CN114809975A

CN114809975A - Packer

Info

Publication number: CN114809975A
Application number: CN202210353117.2A
Authority: CN
Inventors: 邵正祥; 徐成林; 曹兆国
Original assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Current assignee: FUNING COUNTY HONGDA PETROCHEMICAL MACHINERY CO LTD
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-29
Anticipated expiration: 2042-04-01
Also published as: CN114809975B

Abstract

The invention discloses a packer, which relates to the technical field of packers and comprises a packer main body, wherein the bottom end of the packer main body is provided with an installation end head, the upper surface of the packer main body is provided with an installation sealing cover, the upper surface of the installation sealing cover is provided with a positioning hole, the inner wall of the positioning hole is provided with a conveying installation pipe, the surface of the packer main body is provided with a thread fixing groove, the surface of the packer main body is respectively provided with a first sealing ring and a second sealing ring, and the upper surface of the packer main body is provided with a threaded hole. Through setting up the sealed lid of installation, seal up, through setting up the thread tightening groove, be convenient for fix, through setting up first sealing washer, second sealing washer, carry out sealed operation, through setting up mechanical pressurization sealing mechanism, be convenient for artifically carry out mechanical pressurization to it for first sealing washer, second sealing washer are sealed more firm, borrow by above-mentioned structure, artifical physics carries out mechanical pressurization, makes sealed effect better.

Description

Packer

Technical Field

The invention relates to the technical field of packers, in particular to a packer.

Background

The packer is connected to the underground pipe column and used for packing the annular space between the oil pipe and the oil and gas well casing or the open hole well wall, when the packer is used, when the annular space between the oil pipe and the oil and gas well casing or the open hole well wall needs to be packed, the packer is connected to the underground pipe column, and after the annular space is packed by expanding the packing part on the packer in a hydraulic driving mode and the like after the annular space is packed to the designed depth.

When the existing packer is used, mechanical pressure applying operation is usually carried out through external pressure applying equipment, the pressure difference in a pipe is small in some scenes, mechanical pressure can be applied manually, but the situations of incomplete pressure applying and poor sealing effect exist, and therefore the packer is provided.

Disclosure of Invention

The utility model provides a purpose provides a packer to propose current packer in solving above-mentioned background art and when using, need carry out the machinery through external pressure equipment usually and exert pressure the operation, it is less that the intraductal pressure differential of scene is a bit, can manually exert mechanical pressure, but has the pressurization thoroughly, the problem of the not good condition of sealed effect.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a packer, includes the packer main part, the bottom of packer main part is provided with the installation end, the upper surface of packer main part is provided with the sealed lid of installation, the locating hole has been seted up to the upper surface of the sealed lid of installation, the inner wall of locating hole is provided with carries the installation pipe, the screw thread fixed slot has been seted up on the surface of packer main part, the surface of packer main part is provided with first sealing washer, second sealing washer respectively, the upper surface of packer main part has seted up the screw hole, the inner wall threaded connection of screw hole has mechanical pressurization sealing mechanism.

Borrow by above-mentioned structure, seal through setting up the sealed lid of installation, seal, through setting up the screw thread fixed slot, be convenient for fix, through setting up first sealing washer, second sealing washer, carry out sealed operation, through setting up mechanical pressurization sealing mechanism, be convenient for artifically carry out mechanical pressurization to it for first sealing washer, the sealed more firm of second sealing washer.

Preferably, the mechanical pressurization sealing mechanism comprises a rotating screw rod in threaded connection with the inner wall of the threaded hole, a rotating turntable is arranged at the top end of the rotating screw rod, and a linkage fixing plate is connected to the bottom end of the rotating screw rod in a rotating mode.

Further, through setting up the rotary turntable, the operator rotates rotary turntable and drives and rotate the lead screw rotation, rotates the lead screw rotation and drives the motion of linkage fixed plate.

Preferably, the surface of rotation lead screw is provided with the motion and presses the pressure dish, the lower surface that moves and presses the pressure dish sets up to the inclined plane, a plurality of installation extrusion holes have been seted up to the inner wall of packer main part, and is a plurality of the equal sliding connection in inner wall in installation extrusion hole has the linking motion piece.

Furthermore, the pressing disc is pressed through the movement, the pressing disc is in contact with the linking movement block to drive the linking movement block to move, and the movement of the linking movement block is avoided through the arrangement of the installation extrusion hole.

