Havard devold, oil and gas production handbook, an introduction to oil and production, abb oil and gas, may 2009, edition 2. Shallow up to 1500 ft deep christmas tree on platform dry tree deepwater. The energy sources of the world are either renewable or nonrenewable energy sources. There are 644 suppliers who sells oil and gas christmas tree on, mainly located in asia. In petroleum and natural gas extraction, a christmas tree, or tree, not wellhead as sometimes incorrectly referred to is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells.
The primary function of a tree is to control the flow into or out of the well, usually oil or gas. The expansion comes closely after the discovery of new proven oil. The well has at least one pipe inside pipe and the resulting annular space. Geroil oil and gas products is a specialist industrial distributor and oilfield services provider.
Christmas trees are a vertical assembly of valves with gauges and chokes that allow for adjustments in. A tree often provides numerous additional functions including chemical injection points, well. It has a set of valves including a master valve and wing valve, a choke and connections and is installed on top of the tubing head spool of the wellhead. Wellhead christmas tree is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells. Wellhead christmas tree is an important oil and gas mining equipment, from the casing head, tubing head, oil gas tree consists of three parts, used to connect casing string, tubing string and sealing layers between the casing and the annular space between the tubing and to control the pressure and regulate the.
Oil well christmas tree in petroleum and natural gas extraction, a christmas tree, or tree, is an assembly of valves, spools, and fittings used to regulate the flow of pipes in an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells. Installed on subsea wellhead, the tree is used to connect and support tubing. Used as a primordial remedy for treating cold, cough, joint pains and muscular cramps, this highly spirited oil purifies the air and gifts us with a heavenly and infectionfree atmosphere. The control valves, pressure gauges, and chokes assembled at the top of a well. The difference between a wellhead and christmas tree. The design, fabrication and inspection of shengji wellhead and xmas trees are done in strict adherence to api 6a requirements. Wellheads and christmas trees are different pieces of equipment figure 1. Quasistatic nonlinear analysis of a drill pipe in subsea xmas tree.
The industrys foremost networking tool for the financial sector. The oilfield wellhead christmas tree is an assembly of valves, spools and fittings for an oil well, and to design to direct and. Horizontal vertical christmas tree ppt linkedin slideshare. Wellhead and xmas tree is the main equipment for oil production, water injection and down hole operation. It was named for its crude resemblance to a decorated tree. The xmas tree is a valve assembly installed immediately above the tubing head spool to control the flow from well. It is also referred as xmas tree because its shape resembles to a christmas tree during christmas festival. Wellhead and christmas tree geroil oil and gas products. A christmas tree comprises a series of valves, spools, a choke, and connection. Oda ingeborg stendebakken, ntnu trondheim, a reliability study of a deepwater vertical christmas tree with attention to xt retrieval rate, june 2014,12.
Applications usually dictate what type of christmas tree will be needed. The arrangement of the wellhead and xmass tree items are customized to suite specific customer requirements and site conditions. Specification for wellhead and christmas tree equipment. A vertical assembly of mechanical elements used in oil exploration and production in surface and underwater oil and. Oil and gas surface wellhead and christmas tree youtube. It provides a means of controlling the effluents, ensuring the safety of the facilities and giving measurement tools access to the well. It was named for its resemblance to the series of starting lights at a drag racing strip, called by that name. China oil christmas tree for wellhead, find details about china oil christmas tree, christmas tree from oil christmas tree for wellhead chance door international co. By combining the oreda iii and iv data, weighting the experienced data to both. Thousands of subsea xmas trees have been installed since first introduced. H 2 s is corrosive to most equipment and will detrimentally affect the health of personnel, so, basing it design on the api 6a wellhead and xmas tree, shengji developed an antih 2 s wellhead and xmas tree for h 2 s removal its main usage is in deep wells, ultra deep wells, and high pressure oilgas wells with significant h 2 s levels. Christmas trees are available in a wide range of sizes and configurations, such as low or highpressure capacity and single or multiplecompletion capacity.
Oda ingeborg stendebakken, ntnu trondheim, a reliability study of a deepwater vertical christmas tree with. The christmas tree is a series of valves, flanges, choke body and connectors that allow the controlled flow of produced fluids. It comes in the types of normal oil production wellhead, thermal recovery wellhead, offshore wellhead, low and high pressure antisulfide wellhead. Oil and gas 101 typical sor instrumentation applications duration. A christmas tree is a piece of equipment that provides flow control on a oil or gas well. Mar 06, 2015 the primary function of a tree is to control the flow into or out of the well, usually oil or gas. It also may be used in high pressure acidization and.
Pressure gauge joining valve is to be installed at pipeline. Can handle surface trees on permanent platform, or subsea trees. Wellhead and christmas tree composed by three parts, including casing head, tubing head, oil gas tree, used to connect casing string, tubing string and sealing layers between the casing and tubing of the annular space between, so to control the wellhead pressure and wellhead flow, it also could be used for acid fracturing, water injection, testing and other special operations. Being a manufacturer of wellhead and christmas tree, we can offer refurbishment of components or built replacement parts particularly for old outdated design subject to availability of oem drawings and commercial viability. Integrates with wellhead as the well is prepared for service production or wi the term christmas tree itself came from its crude resemblance of a decorated tree.
Other opportunities, access via pipelines built for nearby fields. Christmas tree the christmas tree is a device used for oil or gas testing after the well completion, or for wellhead control when the flowing well or the pump recovery well performs oil production. A searchable database of oil and gas debt and equity offerings. We are the leading global supplier of upstream drilling, completions, production, and pressure control.
