CN207568514U - Centralizing blowout preventer for oil pumping well - Google Patents
Centralizing blowout preventer for oil pumping well Download PDFInfo
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- CN207568514U CN207568514U CN201721552240.8U CN201721552240U CN207568514U CN 207568514 U CN207568514 U CN 207568514U CN 201721552240 U CN201721552240 U CN 201721552240U CN 207568514 U CN207568514 U CN 207568514U
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- rod
- elastic component
- sleeve
- supporting positive
- positive cover
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- 238000005086 pumping Methods 0.000 title 1
- 230000000903 blocking effect Effects 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a centralized blowout preventer of rod-pumped well belongs to oil field development equipment field. The centralizing blowout preventer for the rod-pumped well comprises a centralizing assembly and a plugging assembly, when the polish rod is not broken and disengaged, the polish rod can sequentially pass through the interiors of the first centralizing sleeve, the cavity, the second centralizing sleeve and the second elastic part and then is put into a well head, and under the centralizing action of the first centralizing sleeve and the second centralizing sleeve, normal oil extraction operation of the polish rod is realized, the service life of a packing can be prolonged, and the production cost is reduced; when the polish rod is broken and separated, the ball body cannot abut against the polish rod any more, enters the cavity under the elastic action of the first elastic piece and is pushed by the second centering sleeve to move upwards under the elastic action of the second elastic piece, so that the first through hole is blocked, liquid in the well cannot overflow from the blowout prevention box after the polish rod is broken and separated, and the pollution to the wellhead environment is prevented; meanwhile, the labor intensity of operators is reduced, and the working efficiency is improved.
Description
Technical field
The utility model is related to oil field development apparatus field, more particularly to a kind of rod-pumped well righting type blowout hookup.
Background technology
During having bar oil recovery, the polished rod of part pumpingh well due to for a long time by alternating load and oil, gas and water and
The deflection of the collective effect of corrosive medium, in addition polished rod, can often cause polished rod to be disconnected at optical-rod clamp position, and polished rod falls into well
In cylinder, liquid in well is caused to be overflowed at blowout prevention box, pollute well head environment.
In the prior art, when there is light rod-broken, the method for operating personnel's generally use is first to be inserted into one section of polished rod
In blowout prevention box, then the symmetrical rubber gate closed in blowout prevention box, prevent crude oil by the mode of rubber gate and polished rod seal
It overflows.
In the process of implementing the utility model, designer has found that the prior art has at least the following problems：
This method needs operating personnel by encrypting inspection to realize timely discovery, and then handled, for operator
It is not only time-consuming for member but also laborious, and if it find that not in time, easily cause well head oil spilling and environmental pollution.
Utility model content
It is right for when polished rod is disconnected de- in consideration of it, the utility model provides a kind of rod-pumped well righting type blowout hookup
The righting of polished rod and after light rod-broken, prevent liquid overflowed at blowout prevention box and caused by well head environment pollution.
A kind of rod-pumped well righting type blowout hookup, is set on polished rod, described device includes：Righting component and closure group
Part, wherein,
The righting component includes sleeve and the first supporting positive cover and the second supporting positive cover that are arranged in the sleeve, and described the
It is formed with cavity between one supporting positive cover and second supporting positive cover, first supporting positive cover offers first through hole, and described second
Supporting positive cover offers second through-hole opposite with the first through hole, and the polished rod is adapted for through the first through hole, the sky
Chamber and second through-hole；
The blocking component includes blocking set, the first elastic component and sphere, and described one end for blocking set is arranged on the sky
On the barrel of the sleeve at where chamber, one end of first elastic component is fixed in the closure set, first bullet
Property part the other end be suitable for be in contact with the sphere, the sphere is suitably against the bar wall of the polished rod；
The blocking component further includes the second elastic component being arranged in the sleeve, and second elastic component is fixed on institute
It states in sleeve, and is located at the lower end of second supporting positive cover, the inner hollow of second elastic component, the polished rod is adapted for through
The inside of second elastic component；
When described device is configured as the light rod-broken, the sphere is under the elastic reaction of first elastic component
It enters in the cavity, and is moved upwards under the elastic reaction of second elastic component by second supporting positive cover promotion,
To block the first through hole.
Selectively, the blocking component further includes jackscrew, and the jackscrew is arranged on the other end for blocking set, and with
One end of first elastic component is in contact.
Selectively, the blocking component further includes first base and second base, and the first base is arranged on described
One end of first elastic component, and be in contact with the jackscrew；The second base is arranged on the other end of first elastic component,
And it is in contact with the sphere.
Selectively, the inside horizontal-extending annular plate for forming inner hollow in one end of the sleeve, second bullet
One end of property part is arranged on the annular plate, and the other end of second elastic component is in contact with second supporting positive cover.
Selectively, first supporting positive cover includes first and second be connected, the cross-sectional area of described first
Cross-sectional area less than described second, described second is fixed on the inner wall of the sleeve.
Selectively, first supporting positive cover is provided with ball seat, and described on one side in opposite with second supporting positive cover
Ball seat is broadening formation ball seat.
Selectively, the diameter of the sphere is more than the diameter of the first through hole and second through-hole.
Selectively, the axis for blocking set is vertical with the axis of the sleeve.
The advantageous effect of technical solution that the utility model embodiment provides is：
1st, when polished rod is not disconnected de-, polished rod can successively pass through the first supporting positive cover, cavity, the second supporting positive cover and the second elasticity
The inside of part is lowered into well head, under the centralizing function of the first supporting positive cover and the second supporting positive cover, realizes the normal oil recovery of polished rod
Operation can extend the service life of packing, reduce production cost；
2nd, when polished rod occurs disconnected de-, since sphere cannot be again against polished rod, sphere is in the elastic reaction of the first elastic component
Under, it enters in cavity, and pushed and move upwards by the second supporting positive cover under the elastic reaction of the second elastic component, realizes to
The closure of one through-hole so that the liquid in well cannot flow upwardly into blowout prevention box after light rod-broken from the device, and then from blowout prevention
Overflow goes out at box, it is therefore prevented that the pollution of well head environment；Meanwhile the labor intensity of operating personnel is reduced, it improves work efficiency.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of a kind of rod-pumped well righting type blowout hookup that the utility model embodiment provides.
Reference numeral in figure represents respectively：
1st, righting component；
101st, sleeve；
102nd, the first supporting positive cover；
1021st, first through hole；
1022nd, first；
1023rd, second；
1024th, ball seat；
103rd, the second supporting positive cover；
1031st, the second through-hole；
104th, cavity；
105th, annular plate；
2nd, blocking component；
201st, set is blocked；
202nd, the first elastic component；
203rd, sphere；
204th, the second elastic component；
205th, jackscrew；
206th, first base；
207th, second base.
Specific embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing
Mode is described in further detail.
The utility model embodiment provides a kind of rod-pumped well righting type blowout hookup, is set on polished rod and uses,
Structure diagram is as shown in Figure 1, device includes righting component 1 and blocking component 2.
Righting component 1 includes sleeve 101 and the first supporting positive cover 102 and the second supporting positive cover 103 that are arranged in sleeve 101,
Cavity 104 is formed between first supporting positive cover 102 and the second supporting positive cover 103, the first supporting positive cover 102 offers first through hole
1021, the second supporting positive cover 103 offers second through-hole 1031 opposite with first through hole 1021, and polished rod is adapted for through first through hole
1021st, 104 and second through-hole 1031 of cavity.
Blocking component 2 includes blocking the 201, first elastic component 202 of set and sphere 203, and the one end for blocking set 201 is arranged on sky
On the barrel of sleeve 101 at where chamber 104, one end of the first elastic component 202 is fixed in closure set 201, the first elastic component
202 other end is suitable for being in contact with sphere 203, and sphere 203 is suitably against the bar wall of polished rod.
Blocking component 2 further includes the second elastic component 204 being arranged in sleeve 101, and the second elastic component 204 is fixed on sleeve
In 101, and positioned at the lower end of the second supporting positive cover 103, the inner hollow of the second elastic component 204, it is elastic that polished rod is adapted for through second
The inside of part 204.
When device is configured as light rod-broken, sphere 203 enters cavity under the elastic reaction of the first elastic component 202
In 104, and pushed and move upwards by the second supporting positive cover 103 under the elastic reaction of the second elastic component 204, it is logical to block first
Hole 1021.
It should be noted that the rod-pumped well righting type blowout hookup is mounted on rubber in the four-way and blowout prevention box of well head
Between gate, i.e. the upper end of sleeve 101 is connected with the rubber gate of blowout prevention box, the four-way on the lower end and well head of sleeve 101
It is connected.
Therefore, the rod-pumped well righting type blowout hookup of the utility model embodiment utilizes righting component 1 and blocking component
2 so that for polished rod when disconnected de-, polished rod can successively pass through the first supporting positive cover 102, cavity 104, the second supporting positive cover 103 and the
The inside of two elastic components 204 is lowered into well head, under the centralizing function of the first supporting positive cover 102 and the second supporting positive cover 103, is realized
The normal oil producing operation of polished rod can extend the service life of packing, reduce production cost；When polished rod occurs disconnected de-, due to
Sphere 203 cannot be again against polished rod, and sphere 203 is entered under the elastic reaction of the first elastic component 202 in cavity 104, and
It is pushed and moves upwards by the second supporting positive cover 103 under the elastic reaction of second elastic component 204, realize the envelope to first through hole 1021
It is stifled so that the liquid in well cannot flow upwardly into blowout prevention box, and then overflow goes out at blowout prevention box after light rod-broken from the device,
Prevent the pollution of well head environment；Meanwhile the labor intensity of operating personnel is reduced, it improves work efficiency.
In the rod-pumped well righting type blowout hookup of the utility model embodiment, the first elastic component 202 and the second elasticity
When the elastic reaction of part 204 is for light rod-broken sphere 203 can block first through hole 1021 play the role of it is very important,
In the utility model embodiment, the first elastic component 202 and the second elastic component 204 can be the tools such as spring or Elastic plastic-rubber pad
Flexible component, preferably spring, in order to the installation and removal of operating personnel.
It is preferably real in order to ensure the rod-pumped well righting type blowout hookup of the utility model embodiment based on above device
Now blocking function, on the one hand, blocking component 2 further includes jackscrew 205, and jackscrew 205, which is arranged on, blocks the other end for covering 201, and with
One end of first elastic component 202 is in contact, as shown in Figure 1.
It is arranged such so that blocking one end of set 201 can connect with sleeve 101, block the other end of set 201 and can lead to
It crosses jackscrew 205 to seal, one end of the first elastic component 202 realizes that it is blocking consolidating in set 201 by being fixed on jackscrew 205
It is fixed.
For jackscrew 205, structure can include connected the first cylinder and the second cylinder, the cross-sectional area of the first cylinder
Less than the cross-sectional area of the second cylinder, it is preferable that the cross section of the first cylinder is preferably hexagon so that entire first cylinder is
Six prismatics, personnel easy to operation are by using tools such as spanner or pipe wrench, by the operation to the first cylinder by the second column
Body is installed closure and is covered in 201 one end, realizes the closure of one end to blocking set 201.
It in the second cylinder and blocks in the connection relation covered between 201, the modes such as threaded connection can be connected by a snap
It is attached, in a kind of possible embodiment of the utility model embodiment, as shown in Figure 1, the outer wall setting of the second cylinder
There is external screw thread, the inner wall for blocking one end of set 201 is provided with internal thread, and external screw thread realizes the second main body and envelope with screw-internal thread fit
Plug the connection between 201.
On the other hand, blocking component 2 further includes first base 206 and second base 207, and first base 206 is arranged on
One end of one elastic component 202, and be in contact with jackscrew 205；Second base 207 is arranged on the other end of the first elastic component 202, and
It is in contact with sphere 203, as shown in Figure 1, first base 206 plays the role of fixing the first elastic component 202, second base 207
Play the role of auxiliary against sphere 203.
For first base 206, specifically, first base 206 includes first point of connected seat and second point of seat, the
The cross-sectional area of one point of seat is more than the cross-sectional area of second point of seat, and first point of seat is in contact with jackscrew 205, second point of seat and the
One end of one elastic component 202 is connected.So set, convenient for fixing the first elastic component 202 so that the position of the first elastic component 202
It is not susceptible to deviate.
For second base 207, specifically, second base 207 includes connected third and divides seat and the 4th point of seat, the
The cross-sectional area of three points of seats is less than the cross-sectional area of the 4th point of seat, and third divides seat and the other end of the first elastic component 202 to be connected,
4th point of seat is in contact with sphere 203.So set, equally it is easy for fixing the first elastic component 202 so that the first elastic component
202 position is not susceptible to deviate.
Further, in order to which the second elastic component 204 is fixed in sleeve 101, one end of sleeve 101 is inwardly horizontal-extending
The annular plate 105 of inner hollow is formed, as shown in Figure 1, one end of the second elastic component 204 is arranged on annular plate 105, the
The other end of two elastic components 204 is in contact with the second supporting positive cover 103.Pass through the support of annular plate 105 so that the second elastic component
204 are fixed in sleeve 101.
Righting function is better achieved in order to ensure the rod-pumped well righting type blowout hookup of the utility model embodiment, the
One supporting positive cover 102 includes first 1022 and second 1023 be connected, and the cross-sectional area of first 1022 is less than second
1023 cross-sectional area, second 1023 is fixed on the inner wall of sleeve 101, as shown in Figure 1, in connection mode, second
1023 outer wall can be provided with external screw thread, and the inner wall of sleeve 101 is provided with internal thread, between sleeve 101 and second 1023
It is connected through a screw thread realization and stablizes fixation；The cross-sectional area of first 1022 is less than the cross-sectional area of second 1023, and first
Portion 1022 is preferably six prismatics, and personnel easy to operation are fixed the first supporting positive cover 102 with realizing by operating first 1022
To the inside of sleeve 101.
Meanwhile in order to realize that sphere 203 sets first through hole 1021, in structure setting, 203 surface of sphere is smooth；The
One supporting positive cover 102 is provided with ball seat 1024, and ball seat 1024 is broadening formation ball on one side in opposite with the second supporting positive cover 103
Seat, sets convenient for sphere 203 on ball seat 1024；The diameter of sphere 203 is more than 1021 and second through-hole 1031 of first through hole
Diameter so that sphere 203 can completely block first through hole 1021.
For the overall structure of the rod-pumped well righting type blowout hookup of the utility model embodiment, set 201 is blocked
Axis can be vertical with the axis of sleeve 101, as shown in Figure 1, be not only convenient for sphere 203 can from block set 201 in roll out,
And it can so that the overall structure of device is beautiful.Meanwhile it may occur to persons skilled in the art that, the axis of closure set 201
Line can also with the axis out of plumb of sleeve 101, for example, block set 201 axis can with the axis of sleeve 101 in 45 °, and
Set 201 is blocked in angle setting obliquely, at this point, sphere 203 can be by the first elastic component 202 and the work of the gravity of itself
With in light rod-broken, rolling into cavity 104.
At the scene during use, the installation of the rod-pumped well righting type blowout hookup of the utility model embodiment according to
Under several steps carry out：
First, sleeve 101 is set on polished rod (not showing in Fig. 1), blocks set 201 and be fixed on sleeve 101；
Secondly, the second elastic component 204, the second supporting positive cover 103 are sequentially placed into sleeve 101, the first supporting positive cover 102 screws in
In sleeve 101；
Again, sphere 203, second base 207, the first elastic component 202 and first base 206 are sequentially placed into closure set
In 201, jackscrew 205 is screwed, it is made to be fixed on the one end for blocking set 201；
Finally, the upper end of sleeve 101 is fixed on the rubber gate of blowout prevention box, the lower end of sleeve 101 is fixed on well head
Four-way on.
The above is for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of rod-pumped well righting type blowout hookup, is set on polished rod, which is characterized in that described device includes：Righting group
Part (1) and blocking component (2), wherein,
The righting component (1) includes sleeve (101) and the first supporting positive cover (102) being arranged in the sleeve (101) and
Two supporting positive covers (103) are formed with cavity (104), institute between first supporting positive cover (102) and second supporting positive cover (103)
It states the first supporting positive cover (102) and offers first through hole (1021), second supporting positive cover (103) offers and the first through hole
(1021) opposite the second through-hole (1031), the polished rod be adapted for through the first through hole (1021), the cavity (104) and
Second through-hole (1031)；
The blocking component (2) is described to block set (201) including blocking set (201), the first elastic component (202) and sphere (203)
One end be arranged on the barrel of the sleeve (101) at where the cavity (104), first elastic component (202)
One end is fixed on described block and covers in (201), and the other end of first elastic component (202) is suitable for and the sphere (203) phase
Contact, the sphere (203) are suitably against the bar wall of the polished rod；
The blocking component (2) further includes the second elastic component (204) being arranged in the sleeve (101), second elasticity
Part (204) is fixed in the sleeve (101), and positioned at the lower end of second supporting positive cover (103), second elastic component
(204) inner hollow, the polished rod are adapted for through the inside of second elastic component (204)；
When described device is configured as the light rod-broken, the sphere (203) is in the elasticity of first elastic component (202)
It is entered under effect in the cavity (104), and by second righting under the elastic reaction of second elastic component (204)
Set (103), which pushes, to be moved upwards, to block the first through hole (1021).
2. rod-pumped well righting type blowout hookup according to claim 1, which is characterized in that the blocking component (2) is also
Including jackscrew (205), the jackscrew (205) be arranged on it is described block set (201) the other end, and with first elastic component
(202) one end is in contact.
3. rod-pumped well righting type blowout hookup according to claim 2, which is characterized in that the blocking component (2) is also
Including first base (206) and second base (207), the first base (206) is arranged on first elastic component (202)
One end, and be in contact with the jackscrew (205)；The second base (207) is arranged on the another of first elastic component (202)
End, and be in contact with the sphere (203).
4. rod-pumped well righting type blowout hookup according to claim 1, which is characterized in that the one of the sleeve (101)
Inwardly the horizontal-extending annular plate (105) for forming inner hollow, one end of second elastic component (204) are arranged on described at end
On annular plate (105), the other end of second elastic component (204) is in contact with second supporting positive cover (103).
5. rod-pumped well righting type blowout hookup according to claim 1, which is characterized in that first supporting positive cover
(102) including connected first (1022) and second (1023), the cross-sectional area of first (1022) is less than described
The cross-sectional area of second (1023), second (1023) are fixed on the inner wall of the sleeve (101).
6. rod-pumped well righting type blowout hookup according to claim 1, which is characterized in that first supporting positive cover
(102) it is provided with ball seat (1024) on one side, and the ball seat (1024) is loudspeaker in opposite with second supporting positive cover (103)
Shape of the mouth as one speaks ball seat.
7. rod-pumped well righting type blowout hookup according to claim 1, which is characterized in that the sphere (203) it is straight
Diameter is more than the diameter of the first through hole (1021) and second through-hole (1031).
8. rod-pumped well righting type blowout hookup according to claim 1, which is characterized in that described block covers (201)
Axis is vertical with the axis of the sleeve (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721552240.8U CN207568514U (en) | 2017-11-20 | 2017-11-20 | Centralizing blowout preventer for oil pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721552240.8U CN207568514U (en) | 2017-11-20 | 2017-11-20 | Centralizing blowout preventer for oil pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568514U true CN207568514U (en) | 2018-07-03 |
Family
ID=62691083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721552240.8U Active CN207568514U (en) | 2017-11-20 | 2017-11-20 | Centralizing blowout preventer for oil pumping well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952615A (en) * | 2018-07-04 | 2018-12-07 | 中国石油天然气股份有限公司 | Automatic sealing device |
| CN112556571A (en) * | 2019-09-25 | 2021-03-26 | 河南森源电气股份有限公司 | Switch cabinet static contact assembly quality detection device and detection method |
-
2017
- 2017-11-20 CN CN201721552240.8U patent/CN207568514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952615A (en) * | 2018-07-04 | 2018-12-07 | 中国石油天然气股份有限公司 | Automatic sealing device |
| CN112556571A (en) * | 2019-09-25 | 2021-03-26 | 河南森源电气股份有限公司 | Switch cabinet static contact assembly quality detection device and detection method |
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