Oil And Gas Acronyms Pdf

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List of abbreviations in oil and gas exploration and production

To cease work on a well which is non-productive, to plug off the well with cement plugs and salvage all recoverable equipment. Also used in the context of field abandonment. Associated gas Natural gas produced with crude oil from the same reservoir.

It requires government approval before it can be implemented. Appraisal Well A well drilled as part of an appraisal drilling programme which is carried out to determine the physical extent, reserves and likely production rate of a field. Associated Gas Natural gas associated with oil accumulations, which may be dissolved in the oil at reservoir conditions or may form a cap of free gas above the oil.

Barrel A unit of volume measurement used for petroleum and its products 7. Block A North Sea acreage sub-division measuring approximately 10 x 20 kms, forming part of a quadrant. Blow-down Condensate and gas is produced simultaneously from the outset of production. Blow-out preventers BOPs are high pressure wellhead valves, designed to shut off the uncontrolled flow of hydrocarbons. Blow-out When well pressure exceeds the ability of the wellhead valves to control it.

Casing Metal pipe inserted into a wellbore and cemented in place to protect both subsurface formations such as groundwater and the wellbore. A surface casing is set first to protect groundwater. The production casing is the last one set. The production tubing through which hydrocarbons flow to the surface will be suspended inside the production casing. Casing string The steel tubing that lines a well after it has been drilled. It is formed from sections of steel tube screwed together.

Christmas tree The assembly of fittings and valves on the top of the casing which control the production rate of oil. Completion The installation of permanent wellhead equipment for the production of oil and gas.

Condensate Hydrocarbons which are in the gaseous state under reservoir conditions and which become liquid when temperature or pressure is reduced. A mixture of pentanes and higher hydrocarbons.

Crane barge A large barge, capable of lifting heavy equipment onto offshore platforms. Creaming Theory A statistical technique which recognises that in any exploration province after an initial period in which the largest fields are found, success rates and average field sizes decline as more exploration wells are drilled and knowledge of the area matures. Cuttings Rock chippings cut from the formation by the drill bit, and brought to the surface with the mud.

Used by geologists to obtain formation data. Compressor An engine used to increase the pressure of natural gas so that it will flow more easily through a pipeline. Derrick The tower-like structure that houses most of the drilling controls. Development well A well drilled within the proved area of an oil or gas reservoir to the depth of a stratigraphic horizon known to be productive; a well drilled in a proven field for the purpose of completing the desired spacing pattern of production.

Downhole A term used to describe tools, equipment, and instruments used in the wellbore, or conditions or techniques applying to the wellbore. Downstream When referring to the oil and gas industry, this term indicates the refining and marketing sectors of the industry. More generically, the term can be used to refer to any step further along in the process.

Drill cuttings The small pieces of rock created as a drill bit moves through underground formations while drilling. Drilling rig A drilling unit that is not permanently fixed to the seabed, e. Also means the derrick and its associated machinery. Dry gas Natural gas composed mainly of methane with only minor amounts of ethane, propane and butane and little or no heavier hydrocarbons in the gasoline range. Dry hole Any exploratory or development well that does not find commercial quantities of hydrocarbons.

Enhanced oil recovery EOR A process whereby oil is recovered other than by the natural pressure in a reservoir. Refers to a variety of processes to increase the amount of oil removed from a reservoir, typically by injecting a liquid e. Exploration well Drilling carried out to determine whether hydrocarbons are present in a particular area or structure.

Farm in When a company acquires an interest in a block by taking over all or part of the financial commitment for drilling an exploration well. Fishing Retrieving objects from the borehole, such as a broken drillstring, or tools. Formation damage The reduction in permeability in reservoir rock due to the infiltration of drilling or treating fluids into the area adjacent to the wellbore.

Formation pressure The pressure at the bottom of a well when it is shut in at the wellhead. Fracturing A method of breaking down a formation by pumping fluid at very high pressure. The objective is to increase production rates from a reservoir. Gas injection The process whereby separated associated gas is pumped back into a reservoir for conservation purposes or to maintain the reservoir pressure.

Gas-to-Liquids GTL The conversion of natural gas to a liquid form so that it can be transported easily. Typically, the liquid is converted back to natural gas prior to consumption. Hydrocarbon A compound containing only the elements hydrogen and carbon. May exist as a solid, a liquid or a gas. The term is mainly used in a catch-all sense for oil, gas and condensate.

Integrated company Indicates a firm that operates in both the upstream and downstream sectors from exploration through refining and marketing. ITF Industry Technology Facilitator; an internationally recognized champion for technology innovation within the oil and gas industry acting as a conduit between technology innovators and the industry. Lease A legal document conveying the right to drill for oil and gas, or the tract of land on which a lease has been obtained where the producing wells and production equipment are located.

Liquefied natural gas LNG Oilfield or naturally occurring gas, chiefly methane, liquefied for transportation. Liquefied petroleum gas LPG Light hydrocarbon material, gaseous at atmospheric temperature and pressure, held in the liquid state by pressure to facilitate storage, transport and handling. Commercial liquefied gas consists essentially of either propane or butane, or mixtures thereof. It also introduces a standard pre-emption regime to give confidence to incoming companies.

Mud A mixture of base substance and additives used to lubricate the drill bit and to counteract the natural pressure of the formation. Midstream A term sometimes used to refer to those industry activities that fall between exploration and production upstream and refining and marketing downstream.

The term is most often applied to pipeline transportation of crude oil and natural gas. Natural Gas Gas, occurring naturally, and often found in association with crude petroleum.

Natural gas liquids NGLs The portions of gas from a reservoir that are liquified at the surface in separators, field facilities, or gas processing plants. Non-associated gas Natural gas produced from a reservoir that does not contain significant quantities of crude oil.

Oil in place An estimated measure of the total amount of oil contained in a reservoir, and, as such, a higher figure than the estimated recoverable reserves of oil. Operator The company that has legal authority to drill wells and undertake production of hydrocarbons.

The operator is often part of a consortium and acts on behalf of this consortium. Permeability The property of a formation which quantifies the flow of a fluid through the pore spaces and into the wellbore. Petroleum A generic name for hydrocarbons, including crude oil, natural gas liquids, natural gas and their products. Permeability A measure of the ability of a rock to transmit fluid through pore spaces. Porosity A ratio between the volume of the pore space in reservoir rock and the total bulk volume of the rock.

The pore space determines the amount of space available for storage of fluids. Primary recovery Recovery of oil or gas from a reservoir purely by using the natural pressure in the reservoir to force the oil or gas out. Produced water The water extracted from the subsurface with oil and gas.

Some produced water is quite fresh and may be used for livestock watering or irrigation where allowed by law. Proven reserves Those reserves which on the available evidence are virtually certain to be technically and economically producible i. Reservoir The underground formation where oil and gas has accumulated.

It consists of a porous rock to hold the oil or gas, and a cap rock that prevents its escape. Riser production The section of pipework that joins a seabed wellhead to the Christmas tree. Roughneck Drill crew members who work on the derrick floor, screwing together the sections of drillpipe when running or pulling a drillstring.

Roustabout Drill crew members who handle the loading and unloading of equipment and assist in general operations around the rig. Royalty A percentage interest in the value of production from a lease that is retained and paid to the mineral rights owner. Secondary recovery Recovery of oil or gas from a reservoir by artificially maintaining or enhancing the reservoir pressure by injecting gas, water or other substances into the reservoir rock.

Separation The process of separating liquid and gas hydrocarbons and water. This is typically accomplished in a pressure vessel at the surface, but newer technologies allow separation to occur in the wellbore under certain conditions. Shutdown A production hiatus during which the platform ceases to produce while essential maintenance work is undertaken. Standard contracts Known formerly as CRINE contracts, standard contracts have been developed by the Standard Contracts Committee and are issued by LOGIC for use within the industry between clients and their contractors, simplifying procedures and saving costs.

Standard agreements State-of-the-art solutions for oil and gas industry agreements and recommended for use by all UKCS licensees. They are user-friendly and easy to implement. In helping simplify operational and transactional procedures, they focus resources and save costs.

Step Change in Safety The UK based partnership with the remit to make the UK the safest oil and gas exploration and production province in the world. Toolpusher Second-in-command of a drilling crew under the drilling superintendent. Responsible for the day-to-day running of the rig and for ensuring that all the necessary equipment is available. Upstream The exploration and production portions of the oil and gas industry.

Wellhead The 1equipment at the surface of a well used to control the pressure; the point at which the hydrocarbons and water exit the ground. Well log A record of geological formation penetrated during drilling, including technical details of the operation. Wet gas Natural gas containing significant amounts of liquifiable hydrocarbons. Wildcat well A well drilled in an area where no current oil or gas production exists.

Workover Operations on a producing well to restore or increase production.

Oilfield Glossary

To cease work on a well which is non-productive, to plug off the well with cement plugs and salvage all recoverable equipment. Also used in the context of field abandonment. Associated gas Natural gas produced with crude oil from the same reservoir. It requires government approval before it can be implemented. Appraisal Well A well drilled as part of an appraisal drilling programme which is carried out to determine the physical extent, reserves and likely production rate of a field. Associated Gas Natural gas associated with oil accumulations, which may be dissolved in the oil at reservoir conditions or may form a cap of free gas above the oil. Barrel A unit of volume measurement used for petroleum and its products 7.

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Acronyms in oil & gas

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Glossary of Terms

This glossary of oil and gas abbreviations will help royalty owners and mineral owners with understanding the definitions of the acronyms used in the Oil and Gas industry. In addition we have a page of Oil and Gas Terms. These are some of the most commonly used oil and gas abbreviations. Bbl, Barrel - In the oil and gas industry, a barrel is 42 U. BCF - The abbreviation for billion cubic feet of gas. BP, Blowout Preventor - Casinghead equipment that prevents the uncontrolled flow of oil, gas and mud from the well by closing around the drill pipe or sealing the hole.

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acronyms related to our Oil & Gas industry is, therefore, to facilitate the life of all young IAOGP – International Association of Oil and Gas Producers. MAPDA – Middle Atlantic PDF – Portable Data Format (Adobe). PEBI – Perpendicular.


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The definitions provide an introduction to each term and may raise complex legal issues on which specific legal advice is required. The terms are also subject to change as applicable laws and customary practice evolve. This glossary is an essential tool to help readers talk the talk of the oil and gas industry. Drill into this reservoir of terminology. In the case of a Well, Abandonment may be temporary i.

Glossary of Terms Home Glossary of Terms. Abandon To cease work on a well, which is non-productive, to plug off the well with cement plugs and salvage all recoverable equipment. It requires government approval before it can be implemented. Appraisal well A well drilled as part of an appraisal drilling programme to better understand and estimate the physical extent, reserves and likely production rate of a field. Argillaceous limestone A limestone containing a significant proportion of clay minerals. Associated gas Natural gas produced with crude oil from the same reservoir. Top B Barrel, commonly abbreviated to bbl A unit of volume measurement used for petroleum and its products around 7.

The definitions provide an introduction to each term and may raise complex legal issues on which specific legal advice is required. The terms are also subject to change as applicable laws and customary practice evolve. This glossary is an essential tool to help readers talk the talk of the oil and gas industry. Drill into this reservoir of terminology. In the case of a Well, Abandonment may be temporary i.

We work with the industry and government to maximise the economic recovery of UK oil and gas and support the UK government in its drive to reach net zero greenhouse gas emissions by The OGA is fully committed to enabling the achievement of the UK government's commitment to reach net zero emissions by

В связи с чрезвычайной обстановкой, в которой обычно осуществляется антитеррористическая деятельность АНБ, ТРАНСТЕКСТ станет независимым инструментом дешифровки, использование которого будет регулироваться исключительно самим АНБ. Энсей Танкадо был возмущен. Получалось, что АНБ фактически получило возможность вскрывать всю почту и затем пересылать ее без какого-либо уведомления. Это было все равно что установить жучки во все телефонные аппараты на земле. Стратмор попытался убедить Танкадо, что ТРАНСТЕКСТ - это орудие охраны правопорядка, но безуспешно: Танкадо продолжал настаивать на том, что это грубейшее нарушение гражданских прав.

 Ничего не сделал? - вскричала Сьюзан, думая, почему Стратмор так долго не возвращается.  - Вы вместе с Танкадо взяли АНБ в заложники, после чего ты и его обвел вокруг пальца. Скажи, Танкадо действительно умер от сердечного приступа или же его ликвидировал кто-то из ваших людей. - Ты совсем ослепла.

 Выходит, по-твоему, Стратмор лжет. - Не в этом дело, - дипломатично ответила Мидж, понимая, что ступает на зыбкую почву.  - Еще не было случая, чтобы в моих данных появлялись ошибки.

Испания не славится эффективностью бюрократического аппарата, и Беккер понял, что ему придется простоять здесь всю ночь, чтобы получить информацию о канадце. За конторкой сидела только одна секретарша, норовившая избавиться от назойливых пациентов. Беккер застыл в дверях, не зная, как поступить.

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