Oil and gas surface wellhead and christmas tree free download as powerpoint presentation. 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. Components illustration handbook kindle edition by obo, dr. The term christmas tree in oil and gas usually refers to 1. Petroleum engineering chemical engineering earth science science and nature oil rig jobs bp oil oil platform deepwater horizon marine engineering. Water depths shallow up to 1500 ft deep christmas tree on platform dry tree. To discontinue attempts to produce oil or gas from a well or lease and to plug the reservoir in accordance with regulatory requirements and recover equipment. The gas produced at the wellhead may contain light hydrocarbons, water vapor, sediment and other impurities. Normally the flow out is oil and gas and flow in is gas for gas lift. Also, the plant manufactures wellhead and christmas tree equipment in accordance with api spec 1 specification for oil, petrochemical and natural gas industry.
Oil and gas surface wellhead and christmas tree youtube. Christmas tree definition oilfield glossary oil and gas. A christmas tree comprises a series of valves, spools, a choke, and connection. Christmas trees are available in a wide range of sizes and configurations, such as low or highpressure capacity and single or multiplecompletion capacity. A wellhead must be present to utilize a christmas tree and is used without a christmas tree during drilling. Christmas tree offering stack or block type christmas tree with pressure ratings up to 10,000 psi bottom connections and bottom sealing type are customized to suit the application valves actuation is offered in pneumatic or hydraulic according to requirements available for single or dual completions. Since 2003 the plant is api licensee 60505 to product list specified. The production wellhead on gas wells is also called a christmas tree. The wellhead structure, often called a christmas tree, must allow for a number of operations. Oil and gas production and exploration, part ii american translators association 52th annual conference boston, october 26, 2011. Oil and gas engineers use a lot of maths in their jobs so weve set some prime number problems with the christmas tree. What is different between christmass tree and bop in. Strong flow of oil or gas, uncontrolled, from a reservoir to the surface and into the atmosphere. Conventional wellhead, multi bowl wellhead, integral.
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. Petroleum engineering pvc pipe oil and gas xmas tree things to know mathematics chemistry wellness training. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Christmas tree is used when the well is under production. A vertical assembly of mechanical elements used in oil exploration and production in surface and underwater oil and gas wells oil and gas production. Pdf the subsea tree is basically the connection between the wellhead. The control valves, pressure gauges, and chokes assembled at. Mar 06, 2015 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. Its main function is to seal the well in case of uncontrolled kick. To control the flow of oil and gas from an oil well a series of valves are used. Ky q 78105 high pressure oil gas christmas tree suitable for rated pressure 105mpa and the high pressure oilgas well which containing carbon dioxide. Produces gas from 40 wells towed 200 km to the norwegian sea. Nov 01, 2017 a christmas tree comprises a series of valves, spools, a choke, and connection. You can also choose from brass, stainless steel, and alloy oil christmas tree valve there are 187 suppliers who sells oil christmas tree valve on, mainly located in asia.
The xmas tree is a valve assembly installed immediately above the tubing head spool to control the flow from well. An assembly of valves and fittings that is installed on the wellhead to control the flow of highpressure oil and gas. The well has at least one pipe inside pipe and the resulting annular space. During, drilling process bop blow out preventer is used. It was named for its resemblance to the series of starting lights at a drag racing strip, called by that name. Specification for subsea wellhead and christmas tree equipment.
Installed on subsea wellhead, the tree is used to connect and support tubing string, seal off casing pipes and casingtubing annulus, isolate borehole fluids from external sea water, control wellhead production pressure, and adjust borehole flow rates. These steps include casing, cementing, perforating, gravel packing and installing a production tree. A webinar discussing typical oil and gas applications for sor instrumentation. Installed on subsea wellhead, the tree is used to connect and support tubing. 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. While christmas trees come in a variety of configurations based on a. Christmas tree synonyms, christmas tree pronunciation, christmas tree translation, english dictionary definition of christmas tree. 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 christmas tree is a piece of equipment that provides flow control on a producing oil or gas well offshore oil and gas platform, safety valve for emergency shut while suddenly process upset.
Download it once and read it on your kindle device, pc, phones or tablets. Christmas tree definition of christmas tree by the free. 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. Sep 24, 2018 the christmas tree intends to control the oil well flow in and out and to control pressure and flow.
Xmas tree components oilfield, petroleum engineering, xmas tree. 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. Xmas tree components oilfield, petroleum engineering. 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. Christmas tree oil gas stock photos download 61 royalty.
The christmas tree is a series of valves, flanges, choke body and connectors that allow the controlled flow of produced fluids applications usually dictate what type of christmas tree will be needed. What are the functions of christmas trees in oil and gas. Wellhead and christmas tree components, types, functions and more free download as. The difference between a wellhead and christmas tree. Oil and gas 101 typical sor instrumentation applications. Christmas tree provides a means to control the flow of fluids produced from or fluids injected into the well, at surface. Oil and gas production and exploration, part ii steven marzuola. With valve sizes from 2 through to 7, bhge has the tree system to meet your needs in up to 3,000 m water depth.
The xmas tree usually consists of one top valve, one master valve, two side valves, two arm valves, cross piece and bean body. Well integrity christmas tree acceptable leakage rate and sustained casing pressure mrudhul raj, atkins ltd, aberdeen, uk the loss of well integrity can result in major accidents and presents a severe risk to the personnel, asset and environment. Jereh is a professional manufacturer of conventional wellhead, multi bowl wellhead, integral wellhead, dual tubing wellhead, esp wellhead, frac tree, christmas tree. The christmas tree intends to control the oil well flow in and out and to control pressure and flow. Having provided chokes for subsea use for over 30 years, bhge now have a faststepping compact actuator that is more than 50% fasteracting than competitors products and qualified to 2 million steps 100% more than industry. An evergreen or artificial tree decorated, as with lights and ornaments, during the christmas season.
It was named for its resemblance to the series of starting. The christmas tree is approximately 3 to 7 tall and consists of a series of fittings, valves and guages that provide control over the wellbore at the surface. It comes in the types of normal oil production wellhead, thermal recovery wellhead, offshore wellhead, low and high pressure antisulfide wellhead. Wellhead and christmas tree components, types, functions and. Although not part of subsurface equipment, the christmas tree is usually the first component encountered by a workovercompletion crew. In uk, all offshore well operators must comply with the offshore installations and wells design. Wellhead and christmas tree components, functions and more. Maintenance on the christmas trees part 1 klyde consultants as. Christmas tree a christmas tree is an assembly of gate valves, chokes and fittings included with the wellhead during well completion. Wellheads and christmas trees are different pieces of equipment figure 1. These steps include casing, cementing, perforating, gravel packing and installing a. The bean body accommodates bean housing and beans of. It used for production or injection wells such as oil wells, gas wells, water injection wells, water disposal wells, etc. The christmas tree is operated either from a control room i.
As the year 2015 is closing up an we are getting close to christmas it is in this world of valves natural to think of christmas trees, not the ones in the living room made of wood or plastic, but the xmas trees on the well head or on the seabed securing us the flow of oil or gas from the reservoirs down in the ground. The maximum operation pressure of the wellhead and christmas tree is 105. Conventional wellhead, multi bowl wellhead, integral wellhead. It provides a means of controlling the effluents, ensuring the safety of the facilities and giving measurement tools access to the well. 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. Jul 18, 2017 christmas tree is used when the well is under production. It looks like a decorated tree so has become known as a christmas tree. Pdf oil and gas production technology training manual.
Horizontal and vertical christmas tree subseapipelineblog. It is named for its resemblance to a decorated tree at christmas. Well integrity christmas tree acceptable leakage rate. 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.
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