CN210049871U - Combined oil drainage tool - Google Patents
Combined oil drainage tool Download PDFInfo
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- CN210049871U CN210049871U CN201920721114.3U CN201920721114U CN210049871U CN 210049871 U CN210049871 U CN 210049871U CN 201920721114 U CN201920721114 U CN 201920721114U CN 210049871 U CN210049871 U CN 210049871U
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Abstract
The utility model discloses a combined oil drainage tool, which belongs to the technical field of oil well underground oil extraction tools and is used for solving the technical problem that in the prior art, when liquid in an oil pipe of an impact type oil drainage device is viscous, a pump is blocked or oil is extracted in an inclined shaft, an impact rod cannot reach the position of the oil drainage device, so that oil drainage work cannot be completed; the utility model is provided with a central tube and an oil drainage tube, and the outer wall of the central tube is provided with a boss; the oil drain pipe is sleeved outside the boss through the connecting pipe, the connecting pipe is fixedly connected with the boss through a pin, one end of the central pipe extends into an inner cavity of the oil drain pipe, and the oil drain pipe is sequentially provided with a first oil drain cup and a second oil drain cup along the axial direction; the inner wall of the oil drainage pipe is also provided with a shearing ring; when the pin is broken, the central pipe drives the shearing ring to cut off the first oil drainage cup; wherein, cut off and/or the second draining cup hits absolutely all to be used for draining pipe inner chamber and outside intercommunication when first draining cup, the utility model discloses the commonality is high, simple structure has, convenient to use's beneficial effect.
Description
Technical Field
The utility model relates to an oil well oil recovery instrument technical field in the pit especially relates to a modular draining instrument.
Background
Need regularly carry out the pump inspection to the oil-well pump in the oil well when oil recovery production of oil well, the pump inspection in-process need be with oil pipe from the well play, in order to avoid oil pipe to play the interior liquid (oil, water) of oil pipe to trickle to ground polluted environment, brings inconvenience for follow-up place cleaning work, can install the bleeder on oil pipe usually, need open the draining port of bleeder when the pump inspection, in the pit shaft is let into to the interior liquid of oil pipe.
The most commonly used bleeder among the prior art is striking formula bleeder, and striking formula bleeder is through dropping into the draining mouth that strikes the stick and open bleeder at the well head, but, and liquid ratio when in the oil pipe is thick, the card pump or recovers oil in the inclined shaft, and the stick that strikes can't reach the bleeder position, leads to unable completion draining work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect that prior art exists, provide a modular draining instrument, no matter in vertical oil well, still in the inclined shaft or the card pump phenomenon homoenergetic appears and accomplish draining work, the commonality is high, simple structure, convenient to use.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a modular draining instrument, include:
the outer wall of the central pipe is provided with a boss;
the oil drainage pipe is sleeved outside the boss through a connecting pipe, the connecting pipe is fixedly connected with the boss through a pin, one end of the central pipe extends into the inner cavity of the oil drainage pipe, and the oil drainage pipe is sequentially provided with a first oil drainage cup and a second oil drainage cup along the axial direction;
the inner wall of the oil drainage pipe is also provided with a shearing ring;
wherein, when the pin is broken, the central tube drives the shearing ring to cut off the first oil drain cup;
when the first oil drainage cup is cut off and/or the second oil drainage cup is broken by collision, the inner cavity of the oil drainage pipe is communicated with the outside.
Furthermore, the oil drainage pipe is sequentially provided with a first counter bore and a second counter bore along the axial direction of the oil drainage pipe;
the oil drain pipe is provided with a plurality of first counter bores in a radial array manner, the first counter bores are fixedly connected with the first oil drain cups through nuts, and the first oil drain cups are hermetically connected with the bottom walls of the first counter bores through sealing rings;
the second counter bore is fixedly connected with the second oil drain cup through a nut, and the second oil drain cup is connected with the bottom wall of the second counter bore in a sealing mode through a sealing gasket.
Furthermore, the first oil drainage cup and the second oil drainage cup are uniformly provided with blind holes, the first oil drainage cup is cut off and/or the second oil drainage cup is broken, the blind holes are opened, and the inner cavity of the oil drainage pipe is communicated with the outside.
Furthermore, the outer wall of the nut is provided with external threads, and the inside of the nut is provided with a through hole with a polygonal structure, and the through hole is used for rotating the nut and is in threaded connection with the first counter bore or the second counter bore.
Furthermore, two first counter bores are symmetrically distributed on the oil drain pipe.
Furthermore, the outer wall of the central pipe and the inner wall of the oil drainage pipe and the outer wall of the boss and the inner wall of the connecting pipe are hermetically connected through sealing bodies.
Furthermore, the sealing body is an o-shaped sealing ring.
In the technical scheme, the utility model provides a pair of modular draining instrument, beneficial effect:
1. the utility model discloses a center tube, draining pipe passes through the connecting pipe cover and establishes outside the center tube, draining pipe has seted up first oil drain cup and second oil drain cup, let out the oil cup through first oil drain cup and cut off and/or the second let out the oil cup and be broken make draining pipe inner chamber and outside intercommunication, guarantee in the inclined shaft, the straight well homoenergetic normally lets out the liquid of oil pipe inner chamber, the commonality is high, moreover, the steam generator is simple in structure, high durability and convenient use, effectively prevent that fluid from following the sucker rod and lifting ground polluted environment.
2. The utility model discloses a center tube, the bleeder line, the connecting pipe, through between center tube outer wall and bleeder line inner wall, and install the seal between boss outer wall and the connecting pipe inner wall, avoid liquid to ooze through connecting pipe and center tube and bleeder line hookup location, guarantee drawing liquid pump drawing liquid efficiency, and then productivity gain, in addition, first counter bore and second counter bore have been seted up to the bleeder line, install first oil drain cup in the first counter bore, install second oil drain cup in the second counter bore, through install the sealing ring between first oil drain cup and first counter bore diapire, and the sealed pad of installation between second oil drain cup and the second counter bore diapire, avoid liquid to pass through first counter bore, the second counter bore oozes, further guarantee drawing liquid pump drawing liquid efficiency, productivity gain.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of a combined oil drainage tool disclosed by the utility model;
fig. 2 is a schematic view of a first oil drainage cup shearing structure of the combined oil drainage tool disclosed by the utility model;
fig. 3 is the utility model discloses a second draining cup fracture structure schematic diagram of modular draining instrument.
Description of reference numerals:
10. a coupling; 20. a central tube; 30. an oil drain pipe; 31. a connecting pipe; 32. a pin; 33. a seal body; 34. a shear ring; 40. a first oil drain cup; 41. a seal ring; 42. a first nut; 50. a second oil drain cup; 51. a gasket; 52. a second nut.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in FIGS. 1-3;
the utility model relates to a modular draining instrument, include:
a central tube 20, the outer wall of which is provided with a boss;
the oil drain pipe 30 is sleeved outside the boss through a connecting pipe 31, the connecting pipe 31 is fixedly connected with the boss through a pin 32, one end of the central pipe 20 extends into the inner cavity of the oil drain pipe 30, and the oil drain pipe 30 is sequentially provided with a first oil drain cup 40 and a second oil drain cup 50 along the axial direction;
the inner wall of the oil drainage pipe 30 is also provided with a shearing ring 34;
wherein, when the pin 32 is broken, the central tube 20 drives the shear ring 34 to cut off the first oil drain cup 40;
when the first oil drain cup 40 is cut off and/or the second oil drain cup 50 is broken, the inner cavity of the oil drain pipe 30 is communicated with the outside.
Specifically, as shown in fig. 1, the structure includes a coupling 10, a central pipe 20, an oil drain pipe 30, a connecting pipe 31, a first oil drain cup 40, and a second oil drain cup 50;
the central pipe 20, the oil drain pipe 30 and the connecting pipe 31 are hollow pipes, the upper end of the central pipe 20 is in threaded connection with a fixed valve (not shown) through a coupling 10, the lower end of the oil drain pipe 30 is in threaded connection with a pump barrel (not shown) through external threads, a boss is distributed on the outer wall of the middle part of the central pipe 20, the oil drain pipe 30 is sleeved outside the boss through the connecting pipe 31, the boss is fixedly connected with the connecting pipe 31 through a pin 32, the end, far away from the coupling 10, of the central pipe 20 extends into the inner cavity of the oil drain pipe 30, the oil drain pipe 30 is sequentially provided with a first oil drain cup 40 and a second oil drain cup 50 along the axial direction, and the inner wall, located at the;
when the oil-well pump is used, as shown in fig. 1 and 2, when the oil-well pump works in an inclined shaft or a sucker rod in a pump cylinder cannot be normally taken out, the oil pipe is connected with an extension pipe at a well head to increase the length of the oil pipe, the oil pipe is pushed to enable the bottom end of the oil pipe to be in contact with the well bottom, the oil pipe is continuously pushed, the pin 32 is cut off by the thrust of the central pipe 20, the boss continuously drives the shearing ring 34 downwards along the inner wall of the connecting pipe 31 to cut off the first oil drainage cup 40, liquid in the inner cavity of the oil pipe is discharged to the outside through the first oil drainage;
referring to fig. 1 and 3, when the oil well pump operates in a vertical well or when the sucker rod in the pump cylinder can be normally taken out, a collision rod is put into the oil pipe, the second oil drainage cup 50 is broken by the collision rod, and liquid in the inner cavity of the oil pipe is discharged to the outside through the second oil drainage cup 50, so that oil drainage work of the inner cavity of the oil pipe is completed;
this combination formula draining instrument lets out oil pipe 30 inner chamber and outside intercommunication through cutting off first oil cup 40 and/or breaking second oil cup 50 homoenergetic, guarantees normally to let out the liquid of oil pipe inner chamber at inclined shaft, straight well homoenergetic, and the commonality is high, simple structure, and convenient to use prevents effectively that fluid from following the sucker rod and lifting ground, polluting ground, simultaneously, can resources are saved, avoids extravagant.
As shown in fig. 1;
preferably, the oil drain pipe 30 is provided with a first counter bore and a second counter bore in sequence along the axial direction;
the oil drain pipe 30 is radially arrayed with a plurality of first counter bores, a first oil drain cup 40 is fixedly connected in each first counter bore through a nut, and the first oil drain cups 40 are hermetically connected with the bottom wall of each first counter bore through a sealing ring 41;
the second counter bore is fixedly connected with a second oil drain cup 50 through a nut, and the second oil drain cup 50 is connected with the bottom wall of the second counter bore in a sealing mode through a sealing gasket 51.
Specifically, in the structure, the oil drain pipe 30 is provided with a first counter bore and a second counter bore, the first counter bore includes two, and is symmetrically arranged on two sides of the oil drain pipe 30, the nut includes a first nut 42 and a second nut 52, preferably, the nut is provided with an external thread on the outer wall thereof, and is internally provided with a through hole of a polygonal structure for connecting the rotating nut with the first counter bore or the second counter bore in a threaded manner. Specifically, the first oil drainage cup 40 is fixedly connected in the first counter bore through a first nut 42, the second oil drainage cup 50 is fixedly connected in the second counter bore through a second nut 52, preferably, blind holes are uniformly formed in the first oil drainage cup 40 and the second oil drainage cup 50, the first oil drainage cup 40 is cut off and/or the second oil drainage cup 50 is broken by collision, the blind holes are opened, and the inner cavity of the oil drainage pipe 30 is communicated with the outside. Specifically, when the first oil drain cup 40 is cut off, the blind hole of the first oil drain cup 40 is opened, liquid flows through the blind hole and flows through the through hole on the first nut 42 to be discharged out of the oil pipe, when a striking rod is thrown in at the wellhead, the striking rod breaks the second oil drain cup 50, the blind hole of the second oil drain cup 50 is opened, and liquid flows through the blind hole and flows through the through hole on the second nut 52 to be discharged out of the oil pipe;
in addition, when the oil well pump operates normally and does not need to be overhauled, the sealing ring 41 is arranged between the first oil drainage cup 40 and the bottom wall of the first counter bore, and the sealing gasket 51 is arranged between the second oil drainage cup 50 and the bottom wall of the second counter bore, so that liquid is prevented from seeping through the first counter bore and the second counter bore, the liquid pumping efficiency of the liquid pump is ensured, and the production rate is further improved;
as shown in fig. 1;
preferably, the outer wall of the central tube 20 and the inner wall of the oil drain tube 30, and the outer wall of the boss and the inner wall of the connecting tube 31 are hermetically connected by sealing bodies 33. Preferably, the seal 33 is an o-ring seal.
Specifically, through install seal 33 between center tube 20 outer wall and draining pipe 30 inner wall and between boss outer wall and the connecting pipe 31 inner wall, avoid liquid to ooze through connecting pipe 31 and center tube 20 and draining pipe 30 hookup location, guarantee drawing liquid pump drawing liquid efficiency, and then productivity gain.
In the above technical solution, the utility model provides a combined oil drainage tool;
a method of use; the central pipe 30 cuts off the pin 32 and pushes the shearing ring 34 to cut off the first oil drainage cup 40 under the action of external force, a blind hole of the first oil drainage cup 40 is opened, the inner cavity of the oil drainage pipe 30 is communicated with the outside, and oil is drained;
or a striking rod is thrown into the oil pipe at the well mouth, the striking rod breaks the second oil drain cup 50, the blind hole of the second oil drain cup 50 is opened, the inner cavity of the oil drain pipe 30 is communicated with the outside, and oil is drained.
Has the advantages that:
1. the utility model discloses a center tube, draining pipe passes through the connecting pipe cover and establishes outside the center tube, draining pipe has seted up first oil drain cup and second oil drain cup, let out the oil cup through first oil drain cup and cut off and/or the second let out the oil cup and be broken make draining pipe inner chamber and outside intercommunication, guarantee in the inclined shaft, the straight well homoenergetic normally lets out the liquid of oil pipe inner chamber, the commonality is high, moreover, the steam generator is simple in structure, high durability and convenient use, effectively prevent that fluid from following the sucker rod and lifting ground polluted environment.
2. The utility model discloses a center tube, the bleeder line, the connecting pipe, through between center tube outer wall and bleeder line inner wall, and install the seal between boss outer wall and the connecting pipe inner wall, avoid liquid to ooze through connecting pipe and center tube and bleeder line hookup location, guarantee drawing liquid pump drawing liquid efficiency, and then productivity gain, in addition, first counter bore and second counter bore have been seted up to the bleeder line, install first oil drain cup in the first counter bore, install second oil drain cup in the second counter bore, through install the sealing ring between first oil drain cup and first counter bore diapire, and the sealed pad of installation between second oil drain cup and the second counter bore diapire, avoid liquid to pass through first counter bore, the second counter bore oozes, further guarantee drawing liquid pump drawing liquid efficiency, productivity gain.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. A modular draining tool, comprising:
the outer wall of the central tube (20) is provided with a boss;
the oil drainage pipe (30) is sleeved outside the boss through a connecting pipe (31), the connecting pipe (31) is fixedly connected with the boss through a pin (32), one end of the central pipe (20) extends into the inner cavity of the oil drainage pipe (30), and a first oil drainage cup (40) and a second oil drainage cup (50) are sequentially distributed on the oil drainage pipe (30) along the axial direction;
the inner wall of the oil drainage pipe (30) is also provided with a shearing ring (34);
wherein, when the pin (32) breaks, the center tube (20) drives the shear ring (34) to sever the first drain cup (40);
when the first oil drain cup (40) is cut off and/or the second oil drain cup (50) is knocked off, the inner cavity of the oil drain pipe (30) is communicated with the outside.
2. The combination drainage tool of claim 1 wherein;
the oil drain pipe (30) is sequentially provided with a first counter bore and a second counter bore along the axial direction;
the oil drain pipe (30) is radially arrayed with a plurality of first counter bores, the first counter bores are fixedly connected with the first oil drain cups (40) through nuts, and the first oil drain cups (40) are hermetically connected with the bottom walls of the first counter bores through sealing rings (41);
the second counter bore is fixedly connected with the second oil drain cup (50) through a nut, and the second oil drain cup (50) is connected with the bottom wall of the second counter bore in a sealing mode through a sealing gasket (51).
3. A combination oil drainage tool as defined in claim 2, wherein;
the first oil drainage cup (40) and the second oil drainage cup (50) are uniformly provided with blind holes, the first oil drainage cup (40) is cut off and/or the second oil drainage cup (50) is broken, the blind holes are opened, and the inner cavity of the oil drainage pipe (30) is communicated with the outside.
4. A combination oil drainage tool as defined in claim 2, wherein;
the outer wall of the nut is provided with external threads, and the inside of the nut is provided with a through hole with a polygonal structure and is used for rotating the nut to be in threaded connection with the first counter bore or the second counter bore.
5. A combination oil drainage tool as defined in claim 2, wherein;
the oil drain pipe (30) is symmetrically provided with two first counter bores.
6. The combination drainage tool of claim 1 wherein;
the outer wall of the central pipe (20) is in sealing connection with the inner wall of the oil drainage pipe (30) and the outer wall of the boss is in sealing connection with the inner wall of the connecting pipe (31) through sealing bodies (33).
7. The combination drainage tool of claim 6 wherein;
the sealing body (33) is an o-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721114.3U CN210049871U (en) | 2019-05-20 | 2019-05-20 | Combined oil drainage tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721114.3U CN210049871U (en) | 2019-05-20 | 2019-05-20 | Combined oil drainage tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049871U true CN210049871U (en) | 2020-02-11 |
Family
ID=69396415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920721114.3U Active CN210049871U (en) | 2019-05-20 | 2019-05-20 | Combined oil drainage tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210049871U (en) |
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2019
- 2019-05-20 CN CN201920721114.3U patent/CN210049871U/en active Active
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