CN213063521U - Packer for water well injection allocation - Google Patents
Packer for water well injection allocation Download PDFInfo
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- CN213063521U CN213063521U CN202022138092.3U CN202022138092U CN213063521U CN 213063521 U CN213063521 U CN 213063521U CN 202022138092 U CN202022138092 U CN 202022138092U CN 213063521 U CN213063521 U CN 213063521U
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Abstract
The utility model provides a packer for well injection allocation, including main top connection, first fixed cover, seat cover, outer sliding sleeve, packing element, reset valve, vice top connection, sealed rubber ring, backwash cover, the fixed cover of second and main lower clutch, main top connection right-hand member face is installed first fixed cover, seat cover is installed to first fixed cover right-hand member face, outer sliding sleeve is installed to seat cover right-hand member face, the packing element is installed to outer sliding sleeve right-hand member face, the reset valve is installed to packing element right-hand member face, backwash cover is installed to reset valve right-hand member face, the fixed cover of second is installed to backwash cover right-hand member face, main lower clutch is installed to the fixed cover right-hand member face of second, vice top connection is installed in outer sliding sleeve left side, compares with prior art, the utility model discloses following beneficial effect has: avoided the problem of special instrument launching allotment, solved the higher problem of original device operation complexity cost, improved the utility model discloses join in marriage the effect of notes.
Description
Technical Field
The utility model relates to a packer for well injection allocation belongs to well injection allocation packer technical field.
Background
According to the requirement of the surrounding water wells on the water injection quantity, the water injection wells distribute the water injection quantity according to the properties of oil layers of different intervals, namely water distribution and injection allocation, generally, a high-permeability oil layer is required to properly control water injection, and a low-permeability oil layer strengthens water injection so as to relieve the contradiction between the intervals and improve the water well development effect.
Along with the continuous development of the mechatronics technology in the prior art, the oil field injection and production process is gradually combined with the mechatronics technology and develops towards the direction of intellectualization and whole controllable process. The existing water well water injection packer is matched with mechanical water injection equipment, when corresponding data is required to be tested, allocated and recorded, a special allocation instrument needs to be put in, the operation process is complex, and the cost is higher, so that the existing packer for water well water injection allocation is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a packer for well injection allocation, through adding main top connection, first fixed cover, seat big sleeve, outer sliding sleeve, packing element, reset valve, backwash cover, the fixed cover of second and main bottom connection to solve the problem that proposes in the above-mentioned background art.
The technical scheme of the utility model is realized like this: a packer for water well injection allocation comprises a main upper joint, a first fixing sleeve, a seat sleeve, an outer sliding sleeve, a rubber cylinder, a reset valve, a backwashing sleeve, a second fixing sleeve and a main lower joint, wherein the first fixing sleeve is installed on the right end face of the main upper joint;
the outer sliding sleeve comprises an upper auxiliary joint, a sealing rubber ring, a first fracturing hole, an inner sliding sleeve, through holes, a body, an expansion ball seat, a second fracturing hole and a lower auxiliary joint, the upper auxiliary joint is installed on the left side of the outer sliding sleeve, the sealing rubber ring is installed on the right end face of the upper auxiliary joint, the first fracturing hole is formed in the right end face of the sealing rubber ring, the inner sliding sleeve is installed on the right end face of the first fracturing hole, the through hole is formed in the right end face of the inner sliding sleeve, a main body is installed on the right end face of the through hole, the expansion ball seat is installed on the right end face of the main body, the second fracturing hole is installed on the right end face of the expansion ball seat, and the lower auxiliary joint;
the backwashing sleeve comprises a safety valve, a hydraulic control valve, an adjustable water distributor, a hydraulic control packer, a tubing anchor, a side-opening backwashing valve, a plug and an artificial well bottom, the safety valve is installed at the upper end of the backwashing sleeve, the hydraulic control valve is installed on the lower end surface of the safety valve, the adjustable water distributor is installed on the lower end surface of the hydraulic control valve, the hydraulic control packer is installed on the lower end surface of the adjustable water distributor, the tubing anchor is installed on the lower end surface of the hydraulic control packer, the side-opening backwashing valve is installed on the lower end surface of the tubing anchor, the plug is installed on the lower end surface of the side-opening backwashing valve.
