CN210003252U - Hydraulic repeated switch device - Google Patents
Hydraulic repeated switch device Download PDFInfo
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- CN210003252U CN210003252U CN201920732554.9U CN201920732554U CN210003252U CN 210003252 U CN210003252 U CN 210003252U CN 201920732554 U CN201920732554 U CN 201920732554U CN 210003252 U CN210003252 U CN 210003252U
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- 239000007788 liquid Substances 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 30
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- -1 layered test Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to an hydraulic pressure repetition switch device belongs to oil machinery technical field, the utility model discloses by the intercommunication joint, the sliding sleeve, pressure balance cover, the dog, the spring housing, a spring, the adjustable ring, constitute down the joint etc. under the effect of high-pressure liquid, the sliding sleeve produces down thrust by the area difference of its design, promote the down compression spring of dog, reach definite value when pressure, the sliding sleeve is automatic down opened when lower thrust is greater than the spring force, the play liquid hole on the intercommunication joint is opened, the spring is automatic kick-backs under the spring action after the pressure release, promote the sliding sleeve and go upward and reset, it closes to go out the liquid hole, the utility model discloses a lower thrust that the sliding sleeve produced under the hydraulic pressure effect and the elasticity of the automatic resilience of spring realize the device's repetitious switch, avoid throwing the ball need not in place the repeated defect of tubular column down, solve steel wire and continuous oil pipe operation construction cycle length, problem that the operating cost is high, satisfy the repetitious operation.
Description
Technical Field
The utility model relates to a petroleum machinery technical field specifically is hydraulic pressure duplicate switching device.
Background
The underground switch is an important matched underground tool for measure construction such as oil field production increase, injection increase and the like, and is particularly suitable for the technical fields of layered water injection, layered test, oil layer protection, reservoir transformation and the like, the currently used hydraulic switch devices are mainly two, are -time hydraulic switch devices, the device is simple to operate, but only has -time opening and closing functions, cannot be repeatedly used, is high in operation cost and long in well occupying period, the underground switch device is required to realize multiple opening and closing actions to complete all measure operations during underground operation construction, the device is small in application range and cannot meet the requirement of repeated use of underground immobile pipe column operation, is a hydraulic multiple-time switch device, the hydraulic multiple-time switch device is just like a ball-throwing pressure-holding device or a steel wire, a continuous oil pipe belt is opened and closed, a fluid control valve of an oil well is opened or closed, the problems of high operation cost, long construction period and the like exist, and the normal production of the oil field is seriously influenced by the defect that the ball is not put in place and the oil well is required to be repeatedly put in place under the conditions of dirt, sand production and the.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, thereby provide kinds of hydraulic pressure repeated switch device, hydraulic means's repetition is opened and is closed to the lower thrust that the area difference of high-pressure liquid design produced on through the sliding sleeve external diameter and the elasticity that the spring is automatic kick-backed, it is high to solve hydraulic means operating cost, the problem of construction cycle length, and can realize the repeated killing of motionless tubular column, measure operations such as acidizing, reduce the operation and account for well cycle, improve operation construction benefits, satisfy the many times operation demand of the increase production transformation measure.
The utility model provides a problem, the technical scheme who adopts is:
A hydraulic repeated switch device comprises a communication joint, a trapezoidal sealing ring, an O-shaped sealing ring, a sliding sleeve, a pressure balance sleeve, a stop block, a spring sleeve, a spring, an adjusting ring and a lower joint, wherein the lower end of the communication joint is provided with an external thread, the communication joint is connected with the pressure balance sleeve through the internal thread and the external thread and sealed through the O-shaped sealing ring sleeved on the communication joint, a separation type design is adopted between the concave step of the communication joint and the sliding sleeve, the sealing between the communication joint and the sliding sleeve is realized through a plurality of groups of trapezoidal sealing rings and O-shaped sealing rings, the communication joint is provided with at least key groove-shaped liquid outlet holes which are axially parallel to the communication joint, the lower end of the communication joint is provided with the pressure balance sleeve, the pressure balance holes which are axially parallel to the pressure balance sleeve and used for balancing the pressure difference of the oil sleeve are arranged on the pressure balance sleeve, the pressure balance sleeve is connected with the spring sleeve through the internal thread and the external thread, the spring is arranged in the spring sleeve.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
this device can be through the convenient repeated opening and closing of the realization hydraulic means of the lower thrust that the sliding sleeve area difference produced and the automatic resilience force of spring, the defect that the tubular column need be repeatedly played down to the bowling has been avoided not in place, the problem that steel wire and coiled tubing operation construction cycle is long, the operating cost is high has been solved, the repetitious operation demand of the transformation measure of increasing production has been satisfied, hydraulic pressure recloser's repeated opening and closing has been realized, improve the frequency of use, reduce the operation and account for well cycle, reduce the operating cost.
Preferably, the utility model discloses a technical scheme who further step is:
a plurality of groups of dovetail groove-shaped sealing grooves are formed in the inner circle of the communicating joint, and the trapezoidal sealing ring is formed by vulcanizing high-temperature and high-pressure resistant rubber and is fixed in the plurality of groups of dovetail grooves of the communicating joint, so that the performance is stable.
The check block is arranged in the spring sleeve and positioned between the sliding sleeve and the spring, the compression stroke of the spring is adjusted by adjusting the number of the check blocks, and the opening pressure of the sliding sleeve is controlled.
The adjusting ring is arranged inside the spring sleeve and located between the spring and the lower joint, a quincunx liquid flow channel is arranged in the middle of the adjusting ring, external threads are arranged on the surface of an outer circle, the lower end of the spring sleeve is connected with the adjusting ring through a thread structure, and the position of the adjusting ring on the internal threads at the lower end of the spring sleeve is adjusted through rotating the thread buckle to compress or release the compression distance of the spring.
An inward convex limiting step is arranged in the spring sleeve and used for adjusting the maximum stroke of the spring and limiting the descending distance of the sliding sleeve and the stop block.
The high-pressure liquid generates lower thrust through the area difference arranged on the outer diameter of the sliding sleeve, the sliding sleeve is pushed to compress the spring downwards, and the sliding sleeve is opened when the pressure reaches constant pressure value.
Drawings
FIG. 1 is a schematic sectional view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partially enlarged structure of the embodiment of the present invention, in which the connection joint, the trapezoidal sealing ring, and the sliding sleeve are engaged;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention in a use state;
in the figure: 1-a communication joint, 2-a trapezoidal sealing ring, 3-an O-shaped sealing ring, 4-a sliding sleeve, 5-a pressure balance sleeve, 6-a stop block, 7-a spring sleeve, 8-a spring, 9-an adjusting ring and 10-a lower joint;
201-oil pipe, 202-bell mouth, 203-hydraulic packer, 204-hydraulic repeated switching device, 205-single flow valve.
The specific implementation mode is as follows:
the invention will now be described by reference to the following example , which is intended only to make the invention better understood and therefore does not limit the scope of the invention.
Referring to fig. 1, 2, 3 and hydraulic repeated switching devices, the hydraulic repeated switching devices comprise a communication joint 1, a trapezoidal sealing ring 2, an O-shaped sealing ring 3, a sliding sleeve 4, a pressure balance sleeve 5, a stop block 6, a spring sleeve 7, a spring 8, an adjusting ring 9 and a lower joint 10, wherein external threads are arranged at the lower end of the communication joint 1, the communication joint 1 is connected with the pressure balance sleeve 5 through internal and external threads and sealed through the O-shaped sealing ring sleeved on the communication joint 1, a plurality of groups of groove-shaped sealing grooves are formed in the inner circle of the communication joint 1, the trapezoidal sealing ring 2 is formed by vulcanizing high-temperature and high-pressure resistant rubber and is fixed in a plurality of groups of dovetail grooves of the communication joint 1 and stable in performance, a separation design is adopted between the concave step of the communication joint 1 and the sliding sleeve 4, effective sealing between the communication joint 1 and the sliding sleeve 4 is realized through the plurality of groups of the trapezoidal sealing rings 2 and the O-shaped sealing rings, a liquid outlet hole which is formed in a four groove shape and is axially parallel to the communication joint 1, the communication joint 1 is formed in the communication joint 1, the lower end of the sliding sleeve, the sliding sleeve is provided with a dovetail groove-shaped spring, the sliding sleeve is connected with the sliding sleeve, the sliding sleeve is controlled by the sliding sleeve, the stop block 6, the sliding sleeve is controlled by the sliding sleeve, the sliding sleeve is controlled by the adjustable spring, the adjustable stop block 6.
The working principle is as follows:
the utility model discloses a hydraulic pressure recloser connects in plays and goes into the well with the tubular column, under the effect of high-pressure liquid, the lower thrust that the sliding sleeve area difference produced promotes sliding sleeve 4 and descends, sliding sleeve 4 promotes dog 6 and descends, dog 6 compresses spring 8 downwards simultaneously, when hydraulic pressure force reaches constant pressure value, the lower thrust of sliding sleeve 4 is greater than the spring force, sliding sleeve 4 continues down compression spring, the play liquid hole on the intercommunication connects 1 is opened, liquid passes through the play liquid hole and gets into the stratum in the oil pipe, after the pressure release, spring 8 rebounds automatically and extends under the effect of spring force, promote dog 6 and sliding sleeve 4 and rise, the play liquid hole on the intercommunication connects 1 is closed, keep apart oil pipe and stratum fluid, multiunit trapezoidal sealing washer 2 and O shape sealing washer realize the effective seal between intercommunication connects 1 and the sliding sleeve 4, hydraulic pressure recloser realizes times open, the action of closing.
A plurality of groups of dovetail groove-shaped sealing grooves are designed in the inner circle of the communicating joint 1, the trapezoidal sealing ring 2 is formed by vulcanizing high-temperature and high-pressure resistant rubber and is fixed in the dovetail groove of the communicating joint 1, the performance is stable, the sealing is reliable, the service life of the sealing ring can be prolonged, and the working efficiency is improved.
The stop 6 is arranged in the spring sleeve 7 and is positioned between the sliding sleeve 4 and the spring 8, assists the sliding sleeve 4 to compress the spring 8, can increase or decrease the number of the stop 6 to adjust the compression distance of the spring 8, and then the opening force of the sliding sleeve 4 is increased or decreased, and the operation is convenient and reliable.
The adjusting ring 9 is arranged inside the spring sleeve 7 and located between the spring 8 and the lower joint 10, a quincunx liquid flow channel is designed in the middle of the adjusting ring 9, an external thread is designed on the surface of an outer circle, the lower end of the spring sleeve 7 is in threaded connection with the adjusting ring 9, and the adjusting ring 9 is rotated to adjust the position on the internal thread at the lower end of the spring sleeve 7 through a threaded buckle and is used for compressing or releasing spring force, controlling the compression distance of the spring 8 and adjusting the opening pressure of the sliding sleeve 4.
An inward convex step is designed on the spring sleeve 7, the lower thrust generated by the sliding sleeve 4 under the action of hydraulic pressure pushes the stop block 6 to move downwards, the maximum stroke of the sliding sleeve 4 and the stop block 6, namely the compression distance of the spring 8, is limited by the inward convex step of the spring sleeve 7 to reach the maximum limit position, and the spring 8 is prevented from losing efficacy due to overhigh hydraulic pressure.
When the acidizing operation is finished, the pressure is reduced to zero, the spring 8 automatically rebounds and extends under the action of elasticity to push the stopper 6 to ascend, the sliding sleeve 4 is pushed to reset, the liquid outlet hole on the connecting joint 1 is closed, the liquid in the oil pipe is isolated from the stratum, the stratum fluid is isolated from the stratum fluid, the safety of the oil extraction well is improved, the safety of the oil extraction well is improved, the oil extraction well is protected, the oil extraction well is sealed, the well, the oil extraction well is sealed, the oil extraction well, the well is sealed, the oil extraction well is sealed well, the oil extraction well is sealed well, the oil extraction well is sealed well, the oil extraction well is sealed well, the well is sealed well, the oil extraction.
This device can be through the convenient repeated opening and closing of the realization hydraulic means of 4 area difference production's of sliding sleeve lower thrust and the automatic resilience force of spring 8, the defect that the tubular column need be repeatedly played down in the bowling has been avoided not in place, the problem that steel wire and coiled tubing operation construction cycle are long, the operating cost is high is solved, the repetitious operation demand of the transformation measure of increasing production has been satisfied, hydraulic pressure repetitive switch device's repeated opening and closing has been realized, improve the use frequency, reduce the operation and account for well cycle, reduce the operating cost.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (5)
- A hydraulic repeated switching device comprises a communication joint, a trapezoidal sealing ring, an O-shaped sealing ring, a sliding sleeve, a pressure balance sleeve, a stop block, a spring sleeve, a spring, an adjusting ring and a lower joint, and is characterized in that an external thread is arranged at the lower end of the communication joint, the communication joint is connected with the pressure balance sleeve through the internal thread and the external thread and sealed through the O-shaped sealing ring sleeved on the communication joint, a separation type design is adopted between the concave step of the communication joint and the sliding sleeve, the sealing between the communication joint and the sliding sleeve is realized through a plurality of groups of trapezoidal sealing rings and the O-shaped sealing rings, a liquid outlet hole which is at least in a key groove shape and is axially parallel to the communication joint is formed in the communication joint, the lower end of the communication joint is provided with the pressure balance sleeve, four groove-shaped pressure balance holes which are axially parallel to the pressure balance sleeve and are used for balancing the pressure difference of the oil sleeve are formed in the pressure balance sleeve, the pressure balance sleeve is connected with the spring sleeve through the internal thread and the external thread.
- 2. The hydraulic recloser switch apparatus of claim 1, wherein: a plurality of dovetail groove-shaped sealing grooves are formed in the inner circle of the communicating joint, and the trapezoidal sealing ring is formed by vulcanizing high-temperature and high-pressure resistant rubber and is fixed in the dovetail grooves of the communicating joint.
- 3. The hydraulic recloser switch apparatus of claim 1, wherein: the check block is arranged in the spring sleeve and positioned between the sliding sleeve and the spring, the compression stroke of the spring is adjusted by adjusting the number of the check blocks, and the opening pressure of the sliding sleeve is controlled.
- 4. The hydraulic recloser switch apparatus of claim 1, wherein: the adjusting ring is arranged inside the spring sleeve and located between the spring and the lower joint, a quincunx liquid flow channel is arranged in the middle of the adjusting ring, external threads are arranged on the surface of an outer circle, the lower end of the spring sleeve is connected with the adjusting ring through a thread structure, and the position of the adjusting ring on the internal threads at the lower end of the spring sleeve is adjusted through rotating the thread buckle to compress or release the compression distance of the spring.
- 5. The hydraulic recloser switch apparatus of claim 1, wherein: an inward convex limiting step is arranged in the spring sleeve and used for adjusting the maximum stroke of the spring and limiting the descending distance of the sliding sleeve and the stop block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732554.9U CN210003252U (en) | 2019-05-21 | 2019-05-21 | Hydraulic repeated switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732554.9U CN210003252U (en) | 2019-05-21 | 2019-05-21 | Hydraulic repeated switch device |
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| Publication Number | Publication Date |
|---|---|
| CN210003252U true CN210003252U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920732554.9U Active CN210003252U (en) | 2019-05-21 | 2019-05-21 | Hydraulic repeated switch device |
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| Country | Link |
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| CN (1) | CN210003252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017119A (en) * | 2019-05-21 | 2019-07-16 | 唐山冀东石油机械有限责任公司 | Hydraulic repeat switch device |
-
2019
- 2019-05-21 CN CN201920732554.9U patent/CN210003252U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017119A (en) * | 2019-05-21 | 2019-07-16 | 唐山冀东石油机械有限责任公司 | Hydraulic repeat switch device |
| CN110017119B (en) * | 2019-05-21 | 2024-01-26 | 唐山冀东石油机械有限责任公司 | Hydraulic repeating switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee after: PetroChina Company Limited Address before: 063200, 261, Xincheng Avenue, Caofeidian District, Hebei, Tangshan City Patentee before: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201020 Address after: No.10 Guoan Road, comprehensive bonded zone, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. Patentee after: PetroChina Company Limited Address before: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee before: PetroChina Company Limited |
|
| TR01 | Transfer of patent right |