CN203822246U - Oil pipe blowout preventer for oil production system - Google Patents
Oil pipe blowout preventer for oil production system Download PDFInfo
- Publication number
- CN203822246U CN203822246U CN201420164472.6U CN201420164472U CN203822246U CN 203822246 U CN203822246 U CN 203822246U CN 201420164472 U CN201420164472 U CN 201420164472U CN 203822246 U CN203822246 U CN 203822246U
- Authority
- CN
- China
- Prior art keywords
- oil
- valve rod
- chute
- oil pipe
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses an oil pipe blowout preventer for an oil production system, and belongs to the technical field of oil production equipment. The oil pipe blowout preventer for the oil production system comprises a coupling provided with an oil outlet cavity, wherein one end of the coupling is connected with an oil well pump, a plunger piston is glidingly mounted in the oil well pump, the other end of the coupling is connected with a compression joint, a centralizing oil outlet head is connected onto the compression joint located in the coupling, the other end of the compression joint is connected with an oil pipe, a valve rod is glidingly mounted in the centralizing oil outlet head, and a connecting mechanism is arranged between the valve rod and the plunger piston; a blocking mechanism is arranged between the other end of the valve rod and the compression joint, and a plurality of oil outlet holes are formed in the centralizing oil outlet head; a mounting groove is formed in one end, close to the connecting mechanism, of the centralizing oil outlet head, and an elastic element is arranged in the mounting groove; and a sliding chute and a clamping groove which are communicated mutually are formed in the centralizing oil outlet head, and a guide pin glidingly mounted in the sliding chute is arranged on the valve rod in the position corresponding to the sliding chute. With the adoption of the oil pipe blowout preventer for the oil production system, oil is effectively prevented from ejecting out of the ground, the work operation and the worker safety are guaranteed, and the operation efficiency is improved; and meanwhile, the ecology is protected.
Description
Technical field
The utility model belongs to oil exploration equipment technical field, relates in particular to a kind of oil extraction system oil pipe blowout device.
Background technology
Present stage, in petroleum industry oil extraction, often can press higher oil well to carry out operation to well, as: steam injection well and thermal production well etc., because oil well pump is directly connected with oil pipe, in process when maintenance or in operation, when the plunger of oil well pump propose or the plunger of oil well pump lower fashionable, the fluid of down-hole very easily sprays ground, cause well site environment pollution, not only affect workman's normal operation, returning ecology does a lot of damage, also increased operating cost simultaneously, reduced operating efficiency, and can bring many beyond thought potential safety hazards, jeopardize personal safety.
Utility model content
The purpose of this utility model is to provide a kind of oil extraction system oil pipe blowout device, is intended to solve in oil recovery process, and fluid very easily sprays ground, pollutes well site environment, causes ecological disruption and affects normal operation, causes the problem that operating efficiency is low.
For solving the problems of the technologies described above, the technical solution of the utility model is: oil extraction system oil pipe blowout device, comprise the box cupling that is provided with fuel-displaced cavity, one end of described box cupling is connected with oil well pump, in described oil well pump, be slidably fitted with the plunger that is provided with fuel-displaced pipeline, the other end of described box cupling is connected with pressed joint, be positioned at and on the described pressed joint of described box cupling, be connected with righting and go out oil head, the other end of described pressed joint is connected with oil pipe, described righting goes out in oil head to be slidably fitted with valve rod, between described valve rod and described plunger, is provided with bindiny mechanism;
On described valve rod, away from being provided with the plugging mechanism for shutoff between one end of described bindiny mechanism and described pressed joint, described righting goes out the oil outlet that is provided with the described fuel-displaced cavity of some connections in oil head near one end of described plugging mechanism;
Described righting goes out one end near described bindiny mechanism in oil head and is provided with mounting groove, is provided with for driving the flexible member of described valve rod return in described mounting groove; Described righting goes out oil head and is provided with chute and the draw-in groove being interconnected, and is provided with a guide finger being slidably mounted in described chute with the described valve rod of described chute opposite position.
As a kind of improvement, described bindiny mechanism comprises the contiguous block being arranged on described valve rod, and described contiguous block is provided with projection, and described plunger is provided with the groove suitable with described projection near one end of described valve rod.
As a kind of improvement, described plugging mechanism comprises spool, and described spool is arranged on described valve rod away from one end of described bindiny mechanism and extends in described pressed joint; Described righting goes out the valve seat that is provided with the described spool displacement of restriction between oil head and described pressed joint, and described valve seat is provided with the through hole passing for described valve rod, and the diameter of described through hole is less than the diameter of described spool.
As further improvement, the side near described spool on described valve seat is provided with the deep-slotted chip breaker communicating with described through hole; Described spool is made as the arc body suitable with described deep-slotted chip breaker near one end of described valve seat.
As a kind of improvement, described flexible member is back-moving spring, and described back-moving spring is set on described valve rod and leans on described contiguous block.
As a kind of improvement, described chute and described draw-in groove vertically be arranged in parallel, and the gathering sill that is provided with the described chute of a connection and described draw-in groove between described chute and described draw-in groove and is obliquely installed is obtuse angle between described gathering sill and described chute.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
Owing to being slidably fitted with plunger in oil well pump, between valve rod and plunger, be provided with bindiny mechanism, between valve rod and pressed joint, be provided with plugging mechanism, and the guide finger on valve rod is slidably mounted in the chute that righting goes out oil head, thereby when needs recover the oil, it is descending that plunger promotes the elastic force that bindiny mechanism overcomes flexible member, guide finger in chute down sliding until guide finger enter in draw-in groove and block, now plugging mechanism is opened, plunger return, and then through oil outlet, enter fuel-displaced cavity from the oil of oil pipe conveying, by fuel-displaced pipeline, realize normal oil recovery; Otherwise bindiny mechanism is transformed into chute with the guide finger on ovable valve stem from draw-in groove, rely on the elastic band ovable valve stem return of flexible member, plugging mechanism is closed, and realizes blowout prevention, now just can keep in repair or upkeep operation.Adopt this oil extraction system oil pipe blowout device, effectively prevent oil ejection ground, what not only guaranteed work carries out the safety with workman smoothly, also improved operating efficiency, and operating cost is low; Meanwhile, protect ecology, avoided well site environment pollution.
Because contiguous block is provided with projection, plunger is provided with the groove suitable with projection, thereby the bindiny mechanism consisting of groove and projection combination realizes the closed with separated, simple in structure, easy to operate of bindiny mechanism, and does not affect the normal output of oil.
Because righting goes out the valve seat that is provided with restriction spool displacement between oil head and pressed joint, the valve rod that is provided with one end of spool extends in pressed joint, thereby by valve seat and spool mix proportion plugging mechanism, and then when keeping in repair or operation needs, realize blowout prevention performance, simple in structure, blowout prevention is effective, and cost is low.
Because spool is made as the arc body suitable with deep-slotted chip breaker near one end of valve seat, thereby by deep-slotted chip breaker and the arc body of cooperatively interacting, further improve sealing effectiveness, and then when maintenance or operation need, effectively improved blowout prevention performance.
Owing to being provided with a gathering sill being obliquely installed between chute and draw-in groove, thereby by gathering sill, guide finger just can switch smoothly between draw-in groove and chute, is convenient to replacing duty promptly and accurately, the efficiency while further having improved work and maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment while recovering the oil state;
Structural representation when Fig. 2 is the utility model embodiment blowout prevention state;
In figure, 1-valve rod; 2-Compress Spring; 3-box cupling; 4-righting goes out oil head; 5-guide finger; 6-valve seat; 7-pressed joint; 8-spool; 9-oil well pump; 10-oil pipe; 11-plunger; 12-projection; 13-contiguous block; 14-groove; The fuel-displaced cavity of 15-; 16-draw-in groove; 17-chute; 18-oil outlet; 19-through hole; 20-deep-slotted chip breaker; 21-gathering sill; 22-mounting groove; The fuel-displaced pipeline of 23-.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 and Fig. 2 are common, this oil extraction system comprises the box cupling 3 that is provided with fuel-displaced cavity 15 with oil pipe blowout device, the threaded one end of this box cupling 3 is connected with oil well pump 9, in this oil well pump 9, be slidably fitted with plunger 11, in this plunger 11, be provided with fuel-displaced pipeline 23, the other end of this box cupling 3 pressed joint 7 that has been threaded, be positioned at the righting that has been threaded on the pressed joint 7 of box cupling 3 and go out oil head 4, the other end of this pressed joint 7 is connected with oil pipe 10, this righting goes out in oil head 4, to be slidably fitted with valve rod 1, between this valve rod 1 and plunger 11, be provided with bindiny mechanism, this bindiny mechanism comprises the contiguous block 13 that is arranged on valve rod 1 end, this contiguous block 13 is provided with projection 12, this plunger 11 is provided with the groove 14 suitable with projection 12 near one end of valve rod 1.
On this valve rod 1, away from being provided with the plugging mechanism for shutoff between one end of contiguous block 13 and pressed joint 7, this plugging mechanism comprises spool 8, and this spool 8 is arranged on valve rod 1 away from one end of contiguous block 13 and extends in pressed joint 7; This righting goes out in oil head 4 to be provided with shoulder hole, is provided with the valve seat 6 of restriction spool 8 displacements between this shoulder hole and pressed joint 7, and this valve seat 6 is provided with the through hole 19 passing for valve rod 1, and the diameter of this through hole 19 is less than the diameter of spool 8; A side near spool 8 on this valve seat 6 is provided with the deep-slotted chip breaker 20 communicating with through hole 19, and this spool 8 is made as the arc body suitable with deep-slotted chip breaker 20 near one end of valve seat 6.
This righting goes out the oil outlet 18 that is provided with the fuel-displaced cavity 15 of some connections in oil head 4 near one end of valve seat 6, and this oil outlet 18 is positioned at the top of valve seat 6; This righting goes out one end near contiguous block 13 in oil head 4 and is provided with mounting groove 22, in this mounting groove 22, be provided with for the flexible member with ovable valve stem 1 return, this flexible member is back-moving spring, this back-moving spring is preferably Compress Spring 2, and this Compress Spring 2 is set on valve rod 1 and leans on contiguous block 13.
This righting goes out oil head 4 and is provided with chute 17 and the draw-in groove 16 that is interconnected and vertically be arranged in parallel, between this chute 17 and draw-in groove 16, be provided with the gathering sill 21 being obliquely installed, between this gathering sill 21 and chute 17, be obtuse angle, be provided with a guide finger 5 being slidably mounted in chute 17 with the valve rod 1 of chute 17 opposite positions.
In actual applications, in the time of need to recovering the oil, the groove 14 on this plunger 11 and projection 12 combinations on contiguous block 13, the elastic force that these plunger 11 promotion valve rods 1 overcome Compress Spring 2 is descending.This guide finger 5 is at the interior down sliding of chute 17, guide finger 5 relies on gathering sill 21 enter in draw-in groove 16 and block, now spool 8 is separated with valve seat 6, these plunger 11 returns, and then through oil outlet 18, enter fuel-displaced cavity 15 from the oil of oil pipe 10 conveyings, by fuel-displaced pipeline 23, realize normal recover the oil (referring to Fig. 1); Otherwise, this plunger 11 is descending, this groove 14 and protruding 12 combinations, and from draw-in groove 16, be transformed into chute 17 with the guide finger 5 on ovable valve stem 1, rely on elastic band ovable valve stem 1 return of Compress Spring 2, this spool 8 and valve seat 6 are closed, and realize blowout prevention (referring to Fig. 2), now just can keep in repair or upkeep operation.Adopt this oil extraction system oil pipe blowout device, effectively prevent oil ejection ground, what not only guaranteed work carries out the safety with workman smoothly, also improved operating efficiency, and operating cost is low; Meanwhile, protect ecology, avoided well site environment pollution.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. oil extraction system oil pipe blowout device, comprise the box cupling that is provided with fuel-displaced cavity, one end of described box cupling is connected with oil well pump, in described oil well pump, be slidably fitted with the plunger that is provided with fuel-displaced pipeline, it is characterized in that, the other end of described box cupling is connected with pressed joint, be positioned at and on the described pressed joint of described box cupling, be connected with righting and go out oil head, the other end of described pressed joint is connected with oil pipe, described righting goes out in oil head to be slidably fitted with valve rod, between described valve rod and described plunger, is provided with bindiny mechanism;
On described valve rod, away from being provided with the plugging mechanism for shutoff between one end of described bindiny mechanism and described pressed joint, described righting goes out the oil outlet that is provided with the described fuel-displaced cavity of some connections in oil head near one end of described plugging mechanism;
Described righting goes out one end near described bindiny mechanism in oil head and is provided with mounting groove, is provided with for driving the flexible member of described valve rod return in described mounting groove; Described righting goes out oil head and is provided with chute and the draw-in groove being interconnected, and is provided with a guide finger being slidably mounted in described chute with the described valve rod of described chute opposite position.
2. oil extraction system according to claim 1 oil pipe blowout device, it is characterized in that, described bindiny mechanism comprises the contiguous block being arranged on described valve rod, and described contiguous block is provided with projection, and described plunger is provided with the groove suitable with described projection near one end of described valve rod.
3. oil extraction system according to claim 1 oil pipe blowout device, is characterized in that, described plugging mechanism comprises spool, and described spool is arranged on described valve rod away from one end of described bindiny mechanism and extends in described pressed joint; Described righting goes out the valve seat that is provided with the described spool displacement of restriction between oil head and described pressed joint, and described valve seat is provided with the through hole passing for described valve rod, and the diameter of described through hole is less than the diameter of described spool.
4. oil extraction system according to claim 3 oil pipe blowout device, is characterized in that, the side near described spool on described valve seat is provided with the deep-slotted chip breaker communicating with described through hole; Described spool is made as the arc body suitable with described deep-slotted chip breaker near one end of described valve seat.
5. oil extraction system according to claim 1 oil pipe blowout device, is characterized in that, described flexible member is back-moving spring, and described back-moving spring is set on described valve rod and leans on described contiguous block.
6. oil extraction system according to claim 1 oil pipe blowout device, it is characterized in that, described chute and described draw-in groove vertically be arranged in parallel, the gathering sill that is provided with the described chute of a connection and described draw-in groove between described chute and described draw-in groove and is obliquely installed is obtuse angle between described gathering sill and described chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164472.6U CN203822246U (en) | 2014-04-04 | 2014-04-04 | Oil pipe blowout preventer for oil production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164472.6U CN203822246U (en) | 2014-04-04 | 2014-04-04 | Oil pipe blowout preventer for oil production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822246U true CN203822246U (en) | 2014-09-10 |
Family
ID=51477759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164472.6U Expired - Fee Related CN203822246U (en) | 2014-04-04 | 2014-04-04 | Oil pipe blowout preventer for oil production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822246U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558952A (en) * | 2017-08-24 | 2018-01-09 | 中海油能源发展股份有限公司 | Anti-spraying safety valve under a kind of Mechanical course high temperature well |
| CN108194720A (en) * | 2018-03-01 | 2018-06-22 | 国网河南省电力公司电力科学研究院 | A kind of transformer or reactor are with taking oily transit joint |
-
2014
- 2014-04-04 CN CN201420164472.6U patent/CN203822246U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558952A (en) * | 2017-08-24 | 2018-01-09 | 中海油能源发展股份有限公司 | Anti-spraying safety valve under a kind of Mechanical course high temperature well |
| CN108194720A (en) * | 2018-03-01 | 2018-06-22 | 国网河南省电力公司电力科学研究院 | A kind of transformer or reactor are with taking oily transit joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX348996B (en) | Jarring method and apparatus using fluid pressure to reset jar. | |
| WO2012146970A3 (en) | Smart hydraulic pumping device for recovering oil and obtaining down-hole information | |
| CN103939052B (en) | A kind of fluid pressure type no killing well down-hole switch | |
| CN203822246U (en) | Oil pipe blowout preventer for oil production system | |
| CN103104217A (en) | Drilling following cable underground hydraulic control sleeving valve | |
| CN105507869A (en) | Sliding sleeve opening-closing string | |
| CN103132951A (en) | High-pressure well-mouth continuous feeding device | |
| CN104314923B (en) | A kind of relief valve return liquid system and integrated relief valve return liquid valve block | |
| CN201277164Y (en) | Oil-draining lubricator type oil pump | |
| CN203962006U (en) | Manual backwashing filter device core assembly | |
| CN203757090U (en) | Self-closing check valve | |
| CN203603834U (en) | Underground shooting-type plugging tool for coiled tubing | |
| CN203926208U (en) | A kind of locking cylinder with automatic fastening function | |
| CN203925407U (en) | A kind of coiled tubing pipe close | |
| CN202176769U (en) | A high pressure liquid check valve | |
| CN201526293U (en) | Blowout preventing tubing anchor | |
| CN204040994U (en) | A kind of gradually deblocking packer of oilfield exploitation | |
| CN202810787U (en) | Multifunctional hot washing valve | |
| CN204899828U (en) | Ball ware is caught to well head | |
| CN104948779A (en) | Self-closed check valve | |
| CN204300610U (en) | A kind of PE pipe hydraulic packer | |
| CN204082074U (en) | Oilfield construction blowout prevention storage and transportation apparatus | |
| CN202250744U (en) | Blowout prevention oil well pump | |
| CN204703842U (en) | Protective valve | |
| CN101793128A (en) | Blowout preventing tubing anchor |
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: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |