CN108266157A - A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve - Google Patents
A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve Download PDFInfo
- Publication number
- CN108266157A CN108266157A CN201810102465.6A CN201810102465A CN108266157A CN 108266157 A CN108266157 A CN 108266157A CN 201810102465 A CN201810102465 A CN 201810102465A CN 108266157 A CN108266157 A CN 108266157A
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- underground
- pressure difference
- outer housing
- difference sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
Abstract
The present invention provides a kind of remote electromagnetic wave control 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), battery (5), underground control circuit board (14), weak magnetic sensor (15) are installed in the groove body on outer housing (1), and outer sleeve (4) is connect with outer housing (1) by thread seal.The present invention can be realized to open 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 for the situation of the multiple underground pressure difference sliding sleeves of same well tripping in, it can be that each underground pressure difference sliding sleeve distributes different control instructions, can realize that the mutual indepedent control in same well between multiple underground pressure difference sliding sleeves is opened.
Description
Technical field
The invention belongs to oil/gas well reservoir reconstruction field more particularly to a kind of remote electromagnetic wave control underground pressure difference sliding sleeves.
Background technology
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
Sealing ring is separately installed with, the lower part of central tube is equipped with pressure regulation cap, and by surely following closely fixation by screw thread, in pressure regulation cap with above connecing
Sealing piston and spring are cased 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 connect oil jacket, 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 device, there are during a deficiency, spring is using
There are deformation in the process, and requirement cannot be met after being used for multiple times.
And existing design places multiple sliding sleeves using underground, carries out staged fracturing acidification, applies man-hour requirement and be separately turned on.
Such as using pitching sliding sleeve, segmentation series is restricted, and latus rectum is limited in pipe, is unfavorable for later stage exploitation；If use underground
Sliding sleeve switch instrument open sliding sleeve, then there are the problem of duty cycle is long, cost is excessively high.
Invention content
It is an object of the invention to solve the problems of the above-mentioned prior art, a kind of remote electromagnetic wave control underground is provided
Pressure difference sliding sleeve can realize liquid stream between quickly closing casing/oil pipe top and the bottom, and be realized inside and outside annular space oil jacket by pressurising
The connection of liquid.
The present invention adopts the following technical scheme that：
A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve, including outer housing 1, flap seat slot 2, sliding sleeve valve 3, outer sleeve
4th, 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
13rd, underground control circuit board 14, weak magnetic sensor 15, the second sealing ring 16.
Battery 5, underground control circuit board 14, weak magnetic sensor 15 are installed in the groove body on outer housing 1, outer sleeve 4
It is connected through a screw thread with outer housing 1, the first seal groove, the second seal groove is also opened up on outer housing 1, the first sealing ring 13 is set
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, weak magnetic sensor 15, realize that battery 5, underground control circuit board 14, weak magnetic pass
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 by shear pin 7 on outer housing 1, sliding sleeve
Third groove body, the 4th groove body are offered on valve 3, 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, be also equipped with lower contact 6 on outer housing 1, lower contact 6 is installed on 4 downside of outer sleeve.
The weak magnetic sensor 15 acquires the electromagnetic wave signal that ground launch antenna is sent, weak magnetic sensor 15 and underground
14 signal of control circuit board is connected, and underground control circuit board 14 is connected with locking 12 signal of executing agency, locks executing agency 12 and valve
Door limiting lock 10 is connected.
Beneficial effects of the present invention：
The present invention can be opened in ground remote control underground pressure difference sliding sleeve, relative to existing underground sliding sleeve need pitching or
Tripping in sliding sleeve switch instrument opening ways, it is easy to operate；And for the situation of the multiple underground pressure difference sliding sleeves of same well tripping in, energy
Different control instructions is enough distributed for each underground pressure difference sliding sleeve, can be realized in same well between multiple underground pressure difference sliding sleeves
Mutual indepedent control open.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is closed state structure diagram of the present invention；
Fig. 3 is opening structure diagram of the present invention；
Fig. 4 is electromagnetic communication schematic diagram of the present invention.
