CN209990468U - Rotational flow sedimentation type underground solid-phase object drag-drag integrated device - Google Patents
Rotational flow sedimentation type underground solid-phase object drag-drag integrated device Download PDFInfo
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- CN209990468U CN209990468U CN201920666758.7U CN201920666758U CN209990468U CN 209990468 U CN209990468 U CN 209990468U CN 201920666758 U CN201920666758 U CN 201920666758U CN 209990468 U CN209990468 U CN 209990468U
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- solid
- phase object
- rotational flow
- pipe
- phase
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- 239000007790 solid phase Substances 0.000 title claims abstract description 49
- 238000004062 sedimentation Methods 0.000 title claims description 16
- 239000012530 fluid Substances 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000003129 oil well Substances 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 238000005457 optimization Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a formula solid phase object hinders in pit and drags for integrative device is subsided to whirl, including the outer tube, the one end of outer tube is connected with the unit that subsides that is used for the deposit solid phase object, and the coaxial inner tube that is equipped with in the outer tube is provided with on the inner tube and prevents that solid phase object from going on the interior guide unit. The utility model discloses reduced the influence of solid phase object to the tubing pump in the oil well production process, solved the problem that the particulate matter gets into the well problem of lying that the pump barrel caused and solid phase object influence the pump effect and reduce the problem, avoided the problem that can only the prevention can not clear away under the present measure condition, solved the problem that the prevention can not be taken care of with the radical cure, effectively prolonged the production cycle of oil well, practiced thrift the operating cost, improved construction quality.
Description
Technical Field
The utility model relates to an instrument that uses in the oil development trade production process, concretely relates to whirl subsides formula solid object in pit hinders drags for integrative device belongs to mechanical technical field.
Background
With the continuous extension of the development period of oil fields and the experimental application of various yield increasing technologies, the production stop problem caused by large-diameter solid-phase objects (broken rubber, weeds, car chips and solidified blocks) is increased in addition to common mechanical failures of pipes, rods, pumps, seals, filters and the like caused by engineering factors. In 2018, 41 production stopping wells caused by 'solid-phase objects' are dissected out in an island operation area, the production stopping period reaches 172 days, the yield is influenced by 650 more than one ton, the operation cost is consumed by more than 150 ten thousand yuan, and the direct economic loss is more than 270 ten thousand yuan. The effects of "solid objects" are mainly reflected in: firstly, the floating valve and the fixed valve of the tubular pump are not closed tightly and can not work normally, and the production is stopped. Secondly, the pump efficiency of the deep well pump is reduced to influence the yield. Thirdly, the maintenance cost is increased due to the production stoppage and maintenance.
At present, the treatment measures adopted by each oil field are to increase a sieve tube and control a plug at a tail pipe of a well completion, and certain effect is achieved. However, because the protection measures are single, the solid-phase object in the well still stays in the shaft, the hidden danger is not eliminated, and the essential solution from prevention to radical treatment cannot be realized.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's the aforesaid not enough, provide a whirl subsides formula solid object in the pit and hinders and drag for integrative device to reduce the influence of solid object to the tubing pump in the oil well production process.
In order to solve the above problem, the utility model adopts the following technical scheme: the cyclone sedimentation type underground solid-phase object drag-fishing integrated device comprises an outer tube, wherein one end of the outer tube is connected with a sedimentation unit for depositing a solid-phase object, an inner tube is coaxially assembled in the outer tube, and a guide unit for preventing the solid-phase object from entering the inner tube is arranged on the inner tube.
The following is the utility model discloses to the further optimization of above-mentioned scheme: the outer pipe is provided with a first through hole for facilitating the entry of fluid.
Further optimization: the length of the inner tube is less than the length of the outer tube.
Further optimization: the guide unit includes a swirl guide fixing wing for guiding the fluid.
Further optimization: the rotational flow guide fixed wing is of a spiral structure.
Further optimization: the included angle between the tangent of the rotational direction of the rotational flow guide fixed wing and the axis of the inner pipe is 75 +/-5 degrees.
Further optimization: and a second through hole is formed in the inner pipe and is of a strip-shaped structure.
Further optimization: the width of the second through hole is 2 +/-0.1. mm.
Further optimization: the outer pipe is connected with a lower joint, and the lower joint is provided with a retaining shoulder with an annular structure.
Further optimization: and the lower joint is connected with an oil pipe for accommodating solid-phase substances.
When in use, the device is connected to a tail pipe of a well completion, fluid (slurry) in a well enters the device through a side hole (a first through hole) of a settling cylinder (an outer pipe) in the production process, and flows down in a rotational flow mode through a rotational flow guide wing, solid-phase objects carried by the fluid flow enter the device together, and are blocked outside a flow-passing sieve pipe (an inner pipe) under the action of the height difference of the liquid level, and the solid-phase objects are gradually settled between the settling cylinder and the sieve pipe or in the tail pipe (an oil pipe);
during secondary operation, collected solid-phase objects are brought to the ground together with the pipe column (outer pipe), and in order to prevent residual liquid in the tail pipe from causing pollution, the collected solid-phase objects are guided into the sleeve pipe through the guide pipe, so that the purposes of eliminating the influence of the solid-phase objects and clearing the solid-phase objects are achieved.
The utility model discloses reduced the influence of solid phase object to the tubing pump in the oil well production process, solved the problem that the particulate matter gets into the well problem of lying that the pump barrel caused and solid phase object influence the pump effect and reduce the problem, avoided the problem that can only the prevention can not clear away under the present measure condition, solved the problem that the prevention can not be taken care of with the radical cure, effectively prolonged the production cycle of oil well, practiced thrift the operating cost, improved construction quality.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of an outer tube in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first through hole in an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
fig. 5 is a schematic structural view of an inner tube in an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken at A-A of FIG. 5;
fig. 7 is a schematic structural diagram of a ball valve according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a lower joint according to an embodiment of the present invention;
fig. 9 is a schematic structural view of an adapter according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of an upper joint in an embodiment of the present invention.
In the figure: 1-upper joint; 2-a crossover joint; 3-inner tube; 4-an outer tube; 5-lower joint; 6-plugging; 7-an oil pipe; 8-ball valve; 9-swirl guide fixed wing; 10-a first via; 11-a second via; 12-a shoulder block; 13-connecting sleeve.
Detailed Description
In the embodiment, as shown in fig. 1-10, the cyclone sedimentation type downhole solid-phase object drag-and-drag integrated device comprises a hollow outer tube 4, one end of the outer tube 4 is connected with a sedimentation unit for depositing a solid-phase object, an inner tube 3 with an annular longitudinal section is coaxially assembled in the outer tube 4, one end of the inner tube 3 is plugged by a plug 6, the other end of the inner tube is fixedly connected with the inner wall of the outer tube 4 through a conversion joint 2, and a guide unit for preventing the solid-phase object from entering the inner tube 3 is arranged on the inner tube 3.
Two oval first through holes 10 are symmetrically formed in the position, close to one end, of the outer pipe 4, the first through holes 10 can be formed in a plurality of positions according to needs, and therefore the design is convenient for slurry outside the outer pipe 4 to enter.
The length of the inner pipe 3 is smaller than that of the outer pipe 4, so that a height difference is formed between one end of the outer pipe 4 and one end of the inner pipe 3, and a cavity for accommodating a fixture is formed.
The guide unit includes a swirl guide fixing wing 9 integrally connected to an outer circumference of the inner pipe 3 at a position near the first through hole 10, the swirl guide fixing wing 9 being for rotating the slurry passing through the first through hole 10 and making the slurry flow down against an inner wall of the outer pipe 4.
The cyclone guide fixed wing 9 is of a spiral structure, and an included angle between a tangent of the rotational direction of the cyclone guide fixed wing 9 and the axis of the inner tube 3 is 75 +/-5 degrees, so that the design is convenient for guiding the slurry.
The section that whirl guide fixed wing 9 was cut open along inner tube 3 axial is isosceles trapezoid, and the design is convenient for the thick liquid flow to 4 inner walls of outer tube like this.
The number of the swirl guide fixing wings 9 is three, or two or more swirl guide fixing wings can be provided as required, and the swirl guide fixing wings are arranged on the outer circumference of the inner tube 3 in an annular array.
A plurality of second through holes 11 are formed in the outer circumference of the inner pipe 3 in an annular array mode, each second through hole 11 is in a strip shape, and therefore liquid in the outer pipe 4 can conveniently enter the inner pipe 3 due to the design.
The plurality of second through holes 11 on the same circumference are a group, a plurality of groups are arranged on the inner pipe 3 between the pipe plug 6 and the swirl guide fixing wing 9 and are respectively arranged at certain intervals, and the design can increase the flow of liquid.
The width of the second through hole 11 on the outer circumference of the inner tube 3 is 2 +/-0.1 mm, so that the design can prevent solid phase objects with larger size from entering, and further cause the failure of the tube pump.
The one end of outer tube 4 has the longitudinal section to be annular lower clutch 5 through threaded connection, and the position that is close to the middle part on the outer circumference of lower clutch 5 an organic whole is connected with fender shoulder 12 of loop configuration, and the design is convenient for lower clutch 5 and outer tube 4 fixed connection like this.
One end of the lower joint 5, which is far away from the outer pipe 4, is connected with a connecting sleeve 13 with an annular longitudinal section through threads, and one end of the connecting sleeve 13, which is far away from the outer pipe 4, is connected with an oil pipe 7 with a certain length through threads, so that the design can increase the accommodation of solid-phase objects.
One end of the oil pipe 7, which is far away from the outer pipe 4, is connected with a ball valve 8, so that the settled solid-phase objects can be discharged.
One end of the conversion joint 2, which is far away from the outer pipe 4, is connected with an upper joint 1 through threads, and the upper joint 1 is communicated with a tail pipe on the tubular pump, so that the design is convenient for the output of the liquid of the inner pipe 3.
The outer diameter of the outer pipe 4 is consistent with the outer diameter of a tail pipe on the tubular pump, so that the occurrence of blockage accidents is reduced.
The whole inner tube 3 is processed by a round seamless steel tube.
When in use, the device is connected to a tail pipe of a well completion, fluid (slurry) in a well enters the device through a side hole (a first through hole 10) of a settling cylinder (an outer pipe 4) in the production process, and goes down in a rotational flow mode through a rotational flow guide wing, solid-phase objects carried by the fluid flow enter the device together, the solid-phase objects are blocked outside a flow-passing sieve pipe (an inner pipe 3) under the action of the height difference of the liquid level, and the solid-phase objects are gradually settled between the settling cylinder and the sieve pipe or in the tail pipe (an oil pipe 7);
during secondary operation, collected solid-phase objects are brought to the ground together with the pipe column (outer pipe 4), and in order to prevent residual liquid in the tail pipe from causing pollution, the liquid is guided into the sleeve pipe through the guide pipe (one end of the guide pipe is communicated with the ball valve 8, and the other end of the guide pipe is communicated with the sleeve pipe), so that the purposes of eliminating the influence of the solid-phase objects and clearing the solid-phase objects are achieved.
The utility model discloses a set up whirl guide fixed wing, realized the rotation and the direction to the thick liquid, through the difference in height that sets up the inside and outside pipe, realized the deposit to the solid phase thing, the utility model discloses convenient operation has effectively reduced the well rate of lying that the solid phase object caused, has practiced thrift the operating cost, has prolonged well operation cycle, has improved construction quality, and this device is applicable to all oil wells, has higher application and spreading value.
Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.
Claims (10)
1. Formula solid phase object hinders in pit and drags for integrative device is subsided to whirl, its characterized in that: the device comprises an outer tube (4), wherein one end of the outer tube (4) is connected with a sedimentation unit for depositing solid-phase objects, an inner tube (3) is coaxially assembled in the outer tube (4), and a guide unit for preventing the solid-phase objects from being in the inner tube (3) is arranged on the inner tube (3).
2. The integrative device of solid phase body hinders and drags for in whirl sedimentation formula pit of claim 1 characterized in that: the outer pipe (4) is provided with a first through hole (10) facilitating the entry of fluid.
3. The rotational flow sedimentation type downhole solid-phase object drag-fishing integrated device according to claim 2, characterized in that: the length of the inner pipe (3) is less than that of the outer pipe (4).
4. The rotational flow sedimentation type downhole solid-phase object drag-fishing integrated device according to claim 3, characterized in that: the guiding unit comprises swirl guide fixed wings (9) for guiding the fluid.
5. The rotational flow sedimentation type downhole solid-phase object drag-fishing integrated device according to claim 4, characterized in that: the rotational flow guide fixed wing (9) is of a spiral structure.
6. The rotational flow sedimentation type downhole solid-phase object drag-fishing integrated device according to claim 5, characterized in that: the included angle between the tangent of the rotational direction of the rotational flow guide fixed wing (9) and the axis of the inner pipe (3) is 75 +/-5 degrees.
7. The rotational flow sedimentation type downhole solid-phase object drag-fishing integrated device according to claim 6, characterized in that: and a second through hole (11) is formed in the inner pipe (3), and the second through hole (11) is of a strip-shaped structure.
8. The rotational flow sedimentation type downhole solid-phase object drag-fishing integrated device according to claim 7, characterized in that: the width of the second through hole (11) is 2 +/-0.1 mm.
9. The integrative device of solid phase body hinders and drags for in whirl sedimentation formula pit of claim 8, characterized in that: the outer pipe (4) is connected with a lower joint (5), and the lower joint (5) is provided with a retaining shoulder (12) with an annular structure.
10. The integrative device of solid phase body hinders and drags for in whirl sedimentation formula pit of claim 9, characterized in that: the lower joint (5) is connected with an oil pipe (7) for accommodating solid-phase objects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666758.7U CN209990468U (en) | 2019-05-10 | 2019-05-10 | Rotational flow sedimentation type underground solid-phase object drag-drag integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666758.7U CN209990468U (en) | 2019-05-10 | 2019-05-10 | Rotational flow sedimentation type underground solid-phase object drag-drag integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990468U true CN209990468U (en) | 2020-01-24 |
Family
ID=69293773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920666758.7U Expired - Fee Related CN209990468U (en) | 2019-05-10 | 2019-05-10 | Rotational flow sedimentation type underground solid-phase object drag-drag integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990468U (en) |
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2019
- 2019-05-10 CN CN201920666758.7U patent/CN209990468U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |