CN218912827U - Sand flushing and fishing Sha Gangxing pipe column - Google Patents
Sand flushing and fishing Sha Gangxing pipe column Download PDFInfo
- Publication number
- CN218912827U CN218912827U CN202222921448.XU CN202222921448U CN218912827U CN 218912827 U CN218912827 U CN 218912827U CN 202222921448 U CN202222921448 U CN 202222921448U CN 218912827 U CN218912827 U CN 218912827U
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- pipe
- cup
- flushing
- sand
- well
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- 239000004576 sand Substances 0.000 title claims abstract description 54
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005553 drilling Methods 0.000 claims abstract description 27
- 239000013049 sediment Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 description 10
- 239000011435 rock Substances 0.000 description 6
- 239000011499 joint compound Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a sand flushing and fishing Sha Gangxing pipe column, which comprises an oil pipe and a serially connected fishing cup, wherein the serially connected fishing cup is formed by welding a middle pipe with a frame plate at the middle part of a cup body with a cavity, a through hole water hole for passing liquid is formed in the pipe body of the middle pipe, a central axis is chiseled on the inner wall of the through hole water hole, a well flushing liquid inlet cavity for flushing well flushing liquid is formed in the pipe body of the oil pipe, and a screw drilling tool for stirring liquid sediment in a well is arranged at the bottom end of the oil pipe in a clamping manner. The operation pipe column drilling tool disclosed by the utility model is simple in assembly, high in efficiency, simple and convenient to operate, safe and environment-friendly, suitable for sand flushing and dredging operations of various water source wells with different well diameters, well depths and liquid levels, high in systematicness and strong in practicability.
Description
Technical Field
The utility model relates to the technical field of water source well maintenance, in particular to a sand flushing and dredging rigid pipe column.
Background
One of the main reasons for the current reduction of water output of water source wells is as follows: sediment such as silt and rock debris blocks water. The operations of flushing sand and dredging sand are the main working contents of water source well maintenance. Aiming at a water source well with the well depth of 190-500 m, the well bore inner diameter phi 159-273 mm, the bottom hole pressure is low, the static water level depth of 110-170 m, the well is deeper, the well bore inner diameter is larger, if sediment such as mud, sand, rock debris and the like in the well bore is carried to the ground in a circulating well flushing liquid mode, high-quality well flushing liquid needs to be prepared, and a high-power slurry pump or a pump truck is used for long-time operation. The pollution is large, the environmental protection requirement is high, and the investment is large. The use is troublesome, so we propose a sand flushing and dredging rigid pipe column.
Disclosure of Invention
The utility model mainly aims to provide a sand flushing and fishing Sha Gangxing pipe column, which aims to solve the problems that the existing water source well is difficult to flush and drag sand, long-time operation is needed to flush and drag sand to the ground, and the use is troublesome. The operation pipe column drilling tool disclosed by the utility model is simple in assembly, high in efficiency, simple and convenient to operate, safe and environment-friendly, suitable for various water source wells with different well diameters, well depths and liquid levels to wash sand and drag for sand, high in systematicness and strong in practicability, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a wash sand, drag for Sha Gangxing tubular column, includes oil pipe and establishes ties and drag for the cup, establish ties and drag for the cup by the cup middle part in area chamber with frame piece welding intermediate tube constitutes, and offer the through-hole water eye that is used for the passing liquid in the body of intermediate tube, and the inner wall chisel of through-hole water eye has the axis, offer the flushing liquid that is used for flushing in the body of oil pipe and go into the chamber, and oil pipe bottom joint installs the screw rod drilling tool that is used for stirring the liquid deposit in the well, and the screw rod drilling tool is kept away from the bottom joint of oil pipe and is installed the intermediate tube head of establishing ties and drag for the cup, oil pipe, screw rod drilling tool and establish ties are dragged for the vertical intercommunication of intermediate tube of cup, and establish ties and drag for the intermediate tube bottom department cutting shaping that the cup kept away from the screw rod drilling tool has the oblique point that can be driven to bore in the deposit by the rotation force.
Further, the cup bodies of the serially connected fishing cups are vertically arranged and welded on the surface of the middle pipe, and an annular space A and an annular space B are reserved between the cup bodies and the middle pipe; the cup body can be welded on the surface of the middle pipe to form a plurality of groups, and an annular space A and an annular space B which can be used for liquid to enter are reserved between the cup body and the middle pipe.
Further, the diameter of the through hole water hole is the same as that of the cavity of the flushing fluid inlet cavity; the through hole water hole and the well flushing liquid can pass through the well flushing liquid well.
Compared with the prior art, the utility model has the following beneficial effects:
when the water source well sand flushing and dredging rigid pipe column is used, the positive circulation well flushing liquid is convenient to rotate, flush, disturb and break sediment such as sediment and rock debris when driven to rotate by driving force through the arrangement of the screw drilling tool and the inclined tip at the bottom end of the middle pipe, the inclined tip is rotationally inserted into a sediment layer, sand flushing time is short, and through the arrangement of the annular space A and the annular space B of the serial dredging cup, well flushing liquid flow state change is generated, so that broken objects such as partial mud, sand and drill cuttings are conveniently collected and deposited in the cup body; the well washing liquid is further purified through the arrangement of the annular space A and the annular space B along with the upward return of the well washing liquid carrying the broken objects such as mud, sand and drill cuttings, and the broken objects such as the mud, the sand and the drill cuttings are collected and precipitated in the last cup body; repeating the steps, and extracting broken objects such as mud, sand, drilling cuttings and the like to the ground while drilling. Realize sand washing and sand fishing operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a sand washing and fishing rigid pipe column.
In the figure: 1. an oil pipe; 2. screw drilling tool; 3. serially connected fishing cups; 4. an annular space a; 5. an annular space B; 6. oblique tip; 7. flushing fluid enters the cavity; 8. a central axis; 9. a cup body; 10. a through hole water hole; 11. an intermediate tube.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1, a sand flushing and fishing Sha Gangxing pipe column comprises an oil pipe 1 and a serial connection fishing cup 3, the serial connection fishing cup 3 is formed by welding a middle pipe 11 with a frame piece at the middle part of a cup body 9 with a cavity, a through hole water hole 10 for passing liquid is formed in the pipe body of the middle pipe 11, a central axis 8 is chiseled on the inner wall of the through hole water hole 10, a flushing liquid inlet cavity 7 for flushing liquid is formed in the pipe body of the oil pipe 1, a screw drilling tool 2 for stirring liquid sediment in the well is mounted at the bottom end joint of the oil pipe 1, the screw drilling tool 2 is far away from the bottom end joint of the oil pipe 1, the middle pipe 11 head of the serial connection fishing cup 3 is mounted, the oil pipe 1, the screw drilling tool 2 and the middle pipe 11 of the serial connection fishing cup 3 are vertically communicated, and an inclined tip 6 which can be driven by a rotating force to drill into the sediment in the well is formed at the bottom end of the middle pipe 11 of the serial connection fishing cup 3.
The cup bodies 9 of the serially connected fishing cups 3 are vertically arranged and welded on the surface of the middle pipe 11, and an annular space A4 and an annular space B5 are reserved between the cup bodies 9 and the middle pipe 11; the cup body 9 can be welded on the surface of the middle pipe 11 to form a plurality of groups, and an annular space A4 and an annular space B5 which can be used for liquid to enter are reserved between the cup body 9 and the middle pipe 11.
Wherein the diameter of the through hole water hole 10 is the same as that of the cavity of the flushing fluid inlet cavity 7; the through hole water hole 10 and the flushing fluid inlet cavity 7 can better pass through the flushing fluid.
The utility model relates to a sand flushing and fishing Sha Gangxing pipe column, which is characterized in that an oil pipe 1 is connected with a screw drilling tool 2 and then is connected with a serial fishing cup 3 with an inclined tip 6 again to form a sand flushing and fishing rigid pipe column, the sand flushing and fishing rigid pipe column is fed into a well, a slurry pump or a pump truck is used for flushing a well in a large-displacement positive circulation mode through a through hole water hole 10, the rigid pipe column is slowly discharged, the inclined tip 6 at the bottom end of the rotary pipe column of the screw drilling tool 2 rotates, drilling pressure is applied to rotate, when the inclined tip 6 contacts the sand settling surface, flushing fluid breaks and carries mud, sand, rock debris and the like from a flushing fluid inlet cavity 7 through water horsepower provided by the through hole water hole 10, when sediment such as mud, sand, rock debris and the like cannot be broken sufficiently and rapidly, the screw drilling tool 2 drives the inclined tip 6 to rotate, and is convenient to be inserted into sediment such as sand settling, flushing, disturbance, mud breaking, sand, rock debris and the like, sediment such as mud, sand and the like can be broken and carried by hydraulic energy and mechanical energy, and the sediment such as mud, sand and the like are returned by the inner wall and the rigid pipe column, the drilling cuttings and the drilling cuttings are formed by the inner wall and the annular space such as the sand flushing fluid. Because the outer diameter of the cup body 9 is larger, the gap formed by the annular space A4 between the cup bodies 9 and the inner wall of the shaft is small, the upward return speed of the well washing liquid is high, the sand carrying capacity is high, the outer diameter of the middle pipe 11 at the cup mouth is smaller, the gap formed by the annular space B5 between the cup bodies 9 and the inner wall of the shaft is suddenly increased, the upward return speed of the well washing liquid is suddenly reduced, vortex is formed, the sand carrying capacity is suddenly reduced, and broken objects such as partial mud, sand and drill cuttings in the well washing liquid are caused to subside and fall into the cup body 9; the well washing liquid is further purified through the arrangement of the annular space A4 and the annular space B5 along with the upward return of the well washing liquid carrying the broken objects such as mud, sand and drill cuttings, and the broken objects such as the mud, the sand and the drill cuttings are collected and precipitated in the last cup body 9; and repeatedly extracting broken objects such as mud, sand, drilling cuttings and the like to the ground while drilling, so as to realize sand washing and sand fishing operation. Generally, heavy and large broken objects such as drill cuttings are precipitated in the lower cup 9, light and fine broken objects such as mud and sand are precipitated in the upper cup 9, and in the operation process, the water source well sand flushing and sand fishing rigid pipe column can repeatedly work, so that working surfaces and well flushing liquid can be effectively cleaned in time, and the sand flushing and sand fishing efficiency is improved. Until the maintenance purpose of flushing and dredging sand of the water source well is achieved.
The utility model relates to a sand flushing and fishing Sha Gangxing pipe column, which comprises a pipe 1 and an oil pipe; 2. screw drilling tool; 3. serially connected fishing cups; 4. an annular space a; 5. an annular space B; 6. oblique tip; 7. flushing fluid enters the cavity; 8. a central axis; 9. a cup body; 10. a through hole water hole; 11. the intermediate pipe and the components are all known by the person skilled in the art, and the structure and the principle of the intermediate pipe are all known by the person skilled in the art through technical manuals or through routine experimental methods.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a wash sand, drag for Sha Gangxing tubular column, includes oil pipe (1) and establishes ties and drag for cup (3), its characterized in that: the series connection is dragged for cup (3) and is formed by frame piece welding intermediate tube (11) in the middle part of cup (9) in taking the chamber, and offer through-hole water hole (10) that are used for the liquid in the body of intermediate tube (11), and the inner wall of through-hole water hole (10) is chiseled and is carved with axis (8), offer in the body of oil pipe (1) and be used for flushing the flushing fluid into chamber (7), and oil pipe (1) bottom joint installs screw drilling tool (2) that are used for stirring the liquid sediment in the well, and screw drilling tool (2) are kept away from the bottom joint of oil pipe (1) and are installed intermediate tube (11) head of cup (3) are dragged for in series connection, oil pipe (1), screw drilling tool (2) and intermediate tube (11) vertical intercommunication of cup (3) are dragged for in series connection, and the intermediate tube (11) bottom department cutting shaping that is kept away from screw drilling tool (2) is gone into oblique point (6) in the sediment in the well by the drive.
2. A sand flushing, fishing Sha Gangxing pipe string as defined in claim 1, further comprising: the cup bodies (9) of the serially connected fishing cups (3) are vertically arranged and welded on the surface of the middle pipe (11), and an annular space A (4) and an annular space B (5) are reserved between the cup bodies (9) and the middle pipe (11).
3. A sand flushing, fishing Sha Gangxing pipe string as defined in claim 1, further comprising: the diameter of the through hole water hole (10) is the same as that of the cavity of the flushing fluid inlet cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222921448.XU CN218912827U (en) | 2022-11-03 | 2022-11-03 | Sand flushing and fishing Sha Gangxing pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222921448.XU CN218912827U (en) | 2022-11-03 | 2022-11-03 | Sand flushing and fishing Sha Gangxing pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218912827U true CN218912827U (en) | 2023-04-25 |
Family
ID=86009870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222921448.XU Active CN218912827U (en) | 2022-11-03 | 2022-11-03 | Sand flushing and fishing Sha Gangxing pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218912827U (en) |
-
2022
- 2022-11-03 CN CN202222921448.XU patent/CN218912827U/en active Active
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