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-, 14- undergrounds control electricity
Road plate, 15- weak magnetic sensors, the second sealing rings of 16-, 17- signal generators, 18- signal amplifiers, 19- electrodes, 20- well heads,
21- oil pipes/casing, 22- sliding sleeves I, 23- sliding sleeves II, 24- sliding sleeves n.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the technical solution below in the present invention carries out clear
Chu is fully described by, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of remote electromagnetic wave control underground pressure difference sliding sleeve of the present invention, including outer housing 1, flap seat slot
2nd, 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 are held
Row mechanism 12, the first sealing ring 13, underground control circuit board 14, weak magnetic sensor 15, the second sealing ring 16.
Battery 5, underground control circuit board 14, weak magnetic sensor 15 are installed in the groove body on outer housing 1, outer sleeve 4
It is connect with outer housing 1 by thread seal, is further opened with the first seal groove on the upside of 1 groove body of outer housing, downside offers second
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, outer sleeve 4,
First sealing ring 13, the second sealing ring 16 close groove body, realize battery 5, underground control circuit board 14, weak magnetic sensor 15
With the fluid isolation in pit shaft.
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, sealing ring is mounted 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, be also equipped with lower contact 6 on outer housing 1, lower contact 6 is located at 4 downside of outer sleeve.
The signal generator 17, signal amplifier 18, electrode 19, well head 20 form ground dipole emission antenna,
Signal generator 17 is connected with signal amplifier 18 by signal wire, and signal amplifier 18 passes through signal with electrode 19, well head 20
Line is connected, and sends electromagnetic signal using electrode 19.
The weak magnetic sensor 15 acquires the electromagnetic wave signal that ground launch antenna is sent, weak magnetic sensor 15 and underground
14 signal of control circuit board is connected, and the control signal received is sent to underground control circuit board 14, well by weak magnetic sensor 15
Lower control circuit board 14 is connected with locking 12 signal of executing agency, and underground control circuit board 14 sends control signals to lock execution machine
Structure 12, lock executing agency 12 are connected with valve limiting lock 10, the unlatching of 12 control valve limiting lock 10 of lock executing agency, battery 5
It powers to underground control circuit board 14.
Further technical solution is to further include casing/oil pipe 21, several self-sealing underground pressure difference sliding sleeves are mounted on set
On pipe/oil pipe 21, underground pressure difference sliding sleeve is sent into underground with casing/oil pipe 21.
Further optimal technical scheme is that the 5th seal groove, the 5th seal groove are further opened on the sliding sleeve valve 3
Sealing ring is inside installed, the 5th seal groove is located at the downside of flap seat slot 2.
The effect of 5th seal groove is, when flap 9 is after in flap seat slot 2, realizes packing flap 9 jointly with flap 9
The fluid of upper and lower end.
Further optimal technical scheme is that underground pressure difference sliding sleeve is installed on the different height of casing/oil pipe 21 in well,
And 14 open command of underground control circuit board of each underground pressure difference sliding sleeve is set as different, realizes underground pressure difference sliding sleeve difference
It is independent to open, as be equipped on casing/oil pipe 21 sliding sleeve I 22, sliding sleeve II 23 ..., sliding sleeve n24, when unlatching needed using not
With control signal.
Further optimal technical scheme is that underground pressure difference sliding sleeve is installed on the different height of casing/oil pipe 21 in well,
And 14 open command of underground control circuit board of 2 and above underground pressure difference sliding sleeve is set as identical, realizes 2 and above underground
Pressure difference sliding sleeve is opened simultaneously, as be equipped on casing/oil pipe 21 sliding sleeve I 22, sliding sleeve II 23 ..., sliding sleeve n24, wherein sliding sleeve I
22nd, sliding sleeve II 23 sets identical open signal, and when unlatching then uses identical control command.
The present invention the course of work be：
The mode to communicate between ground and underground pressure difference sliding sleeve uses downhole electromagnetic communication method, and pressure difference sliding sleeve is with casing
Or after 21 tubing string of oil pipe is sent into underground together, when the later stage needs starting differential pressure sliding sleeve：
As shown in figure 4, signal generator 17, signal amplifier 18, electrode 19, well head 20 form ground dipole emission day
Line, the weak magnetic sensor 15 at the pressure difference sliding sleeve of underground measure the electromagnetic wave signal for include control command that ground is sent, and survey
Amount signal is transmitted to underground control circuit board 14, and underground control circuit board 14 handles and identify the control life that this signal is included
It enables, and is matched with the control instruction of itself.
As shown in Figure 2,3, if the control instruction of the signal received and 14 preset configuration of underground control circuit board not
Match, then acted without next step；It is if consistent, then it is assumed that receive the control command of ground transmission, 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, and flap 9 exists
It is voluntarily closed in the flap seat slot 2 on sliding sleeve valve 3 under the collective effect of 11 bounce of its own gravity and hinge, flap 9 loses
After going the constraint of valve limiting lock 10, seat is in flap seat slot 2.
And built the pressure using booster pump in well head, 9 upper flow pressure of flap is more than 9 lower flow pressure of flap, and cutting is cut
Sliding sleeve valve 3 moves down after nail 7, and the through-hole 8 on outer housing 1 is connected, and underground pressure difference sliding sleeve is opened.
Certainly, due to being equipped with multiple underground pressure difference sliding sleeves on casing/oil pipe 21, and the well of each underground pressure difference sliding sleeve
The control signal of lower control circuit board 14 is set as different, then unlatching underground pressure difference sliding sleeve successively can be achieved, realize oil well
It exploits stage by stage.
If installing multiple underground pressure difference sliding sleeves on casing/oil pipe 21, the underground control of 2 and above underground pressure difference sliding sleeve
The control signal of circuit board 14 is set as identical, then can realize and be opened while multiple underground pressure difference sliding sleeves, realize the mesh of shut-in well
's.
2 embodiment 2 of embodiment is makes following optimization in 1 mode of embodiment：
As shown in Figure 1, a kind of remote electromagnetic wave control underground pressure difference sliding sleeve of the present invention, including outer housing 1, flap seat slot
2nd, 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 are held
Row mechanism 12, the first sealing ring 13, underground control circuit board 14, weak magnetic sensor 15, the second sealing ring 16.
Battery 5, underground control circuit board 14, weak magnetic sensor 15 are installed in the groove body on outer housing 1, outer sleeve 4
It is connect with outer housing 1 by thread seal, is further opened with the first seal groove on the upside of 1 groove body of outer housing, downside offers second
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, outer sleeve 4,
First sealing ring 13, the second sealing ring 16 close groove body, realize battery 5, underground control circuit board 14, weak magnetic sensor 15
With the fluid isolation in pit shaft.
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, sealing ring is mounted 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, be also equipped with lower contact 6 on outer housing 1, lower contact 6 is located at 4 downside of outer sleeve.
The signal generator 17, signal amplifier 18, electrode 19, well head 20 form ground dipole emission antenna,
Signal generator 17 is connected with signal amplifier 18 by signal wire, and signal amplifier 18 passes through signal with electrode 19, well head 20
Line is connected, and sends electromagnetic signal using electrode 19.
The weak magnetic sensor 15 acquires the electromagnetic wave signal that ground launch antenna is sent, weak magnetic sensor 15 and underground
14 signal of control circuit board is connected, and the control signal received is sent to underground control circuit board 14, well by weak magnetic sensor 15
Lower control circuit board 14 is connected with locking 12 signal of executing agency, and underground control circuit board 14 sends control signals to lock execution machine
Structure 12, lock executing agency 12 are connected with valve limiting lock 10, the unlatching of 12 control valve limiting lock 10 of lock executing agency, battery 5
It powers to underground control circuit board 14.
Further optimal technical scheme is that flap seat slot 2 uses magnetic material, and flap 9 uses ferromagnetic material, works as valve
After limiting lock 10 is opened, flap 9 is voluntarily closed under 11 counteractive collective effect of its own gravity and hinge on sliding sleeve valve 3
Flap seat slot 2 on, in this process, flap seat slot 2 itself can by magnetic absorption flap 9, be flap 9 can seat in
One is provided in flap seat slot 2 beneficial to help.
Meanwhile in flap 9 after in flap seat slot 2, due to magnetic adsorptive power between flap 9 and flap seat slot 2
In the presence of, it is ensured that flap 9 is more difficult after flap seat slot 2 to be opened by the effect of opposite force.
Further technical solution is to further include casing/oil pipe 21, several self-sealing underground pressure difference sliding sleeves are mounted on set
On pipe/oil pipe 21, underground pressure difference sliding sleeve is sent into underground with casing/oil pipe 21.
Further optimal technical scheme is that the 5th seal groove, the 5th seal groove are further opened on the sliding sleeve valve 3
Sealing ring is inside installed, the 5th seal groove is located at the downside of flap seat slot 2.
The effect of 5th seal groove is, when flap 9 is after in flap seat slot 2, realizes packing flap 9 jointly with flap 9
The fluid of upper and lower end.
Further optimal technical scheme is that underground pressure difference sliding sleeve is installed on the different height of casing/oil pipe 21 in well,
And 14 open command of underground control circuit board of each underground pressure difference sliding sleeve is set as different, realizes underground pressure difference sliding sleeve difference
It is independent to open, as be equipped on casing/oil pipe sliding sleeve I 21, sliding sleeve II 22 ..., sliding sleeve n23, when unlatching needed using different
Control signal.
Further optimal technical scheme is that underground pressure difference sliding sleeve is installed on the different height of casing/oil pipe 21 in well,
And 14 open command of underground control circuit board of 2 and above underground pressure difference sliding sleeve is set as identical, realizes 2 and above underground
Pressure difference sliding sleeve is opened simultaneously, as be equipped on casing/oil pipe 21 sliding sleeve I 22, sliding sleeve II 23 ..., sliding sleeve n24, wherein sliding sleeve I
22nd, sliding sleeve II 23 sets identical open signal, and when unlatching uses identical control command.
Embodiment 2 is identical with the working method of embodiment 1.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention 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 may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (5)
1. a kind of remote electromagnetic wave controls 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), weak magnetic sensor (15), the second sealing ring (16),
It is characterized in that, battery (5), underground control circuit board (14), weak magnetic sensor (15) are installed in the groove body on outer housing (1)
Interior, outer sleeve (4) is connect with outer housing (1) by thread seal, and the first sealing is further opened on the upside of outer housing (1) groove body
Slot, downside offer the second seal groove, and the first sealing ring (13) is installed in the first seal groove, and the second sealing ring (16) is installed on
In second seal groove, outer sleeve (4), the first sealing ring (13), the second sealing ring (16) close groove body, realize by battery (5),
Underground control circuit board (14), weak magnetic sensor (15) and the fluid isolation in pit shaft；
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), is mounted on sealing ring in third groove body, the 4th groove body, outside
Through-hole (8) is further opened on housing (1), between third groove body and the 4th groove body, sliding sleeve valve is also set through-hole (8) on (3)
Flap (9) and flap seat slot (2) corresponding with flap (9) are equipped with, 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 on the downside of outer sleeve (4)；
Signal generator (17), signal amplifier (18), electrode (19), well head (20) form ground dipole emission day together
Line, signal generator (17) are connected with signal amplifier (18) by signal wire, signal amplifier (18) and electrode (19), well head
(20) it is connected by signal wire, and electromagnetic signal is sent using electrode (19)；
The electromagnetic wave signal that weak magnetic sensor (15) the acquisition ground launch antenna is sent, weak magnetic sensor (15) and underground
Control circuit board (14) signal is connected, and underground control circuit board (14) is connected with lock executing agency (12) signal, locks executing agency
(12) it is connected with valve limiting lock (10), battery (5) is powered to underground control circuit board (14).
A kind of 2. remote electromagnetic wave control underground pressure difference sliding sleeve according to claim 1, which is characterized in that the sliding sleeve
The 5th seal groove is further opened 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 electromagnetic wave control underground pressure difference sliding sleeve according to claim 2, which is characterized in that further include set
Pipe/oil pipe (21), several underground pressure difference sliding sleeves are mounted on casing/oil pipe (21), and underground pressure difference sliding sleeve is with casing/oil pipe
(21) it is sent into underground together.
A kind of 4. remote electromagnetic wave control underground pressure difference sliding sleeve according to claim 3, which is characterized in that multiple underground pressures
Poor sliding sleeve is installed on the different height of casing/oil pipe (21) in well, the underground control circuit board of each underground pressure difference sliding sleeve
(14) open command is set as different, realizes that underground pressure difference sliding sleeve is independently opened.
A kind of 5. remote electromagnetic wave control underground pressure difference sliding sleeve according to claim 3, which is characterized in that multiple underground pressures
Poor sliding sleeve is installed on the different height of casing/oil pipe (21) in well, the underground control circuit of 2 and above underground pressure difference sliding sleeve
Plate (14) open command is set as identical, and realization 2 and above underground pressure difference sliding sleeve are opened simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102465.6A CN108266157A (en) | 2018-02-01 | 2018-02-01 | A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102465.6A CN108266157A (en) | 2018-02-01 | 2018-02-01 | A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108266157A true CN108266157A (en) | 2018-07-10 |
Family
ID=62777292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102465.6A Pending CN108266157A (en) | 2018-02-01 | 2018-02-01 | A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266157A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374551A (en) * | 2018-12-28 | 2019-10-25 | 成都众智诚成石油科技有限公司 | A kind of underground hydraulic-control starting sliding sleeve control system and control method |
| CN111472716A (en) * | 2020-04-22 | 2020-07-31 | 中国石油天然气集团有限公司 | Method for improving temporary plugging effect of wide natural cracks or artificial cracks |
| CN115478810A (en) * | 2022-09-21 | 2022-12-16 | 中国石油天然气集团有限公司 | Magnetic medium induction type sliding sleeve and downhole tool control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991654A (en) * | 1989-11-08 | 1991-02-12 | Halliburton Company | Casing valve |
| CN104088602A (en) * | 2014-06-18 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司 | Ground control method for underground sliding sleeves |
| CN104088604A (en) * | 2014-06-18 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司 | Ground control underground sliding sleeve used for staged fracture acidizing transformation of horizontal well |
| CN104088603A (en) * | 2014-06-18 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司 | Method for controlling underground sliding sleeves by ground pressure waves |
| CN107060720A (en) * | 2017-01-17 | 2017-08-18 | 成都众智诚成石油科技有限公司 | Trigger sliding sleeve in a kind of underground |
-
2018
- 2018-02-01 CN CN201810102465.6A patent/CN108266157A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991654A (en) * | 1989-11-08 | 1991-02-12 | Halliburton Company | Casing valve |
| CN104088602A (en) * | 2014-06-18 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司 | Ground control method for underground sliding sleeves |
| CN104088604A (en) * | 2014-06-18 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司 | Ground control underground sliding sleeve used for staged fracture acidizing transformation of horizontal well |
| CN104088603A (en) * | 2014-06-18 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司 | Method for controlling underground sliding sleeves by ground pressure waves |
| CN107060720A (en) * | 2017-01-17 | 2017-08-18 | 成都众智诚成石油科技有限公司 | Trigger sliding sleeve in a kind of underground |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374551A (en) * | 2018-12-28 | 2019-10-25 | 成都众智诚成石油科技有限公司 | A kind of underground hydraulic-control starting sliding sleeve control system and control method |
| CN111472716A (en) * | 2020-04-22 | 2020-07-31 | 中国石油天然气集团有限公司 | Method for improving temporary plugging effect of wide natural cracks or artificial cracks |
| CN111472716B (en) * | 2020-04-22 | 2022-05-17 | 中国石油天然气集团有限公司 | Method for improving temporary plugging effect of wide natural cracks or artificial cracks |
| CN115478810A (en) * | 2022-09-21 | 2022-12-16 | 中国石油天然气集团有限公司 | Magnetic medium induction type sliding sleeve and downhole tool control method |
| CN115478810B (en) * | 2022-09-21 | 2024-03-19 | 中国石油天然气集团有限公司 | Magnetic medium-based induction type sliding sleeve and downhole tool control method |
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Application publication date: 20180710 |