CN211974932U

CN211974932U - Large-drift-diameter oil extraction packer

Info

Publication number: CN211974932U
Application number: CN202020210942.3U
Authority: CN
Inventors: 姚士林; 朱晓亚; 徐成林; 李宝
Original assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Current assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-11-20
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a big latus rectum oil recovery packer, including fixing base, built-in chamber, connecting seat, joint groove and lower connecting pipe, the top of fixing base is provided with built-in chamber the inside in built-in chamber is provided with the connecting seat, take over under the bottom fixedly connected with of connecting seat, and the bottom of lower connecting pipe extends to the outside of fixing base, fixedly connected with second external screw thread on the outer wall of taking over under the fixing base below, the top of connecting seat is provided with the joint groove, the inside in joint groove is provided with filtering mechanism, filtering mechanism's inside has set gradually filter core, fixed block and has crossed the oilhole. The utility model discloses a joint groove makes fixed block and the mutual joint of connecting seat, makes fluid get into the inside of oil drain way through the oilhole from the inside of oil feed way, has avoided the bold impurity to get into inside the oil pipe to the life of this big latus rectum oil recovery packer when using has been prolonged.

Description

Large-drift-diameter oil extraction packer

Technical Field

The utility model relates to an oil production equipment technical field specifically is a big latus rectum oil recovery packer.

Background

Along with the continuous development of society, the oil acquisition technique obtains continuous improvement, and in the oil acquisition equipment, big latus rectum oil recovery packer is wherein important component, is realizing the utility model discloses an in-process, the inventor finds to have at least among the prior art as follows the problem and do not solve:

(1) the traditional large-drift-diameter oil extraction packer has short service life when in use due to insufficient protection measures;

(2) the traditional large-drift-diameter oil extraction packer has low applicability when in use due to low sealing performance;

(3) the traditional large-drift-diameter oil extraction packer is inconvenient to overhaul, so that the traditional large-drift-diameter oil extraction packer is extremely inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big latus rectum oil recovery packer to it is not enough, the leakproofness is not high and the problem of inconvenient maintenance to propose protective measure in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-drift-diameter oil extraction packer, includes fixing base, built-in chamber, connecting seat, joint groove and lower connecting pipe, the top of fixing base is provided with built-in chamber the inside in built-in chamber is provided with the connecting seat, take over under the bottom fixedly connected with of connecting seat, and the bottom of lower connecting pipe extends to the outside of fixing base, fixedly connected with second external screw thread on the outer wall of taking over under the fixing base below, the top of connecting seat is provided with the joint groove, the inside in joint groove is provided with filtering mechanism, filtering mechanism's inside has set gradually filter core, fixed block and cross the oilhole, fixedly connected with fixed block on the outer wall of filter core.

Preferably, the bottom end of the built-in cavity in the fixing seat is provided with a fixing groove, one end of the fixing groove extends to the inside of the connecting seat, and a sealing ring is arranged in the fixing groove.

Preferably, a cover body is arranged at the top end of the fixing seat, threaded holes with equal intervals are formed in the outer side of a built-in cavity at the top of the fixing seat, one ends of the threaded holes all extend into the cover body, and fastening bolts with equal intervals are arranged at the top end of the cover body and all matched with the threaded holes.

Preferably, the top of built-in chamber internal connection seat is provided with the connecting block, the top fixedly connected with of connecting block goes up the takeover, be provided with sealed the pad on the last takeover outer wall on built-in chamber internal connection block top, the one end of going up the takeover extends to the outside of lid, the first external screw thread of fixedly connected with on the last takeover outer wall of lid top, the inside of going up the takeover is provided with the oil drain way, and the one end of oil drain way extends to the inside in joint groove.

Preferably, the bottom fixedly connected with of built-in chamber internal connection seat takes over down, the one end of taking over extends to the outside of fixing base down, fixedly connected with second external screw thread on the lower pipe outer wall of fixing base below, the inside of taking over is provided with the oil feed way down, and the one end of oil feed way extends to the inside in joint groove.

Preferably, the fixed block mutually supports with the joint groove, the inside array of filter core has the oilhole, the top of filter core extends to the inside of oil drain way, the bottom of filter core extends to the inside of oil feed way.

Compared with the prior art, the beneficial effects of the utility model are that: the large-drift-diameter oil extraction packer not only prevents large impurities from entering the interior of an oil pipe, enhances the sealing performance of the mechanism, but also realizes the function of convenient maintenance of the mechanism;

(1) the fixing block and the connecting seat are mutually clamped through the clamping groove, so that oil enters the oil discharge channel from the inside of the oil inlet channel through the oil passing hole, large impurities are prevented from entering the inside of an oil pipe, and the service life of the large-drift-diameter oil extraction packer is prolonged;

(2) the bottom end of a built-in cavity in the fixing seat is provided with a fixing groove, one end of the fixing groove extends to the inside of the connecting seat, a sealing ring is arranged in the fixing groove, the top end of a connecting block in the built-in cavity is provided with a sealing gasket, the sealing gasket is in interference clamping connection with the built-in cavity, the sealing gasket is fixed in the built-in cavity through a cover body, and under the action of the sealing gasket and the sealing ring, the sealing performance of the mechanism is enhanced, so that the applicability of the large-drift-diameter oil extraction packer in use is improved;

(3) the outside through the built-in chamber in fixing base top has set up equidistant screw hole, and the one end of screw hole extends to the inside of lid, and the top of lid has set up equidistant fastening bolt, mutually supports through fastening bolt and screw hole, makes lid and fixing base reciprocal anchorage, has realized the function of this mechanism easy access to maintenance to this big latus rectum oil recovery packer convenience when using has been improved.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is a schematic top view of the filtering mechanism of the present invention.

In the figure: 1. a fixed seat; 2. a cavity is arranged inside; 3. a connecting seat; 4. a clamping groove; 5. a threaded hole; 6. a cover body; 7. fastening a bolt; 8. an upper connecting pipe; 9. an oil drain channel; 10. a first external thread; 11. a gasket; 12. connecting blocks; 13. a filtering mechanism; 1301. a filter element; 1302. a fixed block; 1303. an oil passing hole; 14. fixing grooves; 15. a seal ring; 16. a lower connecting pipe; 17. an oil inlet channel; 18. a second external thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a large-drift-diameter oil extraction packer comprises a fixed seat 1, a built-in cavity 2, a connecting seat 3, a clamping groove 4 and a lower connecting pipe 16, wherein the connecting seat 3 is arranged in the built-in cavity 2 arranged at the top of the fixed seat 1, the lower connecting pipe 16 is fixedly connected at the bottom end of the connecting seat 3, the bottom end of the lower connecting pipe 16 extends to the outside of the fixed seat 1, a second external thread 18 is fixedly connected to the outer wall of the lower connecting pipe 16 below the fixed seat 1, a clamping groove 4 is formed in the top of the connecting seat 3, a filtering mechanism 13 is arranged inside the clamping groove 4, a filter element 1301, a fixed block 1302 and oil passing holes 1303 are sequentially arranged inside the filtering mechanism 13, the fixed block 1302 is fixedly connected to the outer wall of the filter element 1301, the fixed block 1302 is matched with the clamping groove 4, the oil passing holes 1303 are arrayed inside the filter element 1301, the top end of the filter element 1301 extends to the inside of the oil discharge channel 9, and the bottom end of the filter element 1301 extends to the inside of the oil;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, the fixing block 1302 and the connecting seat 3 are clamped with each other through the clamping groove 4, so that oil enters the oil discharge channel 9 from the inside of the oil inlet channel 17 through the oil passing hole 1303, and large impurities are prevented from entering the inside of the oil pipe, thereby prolonging the service life of the large-drift-diameter oil production packer during use;

a fixing groove 14 is formed in the bottom end of a built-in cavity 2 in a fixing seat 1, one end of the fixing groove 14 extends into a connecting seat 3, a sealing ring 15 is arranged in the fixing groove 14, a cover body 6 is arranged at the top end of the fixing seat 1, threaded holes 5 with equal intervals are formed in the outer side of the built-in cavity 2 at the top of the fixing seat 1, one ends of the threaded holes 5 extend into the cover body 6, fastening bolts 7 with equal intervals are arranged at the top end of the cover body 6, the fastening bolts 7 are matched with the threaded holes 5, the cover body 6 and the fixing seat 1 are fixed with each other, the function of facilitating maintenance of the mechanism is achieved, and therefore convenience of the large-drift-diameter oil;

the top end of the connecting seat 3 in the internal cavity 2 is provided with a connecting block 12, the top end of the connecting block 12 is fixedly connected with an upper connecting pipe 8, the outer wall of the upper connecting pipe 8 at the top end of the connecting block 12 in the internal cavity 2 is provided with a sealing gasket 11, the sealing gasket 11 is in interference clamping connection with the internal cavity 2, the sealing gasket 11 is fixed in the internal cavity 2 through the cover body 6, and under the action of the sealing gasket 11 and the sealing ring 15, the sealing performance of the mechanism is enhanced, so that the applicability of the large-drift-diameter oil production packer in use is improved;

go up the one end of takeover 8 and extend to the outside of lid 6, the first external screw thread 10 of fixedly connected with on the 8 outer walls of takeover on the lid 6 top, the inside of going up takeover 8 is provided with oil drain 9, and the one end of oil drain 9 extends to the inside of joint groove 4, takeover 16 under the bottom fixedly connected with of 2 internal connection seats 3 in built-in chamber, the one end of takeover 16 extends to the outside of fixing base 1 down, fixedly connected with second external screw thread 18 on the 16 outer walls of lower takeover of fixing base 1 below, the inside of lower takeover 16 is provided with oil feed way 17, and the one end of oil feed way 17 extends to the inside of joint groove 4.

The working principle is as follows: when the oil extraction packer is used, firstly, the fixing block 1302 and the connecting seat 3 are mutually clamped through the clamping groove 4, so that oil enters the oil discharge channel 9 from the inside of the oil inlet channel 17 through the oil passing hole 1303, and large impurities are prevented from entering the inside of the oil pipe, so that the service life of the large-drift-diameter oil extraction packer is prolonged;

then, a fixing groove 14 is formed in the bottom end of the built-in cavity 2 in the fixing seat 1, one end of the fixing groove 14 extends into the connecting seat 3, a sealing ring 15 is arranged in the fixing groove 14, a sealing gasket 11 is arranged at the top end of a connecting block 12 in the built-in cavity 2, the sealing gasket 11 is in interference clamping connection with the built-in cavity 2, the sealing gasket 11 is fixed in the built-in cavity 2 through the cover body 6, and under the action of the sealing gasket 11 and the sealing ring 15, the sealing performance of the mechanism is enhanced, so that the applicability of the large-drift-diameter oil extraction packer in use is improved;

finally, the outside of the built-in cavity 2 in the top of the fixing base 1 is provided with the threaded holes 5 at equal intervals, one end of each threaded hole 5 extends to the inside of the cover body 6, the top end of the cover body 6 is provided with the fastening bolts 7 at equal intervals, and the cover body 6 and the fixing base 1 are fixed to each other through the mutual matching of the fastening bolts 7 and the threaded holes 5, so that the maintenance facilitating function of the mechanism is realized, and the convenience of the large-drift-diameter oil extraction packer in use is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a big latus rectum oil recovery packer, includes fixing base (1), built-in chamber (2), connecting seat (3), joint groove (4) and lower connecting pipe (16), its characterized in that: the top of fixing base (1) is provided with built-in chamber (2) the inside in built-in chamber (2) is provided with connecting seat (3), take over (16) under the bottom fixedly connected with of connecting seat (3), and the bottom of taking over (16) extends to the outside of fixing base (1) down, fixedly connected with second external screw thread (18) on the outer wall of taking over (16) under fixing base (1), the top of connecting seat (3) is provided with joint groove (4), the inside in joint groove (4) is provided with filtering mechanism (13), the inside of filtering mechanism (13) has set gradually filter core (1301), fixed block (1302) and has crossed oilhole (1303), fixedly connected with fixed block (1302) on the outer wall of filter core (1301).

2. The large bore oil recovery packer of claim 1, wherein: the bottom end of the built-in cavity (2) in the fixing seat (1) is provided with a fixing groove (14), one end of the fixing groove (14) extends to the inside of the connecting seat (3), and a sealing ring (15) is arranged in the fixing groove (14).

3. The large bore oil recovery packer of claim 1, wherein: the top of the fixing seat (1) is provided with a cover body (6), the outer side of the built-in cavity (2) at the top of the fixing seat (1) is provided with equidistant threaded holes (5), one end of each threaded hole (5) extends to the inside of the cover body (6), the top of the cover body (6) is provided with equidistant fastening bolts (7), and the fastening bolts (7) are matched with the threaded holes (5) mutually.

4. The large bore oil recovery packer of claim 1, wherein: the top of built-in chamber (2) inner connecting seat (3) is provided with connecting block (12), take over (8) on the top fixedly connected with of connecting block (12), be provided with sealed pad (11) on the last takeover (8) outer wall on built-in chamber (2) inner connecting block (12) top, the one end of going up takeover (8) extends to the outside of lid (6), the first external screw thread (10) of fixedly connected with on the last takeover (8) outer wall of lid (6) top, the inside of going up takeover (8) is provided with oil drain way (9), and the one end of oil drain way (9) extends to the inside of joint groove (4).

5. The large bore oil recovery packer of claim 1, wherein: take over (16) under the bottom fixedly connected with of built-in chamber (2) internal connection seat (3), the one end of taking over (16) down extends to the outside of fixing base (1), fixedly connected with second external screw thread (18) on taking over (16) outer wall down of fixing base (1) below, the inside of taking over (16) down is provided with oil feed way (17), and the one end of oil feed way (17) extends to the inside of joint groove (4).

6. The large bore oil recovery packer of claim 1, wherein: fixed block (1302) and joint groove (4) are mutually supported, the inside array of filter core (1301) has oil through hole (1303), the top of filter core (1301) extends to the inside of oil drain way (9), the bottom of filter core (1301) extends to the inside of oil feed way (17).