CN210714594U - Oil production wellhead assembly with spring safety valve - Google Patents
Oil production wellhead assembly with spring safety valve Download PDFInfo
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- CN210714594U CN210714594U CN201921747241.7U CN201921747241U CN210714594U CN 210714594 U CN210714594 U CN 210714594U CN 201921747241 U CN201921747241 U CN 201921747241U CN 210714594 U CN210714594 U CN 210714594U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 84
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses an oil recovery well head device with spring relief valve, including the oil recovery well head connecting pipe, the bottom fixedly connected with of oil recovery well head connecting pipe is built-in sleeve pipe, the outside cover of built-in sleeve pipe is equipped with external sleeve pipe, and the bottom fixedly connected with oil pipe of external sleeve pipe, the outside fixed cover of oil pipe is equipped with the protective sheath, oil pipe and protective sheath are all buried underground in the ground and are connected with the oil reservoir, the both sides of oil recovery well head connecting pipe are fixed with sleeve valve and production valve respectively; set up spring safety valve body at the top of oil recovery well head connecting pipe, be convenient for carry out the pressure release to the oil that the stratum is heated, the effectual impact of having avoided the oil to oil recovery well head pressure has guaranteed the life-span that oil recovery well head device used, can avoid its internal pressure too big to cause the oil recovery well head to break simultaneously, influences the problem of people's security then, has improved the result of use and the security of device.
Description
Technical Field
The utility model belongs to the technical field of oil development device, concretely relates to oil recovery wellhead assembly with spring relief valve.
Background
Oil recovery refers to a method of pumping crude oil from a formation to the surface, and the oil recovery method mainly comprises two methods of self-injection oil recovery and artificial lift. In the development process of the oil well, after oil testing is carried out on the oil well, a proper mining mode can be selected according to the physical properties and pressure of the oil layer of the oil well, the opening and closing of an oil way are controlled through valve bodies such as a flat valve and a hydraulic safety valve during conveying, then the mined oil is conveyed for a long distance through an oil pipe four-way body, a three-way pipe, a lifting short joint, a sleeve head, an oil pipe head and the like, and safe transportation is facilitated during oil extraction.
Most of existing oil production well heads adopt control valves to control oil on a stratum, when the internal pressure of the oil production well heads is large, the oil production well heads are difficult to decompress, danger is easily caused, impurities are easily doped in the oil on the stratum, the oil production well heads are difficult to clean, pipelines are easily blocked, and oil exploitation is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil recovery wellhead assembly with spring relief valve to it mostly all adopts the control valve to control the oil on stratum to propose current oil recovery well head in solving above-mentioned background art, and when its internal pressure is great, is difficult to carry out the pressure release to it, causes danger easily, easily dopes impurity in the oil on stratum moreover, is difficult to clear up it, easily causes the pipe blockage, causes the problem of influence to oil development.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil recovery wellhead assembly with spring relief valve, includes oil recovery well head connecting pipe, the built-in sleeve pipe of bottom fixedly connected with of oil recovery well head connecting pipe, built-in sheathed tube outside cover is equipped with external sleeve pipe, and external sheathed tube bottom fixedly connected with oil pipe, oil pipe's outside fixed cover is equipped with the protective sheath, oil pipe and protective sheath are all buried underground in ground and are connected with the oil reservoir, oil recovery well head connecting pipe's both sides respectively fixed mounting have casing valve and production valve, and fixedly connected with is located the tube head on the oil recovery well head connecting pipe between casing valve and the production valve, the fixed cover of one end of production valve is equipped with the glib talker, and the one end fixedly connected with of glib goes out oil pipe, the top fixed mounting of oil recovery well head connecting.
Preferably, the spring safety valve body comprises an elastic piece, a valve rod, a valve core, a handle and a shell.
Preferably, the annular sealing gasket positioned below the built-in sleeve is nested inside the external sleeve, and the external sleeve is in threaded connection with the oil pipe through a fastening bolt.
Preferably, annular seal gasket includes backing plate and protruding pad, the backing plate cover is established between external sleeve pipe and oil pipe, the top and the equal fixedly connected with protruding pad in bottom of backing plate, and protruding pad and external sleeve pipe and the inside in close contact with of oil pipe, and backing plate and protruding pad are made by rubber.
Preferably, two symmetrical slotted holes are formed in the external sleeve, and the two slotted holes are matched with the diameter value of the fastening bolt.
Preferably, the valve core of the spring safety valve body is made of rubber materials, and the valve core is in close contact with the inside of the oil production wellhead connecting pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. set up spring safety valve body at the top of oil recovery well head connecting pipe, be convenient for carry out the pressure release to the oil that the stratum is heated, the effectual impact of having avoided the oil to oil recovery well head pressure has guaranteed the life-span that oil recovery well head device used, can avoid its internal pressure too big to cause the oil recovery well head to break simultaneously, influences the problem of people's security then, has improved the result of use and the security of device.
