CN209100004U - A kind of sucker rod annular blowout preventer - Google Patents
A kind of sucker rod annular blowout preventer Download PDFInfo
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- CN209100004U CN209100004U CN201821983052.5U CN201821983052U CN209100004U CN 209100004 U CN209100004 U CN 209100004U CN 201821983052 U CN201821983052 U CN 201821983052U CN 209100004 U CN209100004 U CN 209100004U
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Abstract
The utility model discloses a kind of sucker rod annular blowout preventers, belong to oilfield exploitation technical field.The sucker rod annular blowout preventer includes: that sleeve is arranged in the shell, and anti-glue spraying core is arranged in sleeve；The first end of piston rod is slidably arranged in sleeve, and the second end of piston rod is connect with piston, and piston is slidably arranged in shell, and shell is divided into the first chamber and the second chamber by piston；The first fuel feed hole and the second fuel feed hole are offered on shell, the first fuel feed hole is connected to the first chamber, and the second fuel feed hole is connected to the second chamber；Sucker rod sequentially passes through anti-glue spraying core and piston rod；The first end of piston rod opens up the first groove by circular cone shape, and the end face of first end of the anti-glue spraying core towards piston rod is the first protrusion of circular cone shape, and the first protrusion is corresponding with the first groove.Blowout prevention may be implemented in the utility model sucker rod annular blowout preventer, guarantees safety.
Description
Technical field
The utility model relates to oilfield exploitation technical field, in particular to a kind of sucker rod annular blowout preventer.
Background technique
Blowout is oil industry dialect, refers to that formation fluid (oil, gas and water) continuously pours in pit shaft without control, sprays
Ground or the phenomenon that invade other low pressure layer positions out.
During oil mining, prevent the most important thing that blowout is construction, when pump detection and workover often occurs with pressure
Actuating oil-pumping unit, existing frequently-used ram preventer have the disadvantage in that
1, it cannot achieve with pressure lower tubular column；
2, occur not closing at the first time when blowout；
3, the sucker rod of different size needs mating dedicated shut-in well glue core, constructs cumbersome, glue core is easy to damage.
Utility model content
The utility model provides a kind of sucker rod annular blowout preventer, solves or part solves flashboard in the prior art
Preventer cannot achieve with pressure lower tubular column, can not close at the first time, and the sucker rod of different size needs mating dedicated envelope
The technical issues of well glue core.
In order to solve the above technical problems, it includes: shell, work that the utility model, which provides a kind of sucker rod annular blowout preventer,
Stopper rod, piston, anti-glue spraying core and sleeve；The sleeve is arranged in the shell, and the anti-glue spraying core is arranged in the sleeve
It is interior；The first end of the piston rod is slidably arranged in the sleeve, the second end of the piston rod and the piston
Connection, the piston are slidably arranged in the shell, and the shell is divided into the first chamber and the second chamber by the piston；
The first fuel feed hole and the second fuel feed hole are offered on the shell, first fuel feed hole is connected to first chamber, and described
Two fuel feed holes are connected to second chamber；The sucker rod sequentially passes through the anti-glue spraying core and piston rod；Wherein, the piston
The first end of bar opens up the first groove by circular cone shape, and the end face of first end of the anti-glue spraying core towards the piston rod is
First protrusion of circular cone shape, first protrusion are corresponding with first groove.
Further, the first connector is provided at the top of the shell, the bottom of the shell is provided with the second connector, institute
The second connector is stated to be arranged in the piston rod.
Further, glue core fixed ring is provided between first connector and the sleeve；The glue core fixed ring with
The shell connection, the anti-glue spraying core are connect with the glue core fixed ring.
Further, the glue core fixed ring is towards the second groove for offering annular on the end face of the anti-glue spraying core；
The anti-glue spraying core is towards the second protrusion for offering annular on the end face of the glue core fixed ring；The second protrusion insertion institute
It states in the second groove.
Further, the housing bottom is provided with plug.
Further, countersunk head threaded hole is offered on first connector and the plug.
Further, the first O-ring is provided between first connector and the shell；The glue core fixed ring and institute
It states and is provided with the second O-ring between shell；Third O-ring is provided between second connector and the plug；Described second
The 4th O-ring is provided between connector and the piston rod；The 9th O-ring is provided between the plug and the shell.
Further, the second end of the piston rod is connect with the piston thread.
Further, the 5th O-ring is provided between the sleeve and the shell；The sleeve and the piston rod it
Between be provided with the 6th O-ring；The 7th O-ring is provided between the piston and the shell；The piston and the piston rod
Between be provided with the 8th O-ring；The 9th O-ring is provided between the plug and the shell.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Since sleeve is arranged in the shell, anti-glue spraying core is arranged in sleeve, and the first end of piston rod is slideable
Ground is arranged in sleeve, and the second end of piston rod is connect with piston, and piston is slidably arranged in shell, and piston is by shell
It is divided into the first chamber and the second chamber, the first fuel feed hole and the second fuel feed hole is offered on shell, the first fuel feed hole is connected to the first chamber,
Second fuel feed hole is connected to the second chamber, and sucker rod sequentially passes through anti-glue spraying core and piston rod, and the first end of piston rod is opened up by justifying
The first pyramidal groove, the end face of first end of the anti-glue spraying core towards piston rod are the first protrusion of circular cone shape, and first is convex
Rise it is corresponding with the first groove, so, when blowout occurs, the first fuel feed hole of hydraulic oil enter the first chamber, hydraulic oil promotion work
It goes beyond the Great Wall, piston driving piston rod uplink, the first groove of piston rod squeezes the first protrusion of anti-glue spraying core, and anti-glue spraying core is held tightly
Sucker rod forms sealing, can be applicable in the sucker rod of different model, no replacement is required glue core, improves working efficiency, and sucker rod can be with
It is slowly risen in the case where anti-glue spraying core is held tightly and puts tubing string, pit shaft can be closed at the first time, prevent oil gas from sucker rod and oil
Pipe ring sky sprays, and prevents the generation of safety accident, improves operational security, can be pumped during blowout prevention with lift pipe string with pressure
Bar box cupling can pass through anti-glue spraying core, and when bottom pressure release, hydraulic oil enters the second chamber from the second fuel feed hole, hydraulic
Oil pushes piston downlink, piston driving piston rod downlink, and anti-glue spraying core bounces back under the action of own resilient and sets back, convenient
Blowout prevention may be implemented in actuating oil-pumping unit, guarantees safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sucker rod annular blowout preventer provided by the embodiment of the utility model.
Specific embodiment
Referring to Fig. 1, it includes: shell 7, piston rod that the utility model embodiment, which provides a kind of sucker rod annular blowout preventer,
6, piston 13, anti-glue spraying core 5 and sleeve 9.
Sleeve 9 is arranged in shell 7, and anti-glue spraying core 5 is arranged in sleeve 9.
The first end of piston rod 6 is slidably arranged in sleeve 9, and the second end of piston rod 6 is connect with piston 13, living
Plug 13 is slidably arranged in shell 7, and piston 13 divides shell 7 for the first chamber and the second chamber.
The first fuel feed hole 66 and the second fuel feed hole 55 are offered on shell 7, the first fuel feed hole 66 is connected to the first chamber, and second
Fuel feed hole 55 is connected to the second chamber.
Sucker rod sequentially passes through anti-glue spraying core 5 and piston rod 6.
Wherein, the first end of piston rod 6 opens up the first groove by circular cone shape, anti-glue spraying core 5 towards piston rod 6
The end face of one end is the first protrusion of circular cone shape, and the first protrusion is corresponding with the first groove.
The application specific embodiment is since sleeve 9 is arranged in shell 7, and anti-glue spraying core 5 is arranged in sleeve 9, piston
The first end of bar 6 is slidably arranged in sleeve 9, and the second end of piston rod 6 is connect with piston 13, and piston 13 is slideable
Ground is arranged in shell 7, and piston 13 divides shell 7 for the first chamber and the second chamber, and the first fuel feed hole 66 and the are offered on shell 7
Two fuel feed holes 55, the first fuel feed hole 66 are connected to the first chamber, and the second fuel feed hole 55 is connected to the second chamber, and is offered on shell 7
One fuel feed hole 66 and the second fuel feed hole 55, the first fuel feed hole 66 are connected to the first chamber, and the second fuel feed hole 55 is connected to the second chamber, are taken out
Beam hanger sequentially passes through anti-glue spraying core 5 and piston rod 6, and the first end of piston rod 6 opens up the first groove by circular cone shape, anti-glue spraying
The end face of core 5 towards the first end of piston rod 6 is the first protrusion of circular cone shape, the first raised, institute corresponding with the first groove
With when blowout occurs, the first fuel feed hole of hydraulic oil 66 enters the first chamber, and hydraulic oil pushes 13 uplink of piston, and piston 13 drives
6 uplink of piston rod, the first groove of piston rod 6 squeeze the first protrusion of anti-glue spraying core 5, and anti-glue spraying core 5 is held sucker rod tightly and formed
Sealing, can be applicable in the sucker rod of different model, no replacement is required glue core, improve working efficiency, sucker rod can be in anti-glue spraying core
It is slowly risen in the case where holding and puts tubing string, pit shaft can be closed at the first time, prevent oil gas from spraying from R a T annular space,
The generation for preventing safety accident, improves operational security, can be suitable with lift pipe string with pressure, rod collar during blowout prevention
Benefit is by anti-glue spraying core, and when bottom pressure release, hydraulic oil enters the second chamber from the second fuel feed hole 55, and hydraulic oil pushes piston
13 downlinks, piston 13 drive 6 downlink of piston rod, and anti-glue spraying core 5 bounces back under the action of own resilient and sets back, conveniently removes
Blowout prevention may be implemented in sucker rod, guarantees safety.
The structure of shell 7 is discussed in detail.
The top of shell 7 is fixedly installed the first connector 1.Specifically, in the present embodiment, the first connector 1 is embedded in shell
The top of body 7.First connector 1 can be connect with external device.The bottom of shell 7 is fixedly installed the second connector 18.Specifically,
In the present embodiment, the bottom of the second connector 18 insertion shell 7.Second connector 18 is fixed in piston rod 6, can be passed through
Second connector 18 is connect with the equipment of well head, and shell 7 is fixed at well head.
Wherein, sucker rod sequentially passes through anti-glue spraying core 5, piston rod 6 and lower contact 18.
Glue core fixed ring 4 is provided between first connector 1 and sleeve 9, specifically, in the present embodiment, glue core is fixed
Ring 4 is on the inner wall of sleeve 9.
Glue core fixed ring 4 is fixedly connected with shell 7.Specifically, in the present embodiment, glue core fixed ring 4 is embedded in shell
On the inner wall of body 7.
Anti- glue spraying core 4 is fixedly connected with glue core fixed ring 5.Glue core fixed ring 4 is towards offering on the end face of anti-glue spraying core 5
Second groove of annular；Anti- glue spraying core 5 is towards the second protrusion for offering annular on the end face of glue core fixed ring 4；Second protrusion
It is embedded in the second groove.
7 bottom of shell is fixedly installed plug 16.Specifically, in the present embodiment, plug 16 is embedded in the shell 7
Bottom.
Countersunk head threaded hole 111 is offered on first connector 1, countersunk head threaded hole 222 is offered on plug 16, is convenient for and the external world
Equipment connection.
The first O-ring 2 is provided between first connector 1 and shell 7；Second is provided between glue core fixed ring 4 and shell 7
O-ring 3；Third O-ring 17 is provided between second connector 18 and plug 16；It is provided between second connector 18 and piston rod 6
4th O-ring 11；The 9th O-ring 15 is provided between plug 16 and shell 7；Guarantee leakproofness.
The second end of piston rod 6 is threadedly coupled with piston 13, guarantees the fixing of connection.
The 5th O-ring 8 is provided between sleeve 9 and shell 7；The 6th O-ring 10 is provided between sleeve 9 and piston rod 6；
The 7th O-ring 12 is provided between piston 13 and shell 7；The 8th O-ring 14 is provided between piston 13 and piston rod 6；Guarantee
Leakproofness.
The utility model embodiment is introduced in order to become apparent from, is given from the application method of the utility model embodiment below
It introduces.
Sleeve 9 is arranged in shell 7, anti-glue spraying core 5 is arranged in sleeve 9, and the first end of piston rod 6 is slidably
It is arranged in sleeve 9, the second end of piston rod 6 is connect with piston 13, and piston 13 is slidably arranged in shell 7, piston
13 divide shell 7 for the first chamber and the second chamber.The first fuel feed hole 66 and the second fuel feed hole 55, the first oil inlet are offered on shell 7
Hole 66 is connected to the first chamber, and the second fuel feed hole 55 is connected to the second chamber, and the first fuel feed hole 66 and the second oil inlet are offered on shell 7
Hole 55, the first fuel feed hole 66 are connected to the first chamber, and the second fuel feed hole 55 is connected to the second chamber, and sucker rod sequentially passes through anti-glue spraying core
5 and piston rod 6, the first end of piston rod 6 opens up the first groove by circular cone shape, and anti-glue spraying core 5 is towards the first of piston rod 6
The end face at end is the first protrusion of circular cone shape, and the first protrusion is corresponding with the first groove.Second connector 18 is fixed at work
In stopper rod 6, it is connect by the second connector 18 with the equipment of well head, shell 7 is fixed at well head.
When normal condition, when actuating oil-pumping unit, sucker rod sequentially passes through anti-glue spraying core 5, piston rod 6 and lower contact 18
Pass through.
When blowout occurs, the first fuel feed hole of hydraulic oil 66 enters the first chamber, and hydraulic oil pushes 13 uplink of piston, piston 13
Drive 6 uplink of piston rod.First groove of piston rod 6 squeezes the first protrusion of anti-glue spraying core 5, and anti-glue spraying core 5 holds sucker rod tightly
Sealing is formed, the sucker rod of different model can be applicable in, no replacement is required glue core improves working efficiency, and sucker rod can be in blowout prevention
Glue core slowly rises in the case where holding tightly puts tubing string, can close pit shaft at the first time, prevent oil gas from R a T annular space
It sprays, prevents the generation of safety accident, improve operational security, it can be with lift pipe string with pressure, rod collar during blowout prevention
Anti- glue spraying core can be passed through.
When bottom pressure release, hydraulic oil enters the second chamber from the second fuel feed hole 55, and hydraulic oil pushes 13 downlink of piston,
Piston 13 drives 6 downlink of piston rod, and anti-glue spraying core 5 bounces back under the action of own resilient and sets back, and facilitates actuating oil-pumping unit,
Blowout prevention may be implemented, guarantee safety.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of sucker rod annular blowout preventer characterized by comprising shell, piston rod, piston, anti-glue spraying core and sleeve；
The sleeve is arranged in the shell, and the anti-glue spraying core is arranged in the sleeve；
The first end of the piston rod is slidably arranged in the sleeve, the second end of the piston rod and the piston
Connection, the piston are slidably arranged in the shell, and the shell is divided into the first chamber and the second chamber by the piston；
The first fuel feed hole and the second fuel feed hole are offered on the shell, first fuel feed hole is connected to first chamber, institute
The second fuel feed hole is stated to be connected to second chamber；
The sucker rod sequentially passes through the anti-glue spraying core and piston rod；
Wherein, the first end of the piston rod opens up the first groove by circular cone shape, and the anti-glue spraying core is towards the piston
The end face of the first end of bar is the first protrusion of circular cone shape, and first protrusion is corresponding with first groove.
2. sucker rod annular blowout preventer according to claim 1, it is characterised in that:
The first connector is provided at the top of the shell, the bottom of the shell is provided with the second connector, and second connector is set
It sets in the piston rod.
3. sucker rod annular blowout preventer according to claim 2, it is characterised in that:
Glue core fixed ring is provided between first connector and the sleeve；
The glue core fixed ring is connect with the shell, and the anti-glue spraying core is connect with the glue core fixed ring.
4. sucker rod annular blowout preventer according to claim 3, it is characterised in that:
The glue core fixed ring is towards the second groove for offering annular on the end face of the anti-glue spraying core；
The anti-glue spraying core is towards the second protrusion for offering annular on the end face of the glue core fixed ring；
Second protrusion is embedded in second groove.
5. sucker rod annular blowout preventer according to claim 2, it is characterised in that:
The housing bottom is provided with plug.
6. sucker rod annular blowout preventer according to claim 5, it is characterised in that:
Countersunk head threaded hole is offered on first connector and the plug.
7. sucker rod annular blowout preventer according to claim 5, it is characterised in that:
The first O-ring is provided between first connector and the shell；
The second O-ring is provided between the glue core fixed ring and the shell；
Third O-ring is provided between second connector and the plug；
The 4th O-ring is provided between second connector and the piston rod；
The 9th O-ring is provided between the plug and the shell.
8. sucker rod annular blowout preventer according to claim 1, it is characterised in that:
The second end of the piston rod is connect with the piston thread.
9. sucker rod annular blowout preventer according to claim 1, it is characterised in that:
The 5th O-ring is provided between the sleeve and the shell；
The 6th O-ring is provided between the sleeve and the piston rod；
The 7th O-ring is provided between the piston and the shell；
The 8th O-ring is provided between the piston and the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983052.5U CN209100004U (en) | 2018-11-29 | 2018-11-29 | A kind of sucker rod annular blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983052.5U CN209100004U (en) | 2018-11-29 | 2018-11-29 | A kind of sucker rod annular blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100004U true CN209100004U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821983052.5U Active CN209100004U (en) | 2018-11-29 | 2018-11-29 | A kind of sucker rod annular blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012866A (en) * | 2022-06-17 | 2022-09-06 | 盘锦博瑞石油工程有限公司 | Rotary blowout preventer |
| CN116335575A (en) * | 2023-05-23 | 2023-06-27 | 东营孚瑞特能源设备有限公司 | Auxiliary device for petroleum well repairing operation |
-
2018
- 2018-11-29 CN CN201821983052.5U patent/CN209100004U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012866A (en) * | 2022-06-17 | 2022-09-06 | 盘锦博瑞石油工程有限公司 | Rotary blowout preventer |
| CN115012866B (en) * | 2022-06-17 | 2024-05-03 | 盘锦博瑞石油工程有限公司 | Rotary blowout preventer |
| CN116335575A (en) * | 2023-05-23 | 2023-06-27 | 东营孚瑞特能源设备有限公司 | Auxiliary device for petroleum well repairing operation |
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