To control the flow of oil and gas from an oil well a series of valves are used. The well has at least one pipe inside pipe and the resulting annular space. 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. Christmas tree synonyms, christmas tree pronunciation, christmas tree translation, english dictionary definition of christmas tree. Nov 01, 2017 a christmas tree comprises a series of valves, spools, a choke, and connection. A searchable database of oil and gas debt and equity offerings. Wellhead and christmas tree for oil drilling hot sale in the. Christmas trees are a vertical assembly of valves with gauges and chokes that allow for adjustments in. Oil and gas 101 typical sor instrumentation applications duration. Our partners, our global presence and our stateoftheart technology enhance your projects efficiency no matter how challenging the conditions are. An evergreen or artificial tree decorated, as with lights and ornaments, during the christmas season. It was named for its crude resemblance to a decorated tree. 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. Specification for wellhead and christmas tree equipment.
It is named for its resemblance to a decorated tree at christmas. The energy sources of the world are either renewable or nonrenewable energy sources. Wellhead equipment made in the plant can be used for oil and gas production, water or vappr injection and so on. Wellhead and xmass tree are the primary pressure controlling equipment of any oil well.
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. 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. Its main usage is in deep wells, ultra deep wells, and high pressure oil gas wells with significant h 2 s levels. The difference between a wellhead and christmas tree. Installed on subsea wellhead, the tree is used to connect and support tubing. Oil and gas engineers use a lot of maths in their jobs so weve set some prime number problems with the christmas tree. The control valves, pressure gauges, and chokes assembled at the top of a well. The primary function of a tree is to control the flow into or out of the well, usually oil or gas. Sep 24, 2018 the christmas tree intends to control the oil well flow in and out and to control pressure and flow. 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. It looks like a decorated tree so has become known as a christmas tree.
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. 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. A wide variety of oil and gas christmas tree options are available to you, such as glass. 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. The expansion comes closely after the discovery of new proven oil.
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. Horizontal vertical christmas tree ppt linkedin slideshare. 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. 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. Similarly to the 2 in 1 system, this new system incorporates the same flexibility. It shall not be possible to mechanically combine the two boards regardless of the. 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. Havard devold, oil and gas production handbook, an introduction to oil and production, abb oil and gas, may 2009, edition 2. 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. Christmas tree well control system equipment equipment. The authors acknowledge the ministry of industry and. Apr 10, 2018 an introduction to oil and gas production. Oda ingeborg stendebakken, ntnu trondheim, a reliability study of a deepwater vertical christmas tree with attention to xt retrieval rate, june 2014,12. 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.
A vertical assembly of mechanical elements used in oil exploration and production in surface and underwater oil and gas wells, primarily for flow control. It used for production or injection wells such as oil wells, gas wells, water injection wells, water disposal wells, etc. It is comprised of tubing hanger, multiple gates and the threeway or four. Anti h2s wellhead christmas tree, api 6a wellhead xmas tree. The oilfield wellhead christmas tree is an assembly of valves, spools and fittings for an oil well, and to design to direct and. 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. Geroil oil and gas products is a specialist industrial distributor and oilfield services provider. Dnvglose201 oil and gas processing systems rules and. Petroleum is a nonrenewable energy source and during extraction, crude oil found underground is usually mixed with water, sand, salt and natural gas. 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. The industrys foremost networking tool for the financial sector. Wellhead and christmas tree for oil drilling hot sale in.
The term christmas tree in oil and gas usually refers to 1. A wellhead must be present to utilize a christmas tree and is used without a christmas tree during drilling. Other opportunities, access via pipelines built for nearby fields. It is an api 6a certified wellhead and xmas tree equipment manufacturer. The design, fabrication and inspection of shengji wellhead and xmas trees are done in strict adherence to api 6a requirements. Wellhead and christmas tree is used for well drilling and oil or gas production, water injection and downhole operation. Wellhead and xmas tree is the main equipment for oil production, water injection and down hole operation. Aug 03, 2016 havard devold, oil and gas production handbook, an introduction to oil and production, abb oil and gas, may 2009, edition 2. We are the leading global supplier of upstream drilling, completions, production, and pressure control. Horizontal and vertical christmas tree subseapipelineblog. The christmas tree is operated either from a control room i. Mar 06, 2015 the primary function of a tree is to control the flow into or out of the well, usually oil or gas. Production increases early due to discoveries and new infrastructure.
Oil and gas production and exploration, part ii american translators association 52th annual conference boston, october 26, 2011. As it is extracted, the pressure of these different substances must be kept at. Can handle surface trees on permanent platform, or subsea trees. Oil and gas surface wellhead and christmas tree youtube. The xmas tree is a valve assembly installed immediately above the tubing head spool to control the flow from well. An assembly of valves, spools, pressure gauges and chokes fitted to the wellhead of a completed well to control production. The purpose of the christmas tree xmas tree is to provide a control valve produced or injected fluids into. 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. 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. A christmas tree comprises a series of valves, spools, a choke, and connection. 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. 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. Thousands of subsea xmas trees have been installed since first introduced.
Download it once and read it on your kindle device, pc, phones or tablets. A tree often provides numerous additional functions including chemical injection points, well. The christmas tree is a series of valves, flanges, choke body and connectors that allow the controlled flow of produced fluids. General purpose steam turbines for petroleum, chemical and gas industry services. The arrangement of the wellhead and xmass tree items are customized to suite specific customer requirements and site conditions. Christmas trees are available in a wide range of sizes and configurations, such as low or highpressure capacity and single or multiplecompletion capacity. It also may be used in high pressure acidization and. Oil and gas production and exploration, part ii steven marzuola. First introduced in 20, the splitter 3 in 1 system is the latest design produced by solar alert. By combining the oreda iii and iv data, weighting the experienced data to both. Applications usually dictate what type of christmas tree will be needed. 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.
Oil and gas surface wellhead and christmas tree free download as powerpoint presentation. Shallow up to 1500 ft deep christmas tree on platform dry tree deepwater. Pressure gauge joining valve is to be installed at pipeline. Splitter system 3 in 1 solar alert sdn bhd leading. These items are always installed on the top of a well for sealing the annular space between casing and tubing, also for a purpose of controlling wellhead pressure, regulating well flow rate and transport oil from well to. 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. A reliability study of a deepwater vertical xmas tree with. There are 644 suppliers who sells oil and gas christmas tree on, mainly located in asia. Components illustration handbook kindle edition by obo, dr.
Wellhead and christmas tree geroil oil and gas products. Wellheads and christmas trees are different pieces of equipment figure 1. Oda ingeborg stendebakken, ntnu trondheim, a reliability study of a deepwater vertical christmas tree with. Buy api wellhead christmas tree for oil and gas field. It provides a means of controlling the effluents, ensuring the safety of the facilities and giving measurement tools access to the well. The christmas tree intends to control the oil well flow in and out and to control pressure and flow.
The revision of this document is part of the dnv gl merger, updating the previous dnv. It was named for its resemblance to the series of starting lights at a drag racing strip, called by that name. Christmas tree definition oilfield glossary oil and gas. The xmas tree usually consists of one top valve, one master valve, two side valves, two arm valves, cross piece and bean body. It is also referred as xmas tree because its shape resembles to a christmas tree during christmas festival. A vertical assembly of mechanical elements used in oil exploration and production in surface and underwater oil and. The maximum operation pressure of the wellhead and christmas tree is 105. Normally the flow out is oil and gas and flow in is gas for gas lift. Structure of api wellhead christmas tree description. What are the functions of christmas trees in oil and gas. Since 2003 the plant is api licensee 60505 to product list specified. Quasistatic nonlinear analysis of a drill pipe in subsea xmas tree. A christmas tree is a piece of equipment that provides flow control on a oil or gas well. Merger regulation with cameron international corporation of the.
609 1032 484 433 80 41 1048 437 1388 1106 1474 880 1652 1536 380 75 1447 1662 591 1466 714 143 1092 428 583 328 403 1477 1088 705 323 1053 1436 659 1005 410 255 1316