2. Set up annular seal gasket between external sleeve pipe and oil pipe, will stick out the pad and nest respectively in external sleeve pipe and oil pipe's inside, can seal it, prevent that external sleeve pipe and oil pipe pressure are too big and sealed effect is relatively poor, then cause the oil leak of well head, be convenient for connect between two pipelines simultaneously, guaranteed the convenience of the device maintenance, prolonged its life-span of using.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sleeve connection structure of the present invention;
FIG. 3 is a schematic structural view of the annular sealing gasket of the present invention;
fig. 4 is a schematic structural view of the external casing of the present invention.
In the figure: 1. an oil production wellhead connecting pipe; 2. a sleeve is arranged inside; 3. an external sleeve; 4. an oil pipe; 5. a protective sleeve; 6. a sleeve valve; 7. producing a valve; 8. a pipe head; 9. a nozzle tip; 10. a spring safety valve body; 11. fastening a bolt; 12. an annular sealing gasket; 121. a base plate; 122. and (4) protruding the pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an oil extraction wellhead device with a spring safety valve comprises an oil extraction wellhead connecting pipe 1, wherein the bottom of the oil extraction wellhead connecting pipe 1 is fixedly connected with an internal casing 2, an external casing 3 is sleeved outside the internal casing 2, an oil pipe 4 is fixedly connected at the bottom of the external casing 3, a protective sleeve 5 is fixedly sleeved outside the oil pipe 4, the oil pipe 4 and the protective sleeve 5 are both embedded in the ground and connected with an oil layer, a casing valve 6 and a production valve 7 are respectively and fixedly arranged at two sides of the connecting pipe 1 of the oil extraction wellhead, and a pipe head 8 positioned on the oil extraction wellhead connecting pipe 1 is fixedly connected between the sleeve valve 6 and the production valve 7, one end of the production valve 7 is fixedly sleeved with an oil nozzle 9, and one end of the oil nozzle 9 is fixedly connected with an oil outlet pipe, and the top end of the oil extraction wellhead connecting pipe 1 is fixedly provided with a spring safety valve body 10 positioned above the production valve 7.
In this embodiment, it is preferred, spring safety valve body 10 includes the elastic component, the valve rod, the case, handle and shell are constituteed, it is current control valve, utilize spring safety valve body 10, be convenient for carry out the pressure release to the oil that the stratum is heated, the effectual impact of having avoided the oil to oil recovery well head pressure, the life-span of having guaranteed oil recovery well head device use, can avoid its internal pressure too big oil recovery well head that causes to break simultaneously, influence the problem of people's security then, the result of use and the security of device have been improved.
In this embodiment, preferably, the annular sealing gasket 12 located below the internal casing 2 is nested inside the external casing 3, the external casing 3 and the oil pipe 4 are in threaded connection by using the fastening bolt 11, and grooves adapted to the annular sealing gasket 12 are respectively formed inside the external casing 3 and the oil pipe 4, so that the installation of the external casing and the oil pipe is facilitated.
In this embodiment, preferably, the annular sealing gasket 12 includes a backing plate 121 and a protruding pad 122, the backing plate 121 is sleeved between the external casing 3 and the oil pipe 4, the top and the bottom of the backing plate 121 are both fixedly connected with the protruding pad 122, and the protruding pad 122 is in close contact with the inside of the external casing 3 and the oil pipe 4, and the backing plate 121 and the protruding pad 122 are both made of rubber, the annular sealing gasket 12 is arranged between the external casing 3 and the oil pipe 4, the protruding pad 122 is respectively nested inside the external casing 3 and the oil pipe 4, and can be sealed, it is prevented that the external casing 3 and the oil pipe 4 have too large pressure and poor sealing effect, oil leakage at the wellhead is caused, meanwhile, the two pipelines are conveniently connected, convenience in maintenance of the device is guaranteed, and service life of the device is prolonged.
In this embodiment, preferably, two symmetrical slotted holes are formed inside the external casing 3, and the two slotted holes are matched with the diameter value of the fastening bolt 11, so that the external casing is convenient to mount and connect by using the formed slotted holes, and the overhauling convenience and the mounting convenience of the external casing are ensured.
In this embodiment, preferably, the valve core of the spring safety valve body 10 is made of a rubber material, and the valve core is in close contact with the inside of the oil production wellhead connecting pipe 1, so that the valve core can be in closer contact with the control valve housing, and it is ensured that oil does not leak automatically.
The utility model discloses a theory of operation and use flow: at first when the device bottom oil receives when hot, and the collision, open each valve on the device, open spring safety valve body 10 simultaneously, under the effect of pressure, its jack-up elastic component, with the inside jack-up of spring safety valve body 10, then carry out the pressure release to the bottom of well head, and when this well head device's inside damaged or blockked up, twist fastening bolt 11, make it loosen the constraint to between external sleeve pipe 3 and oil pipe 4, lift up the device upwards, make simultaneously that the annular seal gasket 12 of nestification is inside external sleeve pipe 3 and oil pipe 4 separates each other with it, being maintaining the well head device, can.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a production wellhead assembly with spring relief valve, includes production wellhead connecting pipe (1), its characterized in that: the bottom of the oil production wellhead connecting pipe (1) is fixedly connected with an internal casing (2), an external casing (3) is sleeved outside the internal casing (2), an oil pipe (4) is fixedly connected to the bottom of the external casing (3), a protective sleeve (5) is fixedly sleeved outside the oil pipe (4), the oil pipe (4) and the protective sleeve (5) are both buried in the ground and connected with an oil layer, a sleeve valve (6) and a production valve (7) are respectively and fixedly arranged on two sides of the oil extraction wellhead connecting pipe (1), and a pipe head (8) positioned on the oil extraction wellhead connecting pipe (1) is fixedly connected between the sleeve valve (6) and the production valve (7), one end of the production valve (7) is fixedly sleeved with an oil nozzle (9), and the one end fixedly connected with of glib talker (9) goes out oil pipe, the top fixed mounting of oil recovery well head connecting pipe (1) has spring safety valve body (10) that are located production valve (7) top.
2. A production wellhead assembly having a spring operated safety valve as claimed in claim 1, in which: the spring safety valve body (10) comprises an elastic piece, a valve rod, a valve core, a handle and a shell.
3. A production wellhead assembly having a spring operated safety valve as claimed in claim 1, in which: an annular sealing gasket (12) positioned below the built-in sleeve (2) is nested inside the external sleeve (3), and the external sleeve (3) and the oil pipe (4) are in threaded connection through a fastening bolt (11).
4. A production wellhead assembly with a spring operated safety valve as claimed in claim 3, in which: annular seal gasket (12) are including backing plate (121) and protruding pad (122), backing plate (121) cover is established between external sleeve pipe (3) and oil pipe (4), the top and the equal fixedly connected with of bottom of backing plate (121) are protruding to be filled up (122), and protruding pad (122) and external sleeve pipe (3) and the inside in close contact with of oil pipe (4), and backing plate (121) and protruding pad (122) are made by rubber.
5. A production wellhead assembly having a spring operated safety valve as claimed in claim 1, in which: two symmetrical slotted holes are formed in the external sleeve (3), and the two slotted holes are matched with the diameter value of the fastening bolt (11).
6. A production wellhead assembly having a spring operated safety valve as claimed in claim 1, in which: the valve core of the spring safety valve body (10) is made of rubber materials, and the valve core is in close contact with the inside of the oil production wellhead connecting pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747241.7U CN210714594U (en) | 2019-10-18 | 2019-10-18 | Oil production wellhead assembly with spring safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747241.7U CN210714594U (en) | 2019-10-18 | 2019-10-18 | Oil production wellhead assembly with spring safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210714594U true CN210714594U (en) | 2020-06-09 |
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ID=70965476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921747241.7U Expired - Fee Related CN210714594U (en) | 2019-10-18 | 2019-10-18 | Oil production wellhead assembly with spring safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210714594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622857A (en) * | 2021-08-30 | 2021-11-09 | 江苏益马机械有限公司 | High-pressure anti-corrosion integral wellhead device |
| CN114809974A (en) * | 2022-05-26 | 2022-07-29 | 东营芯享石油科技有限公司 | Wellhead Christmas tree device for multi-tube corrosion prevention |
-
2019
- 2019-10-18 CN CN201921747241.7U patent/CN210714594U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622857A (en) * | 2021-08-30 | 2021-11-09 | 江苏益马机械有限公司 | High-pressure anti-corrosion integral wellhead device |
| CN113622857B (en) * | 2021-08-30 | 2022-10-21 | 江苏益马机械有限公司 | High-pressure anti-corrosion integral wellhead device |
| CN114809974A (en) * | 2022-05-26 | 2022-07-29 | 东营芯享石油科技有限公司 | Wellhead Christmas tree device for multi-tube corrosion prevention |
| CN114809974B (en) * | 2022-05-26 | 2023-11-17 | 大庆新顺丰石油科技开发有限公司 | Wellhead Christmas tree device for multi-pipe corrosion prevention |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |