CN2881079Y - Blowout prevention oil extraction tree - Google Patents
Blowout prevention oil extraction tree Download PDFInfo
- Publication number
- CN2881079Y CN2881079Y CN 200520143405 CN200520143405U CN2881079Y CN 2881079 Y CN2881079 Y CN 2881079Y CN 200520143405 CN200520143405 CN 200520143405 CN 200520143405 U CN200520143405 U CN 200520143405U CN 2881079 Y CN2881079 Y CN 2881079Y
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- hole
- tubing head
- head body
- valve
- hanger
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Abstract
The utility model discloses an anti-spray Christmas tree, applicable for preventing the spray at the mining well mouth of the petroleum drilling. The anti-spray Christmas tree mainly comprises a main body of a tubing head, a mandrel hanger, a gate valve and a hanger. The mandrel hanger is equipped in the upper hole of the through hole in the main body of the tubing head, whose lower end is connected with a flow string. The valve core of the gate valve is equipped on the lower side of a step surface formed by the upper and lower holes of the through hole in the main body of the tubing head, which is comprised of a left and right semi valve cores. The left and right semi valve cores are connected with the left and right valve rods respectively. The other ends of the left and right valve rods are equipped on the left and right sides of the main body of the tubing head, which are equipped with a hand wheel and its operating mechanism respectively. The hanger is installed in the lower hole of the through hole in the main body of the tubing head. A pressure well valve is equipped on the front and back side of the main body of the tubing head on the lower part of the gate valve. The utility model has the advantages of simple structure, compactness and strong practicability, which can effectively prevent well blowing. The installation, maintenance and operation are convenient, the labor intensity is small and safe, easy for manufacturing and production, the consumption of raw materials is small and the manufacturing cost and usage cost is low, convenient for implementation and spreading.
Description
(1) technical field
The utility model relates to the oil recovery well blowout preventing device that a kind of oil exploitation industry is used, and specifically, is a kind of production tree that prevents blowout.
(2) background technology
Existing production wellhead mainly is equipped with blowout preventer, tubing head (also being big four) and preventer in order to prevent blowout.Preventer is installed in tubing head top.Preventer with regard to tall and big heaviness, added tubing head originally, and its height can reach about 2 meters, and weight reaches several tons.In case the generation blowout, the workman will be at the valve on the operation preventer on the high platform about 2 meters.Its operation is extremely inconvenient, and danger is very dangerous.Installation and maintenance simultaneously is all inconvenient, and it is big to make this equipment raw materials consumption, manufacturing cost and use cost height.
(3) summary of the invention
The purpose of this utility model provides a kind of blowout prevention production tree, so that it is simple in structure, can effectively reliably prevent blowout, safety easy for operation.
The utility model is finished above-mentioned task with following technical scheme.
A kind of blowout prevention production tree mainly is made of tubing head body, tubing hanger, gate valve and hanger.Through hole is made of upper hole and bottom hole two parts in the tubing head body, and the bottom hole aperture is greater than the upper hole aperture.Tubing hanger is contained in the upper hole of through hole in this.The tubing hanger bottom is connected with flow string.In the through hole, the formed step surface downside in upper hole and bottom hole intersection is equipped with the gate valve spool of being made up of left and right two halves formula spool in the tubing head body.Left and right two halves formula spool is equipped with left and right valve rod respectively, and the opposite side of left and right valve rod is equipped with valve gap, handwheel and operating mechanism respectively.Gate valve spool downside in this in through hole bottom hole is equipped with cushion block, and the cushion block downside is equipped with hanger.Side is equipped with kill valve respectively before and after gate valve bottom, the tubing head body, and kill valve is communicated with flow string by the kill-job through hole.The kill-job through hole is vertical with through hole in the tubing head body.When left and right two halves formula spool was adjusted into out, two inboard paths with the flow string outside of spool were opened.Kill valve cuts out simultaneously.At this moment, oil recovery is normally carried out.When blowout took place, left and right two halves formula spool was adjusted into the pass, and spool is held flow string tightly, path between the left and right two halves formula spool inboard and the flow string outside is closed, kill valve is opened, and the oil gas of shaft bottom eruption can be by the kill-job hole, and kill valve is guided the outer wellhead safety device into.Perhaps in well, inject and seal mortar admittedly, the blowout press seal is lived, thereby prevent the accident that blowout causes by kill valve, kill-job hole.
The left and right two halves formula spool of forming the gate valve spool is connected with left and right valve rod respectively.The other end of left and right valve rod be located at respectively the tubing head body about two outsides, and handwheel and operating mechanism thereof are housed respectively, valve gap is contained in left and right valve rod and stretches out on the outer lateral side at tubing head body place.Between left and right valve rod and tubing head body seal is housed.Between the crossing formed step surface in the last hand hay cutter face of left and right two halves formula spool and hole, middle through hole top and the bottom the sealing device of being made up of pressing plate, bolt, sealing mat is housed.Between the medial surface of left and right two halves formula spool and oil pipe lateral surface seal is housed.
In the tubing head body in the bottom hole of through hole, the cushion block of two halves formula spool downside installing by top cushion block and bottom fixedly cushion block combine.Fixedly between cushion block and this bottom hole with being threaded.The upper side of top cushion block is the fitting face of the lower side of two halves formula spool.
Hanger is contained in the hole, bottom of through hole in the tubing head body, hangs solid big envelope pipe.Be equipped with by pressure ring, bolt and sealing mat between through hole and solid big envelope pipe in the upper end of this hanger and the tubing head body and form sealing device.Between the through hole bottom seal is housed in the lateral surface of this hanger and the tubing head.
The utlity model has following advantage and effect.
1. compact conformation, simple, practical can prevent the accident that blowout causes effectively reliably.The utility model makes and the mechanism that former cause preventer and well head suspension connection device assemble becomes a complete machine, structurally unites two into one, thereby makes simple in structurely, compact, and the blowout prevention function is strong, makes things convenient for oil producing operation.When blowout takes place when, both can open kill valve by closing two halves formula gate valve, the oil gas of down-hole eruption is guided into ground safety office by kill-job hole, kill valve, prevent blowout; Also can pass through kill valve, the kill-job hole injects into well sealing mortar admittedly, Gu envelope is pressed spray, therefore can prevent the accident that blowout causes effectively reliably.
2. installation and maintenance and the very easy and safety of operation.Because compact conformation is simple, make and the equipment of original tall and big heaviness reduce highly greatly that weight also alleviates greatly, operates very easy.In case the generation blowout, the workman only need stand in and fasten the left and light brake valve on the ground, and the kill valve of side before and after opening just can prevent the accident of blowout initiation, and this equipment unites two into one, and on-the-spot installation and maintenance is very convenient.
3. labour intensity is little, and working environment safety has been avoided ascend operation.
4. be easy to make and produce, raw materials consumption is low, thereby has reduced manufacturing cost and use cost.
5. be convenient to implement and promote.
(4) description of drawings
Fig. 1: the utility model structural representation (full section)
The left view of state 2: Fig. 1
(5) specific embodiment
Embodiment
A kind of blowout prevention production tree.Mainly form by tubing head body 1, tubing hanger 19, gate valve and hanger 17.The middle through hole of tubing head body 1 is made of upper hole and bottom hole two parts, and the aperture, bottom is greater than the aperture, top.Tubing hanger 19 is contained in the top of through hole in the tubing head body 1, and the bottom of tubing hanger 19 is connected with flow string 20.Through hole top and intersection, bottom form step surface in the tubing head body 1.In the through hole bottom hole, this step surface downside is equipped with the gate valve spool in tubing head body 1.The gate valve spool is made up of left and right two halves formula spool 2,3.Left and right two halves formula spool 2,3 is connected with left and right valve rod 4,5 respectively.The other end of left and right valve rod 4,5 is stretched in the outside of tubing head body 1, and its end is equipped with left and right sides handwheel and operating mechanism 11 thereof respectively.Valve gap 10 is contained in left and right valve rod 4,5 and is stretched out on the outer lateral side at place by tubing head body 1.Between the upper side of left and right two halves formula spool 2,3 and above-mentioned step surface sealing device is housed.The sealing device is made up of pressing plate 6 bolts 7 and sealing mat 8.Between the medial surface of left and right two halves formula spool 2,3 and the lateral surface of oil pipe 20 seal 9 is housed.Left and right valve rod 4,5 and 1 of tubing head body are equipped with seal.The front and back side of gate valve bottom, tubing head body 1 is equipped with kill valve 22 respectively, kill valve 22 the inners by with tubing head body 1 in the vertical kill-job through hole 21 of through hole be communicated with flow string 20.The workman stands in promptly be convenient to operation on the ground left and right gate valve handwheel and operating mechanism 11 and front and back kill valve 22.The bottom of through hole in tubing head body 1, left and right two halves formula spool 2,3 downsides are equipped with fixedly cushion block 13 of top cushion block 12 and bottom from top to bottom successively.The bottom fixedly cushion block 13 with should in be threaded between through hole bottom hole, regulate with convenient.Hanger 17 is contained in the hole, bottom of through hole in the tubing head body 1.Between the upper end of this hanger 17 and hole, middle through hole bottom and between solid big envelope pipe sealing device is housed.The sealing device is made up of pressure ring 14, bolt 16 and sealing mat 15.Between the through hole bottom hole seal 18 is housed in the lateral surface of this hanger 17 and the tubing head body 1.Hanger 17 hangs solid big envelope pipe, and flow string 20 enters the shaft bottom oil reservoir downwards from solid big envelope tube hub.When blowout took place, operating personnel stand on the ground just can open the kill valve 22 that is contained in tubing head body 1 front and back side simultaneously by adjusting left and right handwheel and operating mechanism 11 closing gate valves.Thereby prevent that effectively shaft bottom oil gas from spraying to outer wellhead, make the oil, the gas that spray from the shaft bottom flow into the safety device that is located at well head through kill-job through hole 21, kill valve 22.Prevent accident.Also can inject to the shaft bottom and seal mortar admittedly, stop blowout to take place by kill valve 22, kill-job through hole 21.When normal operation, open gate valve, close kill valve 22 and get final product.It is very convenient to operate.
Claims (4)
1. blowout prevention production tree, comprise tubing head body (1), it is characterized in that, through hole is made of upper hole and bottom hole in the tubing head body (1), the aperture, bottom is greater than the aperture, top, on, two holes, bottom are intersected the place and are formed the step surface downside, be equipped with by a left side, right two halves formula spools (2), (3) the gate valve spool of Zu Chenging, this gate valve spool downside is equipped with cushion block, the cushion block downside is equipped with hanger (17), left and right sides two halves formula spool (2), (3) valve rod (4) is housed respectively, (5), a left side, right valve rod (4), (5) opposite side is equipped with valve gap (10) respectively, handwheel and operating mechanism (11), tubing hanger (19) is equipped with on through hole top in the tubing head body (1), tubing hanger (19) bottom is connected with flow string (20), the gate valve bottom, side is equipped with kill valve (22) respectively before and after the tubing head body (1), and kill valve (22) is communicated with flow string (20) by kill-job through hole (21), and kill-job through hole (21) is vertical with through hole in the tubing head body (1).
2. blowout prevention production tree according to claim 1, it is characterized in that, a left side, right valve rod (4), (5) the other end is located at two outsides about tubing head body (1) respectively, and handwheel and operating mechanism (11) be housed respectively, a left side, right valve rod (4), (5) and between tubing head body (1) seal is housed, valve gap (10) is contained in a left side, right valve rod (4), (5) stretch out on the outer lateral side at place by tubing head body (1), a left side, right two halves formula spools (2), (3) be equipped with by pressing plate (6) between the formed step surface in intersection, hole, top and the bottom of through hole in upper side and the tubing head body (1), the sealing device that bolt (7) and sealing mat (8) are formed, a left side, right two halves formula spools (2), seal (9) is housed between the lateral surface of medial surface (3) and oil pipe (20).
3. blowout prevention production tree according to claim 1 and 2, it is characterized in that, in tubing head body (1) in the through hole, the cushion block of gate valve spool downside by top cushion block (12) and bottom fixedly cushion block (13) combine, the bottom fixedly between cushion block (13) and this bottom hole with being threaded.
4 according to claim 1 or 2 or 3 described blowout prevention production trees, it is characterized in that, hanger (17) is housed in the hole, bottom of through hole in tubing head body (1), between the upper end of hanger (17) and hole, middle through hole bottom and between solid big envelope pipe the sealing device of being made up of pressure ring (14), bolt (16) and sealing mat (15) is housed, between the through hole bottom hole seal (18) is housed in lateral surface of this hanger (17) and the tubing head body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143405 CN2881079Y (en) | 2005-11-18 | 2005-11-18 | Blowout prevention oil extraction tree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143405 CN2881079Y (en) | 2005-11-18 | 2005-11-18 | Blowout prevention oil extraction tree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881079Y true CN2881079Y (en) | 2007-03-21 |
Family
ID=37880919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520143405 Expired - Fee Related CN2881079Y (en) | 2005-11-18 | 2005-11-18 | Blowout prevention oil extraction tree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881079Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251754A (en) * | 2011-06-14 | 2011-11-23 | 刘庆梅 | Blowout control tubing head with non-well-killing valve replacement |
| CN102733772A (en) * | 2012-07-12 | 2012-10-17 | 刘庆梅 | Christmas tree of tubing head for borehole operation without killing well |
| CN103306633A (en) * | 2013-06-28 | 2013-09-18 | 邯郸市翔龙地质勘探有限公司 | Blowout control device for water detecting and draining drill hole |
| CN103492666A (en) * | 2011-04-28 | 2014-01-01 | 阿克海底公司 | Subsea well assembly and associated method |
| CN104514518A (en) * | 2013-09-29 | 2015-04-15 | 中国石油天然气股份有限公司 | Method and device for hot washing of thick oil, high-condensation and high-wax oil well |
| CN105298427A (en) * | 2015-11-19 | 2016-02-03 | 中国石油集团西部钻探工程有限公司 | Mechanical wellhead suspension device and blowing-to-mechanical-extraction integrated device |
| CN113464090A (en) * | 2021-08-10 | 2021-10-01 | 江苏益马机械有限公司 | Combined production tree for production well |
-
2005
- 2005-11-18 CN CN 200520143405 patent/CN2881079Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103492666A (en) * | 2011-04-28 | 2014-01-01 | 阿克海底公司 | Subsea well assembly and associated method |
| CN103492666B (en) * | 2011-04-28 | 2016-11-23 | 阿克海底公司 | Subsea well assembly and associated method |
| CN102251754A (en) * | 2011-06-14 | 2011-11-23 | 刘庆梅 | Blowout control tubing head with non-well-killing valve replacement |
| CN102251754B (en) * | 2011-06-14 | 2015-05-27 | 刘庆梅 | Blowout control tubing head with non-well-killing valve replacement |
| CN102733772A (en) * | 2012-07-12 | 2012-10-17 | 刘庆梅 | Christmas tree of tubing head for borehole operation without killing well |
| CN102733772B (en) * | 2012-07-12 | 2015-02-04 | 刘庆梅 | Christmas tree of tubing head for borehole operation without killing well |
| CN103306633A (en) * | 2013-06-28 | 2013-09-18 | 邯郸市翔龙地质勘探有限公司 | Blowout control device for water detecting and draining drill hole |
| CN104514518A (en) * | 2013-09-29 | 2015-04-15 | 中国石油天然气股份有限公司 | Method and device for hot washing of thick oil, high-condensation and high-wax oil well |
| CN104514518B (en) * | 2013-09-29 | 2018-05-04 | 中国石油天然气股份有限公司 | Method and device for hot washing of thick oil, high-condensation and high-wax oil well |
| CN105298427A (en) * | 2015-11-19 | 2016-02-03 | 中国石油集团西部钻探工程有限公司 | Mechanical wellhead suspension device and blowing-to-mechanical-extraction integrated device |
| CN105298427B (en) * | 2015-11-19 | 2017-12-08 | 中国石油集团西部钻探工程有限公司 | Mechanical wellhead hookup and blowing favourable turn adopt integrated apparatus |
| CN113464090A (en) * | 2021-08-10 | 2021-10-01 | 江苏益马机械有限公司 | Combined production tree for production well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20141118 |
|
| EXPY | Termination of patent right or utility model |