As a preferred embodiment, the main upper joint and the first fixed sleeve are fixed by thread engagement, the first fixed sleeve and the seat sleeve are fixed by thread engagement, the outer sliding sleeve and the seat sleeve are fixed by welding, the rubber cylinder and the outer sliding sleeve are fixed by welding, the reset valve and the outer sliding sleeve are fixed by welding, the backwashing sleeve and the reset valve are fixed by thread engagement, the second fixed sleeve and the backwashing sleeve are fixed by thread engagement, and the main lower joint and the second fixed sleeve are fixed by thread engagement.
As a preferred embodiment, the volume ratio of the secondary upper joint is smaller than that of the primary upper joint, the specifications of the primary upper joint and the secondary upper joint are the same, the specifications of the first fracturing hole and the second fracturing hole are the same, the outer shell of the inner sliding sleeve is made of a metal material, a steel ball is arranged inside the expansion ball seat, a ball blocking support rod is arranged inside the expansion ball seat, and the ball blocking support rods are provided with a plurality of groups and have the same specification.
As a preferred embodiment, the first fixing sleeve and the second fixing sleeve have the same specification, and internal threads are arranged inside the first fixing sleeve and the second fixing sleeve.
As a preferred embodiment, the adjustable water distributors have four groups, the specifications of the four groups of adjustable water distributors are the same, an iron block is installed on the left end face of the oil pipe anchor, the oil pipe anchor has two groups, the specifications of the two groups of oil pipe anchors are the same, and the side-opening backwashing valve is a movable mechanism.
After the technical scheme is adopted, the beneficial effects of the utility model are that: the utility model discloses a packer for injection is joined in marriage to well, including main top connection, first fixed cover, seat cover, outer sliding sleeve, packing element, reset valve, backwash cover, the fixed cover of second and main bottom contact, this design has made things convenient for the improvement to the device, has avoided the problem of special instrument offal allotment, has solved the higher problem of original device operation complex cost, has improved the utility model discloses join in marriage the effect of injection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a packer for water well injection allocation of the present invention;
FIG. 2 is a front sectional view of an outer sliding sleeve in the packer for water well injection allocation of the present invention;
FIG. 3 is a front sectional view of a back wash sleeve in a packer for water well injection allocation of the present invention;
in the figure: 1-main upper joint, 2-second fixed sleeve, 3-seat sleeve, 4-outer sliding sleeve, 5-rubber cylinder, 6-reset valve, 7-backwashing sleeve, 8-second fixed sleeve, 9-main lower joint, 41-auxiliary upper joint, 42-sealing rubber ring, 43-first fracturing hole, 44-inner sliding sleeve, 45-through hole, 46-body, 47-expansion ball seat, 48-second fracturing hole, 49-auxiliary lower joint, 71-safety valve, 72-hydraulic control valve, 73-adjustable water distributor, 74-hydraulic control packer, 75-tubing anchor, 76-side opening backwashing valve, 77-plug and 78-artificial well bottom.
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 efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a packer for water well injection allocation comprises a main upper joint 1, a first fixing sleeve 2, a seat sleeve 3, an outer sliding sleeve 4, a rubber cylinder 5, a reset valve 6, a backwashing sleeve 7, a second fixing sleeve 8 and a main lower joint 9, wherein the first fixing sleeve 2 is installed on the right end face of the main upper joint 1, the seat sleeve 3 is installed on the right end face of the first fixing sleeve 2, the outer sliding sleeve 4 is installed on the right end face of the seat sleeve 3, the rubber cylinder 5 is installed on the right end face of the outer sliding sleeve 4, the reset valve 6 is installed on the right end face of the rubber cylinder 5, the backwashing sleeve 7 is installed on the right end face of the reset valve 6, the second fixing sleeve 8 is installed on the right end face of the backwashing sleeve 7, and the main;
the outer sliding sleeve 4 comprises an upper auxiliary joint 41, a sealing rubber ring 42, a first fracturing hole 43, an inner sliding sleeve 44, a through hole 45, a body 46, an expansion ball seat 47, a second fracturing hole 48 and a lower auxiliary joint 49, the upper auxiliary joint 41 is installed on the left side of the outer sliding sleeve 4, the sealing rubber ring 42 is installed on the right end face of the upper auxiliary joint 41, the first fracturing hole 43 is formed in the right end face of the sealing rubber ring 42, the inner sliding sleeve 44 is installed on the right end face of the first fracturing hole 43, the through hole 45 is formed in the right end face of the inner sliding sleeve 44, the body is installed on the right end face of the through hole 45, the expansion ball seat 47 is installed on the right end face of the body, the second fracturing hole 48 is installed on the right end face of the expansion ball seat 47;
the backwashing sleeve 7 comprises a safety valve 71, a hydraulic control valve 72, an adjustable water distributor 73, a hydraulic control packer 74, a tubing anchor 75, a side-opening backwashing valve 76, a plug 77 and an artificial well bottom 78, the safety valve 71 is installed at the upper end of the backwashing sleeve 7, the hydraulic control valve 72 is installed on the lower end surface of the safety valve 71, the adjustable water distributor 73 is installed on the lower end surface of the hydraulic control valve 72, the hydraulic control packer 74 is installed on the lower end surface of the adjustable water distributor 73, the tubing anchor 75 is installed on the lower end surface of the hydraulic control packer 74, the side-opening backwashing valve 76 is installed on the lower end surface of the tubing anchor 75, the plug 77 is installed on the lower end surface of.
The main upper joint 1 is fixed with the first fixed sleeve 2 through thread engagement, the first fixed sleeve 2 is fixed with the seat sleeve 3 through thread engagement, the outer sliding sleeve 4 is fixed with the seat sleeve 3 through welding, the rubber cylinder 5 is fixed with the outer sliding sleeve 4 through welding, the reset valve 6 is fixed with the outer sliding sleeve 4 through welding, the backwashing sleeve 7 is fixed with the reset valve 6 through thread engagement, the second fixed sleeve 8 is fixed with the backwashing sleeve 7 through thread engagement, and the main lower joint 9 is fixed with the second fixed sleeve 8 through thread engagement.
The volume proportion of the auxiliary upper joint 41 is smaller than that of the main upper joint 1, the internal specifications of the main upper joint 1 and the auxiliary upper joint 41 are the same, the specifications of the first fracturing hole 43 and the second fracturing hole 48 are the same, the shell of the inner sliding sleeve 44 is made of a metal material, a steel ball is arranged inside the expansion ball seat 47, a fixed ball seat is arranged at the bottom of the expansion ball seat 47, a ball blocking support rod is arranged inside the expansion ball seat 47, and the ball blocking support rod comprises a plurality of groups which are the same in specification.
The first fixing sleeve 2 and the second fixing sleeve 8 have the same specification, and internal threads are arranged inside the first fixing sleeve 2 and the second fixing sleeve 8.
The adjustable water distributors 73 are four groups, the specifications of the four groups of adjustable water distributors 73 are the same, the iron blocks are arranged on the left end face of the oil pipe anchors 75, the oil pipe anchors 75 are two groups, the specifications of the two groups of oil pipe anchors 75 are the same, and the side-opening backwashing valves 76 are movable mechanisms.
As an embodiment of the present invention: in the actual use process, because the adjustable water distributors 73 have four groups, and the specifications of the four groups of adjustable water distributors 73 are the same, the iron block is arranged on the left end surface of the oil pipe anchor 75, the oil pipe anchor 75 has two groups, and the specifications of the two groups of oil pipe anchors 75 are the same, the side-opening backwash valve 76 is a movable mechanism, the hydraulic control valve 72 is arranged on the lower end surface of the safety valve 71, the adjustable water distributor 73 is arranged on the lower end surface of the hydraulic control valve 72, the outer sliding sleeve 4 is forcibly opened by the reset valve 6, the outer sliding sleeve 4 is forcibly closed by the control of the reset valve 6 after the pressure of the rubber barrel 5 is released, the occurrence of the phenomenon of poor sealing caused by shaft impurities or the difference of upper and lower pressures after the backwash sleeve is avoided, the water quality in the water well can be effectively protected, because the volume ratio of the auxiliary upper joint 41 is smaller than that of the main upper joint 1, the specifications of the auxiliary upper joint 41 are, expansion ball seat 47 inside is equipped with the steel ball, expansion ball seat 47 bottom is equipped with fixed ball seat, can be at the well cementation in-process, every section comprises a plurality of outer sliding sleeve 4 and inner sliding sleeve 44, seat is gone into through the ball of the different diameter sizes of ground pumping, beat and press first fracturing hole 43 and drive 3 downstream of inner sliding sleeve with second fracturing hole 48, outer sliding sleeve 4 opens, continue to beat and make expansion ball seat 47 expansion, the ball passes through the back and goes into next-level outer sliding sleeve 4, repetitive operation opens a plurality of outer sliding sleeves 4 in proper order, until the ball falls into fixed ball seat, 8 downstream of inner sliding sleeve, outer sliding sleeve 4 opens, begin the fracturing construction of this section afterwards.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a packer for well injection allocation, includes main top connection, first fixed cover, sits big cover, outer sliding sleeve, packing element, reset valve, backwash cover, the fixed cover of second and main lower clutch, its characterized in that: a first fixing sleeve is mounted on the right end face of the main upper joint, a seat sleeve is mounted on the right end face of the first fixing sleeve, an outer sliding sleeve is mounted on the right end face of the seat sleeve, a rubber cylinder is mounted on the right end face of the outer sliding sleeve, a reset valve is mounted on the right end face of the rubber cylinder, a backwashing sleeve is mounted on the right end face of the reset valve, a second fixing sleeve is mounted on the right end face of the backwashing sleeve, and a main lower joint is mounted on the right end face of the second fixing sleeve;
the outer sliding sleeve comprises an upper auxiliary joint, a sealing rubber ring, a first fracturing hole, an inner sliding sleeve, through holes, a body, an expansion ball seat, a second fracturing hole and a lower auxiliary joint, the upper auxiliary joint is installed on the left side of the outer sliding sleeve, the sealing rubber ring is installed on the right end face of the upper auxiliary joint, the first fracturing hole is formed in the right end face of the sealing rubber ring, the inner sliding sleeve is installed on the right end face of the first fracturing hole, the through hole is formed in the right end face of the inner sliding sleeve, a main body is installed on the right end face of the through hole, the expansion ball seat is installed on the right end face of the main body, the second fracturing hole is installed on the right end face of the expansion ball seat, and the lower auxiliary joint;
the backwashing sleeve comprises a safety valve, a hydraulic control valve, an adjustable water distributor, a hydraulic control packer, a tubing anchor, a side-opening backwashing valve, a plug and an artificial well bottom, the safety valve is installed at the upper end of the backwashing sleeve, the hydraulic control valve is installed on the lower end surface of the safety valve, the adjustable water distributor is installed on the lower end surface of the hydraulic control valve, the hydraulic control packer is installed on the lower end surface of the adjustable water distributor, the tubing anchor is installed on the lower end surface of the hydraulic control packer, the side-opening backwashing valve is installed on the lower end surface of the tubing anchor, the plug is installed on the lower end surface of the side-opening backwashing valve.
2. A packer for water well injection allocation according to claim 1, wherein: the main upper joint and the first fixing sleeve are fixed through thread meshing, the first fixing sleeve and the seat sleeve are fixed through thread meshing, the outer sliding sleeve and the seat sleeve are fixed through welding, the rubber cylinder and the outer sliding sleeve are fixed through welding, the reset valve and the outer sliding sleeve are fixed through welding, the backwashing sleeve and the reset valve are fixed through thread meshing, the second fixing sleeve and the backwashing sleeve are fixed through thread meshing, and the main lower joint and the second fixing sleeve are fixed through thread meshing.
3. A packer for water well injection allocation according to claim 1, wherein: the volume proportion of the auxiliary upper joint is smaller than that of the main upper joint, the specifications of the main upper joint and the auxiliary upper joint are the same, the specifications of the first fracturing hole and the second fracturing hole are the same, the outer shell of the inner sliding sleeve is made of a metal material, steel balls are arranged inside the expansion ball seat, ball blocking support rods are arranged inside the expansion ball seat, and the ball blocking support rods are provided with a plurality of groups which are the same in specification.
4. A packer for water well injection allocation according to claim 1, wherein: the first fixing sleeve and the second fixing sleeve are the same in specification, and internal threads are arranged inside the first fixing sleeve and the second fixing sleeve.
5. A packer for water well injection allocation according to claim 1, wherein: the adjustable water distributors are four groups, the specifications of the four groups of adjustable water distributors are the same, an iron block is installed on the left end face of the oil pipe anchor, the specifications of the two groups of oil pipe anchors are the same, and the side-opening backwashing valve is a movable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022138092.3U CN213063521U (en) | 2020-09-25 | 2020-09-25 | Packer for water well injection allocation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022138092.3U CN213063521U (en) | 2020-09-25 | 2020-09-25 | Packer for water well injection allocation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213063521U true CN213063521U (en) | 2021-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022138092.3U Active CN213063521U (en) | 2020-09-25 | 2020-09-25 | Packer for water well injection allocation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213063521U (en) |
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2020
- 2020-09-25 CN CN202022138092.3U patent/CN213063521U/en active Active
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