CN116291270A - Electromagnetic valve control hydraulic anchor - Google Patents
Electromagnetic valve control hydraulic anchor Download PDFInfo
- Publication number
- CN116291270A CN116291270A CN202310386161.8A CN202310386161A CN116291270A CN 116291270 A CN116291270 A CN 116291270A CN 202310386161 A CN202310386161 A CN 202310386161A CN 116291270 A CN116291270 A CN 116291270A
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- China
- Prior art keywords
- anchor
- piston
- threaded connection
- joint
- sleeve
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- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000004873 anchoring Methods 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
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
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/0411—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for anchoring tools or the like to the borehole wall or to well tube
Abstract
The invention belongs to the technical field of oilfield production equipment, and particularly relates to a solenoid valve control hydraulic anchor, which comprises a solenoid valve device and a hydraulic anchor device; the electromagnetic valve device comprises a first upper joint, an upper outer cylinder, a water inlet middle joint, a water inlet filter screen, an electromagnetic valve, a lower outer cylinder, a valve seat, a lower joint and a sliding sleeve; the hydraulic anchor device comprises a second upper joint, a hand throwing rod, an unsealing outer cylinder, an unsealing sliding sleeve, a first steel ball, a pull sleeve, a valve sleeve, a second steel ball, a valve core, a transition joint, an outer cylinder, a cone, anchor teeth, an anchor tooth frame, a piston, a seat anchor cylinder sleeve, a positioning piston, a positioning steel ball and a tailstock. The device comprises a third upper joint, an upper piston, an upper cylinder sleeve, a middle piston, a middle cylinder sleeve, a lower piston, a lower cylinder sleeve, a bailer and a push rod, wherein the liquid inlet is controlled by electromagnetic waves, and the anchor setting is realized by utilizing the hydraulic difference effect of a cased well; the anchoring position is accurate, the anchoring is firm, the anchoring and de-anchoring effects and quality are improved, and the safety and reliability are realized.
Description
Technical Field
The invention belongs to the technical field of oilfield production equipment, and particularly relates to a solenoid valve control hydraulic anchor.
Background
The existing anchoring device sits and anchors by lifting and descending a cable, the anchoring position is inaccurate, the anchoring is unstable, and the anchoring effect is not ideal. And the cable-lifting type anchor is unreliable. As another example, patent document with application number CN201820712979.9 discloses a downhole hydraulic anchoring device, where the anchoring and recovery of the slip anchoring assembly of the anchoring device is reliable, but the anchoring position is inaccurate, the anchoring effect is poor, and precise anchoring and de-anchoring cannot be realized.
Disclosure of Invention
In order to solve the technical problems, the invention provides a solenoid valve control hydraulic anchor. The hydraulic pressure difference effect of the cased well is utilized to realize anchor setting through electromagnetic control of liquid feeding; the anchoring position is accurate, the anchoring is firm, the anchoring and de-anchoring effects and quality are improved, and the safety and reliability are realized.
The invention adopts the technical scheme that: a solenoid valve controlled hydraulic anchor comprising a solenoid valve device and a hydraulic anchor device; the electromagnetic valve device comprises a first upper joint, an upper outer cylinder, a water inlet middle joint, a water inlet filter screen, an electromagnetic valve, a lower outer cylinder, a valve seat, a lower joint and a sliding sleeve; the first upper joint is in threaded connection with the upper end of the upper outer cylinder, the lower end of the upper outer cylinder is in threaded connection with the upper end of the water inlet middle joint, the water inlet middle joint is in threaded connection with the upper end of the lower outer cylinder, the lower end of the lower outer cylinder is in threaded connection with the upper end of the valve seat, the lower end of the valve seat is in threaded connection with the lower upper end of the lower joint, the sliding sleeve is sleeved on the lower joint, and the water inlet filter screen is sleeved on the water inlet middle joint; the hydraulic anchor device comprises a second upper joint, a hand throwing rod, an unsealing outer cylinder, an unsealing sliding sleeve, a first steel ball, a pull sleeve, a valve sleeve, a second steel ball, a valve core, a transition joint, an outer cylinder, a cone, anchor teeth, an anchor tooth frame, a piston, a seat anchor cylinder sleeve, a positioning piston, a positioning steel ball and a tailstock; the lower end of the second upper joint is in threaded connection with the upper end of the releasing component, the lower end of the releasing component rod is in threaded connection with the valve core through a first steel ball and a second steel ball, the lower end of the deblocking outer cylinder is in threaded connection with the upper end of the outer cylinder, the lower end of the outer cylinder is in threaded connection with the upper end of the cone, the anchor teeth are clamped in the upper end of the anchor tooth frame, the lower end of the anchor tooth frame is in threaded connection with the upper end of the anchor cylinder sleeve, the piston is arranged in the anchor cylinder sleeve, the upper end of the piston is in threaded connection with the transition joint, the lower end of the piston is in threaded connection with the upper end of the positioning cylinder sleeve, the lower end of the positioning cylinder sleeve is clamped on the outer circle of the positioning piston through a positioning steel ball, the positioning piston is clamped in the inner hole of the positioning cylinder sleeve through a positioning steel ball, and the upper end of the tailstock is in threaded connection with the lower end of the positioning cylinder sleeve.
