CN208073429U - A kind of remote control self-sealing underground pressure difference sliding sleeve - Google Patents
A kind of remote control self-sealing underground pressure difference sliding sleeve Download PDFInfo
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- CN208073429U CN208073429U CN201820178896.6U CN201820178896U CN208073429U CN 208073429 U CN208073429 U CN 208073429U CN 201820178896 U CN201820178896 U CN 201820178896U CN 208073429 U CN208073429 U CN 208073429U
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- sliding sleeve
- underground
- pressure difference
- outer housing
- valve
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- 238000007789 sealing Methods 0.000 title claims abstract description 46
- 239000012530 fluid Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of remote control self-sealing underground pressure difference sliding sleeve, belong to oil/gas well reservoir reconstruction field, including outer housing (1), flap seat slot (2), sliding sleeve valve (3), outer sleeve (4), battery (5), lower contact (6), shear pin (7), through-hole (8), flap (9), valve limiting lock (10), hinge (11), lock executing agency (12), the first sealing ring (13), underground control circuit board (14), downhole sensor (15), the second sealing ring (16).The utility model can be opened in ground remote control underground pressure difference sliding sleeve, easy to operate compared with existing underground sliding sleeve needs pitching or tripping in sliding sleeve switch instrument opening ways；And the case where for same well tripping in multiple underground pressure difference sliding sleeves, it can be that each underground pressure difference sliding sleeve distribute different control instructions, the mutual indepedent control unlatching between multiple underground pressure difference sliding sleeves in same well may be implemented.
Description
Technical field
The utility model belongs to oil/gas well reservoir reconstruction field more particularly to a kind of remote control self-sealing underground pressure difference is slided
Set.
Background technology
Currently, oil field layered treatment process, testing set, testing leakage etc. and be connected to down-hole switch work commonly using various oil jackets in tubing strings
Tool.Patent publication No 200520106918.0 (double sand blower of sliding sleeve), due to being needed afterwards in place under its Structural Design Requirement tool
Pitching can just be suppressed, and channel is made to open, and when having dirty, sand production for pit shaft, there are pitching is not in place or pitching
The problems such as waiting for a long time afterwards；Occur pitching it is not in place when, the packer of string matching cannot be set, only originally former tubing string weight
It could be worked normally under new, influence the normal work in oil field.
The patent No. 200920088637.5 (underground switch slide bushing), by top connection, central tube, sealing piston, pressure drop piston,
Spring, pressure regulation cap form, and are a step on the inner tubal wall in the middle part of central tube, and the internal diameter of the step is less than the interior of central tube upper end
Diameter, pressure drop piston outside are variable-diameter structure, are mounted on by shear pin on the inner wall on central tube top, pressure drop piston upper/lower terminal
Be separately installed with sealing ring, the lower part of central tube is equipped with pressure regulation cap by screw thread, and by surely following closely fixation, pressure regulation cap with above connect
It is cased with sealing piston and spring in center pipe outer wall between head；It is provided on the position corresponding with sealing piston of center and center
Manage the fluid hole being connected with the annular space that pressure drop piston is formed.
Above-mentioned underground switch slide bushing is squeezed in oil field layered pressure break, seperated layer water injection, layering to be blocked up, tests set, tests the measures such as leakage construction
In, tubing string in place after, suppressed by tubing string, you can so that oil jacket is connected to, after the completion of measure, stop suppressing, you can partition oil jacket ring
Sky prevents stratum liquid from entering in tubing string, realizes stratum pressurize.But above-mentioned apparatus, there are when a deficiency, spring is using
There is deformation in the process, requirement cannot be met after being used for multiple times.
Invention content
Utility model aims to solve the problems of the above-mentioned prior art, provide a kind of remote control self-sealing
Underground pressure difference sliding sleeve can realize and quickly close in casing/oil pipe fluid course between top and the bottom, and be built the pressure reality by well head
The connection of existing pit shaft and outer fluid in stratum.
The utility model adopts the following technical solution：
A kind of remote control self-sealing underground pressure difference sliding sleeve, including outer housing 1, flap seat slot 2, sliding sleeve valve 3, outer sleeve
4, battery 5, lower contact 6, shear pin 7, through-hole 8, flap 9, valve limiting lock 10, hinge 11, lock executing agency 12, the first sealing ring
13, underground control circuit board 14, downhole sensor 15, the second sealing ring 16.
Battery 5, underground control circuit board 14, downhole sensor 15 be mounted on outer housing 1 on groove body in, outer sleeve 4 with
Outer housing 1 is connected through a screw thread, and the first seal groove, the second seal groove, the setting of the first sealing ring 13 are further opened on outer housing 1
In in the first seal groove, the second sealing ring 16 is set in the second seal groove, outer sleeve 4, the first sealing ring 13, the second sealing ring
16 close battery 5, underground control circuit board 14, downhole sensor 15, realize that battery 5, underground control circuit board 14, underground pass
Sensor 15 is isolated with downhole well fluid, and lower contact 6 is installed on outer housing 1, and positioned at the downside of outer sleeve 4.
Sliding sleeve valve 3 is provided on the inner wall of outer housing 1, sliding sleeve valve 3 is fixed on by shear pin 7 on outer housing 1, sliding sleeve
Third groove body, the 4th groove body are offered on valve 3, and sealing ring is both provided in third groove body, the 4th groove body, is gone back on outer housing 1
Offer through-hole 8, through-hole 8 between third groove body and the 4th groove body, be additionally provided on sliding sleeve valve 3 flap 9 and with flap 9
Corresponding flap seat slot 2, flap 9 are fixed on by valve limiting lock 10 on outer housing 1, valve limiting lock 10 and outer housing 1 it
Between be additionally provided with hinge 11, battery is that underground control circuit 14,15 plate of downhole sensor are powered.
The downhole sensor 15 acquires the signal that ground sending device is sent, and signal is passed to downhole sensor
15, downhole sensor 15 is connected with 14 signal of underground control circuit board, underground control circuit board 14 and 12 signal of lock executing agency
It is connected, lock executing agency 12 is connected with valve limiting lock 10.
Further, it is additionally provided with the 5th seal groove on the sliding sleeve valve 3, sealing is installed in the 5th seal groove
Circle, the 5th seal groove are located at 2 downside of flap seat slot.
Further, further include casing/oil pipe, several self-sealing underground pressure difference sliding sleeves are mounted on casing/oil pipe, together
It is sent into underground.
The beneficial effects of the utility model：
It can be opened in ground remote control underground pressure difference sliding sleeve, need pitching or tripping in sliding sleeve to open with existing underground sliding sleeve
Pass tool unlatching is compared, easy to operate；And the case where for same well tripping in multiple underground pressure difference sliding sleeves, can be each well
Lower pressure difference sliding sleeve distributes different control instructions, may be implemented mutual indepedent between multiple underground pressure difference sliding sleeves in same well
Control is opened.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model closed state structural schematic diagram；
Fig. 3 is the utility model open state structural schematic diagram.
In figure：1- outer housings, 2- flaps seat slot, 3- sliding sleeves valve, 4- outer sleeves, 5- batteries, 6- lower contacts, 7- shear pins,
8- through-holes, 9- flaps, 10- valves limiting lock, 11- hinges, 12- locks executing agency, the first sealing rings of 13-, the undergrounds 14- control electricity
Road plate, 15- downhole sensors, the second sealing rings of 16-.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, below technical side in the utility model
Case is clearly and completely described, it is clear that and described embodiment is the utility model a part of the embodiment, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
As shown in Figs. 1-3：A kind of remote control self-sealing underground pressure difference sliding sleeve of the utility model, including outer housing 1, valve
Valve seat slot 2, sliding sleeve valve 3, outer sleeve 4, battery 5, lower contact 6, shear pin 7, through-hole 8, flap 9, valve limiting lock 10, hinge
11, executing agency 12, the first sealing ring 13, underground control circuit board 14, downhole sensor 15, the second sealing ring 16 are locked.
Battery 5, underground control circuit board 14, downhole sensor 15 be mounted on outer housing 1 on groove body in, outer sleeve 4 with
Outer housing 1 is connected by thread seal, and the first seal groove, the second seal groove, the first sealing ring 13 peace are also set up on outer housing 1
Loaded in the first seal groove, the second sealing ring 16 is installed in the second seal groove, outer sleeve 4, the sealing of the first sealing ring 13, second
Circle 16 closes groove body, realizes battery 5, underground control circuit board 14, downhole sensor 15 and the fluid isolation in pit shaft, under
Connector 6 is installed on outer housing 1, and positioned at the downside of outer sleeve 4.
Sliding sleeve valve 3 is provided on the inner wall of outer housing 1, sliding sleeve valve 3 is fixed on by shear pin 7 on outer housing 1, sliding sleeve
Third groove body, the 4th groove body are offered on valve 3, and sealing ring is both provided in third groove body, the 4th groove body, is gone back on outer housing 1
Be provided with through-hole 8, through-hole 8 between third groove body and the 4th groove body, be additionally provided on sliding sleeve valve 3 flap 9 and with flap 9
Corresponding flap seat slot 2, flap 9 are fixed on by valve limiting lock 10 on outer housing 1, valve limiting lock 10 and outer housing 1 it
Between be additionally provided with hinge 11, lower contact 6 is installed on the downside on outer housing 1 and positioned at outer sleeve 4.
It when needing to open underground pressure difference sliding sleeve, builds the pressure in well head, 9 upper flow pressure of flap is flowed more than 9 lower part of flap
Body pressure, sliding sleeve valve 3 moves down after cutting shear pin 7, and underground pressure difference sliding sleeve is opened.
The downhole sensor 15 acquires the signal that ground sending device is sent, and signal is passed to downhole sensor
15, downhole sensor 15 is connected with 14 signal of underground control circuit board, underground control circuit board 14 and 12 signal of lock executing agency
It is connected, lock executing agency 12 is connected with valve limiting lock 10, and battery is that underground control circuit board 14 and downhole sensor 15 are powered.
Further, further include casing/oil pipe, several self-sealing underground pressure difference sliding sleeves are mounted on casing/oil pipe, together
It is sent into underground.
Further, the mode that the ground sending device is communicated with downhole sensor 15 includes downhole electromagnetic wave communication
Method, down-hole pressure communication method, underground time opening method, underground RFID control communication means.
Further, it is additionally provided with the 5th seal groove on the sliding sleeve valve 3, sealing is installed in the 5th seal groove
Circle, the 5th seal groove are located at 2 downside of flap seat slot.
The effect of 5th seal groove is when flap seat is after in flap seat slot, realizes packing flap jointly with flap
The fluid of upper and lower end.
1. downhole electromagnetic communication method：
Downhole sensor 15 is chosen to be weak magnetic sensor, then transmitting antenna is set on ground, transmitting antenna has signal hair
Raw device, signal amplifier, electrode, well head are constituted, and signal generator is connected with signal amplifier by signal wire, signal amplifier
It is connected by signal wire with electrode, electrode sends electromagnetic signal.After downhole sensor receives correct signal, underground control is passed to
Circuit board 14 processed, underground control circuit board 14 is by locking the action of executing agency 12 control valve limiting lock 10, in gravity
It is seated in flap seat slot with hinge reaction force lower Disc.
2. down-hole pressure communication method：
Downhole sensor 15 is chosen to be down-hole pressure transmitter, high voltage power equipment is set on ground, high voltage power is set
Standby to send pressure signal on the ground, pressure signal is transferred to underground control by pressure transmitter in the form of standard analog signal
Circuit board 14, the signal that underground control circuit board 14 sends down-hole pressure transmitter are handled, and be converted into one group two into
Code processed is identified, if after pressure transmitter receives correct pressure signal, passing to underground control circuit board 14, underground
Control circuit board 14 is by locking the action of executing agency 12 control valve limiting lock 10, under gravity and hinge reaction force
Flap is seated in flap seat slot.
3. underground time opening method
Downhole sensor 15 is cancelled, is set directly to underground control circuit board 14, when underground control circuit the opening time
After timing in plate 14 reaches setting time, underground control circuit board 14 can send enabled instruction from trend lock executing agency 12,
Lock executing agency 12 receives Open valve limiting lock 10 after instruction, and flap 9 is common 11 reaction force of its own gravity and hinge
It is voluntarily closed under effect in the flap seat slot 2 on sliding sleeve valve 3.
4. underground RFID communication method：
Downhole sensor 15 is chosen to be RFID antenna, on ground by operating personnel by putting into RFID communication ball or making
It is sent into well with the RFID communication pipe nipple of oil pipe/coiled tubing connection, in RFID communication pipe nipple by or close to self-sealing well
When RFID reception antenna at lower pressure difference sliding sleeve, underground control circuit board 14, which is read, simultaneously identifies this control command, if receiving
Correct control command, underground control circuit board 14 can send enabled instruction to lock executing agency 12, and lock executing agency 12 receives
Open valve limiting lock 10 after instruction, flap 9 are voluntarily closed to slide under the collective effect of 11 bounce of its own gravity and hinge
It covers in the flap seat slot 2 on valve 3.
The course of work of the utility model：
On the ground, pressure difference sliding sleeve is connected on casing/oil pipe, and flap 9 is made to keep it turned on, by oil pipe/
Pressure difference sliding sleeve is sent into underground by the tubing string of casing, and the later stage needs ground sending device when starting differential pressure sliding sleeve to send signal, underground
Sensor 15 acquires signal, and collected signal passes to underground control circuit board 14, and circuit board judges the correctness of signal,
If correct, by locking 12 control valve limiting lock 10 of executing agency, or cancellation downhole sensor 15, directly by control circuit
Plate 14 sets the opening time, after opening time point arrives, so that flap 9 is closed and is located in flap seat slot 2, when needing to open
When, injection pressure power is pumped into well, is built the pressure in well head, and 9 upper flow pressure of flap is more than 9 lower flow pressure of flap, cuts shear pin 7
Sliding sleeve valve 3 moves down afterwards, and underground pressure difference sliding sleeve is opened.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (3)
1. a kind of remote control self-sealing underground pressure difference sliding sleeve, including it is outer housing (1), flap seat slot (2), sliding sleeve valve (3), outer
Sleeve (4), battery (5), lower contact (6), shear pin (7), through-hole (8), flap (9), valve limiting lock (10), hinge (11), lock
Executing agency (12), the first sealing ring (13), underground control circuit board (14), downhole sensor (15), the second sealing ring (16),
It is characterized in that, battery (5), underground control circuit board (14), downhole sensor (15) are mounted on the groove body on outer housing (1)
Interior, outer sleeve (4) is connect with outer housing (1) by thread seal, and the first seal groove, second are further opened on outer housing (1)
Seal groove, the first sealing ring (13) are installed in the first seal groove, and the second sealing ring (16) is installed in the second seal groove, housing
Cylinder (4), the first sealing ring (13), the second sealing ring (16) close groove body, realize battery (5), underground control circuit board
(14), downhole sensor (15) is isolated with downhole well fluid；
Sliding sleeve valve (3) is provided on the inner wall of outer housing (1), sliding sleeve valve (3) is fixed on outer housing (1) by shear pin (7)
On, third groove body, the 4th groove body are offered on sliding sleeve valve (3), are both provided with sealing ring in third groove body, the 4th groove body, outside
Through-hole (8) is further opened on shell (1), between third groove body and the 4th groove body, sliding sleeve valve is also set through-hole (8) on (3)
It is equipped with flap (9) and flap seat slot (2) corresponding with flap (9), flap (9) is fixed on outer housing by valve limiting lock (10)
(1) on, hinge (11) is additionally provided between valve limiting lock (10) and outer housing (1), outer housing is also equipped with lower contact on (1)
(6), lower contact (6) is located on the downside of outer sleeve (4)；
The signal that downhole sensor (15) the acquisition ground sending device is sent, and signal is passed into downhole sensor
(15), downhole sensor (15) is connected with underground control circuit board (14) signal, underground control circuit board (14) and lock execution machine
Structure (12) signal is connected, and lock executing agency (12) is connected with valve limiting lock (10), and battery (5) is underground control circuit board (14)
It powers with downhole sensor (15).
2. a kind of remote control self-sealing underground according to claim 1 pressure difference sliding sleeve, which is characterized in that the sliding sleeve
It is additionally provided with the 5th seal groove on valve (3), sealing ring is installed in the 5th seal groove, the 5th seal groove is located at flap seat slot
(2) downside.
3. a kind of remote control self-sealing underground according to claim 2 pressure difference sliding sleeve, which is characterized in that further include set
Pipe/oil pipe, several self-sealing underground pressure difference sliding sleeves are mounted on casing/oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178896.6U CN208073429U (en) | 2018-02-01 | 2018-02-01 | A kind of remote control self-sealing underground pressure difference sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178896.6U CN208073429U (en) | 2018-02-01 | 2018-02-01 | A kind of remote control self-sealing underground pressure difference sliding sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN208073429U true CN208073429U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820178896.6U Expired - Fee Related CN208073429U (en) | 2018-02-01 | 2018-02-01 | A kind of remote control self-sealing underground pressure difference sliding sleeve |
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| CN (1) | CN208073429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529073A (en) * | 2019-09-17 | 2019-12-03 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of solvable full-bore sliding sleeve based on intelligent control |
-
2018
- 2018-02-01 CN CN201820178896.6U patent/CN208073429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529073A (en) * | 2019-09-17 | 2019-12-03 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of solvable full-bore sliding sleeve based on intelligent control |
| CN110529073B (en) * | 2019-09-17 | 2020-03-27 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Soluble full-bore sliding sleeve based on intelligent control |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |