V WXYZ | Acronyms | BCOGC.CA Glossary and Definitions The Commission produces manuals, guidelines, forms and additional information to support industry in applying for and operating, oil and gas activities in British Columbia. The Oil and Gas Activity Application and Operations Manual detail application and regulatory requirements with which applicants and permit holders must comply. Technical guidance documents detail best practices for operating in the industry. This Glossary and Definitions is an additional resource to accompany the manuals, guidelines and forms in applying for a permit and adhering to the regulatory and reporting requirements during construction and operations. The Glossary and Definitions is broken down alphabetically, and also by section relevant to industry activity. An acronym listing provides common abbreviations used by the Commission and the Regulations and Legislation page echoes the regulations and legislation applicants and permit holders must comply with depending on the oil and gas activity. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Terms Common to Facilities Terms Common to LNG Facilities Terms Common to Oil and Gas Measurement Terms Common to Pipelines Acronyms Regulations and Legislation Page: 2 BC Oil and Gas Commission Version 1.11 published: December 2020 Uncontrolled copy once downloaded GoTo: A B C D E F G H I J K L M N O P Q R S T U V WXYZ | Acronyms | BCOGC.CA A Abandoned well A well permanently closed off when no viable hydrocarbons are discovered or it is depleted and no longer capable of producing profitably. The well is permanently plugged downhole, producing subsurface formations have been isolated and permanently plugged and is basically permanently decommissioned. Abandonment Converting a drilled well to a condition that can be left indefinitely without further attention and will not damage freshwater supplies, potential petroleum reservoirs, or the environment as per Part 5 of the Drilling and Production Regulation. Acid Gas A natural gas or any other gas mixture containing significant quantities of hydrogen sulfide (H2S), carbon dioxide (CO2), or similar contaminants. Activity An activity includes: Wells, Pipelines, Facilities, Roads, Geophysical Programs, Associated Oil & Gas Activities, CER Related Ancillaries, CER Pipeline Rights of Way, CER Road Rights of Way, Short Term Water Use and Changes In and About a Stream. OGAA Activities include Wells, Roads, Facilities, Pipelines, Geophysical Programs. Related Activities include: AOGA (Associated Oil and Gas Activities), Short Term Water Use and Changes in and about a Stream. CER Activities include CER Roads, CER Pipeline Rights of Way, and CER Related Ancillaries. Administration boundaries Administration boundaries established through consultation agreements guide consultation for each First Nations community. Where there is no agreement in place, the boundaries are guided by the Provincial Consultation Boundaries. Agricultural Land Reserve (ALR) A provincial zone where agriculture is recognized as the priority use. Farming is encouraged and non-agricultural uses are controlled. Agricultural Land Commission (ALC) The B.C. provincial agency responsible for the administration of the ALR. Aggregate operations The excavation of clay, gravel, rock, sand or soil used in the construction or maintenance of oil and gas infrastructure, but not sourced from a borrow pit. Aggregate operations are a mining activity to which the Mines Act applies. Oil and Gas Aggregate Operation are defined as the excavation or quarrying of aggregate that: produces material solely for the construction and maintenance of Page: 3 BC Oil and Gas Commission Version 1.11 published: December 2020 Uncontrolled copy once downloaded GoTo: A B C D E F G H I J K L M N O P Q R S T U V WXYZ | Acronyms | BCOGC.CA oil and gas infrastructure; is not located within a construction corridor; does not produce materials for sale to or use by any party other than for the permit holder, or the holder of an approval referred to in Section 9 of OGAA, with authorization for its use; does not produce sand for use in hydraulic fracturing; and is subject to the requirements of the Health, Safety, and Reclamation Code for Mines in British Columbia. ALC-OGC Delegation Agreement A signed agreement between the ALC and the Commission. It issues limited delegated authority to the Commission to authorize non-farm use of agricultural lands for oil and gas activities within the Northern Rockies and Peace River Regional Districts. Amendment An application to add, modify or change a permissioned activity. Ancillary aquifer The underground layer of water-soaked sand and rock acting as a water source for a well. Anomaly investigation Investigative excavations in follow-up areas of interest / concern identified by inline tool inspection. Applicant A company or operator is referred to as the applicant prior to and during the application phase while seeking an oil and gas and associated activity permit. Application A person can apply to the Commission for an oil and gas permit by submitting an application in the form and manner the Commission requires. An application can include one (a single activity) or more activities submitted as a bundle (multi- activity). The application must include specific legal locations and detailed technical information with all other required information for all the activities applied in order for the application to be reviewed and a determination made. Regardless of the number of activities applied for within one application; one permit will be issued. Application Determination Number (AD) An Application Determination number is assigned to an application upon determination. Only one AD number is assigned per project. Permit holders must reference the original AD number when applying for an amendment. Application Management System (AMS) The Commission’s online system applicants use to submit oil and gas and associated activity applications. Area-based analysis (ABA) A framework for managing the cumulative impacts of oil and gas development. More information available at http://www.bcogc.ca/public-zone/area-based- analysis-aba. Page: 4 BC Oil and Gas Commission Version 1.11 published: December 2020 Uncontrolled copy once downloaded GoTo: A B C D E F G H I J K L M N O P Q R S T U V WXYZ | Acronyms | BCOGC.CA Archaeological impact assessment (AIA) Archaeological field work conducted prior to any development activity. As-built documents Collection of drawings, or other related material that describes the specifications of an asset that has been constructed. Page: 5 BC Oil and Gas Commission Version 1.11 published: December 2020 Uncontrolled copy once downloaded GoTo: A B C D E F G H I J K L M N O P Q R S T U V WXYZ | Acronyms | BCOGC.CA B BCGS Maps The name of the complete set of maps and plans illustrating in detail the location and extent of planned activities at an appropriate scale required by applicants. Barrel (bbl) A measure of volume for petroleum products. One barrel is the equivalent of 35 imperial gallons or 42 U.S. gallons or 0.15899 cubic metres (9,702 cubic inches). One cubic metre equals 6.2897 barrels. Battery site A gas or oil facility with product separation and multiphase delivery point measurement (as defined in the BCOGC Measurement Requirements for Upstream Oil and Gas Operations Guideline) for one or more wells. Drilling & Production Regulation definition: a battery means a system or arrangement of tanks or other surface equipment receiving the effluents of one or more wells prior to delivery to market or other disposition, and may include equipment or devices for separating the effluents into petroleum, natural gas or water and for measurement. Examples include: Single oil well with solution gas flared and oil tanked on site. Multi-well battery with a test and group separator. Temporary gas well test unit producing marketable hydrocarbons trucked to a TRD (Treatment, Recovery & Disposal) facility. Water source well installation for oil and gas drilling, completions, or enhanced recovery production operations. Best practices The management practices or techniques recognized to be the most effective and practical means to develop an oil and gas resource, while minimizing adverse environmental and other effects. Biogeoclimatic Ecosystem Classification (BEC) An ecological framework and language for ecosystem management in British Columbia. BEC provides a multi-scale classification framework to describe broad biogeoclimatic zones used for applications such as protected area and land management planning, forest pest risk and wildlife habitat management. The BEC program, managed by the Ministry of Forests, Lands and Natural Resource Operations (FLNRO), is continually being updated and as such, the biogeoclimatic zones, names and spatial distribution may change from time to time. The EPMR references the BEC zones at the time the Regulation was created; however, the names and distribution of the zones have changed since then and the new zones should be used when applying the requirements in the EPMR. Page: 6 BC Oil and Gas Commission Version 1.11 published: December 2020 Uncontrolled copy once downloaded GoTo: A B C D E F G H I J K L M N O P Q R S T U V WXYZ | Acronyms | BCOGC.CA Blowout An uncontrolled flow of gas, oil, or other fluids from a well. Blowout preventer (BOP) Equipment installed on the wellhead to prevent the escape of fluids under pressure from the wellbore during drilling, completion, or workover operations. The BOP stack incorporates different sets of hydraulic rams enabling the well to be sealed with or without pipe in the hole, pumping of fluids into the well under pressure, and controlled release of fluids from the well.