Glossary of oilfield production terminology got definitions. A valve used to regulate automatically a uniform pressure on the inlet side of the valve. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Often used for remote control or sequencing of valve operations. An iaa test swab or ampule may be substituted for the. This device may be a flappervalve type, a springloaded ball valve or another type. Valve terminology glossary courtesy of zytech industries actuatordevice used to operate a valve using electric, pneumatic or hydraulic means. Definition of oil well see a comprehensive list of oil and gas terms and definitions in our dictionary. In this post, types of subsea valves, their safestates and their function is described. Gor calculation weatherford bha drawings daniel oil calculation. Gaslift valves frequently are replaced with dummy valves during intervention work on wells with gaslift completions. Safety valve spring in addition as a safety valve until the inlet pressure safety valve to the pressure achieved additional power increases the power of foreclosure.
The kimray oilfield glossary is a reference that takes provides. Choke valve, a valve that raises or lowers a solid cylinder which is placed around or inside another cylinder which has holes or slots. Note that this extra power extra weight, which is made from an external power source is available, reliable published when the inlet pressure reaches the safety valve pressure set. Actuator device used to operate a valve using electric, pneumatic or hydraulic means. Check out the new look and enjoy easier access to your favorite features. Dixon asia pacific pty ltd 170 francis road wingfield, sa 50 po box 2491 regency park, sa 5942 australia phone 08 8202 6000 fax 08 8202 6099. The extract, on terminology of valves, is from appendix e, valve glossary, from the valve selection handbook pages 363 to 381. This decrease in pressure is referred to as swab pressure. Swab, swabbing definition t he process of mechanically pulling or lifting liquids from a well bore. Used for high pressure drops found in oil and gas wellheads. In functional safety terminology, a safety valve is the final element of a safety instrumented function sif, which acts as.
Towards the end, an illustration of remote activation of subsea safety valve is also provided. A short length of casing fitted with a check valve. On a dehy unit or line heater, the burner valve controls the flow of gas to the. Subsea safety isolation valve how is subsea safety. This is a very extensive listing of words, terms and abbreviations used to describe valves. Backpressure valve definition oilfield glossary oil and. A straightthrough pattern valve whose closure element is a wedge or parallelsided slab, situated between two fixed seating surfaces with means to move it in or out of the flow stream in a direction perpendicular to the pipeline axis. Plunger lift a method of lifting oil using a swab or free piston propelled by. Nov 01, 2019 subsea valves handbook helps engineers and managers understand the types of valves that are specific to various subsea applications, including their critical functions and a focus on cavitation and flushing effects that is essential for todays deepwater and high temperature wells. Deepwater or shallowwater development 29 23, wettree anddrytree systems 29 2. Check valve or nonreturn valve, allows the fluid to pass in one direction only. Check valve definition oilfield glossary oil and gas glossary.
Subsea safety isolation valve how is subsea safety isolation valve abbreviated. A swabbing tool string incorporates a weighted bar and swab cup assembly that are run in the wellbore on heavy wireline. Reliability data of components in nordic nuclear power plants, version 3. When the assembly is retrieved, the specially shaped swab cups expand to seal against the tubing wall and carry the liquids from the wellbore. Oil and gas well drilling and servicing etool glossary. In compliance with european union eu legislation for visitors from the eu, schlumberger requests your permission to place cookies on your computer to both. An automatic valve that opens or closes when an abnormal condition occurs e. The christmas tree and the wellhead work together to bring oil and gas to the surface. Swab valve or crown valve uppermost valve on the vertical bore of the christmas tree above the flowline outlet. Common reduced supply pressures are 20 and 35 psig. Valves can be categorized into the following basic types. Well control is the technique used in oil and gas operations such as drilling, well workover and. The greater density of cement slurries than the displacement mud inside the casing causes the utube effect. The barrel of oil equivalent boe is a unit of energy approximate equal to the energy released by burning one barrel 158.
These terms can be found all over, via books, the internet, or by talking to your. The topmost valve on a christmas tree that provides vertical access to the wellbore. Preface abouttheauthors list ofabbreviations xxv xxvii xxix parti subsea productionsystems 1. Api spec 6a, specification for wellhead and christmas tree equipment, twentieth edition, october 2010 addendum november 2012. Pages in category safety valves the following 72 pages are in this category, out of 72 total. Schlumberger oilfield glossary pdf reflection seismology. This is a 3 hour course utilizing an extract from my book the valve selection handbook, published by elsevier and now in its 5th edition. Well control news newspapers books scholar jstor april 2011 learn how and when to remove this template message. It is recommended that all those who are involved in engineering and diving operations in oil and gas fields. Oilfield glossary is a mobile application designed for oilfield people. Valve terminology glossary industry guide to terms most commonly used in the manufacturing, assembly and operation of valves and valve accessories. This book is by no means a comprehensive description on the detailed design of any part of this.
Pages in category oilfield terminology the following 50 pages are in this category, out of 50 total. Check valve definition oilfield glossary oil and gas. To unload liquids from the production tubing to initiate flow from the reservoir. Identification of effective fluid removal technologies. Schlumberger oilfield glossary pdf free download as pdf file. The float collar prevents the cement slurry placed in the annulus to utube, or reverse flow back into the casing. The swab valve is located on the top of the xmas tree and provides. The app is free and it includes following features.
Relief valve definition oilfield glossary oil and gas. Develop a systematic approach for risk assessment of oil and gas wells in the operational phase. A blank gaslift valve placed in a gaslift mandrel to isolate the tubing string from the annulus. This is a 1 hour course utilizing an extract from my book the valve selection handbook, published by elsevier and now in its 5th edition. Hartford steam boiler inspection and insurance company, 1982 mechanical engineering 188 pages. Check valves used in artificial lift pumping units. Requests for permission to reproduce or translate all or any part of the material published herein should be addressed to the director, american petroleum institute, production department, 2535 one main place, dallas, tx 752023904. Oil and gas well drilling and servicing etool glossary of. This list may not reflect recent changes learn more. Hartford steam boiler inspection and insurance company, 1982 mechanical engineering. An increase in air pressure to the actuator is required to cause the valve to close. Iaogp international association of oil and gas producers. A valve used to regulate backpressure on equipment or systems through which a fluid flows. The extract, on ball valves, is chosen from chapter 3, manual valves pages 108 to 119.
The swab valve is used to gain access to the well for wireline. Attachment 1 the glossary and list of definitions from. A device used to reduce plant air supply to valve positioners and other control equipment. Alloy steela steel consisting primarily of iron with some percentage of one or more other elements such as chromium, nickel, manganese, or. The schlumberger oilfield glossary is an evergreen, instant reference that takes up no space on your bookshelf and offers many special features. In functional safety terminology, a safety valve is the final element of a safety instrumented function sif, which acts as a physical barrier to the flow of. This device may be a flapper valve type, a springloaded ball valve or another type. Definition of swab valve or crown valve iadc lexicon.
321 1231 1349 700 703 16 662 711 62 949 1254 378 289 193 1533 35 1008 602 579 281 206 1248 291 466 1013 738 1418 859 1271 296 908 1039 1431 316 376 650 430