It is comprised of tubing hanger, multiple gates and the threeway or four. The revision of this document is part of the dnv gl merger, updating the previous dnv. An assembly of valves, spools, pressure gauges and chokes fitted to the wellhead of a completed well to control production. Sep 24, 2018 the christmas tree intends to control the oil well flow in and out and to control pressure and flow. First introduced in 20, the splitter 3 in 1 system is the latest design produced by solar alert. Anti h2s wellhead christmas tree, api 6a wellhead xmas tree. A reliability study of a deepwater vertical xmas tree with.
A christmas tree is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well, and other types of wells. Download it once and read it on your kindle device, pc, phones or tablets. Oil and gas engineers use a lot of maths in their jobs so weve set some prime number problems with the christmas tree. Structure of api wellhead christmas tree description. Components illustration handbook kindle edition by obo, dr. Apr 10, 2018 an introduction to oil and gas production. The purpose of the christmas tree xmas tree is to provide a control valve produced or injected fluids into. Production increases early due to discoveries and new infrastructure. Since 2003 the plant is api licensee 60505 to product list specified. It is named for its resemblance to a decorated tree at christmas.
Its main usage is in deep wells, ultra deep wells, and high pressure oil gas wells with significant h 2 s levels. A wide variety of oil and gas christmas tree options are available to you, such as glass. It shall not be possible to mechanically combine the two boards regardless of the. What are the functions of christmas trees in oil and gas. It used for production or injection wells such as oil wells, gas wells, water injection wells, water disposal wells, etc. H 2 s is corrosive to most equipment and will detrimentally affect the health of personnel, so, basing it design on the api 6a wellhead and xmas tree, shengji developed an antih 2 s wellhead and xmas tree for h 2 s removal. Oil and gas production and exploration, part ii steven marzuola. The control valves, pressure gauges, and chokes assembled at the top of a well to control the flow of oil and gas after the well has been drilled and completed 3.
Wellhead equipment made in the plant can be used for oil and gas production, water or vappr injection and so on. Christmas tree definition oilfield glossary oil and gas. It is installed on the casing head to seal the annular space between casing and tubing, control wellhead pressure, adjust well flow rate and transport oil to pipeline. Petroleum is a nonrenewable energy source and during extraction, crude oil found underground is usually mixed with water, sand, salt and natural gas. As it is extracted, the pressure of these different substances must be kept at. Wellhead and christmas tree for oil drilling hot sale in. Wellhead and christmas tree for oil drilling hot sale in the. Christmas tree well control system equipment equipment. The maximum operation pressure of the wellhead and christmas tree is 105. The term christmas tree in oil and gas usually refers to 1. Aug 03, 2016 havard devold, oil and gas production handbook, an introduction to oil and production, abb oil and gas, may 2009, edition 2. Splitter system 3 in 1 solar alert sdn bhd leading. The control valves, pressure gauges, and chokes assembled at the top of a well to control the flow of oil and gas after the well has been drilled and completed.
Oil and gas production and exploration, part ii american translators association 52th annual conference boston, october 26, 2011. Hydraulic access to the annulus between casing to allow for displacement during cementing and between the production casing and tubing for the circulation of the well. Wellhead and christmas tree is used for well drilling and oil or gas production, water injection and downhole operation. A wellhead must be present to utilize a christmas tree and is used without a christmas tree during drilling. Nov 01, 2017 a christmas tree comprises a series of valves, spools, a choke, and connection.
A vertical assembly of mechanical elements used in oil exploration and production in surface and underwater oil and gas wells, primarily for flow control. Havard devold structure, often called a christmas tree, must allow for a number of operations blend is desired because it or on manual command, by a dedicated emergency shutdown. An evergreen or artificial tree decorated, as with lights and ornaments, during the christmas season. In petroleum and natural gas extraction, a christmas tree, or tree, is an assembly of valves, spools, and fittings used to regulate the flow of pipes in an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells. Similarly to the 2 in 1 system, this new system incorporates the same flexibility. It is an api 6a certified wellhead and xmas tree equipment manufacturer. Dnvglose201 oil and gas processing systems rules and.
To control the flow of oil and gas from an oil well a series of valves are used. Oil and gas surface wellhead and christmas tree free download as powerpoint presentation. The christmas tree intends to control the oil well flow in and out and to control pressure and flow. Horizontal and vertical christmas tree subseapipelineblog. In oil and natural gas extraction, a christmas tree, or tree, is an assembly of valves, spools and fittings used for not only extraction, but also for water injection or disposal, gas injection and other operations. Buy api wellhead christmas tree for oil and gas field. A christmas tree is an assembly of valves, spools and fittings used for oil, gas, water injection, water disposal, gas injection, condensate and other types of wells. Our partners, our global presence and our stateoftheart technology enhance your projects efficiency no matter how challenging the conditions are. Normally the flow out is oil and gas and flow in is gas for gas lift. Fir needle oil is indeed a sacred oil and is known as the forest healer for its immaculate medicinal uses that sanctify one with an array of health benefits and heartiness. The authors acknowledge the ministry of industry and. Christmas tree synonyms, christmas tree pronunciation, christmas tree translation, english dictionary definition of christmas tree. General purpose steam turbines for petroleum, chemical and gas industry services. In petroleum and natural gas extraction, a christmas tree, or tree, is an assembly of valves, spools, and fittings used to regulate the flow of pipes in an oil well.
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