Further, the electromagnetic valve control hydraulic anchor further comprises an anchor releasing device for releasing anchors, wherein the anchor releasing device comprises a third upper joint, an upper piston, an upper cylinder sleeve, a middle piston, a middle cylinder sleeve, a lower piston, a lower cylinder sleeve, a bailing cylinder and a push rod; the lower end of the third upper joint is in threaded connection with the upper end of the upper piston, the lower end of the upper piston is in threaded connection with the upper end of the middle piston, the upper end of the lower piston is in threaded connection with the lower end of the middle piston, the lower end of the lower piston is in threaded connection with the push rod, the lower end of the upper cylinder sleeve is in threaded connection with the upper end of the middle cylinder sleeve, the lower end of the middle cylinder sleeve is in threaded connection with the upper end of the lower cylinder sleeve, and the lower end of the lower cylinder sleeve is in threaded connection with the upper end of the bailer.
The invention has the beneficial effects that: a solenoid valve controlled hydraulic anchor is provided. The hydraulic pressure difference effect of the cased well is utilized to realize anchor setting through electromagnetic control of liquid feeding; the anchoring position is accurate, the anchoring is firm, the anchoring and de-anchoring effects and quality are improved, and the safety and reliability are realized. The piston pull rod is driven by the pressure of the well fluid, when the well fluid pressure is 10MPa, the axial pressure on the anchor teeth can reach 5 tons, and the anchoring is reliable.
Drawings
Fig. 1 is a schematic view showing the solenoid valve device and the hydraulic anchor device in a disassembly of the anchoring operation in the first embodiment.
Fig. 2 is a schematic structural view of a solenoid valve device in the first embodiment.
Fig. 3 is a partial enlarged view of a in fig. 2.
Fig. 4 is a partial enlarged view of B in fig. 2.
Fig. 5 is a partial enlarged view of C in fig. 2.
Fig. 6 is a partial enlarged view of D in fig. 2.
Fig. 7 is a schematic structural view of a hydraulic anchor device according to the first embodiment.
Fig. 8 is a partial enlarged view of E in fig. 7.
Fig. 9 is a partial enlarged view of F in fig. 7.
Fig. 10 is a partial enlarged view of G in fig. 7.
Fig. 11 is a partial enlarged view of H in fig. 7.
Fig. 12 is a schematic structural diagram of the anchor removing device in the second embodiment.
Fig. 13 is a partial enlarged view of I in fig. 12.
Fig. 14 is a partial enlarged view of J in fig. 12.
Fig. 15 is a partial enlarged view of K in fig. 12.
Fig. 16 is a partial enlarged view of L in fig. 12.
Fig. 17 is a schematic diagram showing the disassembly of the solenoid valve device, the hydraulic anchor device, and the anchor releasing device in the anchor releasing operation in the second embodiment.
Description of the embodiments
Examples
Referring to fig. 1-11, a solenoid valve controlled hydraulic anchor comprising a solenoid valve device 1 and a hydraulic anchor device 2; the electromagnetic valve device 1 comprises a first upper joint 11, an upper outer cylinder 12, a water inlet middle joint 13, a water inlet filter screen 14, an electromagnetic valve 15, a lower outer cylinder 16, a valve seat 17, a lower joint 18 and a sliding sleeve 19; the first upper joint is in threaded connection with the upper end of the upper outer cylinder, the lower end of the upper outer cylinder is in threaded connection with the upper end of the water inlet middle joint, the water inlet middle joint is in threaded connection with the upper end of the lower outer cylinder, the lower end of the lower outer cylinder is in threaded connection with the upper end of the valve seat, the lower end of the valve seat is in threaded connection with the lower upper end of the lower joint, the sliding sleeve is sleeved on the lower joint, and the water inlet filter screen is sleeved on the water inlet middle joint; the hydraulic anchor device 2 comprises a second upper joint 21, a releasing rod 22, an unsealing outer cylinder 23, an unsealing sliding sleeve 24, a first steel ball 25, a pull sleeve 26, a valve sleeve 27, a second steel ball 28, a valve core 29, a transition joint 30, an outer cylinder 31, a cone 32, an anchor tooth 33, an anchor tooth frame 34, a piston 35, an anchor cylinder sleeve 36, a positioning cylinder sleeve 37, a positioning piston 38, a positioning steel ball 39 and a tailstock 40; the lower end of the second upper joint is in threaded connection with the upper end of the releasing component, the lower end of the releasing component rod is in threaded connection with the valve core through a first steel ball and a second steel ball, the lower end of the deblocking outer cylinder is in threaded connection with the upper end of the outer cylinder, the lower end of the outer cylinder is in threaded connection with the upper end of the cone, the anchor teeth are clamped in the upper end of the anchor tooth frame, the lower end of the anchor tooth frame is in threaded connection with the upper end of the anchor cylinder sleeve, the piston is arranged in the anchor cylinder sleeve, the upper end of the piston is in threaded connection with the transition joint, the lower end of the piston is in threaded connection with the upper end of the positioning cylinder sleeve, the lower end of the positioning cylinder sleeve is clamped on the outer circle of the positioning piston through a positioning steel ball, the positioning piston is clamped in the inner hole of the positioning cylinder sleeve through a positioning steel ball, and the upper end of the tailstock is in threaded connection with the lower end of the positioning cylinder sleeve.
Anchoring the working flow:
(1) The lower end of the lower joint of the electromagnetic valve device is butted with the upper end of the second upper joint of the hydraulic anchor device on the ground;
(2) Descending the cable to the designed depth;
(3) The ground control is used for powering on the electromagnetic valve through a cable, the electromagnetic valve is opened, well fluid enters the central hole of the releasing rod through the electromagnetic valve water inlet filter screen and enters the positioning cylinder sleeve and the setting cylinder sleeve, after the well fluid pushes away the positioning piston, the positioning steel ball is released to return, and the setting cylinder sleeve moves upwards to press the anchor teeth and the cone; after the hydraulic pressure of the well in the hydraulic anchor is greater than 5MPa, the sliding sleeve is pushed away by the pressure, and the steel ball is released to return;
(4) And lifting the cable, pulling out the electromagnetic valve device and the releasing rod together, and positioning, anchoring and releasing the cable.
Examples
Referring to fig. 12-17, the solenoid valve controlled hydraulic anchor further comprises a de-anchoring device 5 for de-anchoring, the de-anchoring device 5 comprising a third upper joint 51, an upper piston 52, an upper cylinder liner 53, a middle piston 54, a middle cylinder liner 55, a lower piston 56, a lower cylinder liner 57, a canister 58 and a push rod 59; the lower end of the third upper joint is in threaded connection with the upper end of the upper piston, the lower end of the upper piston is in threaded connection with the upper end of the middle piston, the upper end of the lower piston is in threaded connection with the lower end of the middle piston, the lower end of the lower piston is in threaded connection with the push rod, the lower end of the upper cylinder sleeve is in threaded connection with the upper end of the middle cylinder sleeve, the lower end of the middle cylinder sleeve is in threaded connection with the upper end of the lower cylinder sleeve, and the lower end of the lower cylinder sleeve is in threaded connection with the upper end of the bailer.
The anchor removing operation flow comprises the following steps:
(1) A third upper joint connecting the lower end of the electromagnetic valve device to the upper end of the anchor release device on the ground;
(2) The cable is put into the well until the bailing tube contacts with the unsealing outer tube and then is automatically clamped;
(3) The ground control is used for powering on the electromagnetic valve through a cable, the magnetic valve is opened, well fluid enters the upper cylinder sleeve, the middle cylinder sleeve and the lower cylinder sleeve along the central hole of the piston of the anchor releasing device, the high-pressure well fluid pushes the three cylinder sleeves and the bailing cylinder to move upwards, meanwhile, the push rod pushes the deblocking sliding sleeve open, after the steel ball is released and returns, the bailing cylinder of the anchor releasing device continues to lift the cone body and the anchor teeth to be separated, so that the anchor teeth are released and return to be separated from the inner wall of the sleeve, and the anchor releasing is completed;
(4) The cable is lifted up and the de-anchoring device is pulled out of the wellhead along with the hydraulic anchor device.
Claims (2)
1. A solenoid valve control hydraulic anchor, its characterized in that: the electromagnetic valve control hydraulic anchor comprises an electromagnetic valve device (1) and a hydraulic anchor device (2); the electromagnetic valve device (1) comprises a first upper joint (11), an upper outer cylinder (12), a water inlet middle joint (13), a water inlet filter screen (14), an electromagnetic valve (15), a lower outer cylinder (16), a valve seat (17), a lower joint (18) and a sliding sleeve (19); the first upper joint is in threaded connection with the upper end of the upper outer cylinder, the lower end of the upper outer cylinder is in threaded connection with the upper end of the water inlet middle joint, the water inlet middle joint is in threaded connection with the upper end of the lower outer cylinder, the lower end of the lower outer cylinder is in threaded connection with the upper end of the valve seat, the lower end of the valve seat is in threaded connection with the lower upper end of the lower joint, the sliding sleeve is sleeved on the lower joint, and the water inlet filter screen is sleeved on the water inlet middle joint; the hydraulic anchor device (2) comprises a second upper joint (21), a releasing rod (22), a deblocking outer cylinder (23), a deblocking sliding sleeve (24), a first steel ball (25), a pulling sleeve (26), a valve sleeve (27), a second steel ball (28), a valve core (29), a transition joint (30), an outer cylinder (31), a cone (32), anchor teeth (33), an anchor tooth frame (34), a piston (35), an anchor cylinder sleeve (36), a positioning cylinder sleeve (37), a positioning piston (38), a positioning steel ball (39) and a tailstock (40); the lower end of the second upper joint is in threaded connection with the upper end of the releasing component, the lower end of the releasing component rod is in threaded connection with the valve core through a first steel ball and a second steel ball, the lower end of the deblocking outer cylinder is in threaded connection with the upper end of the outer cylinder, the lower end of the outer cylinder is in threaded connection with the upper end of the cone, the anchor teeth are clamped in the upper end of the anchor tooth frame, the lower end of the anchor tooth frame is in threaded connection with the upper end of the anchor cylinder sleeve, the piston is arranged in the anchor cylinder sleeve, the upper end of the piston is in threaded connection with the transition joint, the lower end of the piston is in threaded connection with the upper end of the positioning cylinder sleeve, the lower end of the positioning cylinder sleeve is clamped on the outer circle of the positioning piston through a positioning steel ball, the positioning piston is clamped in the inner hole of the positioning cylinder sleeve through a positioning steel ball, and the upper end of the tailstock is in threaded connection with the lower end of the positioning cylinder sleeve.
2. A solenoid valve controlled hydraulic anchor according to claim 1, wherein: the electromagnetic valve control hydraulic anchor further comprises an anchor releasing device (5) for releasing the anchor, wherein the anchor releasing device (5) comprises a third upper joint (51), an upper piston (52), an upper cylinder sleeve (53), a middle piston (54), a middle cylinder sleeve (55), a lower piston (56), a lower cylinder sleeve (57), a bailer (58) and a push rod (59); the lower end of the third upper joint is in threaded connection with the upper end of the upper piston, the lower end of the upper piston is in threaded connection with the upper end of the middle piston, the upper end of the lower piston is in threaded connection with the lower end of the middle piston, the lower end of the lower piston is in threaded connection with the push rod, the lower end of the upper cylinder sleeve is in threaded connection with the upper end of the middle cylinder sleeve, the lower end of the middle cylinder sleeve is in threaded connection with the upper end of the lower cylinder sleeve, and the lower end of the lower cylinder sleeve is in threaded connection with the upper end of the bailer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310386161.8A CN116291270A (en) | 2023-04-12 | 2023-04-12 | Electromagnetic valve control hydraulic anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310386161.8A CN116291270A (en) | 2023-04-12 | 2023-04-12 | Electromagnetic valve control hydraulic anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116291270A true CN116291270A (en) | 2023-06-23 |
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ID=86785103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310386161.8A Pending CN116291270A (en) | 2023-04-12 | 2023-04-12 | Electromagnetic valve control hydraulic anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116291270A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117345140A (en) * | 2023-12-05 | 2024-01-05 | 大庆金祥寓科技有限公司 | Supporting anchor device for jetting and decoupling same-hole secondary perforation |
| CN117345139A (en) * | 2023-12-05 | 2024-01-05 | 大庆金祥寓科技有限公司 | Jet and uncoupling supporting anchor |
-
2023
- 2023-04-12 CN CN202310386161.8A patent/CN116291270A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117345140A (en) * | 2023-12-05 | 2024-01-05 | 大庆金祥寓科技有限公司 | Supporting anchor device for jetting and decoupling same-hole secondary perforation |
| CN117345139A (en) * | 2023-12-05 | 2024-01-05 | 大庆金祥寓科技有限公司 | Jet and uncoupling supporting anchor |
| CN117345139B (en) * | 2023-12-05 | 2024-02-13 | 大庆金祥寓科技有限公司 | Jet and uncoupling supporting anchor |
| CN117345140B (en) * | 2023-12-05 | 2024-02-27 | 大庆金祥寓科技有限公司 | Supporting anchor device for jetting and decoupling same-hole secondary perforation |
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