Preferably, the lower surface that links up the motion piece is provided with the connection mounting panel, the inner wall of packer main part is provided with the first telescopic link that makes a round trip, one side fixed connection who rotates the lead screw is kept away from with the connection mounting panel to the one end of the first telescopic link that makes a round trip, the surface cover of the first telescopic link that makes a round trip is equipped with second reset spring, the one end of second reset spring and the inner wall fixed connection of packer main part, one side fixed connection who rotates the lead screw is kept away from with the connection mounting panel to the other end of second reset spring.

Further, connect the mounting panel through setting up, through the supplementary motion piece that links up of second reset spring resets, through setting up the first telescopic link that makes a round trip, prevent that second reset spring from taking place serious deformation.

Preferably, the surface of the linkage fixing plate is respectively provided with a plurality of pressing plates and a linking motion plate, the inner wall of the packer main body is provided with a plurality of connecting guide grooves, and the side wall of the linking motion plate is in sliding connection with the inner wall of the connecting guide grooves.

Furthermore, through setting up the connection guide way, lead spacing to the motion of linking motion plate, and then make the linkage fixed plate can not take place to rotate, press the board through setting up to exert pressure, press the operation of pressurizing to accomplish of elasticity inflation gasbag.

Preferably, the inner wall of the packer main body is provided with a plurality of installation placing boxes, the inner wall of the packer main body is provided with a plurality of air inlets, the surfaces of the air inlets are provided with elastic expansion air bags, and the elastic expansion air bags are arranged inside the installation placing boxes.

Furthermore, through setting up the inlet port, dodge, be convenient for impress the pneumatics of elasticity inflation gasbag and make its inflation warp in the second sealing washer, place the case through setting up the installation, guarantee the stability behind the elasticity inflation gasbag atress.

Preferably, a plurality of the installation is placed the case and is all seted up the installation and dodge the groove near one side of rotating the lead screw, the installation is placed the upper surface of case and is seted up movable through-hole, movable through-hole and the position of pressing the board is corresponding.

Furthermore, the pressing plate can be avoided by arranging an avoiding groove and a movable through hole.

Preferably, the surface of the packer body is provided with a mounting guide plate.

Furthermore, the installation guide plate is arranged to guide and limit the movement of the positioning friction plate.

Preferably, the opposite surfaces of the upper and lower mounting guide plates are slidably connected with the same positioning friction plate.

Furthermore, a positioning friction plate is arranged to assist in positioning.

Preferably, the inner wall of the positioning friction plate is provided with a second coming and returning telescopic rod, the other end of the second coming and returning telescopic rod is fixedly connected with the surface of the packer main body, the surface of the second coming and returning telescopic rod is sleeved with a first return spring, one end of the first return spring is fixedly connected with the surface of the packer main body, and the other end of the first return spring is fixedly connected with the inner wall of the positioning friction plate.

Furthermore, through setting up first reset spring, drive the location friction plate and reset, come back the telescopic link through setting up the second, keep the stability of first reset spring motion.

In conclusion, the technical effects and advantages of the invention are as follows:

according to the invention, by arranging the rotary turntable, an operator rotates the rotary turntable to drive the rotary screw rod to rotate, the rotary screw rod rotates to drive the linkage fixing plate to move, the pressing plate moves by being arranged to be in contact with the linkage moving block to drive the linkage moving block to move, the movement of the linkage moving block is avoided by arranging the installation extrusion hole, the installation plate is connected by being arranged, the linkage moving block is assisted by the second reset spring to reset, and the second reset spring is prevented from being seriously deformed by arranging the first back-and-forth telescopic rod.

According to the invention, the connecting guide groove is arranged to guide and limit the movement of the connecting moving plate, so that the linkage fixing plate can not rotate, the elastic expansion air bag is pressed by the pressing plate for applying pressure to complete the pressurization operation, the air inlet hole is arranged for avoiding, the air pressure of the elastic expansion air bag is conveniently pressed into the second sealing ring for expansion and deformation, and the installation and placement box is arranged to ensure the stability of the elastic expansion air bag after being stressed.

According to the invention, the pressing plate is prevented from moving by arranging the installation avoiding groove and the movable through hole, the movement of the positioning friction plate is guided and limited by arranging the installation guide plate, the positioning friction plate is assisted to position by arranging the positioning friction plate, the positioning friction plate is driven to reset by arranging the first reset spring, the movement of the first reset spring is kept stable by arranging the second return telescopic rod, and the manual physical mechanical pressurization is carried out by virtue of the structure, so that the sealing effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic perspective view of a mechanical compression seal mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic perspective view of a positioning friction plate according to an embodiment of the present disclosure;

FIG. 4 is a schematic cross-sectional view of a packer body in an embodiment of the present application;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;

fig. 6 is an enlarged schematic structural diagram of the embodiment of the present application at B in fig. 4.

In the figure: 1. a packer body; 2. installing an end head; 3. installing a sealing cover; 4. conveying the installation pipe; 5. a thread fixing groove; 6. a first seal ring; 7. a second seal ring; 8. a mechanical pressure sealing mechanism; 801. rotating the turntable; 802. rotating the screw rod; 803. moving the pressing plate; 804. a linkage fixing plate; 805. installing a guide plate; 806. a second telescopic rod for returning; 807. positioning a friction plate; 808. a first return spring; 809. connecting the motion blocks; 810. pressing a pressing plate; 811. installing a placing box; 812. an elastically expandable balloon; 813. installing an avoidance groove; 814. connecting the guide groove; 815. connecting the mounting plate; 816. a first reciprocating telescoping rod; 817. a second return spring; 818. connecting the motion plates; 819. a movable through hole; 820. and installing the extrusion hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-6, a packer comprises a packer main body 1, the packer main body 1 may be any one of the prior art, a mounting end 2 is disposed at a bottom end of the packer main body 1, the mounting end 2 may be any one of the prior art, a mounting sealing cover 3 is disposed on an upper surface of the packer main body 1, the mounting sealing cover 3 may be any one of the prior art, a positioning hole is formed in an upper surface of the mounting sealing cover 3, a conveying mounting pipe 4 is disposed on an inner wall of the positioning hole, the mounting pipe may be any one of the prior art, a thread fixing groove 5 is formed in a surface of the packer main body 1, a first sealing ring 6 and a second sealing ring 7 are respectively disposed on a surface of the packer main body 1, the first sealing ring 6 and the second sealing ring 7 may be any one of the prior art, a threaded hole is formed in an upper surface of the packer main body 1, the inner wall of the threaded hole is connected with a mechanical pressure sealing mechanism 8 in a threaded mode, and the mechanical pressure sealing mechanism 8 can be any one of the prior art.

Borrow by above-mentioned structure, seal through setting up the sealed lid 3 of installation, seal, through setting up screw thread fixed slot 5, be convenient for fix, through setting up first sealing washer 6, second sealing washer 7, carry out sealed operation, through setting up mechanical pressurization sealing mechanism 8, be convenient for artifically carry out mechanical pressurization to it for first sealing washer 6, the sealed more firm of second sealing washer 7.

As a preferred embodiment in this embodiment, the mechanical pressurization sealing mechanism 8 includes a rotating screw 802 screwed to the inner wall of the threaded hole, the rotating screw 802 may be any one of the prior art, a rotating turntable 801 is provided at the top end of the rotating screw 802, the rotating turntable 801 may be any one of the prior art, a linkage fixing plate 804 is rotatably connected to the bottom end of the rotating screw 802, and the linkage fixing plate 804 may be any one of the prior art.

By arranging the rotary turntable 801, an operator rotates the rotary turntable 801 to drive the rotary screw rod 802 to rotate, and the rotary screw rod 802 rotates to drive the linkage fixing plate 804 to move.

In this embodiment, the surface of the rotating screw 802 is provided with a motion pressing plate 803, the motion pressing plate 803 may be any one in the prior art, the lower surface of the motion pressing plate 803 is provided with an inclined surface, the inner wall of the packer main body 1 is provided with a plurality of installation extrusion holes 820, the inner walls of the installation extrusion holes 820 are all slidably connected with a linking motion block 809, and the linking motion block 809 may be any one in the prior art. Through setting up motion pressing disc 803, contact with linking motion piece 809 and drive linking motion piece 809 and take place the motion, through setting up installation extrusion hole 820, dodge the motion of linking motion piece 809.

In this embodiment, a connection mounting plate 815 is disposed on a lower surface of the connection motion block 809, the connection mounting plate 815 may be any one in the prior art, a first back-and-forth telescopic rod 816 is disposed on an inner wall of the packer main body 1, the first back-and-forth telescopic rod 816 may be any one in the prior art, one end of the first back-and-forth telescopic rod 816 is fixedly connected to one side of the connection mounting plate 815, which is far away from the rotation screw 802, a second return spring 817 is sleeved on a surface of the first back-and-forth telescopic rod 816, the second return spring 817 may be any one in the prior art, one end of the second return spring 817 is fixedly connected to an inner wall of the packer main body 1, and the other end of the second return spring 817 is fixedly connected to one side of the connection mounting plate 815, which is far away from the rotation screw 802. The connecting mounting plate 815 is arranged, the second return spring 817 assists the linking motion block 809 to reset, and the first back-and-forth telescopic rod 816 is arranged to prevent the second return spring 817 from being seriously deformed.

