CN112360378B - Electric spiral bailing tool and bailing method - Google Patents
Electric spiral bailing tool and bailing method Download PDFInfo
- Publication number
- CN112360378B CN112360378B CN202011397454.9A CN202011397454A CN112360378B CN 112360378 B CN112360378 B CN 112360378B CN 202011397454 A CN202011397454 A CN 202011397454A CN 112360378 B CN112360378 B CN 112360378B
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- sand
- valve
- bailing
- way
- main shaft
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- 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
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
- E21B27/04—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits where the collecting or depositing means include helical conveying means
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- 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
Abstract
The invention provides an electric spiral bailing tool and a bailing method, the tool comprises a body, a motor water outlet, a main shaft, a one-way sand filtering valve, a sand outlet valve, a one-way valve I, a one-way valve II, a sand conveyer, a liquid inlet and a bearing body assembly, wherein the motor and the bearing body assembly are respectively positioned at the outer sides of two ends of the body; the body is a hollow cylinder, and the liquid inlet is formed in the body close to the bearing body assembly; the water outlet is arranged on the body close to the motor; three baffles are sequentially arranged in the body from the motor to the bearing body assembly, and the three baffles divide the interior of the body into four independent cavities. The invention solves the problem that the throttleer well is partially buried in sand, solves the problem that the throttleer well is partially buried in sand and cannot be salvaged, ensures the normal production of the wells, and provides a new means for sand bailing and salvage.
Description
Technical Field
The invention belongs to the technical field of production downhole operation, and particularly relates to an electric spiral bailing tool and a bailing method.
Background
At present, sand can be produced from part of gas wells in the production process to bury tools such as underground throttlers and the like, so that the normal production and other operations of the gas wells are influenced, sand bailing is one direction for realizing the low-cost and high-efficiency treatment of the sand burying problem, and the existing rope operation suction sand bailing tool cannot be successfully applied due to the low sand bailing efficiency.
Disclosure of Invention
The invention provides an electric spiral bailing tool and a bailing method, aiming at overcoming the problems that the prior rope operation suction bailing tool has low bailing efficiency and can not be applied in large quantity.
The technical scheme adopted by the invention is as follows:
an electric spiral sand bailing tool comprises a body, a motor water outlet, a main shaft, a one-way sand filtering valve, a sand outlet valve, a one-way valve I, a one-way valve II, a sand conveying device, a liquid inlet and a bearing body assembly, wherein the motor and the bearing body assembly are respectively positioned at the outer sides of two ends of the body; the body is a hollow cylinder, and the liquid inlet is formed in the body close to the bearing body assembly; the water outlet is arranged on the body close to the motor; three baffles are sequentially arranged in the body from the motor to the bearing body assembly, and divide the interior of the body into four independent cavities; the one-way sand filtering valve and the one-way valve are respectively arranged on the baffles at the two sides, and the one-way valve is arranged on the baffle in the middle; a cavity between the one-way sand filtering valve and the one-way valve I is a sand storage cavity, and the sand outlet valve is arranged on the body at the sand storage cavity; the sand conveyer is positioned in the body between the second check valve and the liquid inlet, the sand conveyer is fixed on the main shaft, a spiral conveying blade of the sand conveyer is in contact connection with the inner wall of the body, and the liquid inlet is communicated with the sand conveyer.
The main shaft is positioned on the central axis in the body.
A rotating blade is arranged in a cavity between the first check valve and the second check valve and fixedly connected with the main shaft; the rotating blades are spirally positioned in the body and are in contact connection with the inner wall of the body.
The sand conveyer is a spiral sand conveyer.
And the middle part of the main shaft is provided with a universal joint assembly, and the universal joint assembly is arranged on the right end surfaces of the two one-way valves.
The motor is powered by a cable.