In this embodiment, the surface of the fixed linkage plate 804 is provided with a plurality of pressing plates 810 and engaging moving plates 818, respectively, the pressing plates 810 and the engaging moving plates 818 may be any one of those in the prior art, the inner wall of the packer body 1 is provided with a plurality of connecting guide grooves 814, and the side walls of the engaging moving plates 818 are slidably connected with the inner walls of the connecting guide grooves 814. The connecting guide groove 814 is arranged to guide and limit the movement of the connecting moving plate 818, so that the linkage fixing plate 804 cannot rotate, and the pressing plate 810 is arranged to press the elastic expansion air bag 812 to complete the pressing operation.

As a preferred embodiment in this embodiment, a plurality of installation and placement boxes 811 are provided on the inner wall of the packer main body 1, the installation and placement boxes 811 may be any one of the installation and placement boxes in the prior art, a plurality of air inlet holes are provided on the inner wall of the packer main body 1, elastic expansion airbags 812 are provided on the surfaces of the air inlet holes, the elastic expansion airbags 812 may be any one of the installation and placement boxes 811 in the prior art, and the elastic expansion airbags 812 are provided inside the installation and placement boxes 811. Through setting up the inlet port, dodge, be convenient for press the pneumatics of elasticity inflation gasbag 812 into second sealing washer 7 and make its inflation warp, place case 811 through setting up the installation, guarantee the stability behind the elasticity inflation gasbag 812 atress.

In this embodiment, a plurality of mounting and placing boxes 811 have mounting and avoiding grooves 813 on one side thereof close to the rotating screw 802, and the upper surface of the mounting and placing boxes 811 have movable through holes 819 corresponding to the positions of the pressing plates 810. The pressure applying pressing plate 810 is prevented from moving by arranging the preventing groove 813 and the movable through hole 819.

As a preferred embodiment in this embodiment, the surface of the packer main body 1 is provided with a mounting guide plate 805, the mounting guide plate 805 may be any one of the prior art, the opposite surfaces of the upper and lower mounting guide plates 805 are slidably connected with the same positioning friction plate 807, the positioning friction plate 807 may be any one of the prior art, the inner wall of the positioning friction plate 807 is provided with a second coming and returning expansion rod 806, the second coming and returning expansion rod 806 may be any one of the prior art, the other end of the second coming and returning expansion rod 806 is fixedly connected with the surface of the packer main body 1, the surface of the second coming and returning expansion rod 806 is sleeved with a first return spring 808, one end of the first return spring 808 is fixedly connected with the surface of the packer main body 1, and the other end of the first return spring 808 is fixedly connected with the inner wall of the positioning friction plate 807. Through setting up installation deflector 805, the motion to location friction plate 807 is led spacingly, through setting up location friction plate 807, supplementary location, through setting up first reset spring 808, drives location friction plate 807 and resets, comes back telescopic link 806 through setting up the second, keeps the stability of first reset spring 808 motion.

The working principle of the invention is as follows: the utility model provides a packer, the user is when using, the operator places packer main part 1 wholly in the pipeline, at the whole in-process that descends of packer main part 1, make the surface of location friction plate 807 and the inner wall contact of pipeline, compress first reset spring 808 and warp, location friction plate 807 extrudees the pipeline inner wall under the effect of first reset spring 808 reset force, supplementary location, when needing to carry out mechanical pressurization and sealing, rotate rotatory carousel 801, rotatory carousel 801 rotates and drives rotation lead screw 802 and rotate, rotation lead screw 802 rotates and drives linkage fixed plate 804 and move, linkage fixed plate 804 moves and drives linking motion plate 818 and carry out the direction slip along the inner wall of connecting guide way 814, and then make linkage fixed plate 804 can not take place to rotate.

The rotating screw rod 802 rotates and descends to drive the moving pressing plate 803 to descend, the inclined surface of the lower surface of the moving pressing plate 803 contacts with the inclined surface of the upper surface of the connecting moving block 809 to drive the connecting moving block 809 to move, so that one side of the connecting moving block 809 slides towards the direction of the first sealing ring 6, the connecting moving block 809 moves to drive the connecting mounting plate 815 to move, the connecting mounting plate 815 moves to compress the second return spring 817 to shorten the second return spring, the linkage fixing plate 804 descends to drive the connecting moving plate 818 and the pressing plate 810 to move together, the pressing plate 810 descends to enter the mounting and placing box 811 through the movable through hole 819 to compress the elastic expansion air bag 812, air in the elastic expansion air bag 812 enters the second sealing ring 7 through the air inlet hole to expand and deform the second sealing ring 7, the surface is extruded with the inner wall of the pipeline to complete sealing, and by the structure, the mechanical pressurization is carried out manually and physically, so that the sealing effect is better.

It should be noted that the components, modules and mechanisms that are not described in detail in this application are all general standard components or components known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or through routine experiments. The connection relationship between the structures can be any one of the prior art such as: through the bolt and nut cooperation use the spiro union's of realization mode, the joint mode of realization is used in the cooperation through size cooperation and fastener, through modes integrated into one piece such as forging, cutting, through welded fastening's mode etc. this technical field personnel can combine the description and the structural feature of this application, learn or learn through conventional experimental approach through looking up the technical manual. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A packer, comprising a packer body (1), characterized in that: the bottom of packer main part (1) is provided with installation end (2), the upper surface of packer main part (1) is provided with the sealed lid of installation (3), the locating hole has been seted up to the upper surface of the sealed lid of installation (3), the inner wall of locating hole is provided with carries installation pipe (4), screw thread fixed slot (5) have been seted up on the surface of packer main part (1), the surface of packer main part (1) is provided with first sealing washer (6), second sealing washer (7) respectively, the upper surface of packer main part (1) has seted up threaded hole, the inner wall threaded connection of screw hole has mechanical pressurization sealing mechanism (8).

2. A packer as claimed in claim 1, wherein: the mechanical pressurization sealing mechanism (8) comprises a rotating screw rod (802) in threaded connection with the inner wall of the threaded hole, a rotating turntable (801) is arranged at the top end of the rotating screw rod (802), and a linkage fixing plate (804) is rotationally connected to the bottom end of the rotating screw rod (802).

3. A packer as claimed in claim 2, wherein: the surface of rotation lead screw (802) is provided with motion pressing disc (803), the lower surface of motion pressing disc (803) sets up to the inclined plane, a plurality of installation extrusion hole (820) have been seted up to the inner wall of packer main part (1), and is a plurality of equal sliding connection of inner wall in installation extrusion hole (820) has linking motion piece (809).

4. A packer as claimed in claim 3, wherein: the lower surface of linking up motion piece (809) is provided with connects mounting panel (815), the inner wall of packer main part (1) is provided with first telescopic link (816) of making a round trip, the one end of first telescopic link (816) of making a round trip with connect mounting panel (815) and keep away from one side fixed connection who rotates lead screw (802), the surface cover of first telescopic link (816) of making a round trip is equipped with second reset spring (817), the one end of second reset spring (817) and the inner wall fixed connection of packer main part (1), the other end of second reset spring (817) with connect mounting panel (815) keep away from one side fixed connection who rotates lead screw (802).

5. A packer as claimed in claim 2, wherein: the surface of the linkage fixing plate (804) is provided with a plurality of pressing plates (810) and a linking moving plate (818), the inner wall of the packer body (1) is provided with a plurality of connecting guide grooves (814), and the side wall of the linking moving plate (818) is in sliding connection with the inner wall of the connecting guide grooves (814).

6. A packer as claimed in claim 1, wherein: the inner wall of packer main part (1) is provided with a plurality of installations and places case (811), a plurality of inlet ports have been seted up to the inner wall of packer main part (1), the surface of inlet port is provided with elasticity inflation gasbag (812), elasticity inflation gasbag (812) set up in the installation place the inside of case (811).

7. A packer as claimed in claim 6, wherein: a plurality of installation is placed case (811) and is all seted up installation and dodge groove (813) near one side of rotating lead screw (802), the installation is placed the upper surface of case (811) and is seted up movable through-hole (819), movable through-hole (819) and the position of pressing according to board (810) of exerting pressure correspond.

8. A packer as claimed in claim 1, wherein: the surface of the packer main body (1) is provided with a mounting guide plate (805).

9. A packer as claimed in claim 8, wherein: the opposite surfaces of the upper and lower mounting guide plates (805) are connected with the same positioning friction plate (807) in a sliding way.

10. A packer as claimed in claim 9, wherein: the inner wall of the positioning friction plate (807) is provided with a second coming and returning expansion rod (806), the other end of the second coming and returning expansion rod (806) is fixedly connected with the surface of the packer main body (1), the surface of the second coming and returning expansion rod (806) is sleeved with a first return spring (808), one end of the first return spring (808) is fixedly connected with the surface of the packer main body (1), and the other end of the first return spring (808) is fixedly connected with the inner wall of the positioning friction plate (807).