An electric spiral sand bailing method comprises the following specific steps:
step one, after connecting a coiled tubing with an electric spiral sand bailing tool, putting a production tubing in; controlling the lowering speed to be less than 600m/h;
step two, after the electric spiral sand bailing tool reaches the upper part of the throttler, the motor is powered through a cable to drive the main shaft to rotate, sand is screwed into the cylinder body, and the sand is discharged into the sand storage cavity through the two-stage one-way valve and the one-way sand filtering valve;
and step three, pulling out the electric spiral bailing tool, opening a sand outlet valve, discharging sand and realizing bailing.
The invention has the beneficial effects that:
the bailing tool provided by the invention solves the problem that the choke is buried in sand at the upper part, solves the problem that the choke wells are partially buried in sand and cannot be salvaged, ensures the normal production of the wells, and provides a new means for bailing and salvaging.
The following will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figures, the reference numbers are: 1. a body; 2. a motor; 3. a water outlet; 4. a main shaft; 5. a one-way sand filtering valve; 6. a sand outlet valve; 7. a sand storage cavity; 8. a one-way valve I; 9. a second one-way valve; 10. (ii) a 11. A sand conveyor; 12. a liquid inlet; 13. a bearing body assembly; 14. the blades are rotated.
Detailed Description
Example 1:
in order to overcome the problems that the existing rope operation suction bailing tool is low in bailing efficiency and cannot be applied in a large quantity, the invention provides the electric spiral bailing tool and the bailing method shown in the figure 1.
An electric spiral sand bailing tool comprises a body 1, a motor 2 water outlet 3, a main shaft 4, a one-way sand filtering valve 5, a sand outlet valve 6, a one-way valve I8, a one-way valve II 9, a sand conveyer 11, a liquid inlet 12 and a bearing body assembly 13, wherein the motor 2 and the bearing body assembly 13 are respectively positioned at the outer sides of two ends of the body 1, one end of the main shaft 4 is connected with the motor 2, and the other end of the main shaft is connected with the bearing body assembly 13; the body is a hollow cylinder, and the liquid inlet 12 is arranged on the body 1 close to the bearing body assembly 13; the water outlet 3 is arranged on the body 1 close to the motor 2; three baffle plates are sequentially arranged in the body 1 from the motor 2 to the bearing body assembly 13, and the three baffle plates divide the interior of the body 1 into four independent cavities; the one-way sand filtering valve 5 and the one-way valve II 9 are respectively arranged on the baffles at the two sides, and the one-way valve I8 is arranged on the baffle in the middle; a cavity between the one-way sand filtering valve 5 and the one-way valve I8 is a sand storage cavity 7, and the sand outlet valve 6 is arranged on the body 1 at the position of the sand storage cavity 7; the sand conveyer 11 is positioned in the main body 1 between the second check valve 9 and the liquid inlet 12, the sand conveyer 11 is fixed on the main shaft 4, the spiral conveying blade of the sand conveyer 11 is in contact connection with the inner wall of the main body 1, and the liquid inlet 12 is communicated with the sand conveyer 11.
As shown in figure 1, the invention supplies power to a motor 2 through a cable to drive a spiral bailing shaft (a main shaft 4) to rotate, sand is screwed into a cylinder body, the sand is discharged into a sand storage cavity 7 through a two-stage one-way valve and a one-way sand filtering valve 5, a bailing tool is taken out, a sand outlet valve 6 is opened, and the sand is discharged, so that the bailing is realized.
The invention can realize the bailing operation by one-time pipe column operation. The matching one-way sand filtering valve 5 can prevent sand from flowing out of the sand storage cavity 7. The matched one-way valve I8 and the one-way valve II 9 can prevent sand liquid from flowing back. After the sand is fished, the fishing tool is lifted out, the sand can be discharged, and the sand fishing process is simple, easy and safe.
Example 2:
based on embodiment 1, in this embodiment, it is preferable that the main shaft 4 is located on a central axis in the body 1.
Preferably, a rotating blade 14 is arranged in a cavity between the first check valve 8 and the second check valve 9, and the rotating blade 14 is fixedly connected with the main shaft 4; the rotating blades 14 are spirally positioned in the body 1 and are in contact connection with the inner wall of the body 1.
Preferably, the sand conveyer 11 is a spiral sand conveyer.
Preferably, the one-way sand filtering valve 5 is positioned between the water outlet 3 and the sand outlet valve 6.
Preferably, a universal joint assembly 10 is arranged in the middle of the main shaft 4, and the universal joint assembly 10 is arranged on the right end face of the second one-way valve 9.
The bearing body assembly 13 and the universal joint assembly 10 of the present invention are prior art and will not be further described in the present invention.
Preferably, the motor 2 is powered by a cable.
In the invention, a main shaft 4 is connected with a rotating blade 14 and a sand conveyer 11, and under the condition that the main shaft 4 rotates, the rotating blade 14 and the sand conveyer 11 are driven to rotate, so that sand-containing liquid entering from a liquid inlet 12 is rotationally moved to a sand storage cavity 7 and a water outlet 3.
An electric spiral sand bailing method comprises the following specific steps:
step one, after connecting a coiled tubing with an electric spiral sand bailing tool, putting a production tubing in; controlling the lowering speed to be less than 600m/h;
step two, after the electric spiral sand bailing tool reaches the upper part of the throttler, the motor 2 is powered through a cable to drive the main shaft 4 to rotate, sand is screwed into the cylinder body, and the sand is discharged into the sand storage cavity 7 through the two-stage one-way valve and the one-way sand filtering valve 5;
and step three, the electric spiral bailing tool is lifted out, the sand outlet valve 6 is opened, sand is discharged, and bailing is realized.
The invention uses the electric spiral bailing tool to bail sand, thereby eliminating the sand burying condition at the upper part of the restrictor, solving the difficult problem that the restrictor wells can not be bailed due to partial sand burying, ensuring the normal production of the wells, and simultaneously providing a new means for bailing sand and fishing. The invention can realize the sand bailing operation by one-time operation through the fishing tool matched with the continuous oil pipe. Provides a new means for the fishing of the choke, and fills the blank in the aspect.
The working process of the invention is as follows:
the cable supplies power to the motor 2 to drive the main shaft 4 to rotate, then the sand-containing liquid enters the sand conveyer 11 from the liquid inlet 12 and moves towards the second one-way valve 9, the sand-containing liquid enters between the second one-way valve 9 and the first one-way valve 8 and drives the liquid to move towards the first one-way sand filtering valve 5 through the rotation of the rotating blade 14, finally the sand stays in the sand storage cavity 7 between the first one-way sand filtering valve 5 and the first one-way valve 8, and the liquid passes through the first one-way sand filtering valve 5 and flows out through the water outlet 3. When the sand needs to be taken out, the electric spiral sand bailing tool is lifted out, the sand outlet valve 6 is opened, the sand is discharged, and the sand bailing is realized.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention. The apparatus structure and the method steps thereof, which are not described in detail in the present invention, are prior art and will not be further described in the present invention.
Claims (4)
1. An electric spiral sand bailing method is characterized in that: the method comprises the following specific steps:
step one, after connecting a coiled tubing with an electric spiral sand bailing tool, putting a production tubing in; the lowering speed of the production oil pipe is controlled to be less than 600m/h;
after the electric spiral sand bailing tool reaches the upper part of the throttler, the motor (2) is powered through a cable to drive the main shaft (4) to rotate, sand is screwed into the cylinder body, and the sand is discharged into the sand storage cavity (7) through the two-stage one-way valve and the one-way sand filtering valve (5);
step three, the electric spiral bailing tool is lifted out, the sand outlet valve (6) is opened, sand is discharged, and bailing is achieved;
the electric spiral sand bailing tool comprises a body (1), a motor (2), a water outlet (3), a main shaft (4), a one-way sand filtering valve (5), a sand outlet valve (6), a one-way valve I (8), a one-way valve II (9), a sand conveyor (11), a liquid inlet (12) and a bearing body assembly (13), wherein the motor (2) and the bearing body assembly (13) are respectively positioned at the outer sides of two ends of the body (1), one end of the main shaft (4) is connected with the motor (2), and the other end of the main shaft is connected with the bearing body assembly (13); the body is a hollow cylinder, and the liquid inlet (12) is arranged on the body (1) close to the bearing body assembly (13); the water outlet (3) is arranged on the body (1) close to the motor (2); three baffles are sequentially arranged in the body (1) from the motor (2) to the bearing body assembly (13), and divide the interior of the body (1) into four independent cavities; the one-way sand filtering valve (5) and the one-way valve II (9) are respectively arranged on the baffles at the two sides, and the one-way valve I (8) is arranged on the baffle in the middle; a cavity between the one-way sand filtering valve (5) and the one-way valve I (8) is a sand storage cavity (7), and the sand outlet valve (6) is arranged on the body (1) at the position of the sand storage cavity (7); the sand conveyer (11) is positioned in the body (1) between the check valve II (9) and the liquid inlet (12), the sand conveyer (11) is fixed on the main shaft (4), a spiral conveying blade of the sand conveyer (11) is in contact connection with the inner wall of the body (1), and the liquid inlet (12) is communicated with the sand conveyer (11); the main shaft (4) is positioned on the central axis in the body (1); a rotating blade (14) is arranged in a cavity between the one-way valve I (8) and the one-way valve II (9), and the rotating blade (14) is fixedly connected with the main shaft (4); the rotating blades (14) are spirally positioned in the body (1).
2. The electric spiral bailing method according to claim 1, wherein: the rotating blades (14) are in contact connection with the inner wall of the body (1).
3. The electric spiral bailing method according to claim 1, wherein: and a universal joint assembly (10) is arranged in the middle of the main shaft (4).
4. The electric spiral bailing method according to claim 1, wherein: the specific using process is as follows: the cable supplies power to the motor (2), the main shaft (4) is driven to rotate, then the sand-containing liquid enters the sand conveyer (11) from the liquid inlet (12) and moves towards the second one-way valve (9), the sand-containing liquid enters the space between the second one-way valve (9) and the first one-way valve (8), the rotary blade (14) rotates to drive the liquid to move towards the one-way sand filtering valve (5), finally, sand stays in the sand storage cavity (7) between the one-way sand filtering valve (5) and the first one-way valve (8), the liquid passes through the one-way sand filtering valve (5) and flows out from the water outlet (3), when the sand needs to be taken out, the electric spiral sand bailing tool is taken out, the sand outlet valve (6) is opened, the sand is discharged, and sand bailing is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397454.9A CN112360378B (en) | 2020-12-04 | 2020-12-04 | Electric spiral bailing tool and bailing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397454.9A CN112360378B (en) | 2020-12-04 | 2020-12-04 | Electric spiral bailing tool and bailing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112360378A CN112360378A (en) | 2021-02-12 |
| CN112360378B true CN112360378B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397454.9A Active CN112360378B (en) | 2020-12-04 | 2020-12-04 | Electric spiral bailing tool and bailing method |
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| Country | Link |
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| CN (1) | CN112360378B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO315212B1 (en) * | 2001-10-24 | 2003-07-28 | Maritime Well Service As | Method and apparatus for collecting screw |
| CN203476268U (en) * | 2013-10-08 | 2014-03-12 | 屈策计 | Oil-water well operation sand fishing device |
| NO341427B1 (en) * | 2014-03-18 | 2017-11-13 | Qinterra Tech As | Collection unit for a contaminant in a well and method for collecting and transporting the contaminant out of the well |
| CN105840127B (en) * | 2016-05-30 | 2018-09-04 | 泸州长江石油工程机械有限公司 | Double layer continuous oil pipe sand pumping device and technique |
| CN206458312U (en) * | 2016-12-28 | 2017-09-01 | 中国石油天然气股份有限公司 | One kind bores sand, sand washing and drags for sand integrated pipe column |
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2020
- 2020-12-04 CN CN202011397454.9A patent/CN112360378B/en active Active
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| CN112360378A (en) | 2021-02-12 |
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