CN112709544A - Horizontal well sand washing pen point - Google Patents
Horizontal well sand washing pen point Download PDFInfo
- Publication number
- CN112709544A CN112709544A CN201911023780.0A CN201911023780A CN112709544A CN 112709544 A CN112709544 A CN 112709544A CN 201911023780 A CN201911023780 A CN 201911023780A CN 112709544 A CN112709544 A CN 112709544A
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- sand washing
- horizontal well
- nozzle
- mandrel
- speed limiter
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- 239000004576 sand Substances 0.000 title claims abstract description 84
- 238000005406 washing Methods 0.000 title claims abstract description 62
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a horizontal well sand washing pen point, which comprises: a main body; the speed limiter assembly comprises a speed limiter mandrel, one end of the speed limiter mandrel is coaxially connected with one end of the main body, and the speed limiter mandrel can rotate relative to the main body; the nozzle body is fixedly connected with the other end of the speed limiter mandrel, a plurality of nozzles are arranged at intervals on the nozzle body, and the nozzle body can drive the speed limiter mandrel to rotate; and the disturbance sheet is fixedly arranged on the periphery of the nozzle body and is positioned at the downstream position of the plurality of nozzles. The horizontal well sand washing device has the advantages that the horizontal well sand washing device can impact and damage sand at the bottom of the horizontal section of the horizontal well, carries out omnibearing sand washing on the horizontal well, can accelerate sand washing speed, has good sand washing effect, can bring sand-containing sand washing liquid back to the horizontal section, avoids the defect that sand is brought back to the stratum, and meets the sand washing requirements of most horizontal wells.
Description
Technical Field
The invention relates to the field of oil well sand washing and discharging in oil extraction engineering, in particular to a horizontal well sand washing pen point.
Background
Along with the increasing function of horizontal wells in the field of crude oil production, the sand production of the horizontal wells is an inevitable production problem, and the sand prevention and sand washing treatment of the horizontal wells is commonly used in engineering. The existing sand washing pen points are designed for sand washing of a vertical well, and no special sand washing pen point is provided for a horizontal well. The horizontal well section of horizontal well is longer, and the sand body can gather in oil reservoir sleeve pipe's lower half usually, and conventional sand washing nib only effectively washes out the sand in common nib the place ahead, nevertheless, does not very ideal to lower part sand body effect, and the scene lacks the special sand washing instrument that handles to lower part sand body.
Disclosure of Invention
The invention provides a horizontal well sand washing pen point, which achieves the purpose of horizontal well sand washing.
The technical scheme adopted by the invention for solving the technical problems is as follows: a horizontal well sand washing nib comprising: a main body; the speed limiter assembly comprises a speed limiter mandrel, one end of the speed limiter mandrel is coaxially connected with one end of the main body, and the speed limiter mandrel can rotate relative to the main body; the nozzle body is fixedly connected with the other end of the speed limiter mandrel, a plurality of nozzles are arranged at intervals on the nozzle body, and the nozzle body can drive the speed limiter mandrel to rotate; and the disturbance sheet is fixedly arranged on the periphery of the nozzle body and is positioned at the downstream position of the plurality of nozzles.
Furthermore, the speed limiter assembly further comprises a speed limiter shell, one end of the speed limiter shell is fixedly connected with the periphery of one end of the main body, and one end of the speed limiter mandrel is located inside the speed limiter shell and can be rotatably connected with one end of the main body.
Furthermore, the speed limiter assembly further comprises a supporting bearing, and the supporting bearing is sleeved on the periphery of one end of the speed limiter mandrel and located inside the speed limiter shell.
Furthermore, the support bearings are a pair, the support bearings are arranged at two ends inside the speed limiter shell at intervals, and the speed limiter assembly further comprises a friction body and is located between the pair of support bearings.
Further, the nozzle includes a first nozzle, and an axis of the first nozzle is perpendicular to an axis of the nozzle body.
Further, the nozzle body includes at least one first nozzle pair, the first nozzle pair includes two first nozzles, and the axes of the two first nozzles are collinear in the same first nozzle pair.
Further, the nozzle comprises a second nozzle, and the included angle between the axis of the second nozzle and the axis of the nozzle body is from degree to degree.
Further, the number of the second nozzles is at least two.
Further, the main body includes: one end of the central tube is connected with the speed limiter assembly, and the periphery of the central tube is provided with a clamping step; the righting body is sleeved outside the central pipe and is abutted against the clamping step; and the compression ring is sleeved outside the central pipe and can compress the centralizing body at the clamping step.
Further, the main body further comprises an upper joint arranged at the other end of the central tube.
The horizontal well sand washing device has the advantages that the horizontal well sand washing device can impact and damage sand at the bottom of the horizontal section of the horizontal well, carries out omnibearing sand washing on the horizontal well, can accelerate sand washing speed, has good sand washing effect, can bring sand-containing sand washing liquid back to the horizontal section, avoids the defect that sand is brought back to the stratum, and meets the sand washing requirements of most horizontal wells.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numbers in the figures: 1. a central tube; 2. pressing a ring; 3. a body is straightened; 4. a governor housing; 5. a speed limiter mandrel; 6. a friction body; 7. a nozzle; 8. a nozzle body; 9. a disturbance plate; 10. a support bearing; 11. and (4) an upper connector.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the embodiment of the invention provides a horizontal well sand washing pen point, which comprises a main body, a speed limiter assembly, a nozzle body 8 and a disturbance piece 9. The overspeed governor subassembly includes overspeed governor dabber 5, and the one end of overspeed governor dabber 5 and the one end coaxial coupling of main part, and overspeed governor dabber 5 can rotate for the main part. Nozzle body 8 and the other end fixed connection of overspeed governor dabber 5 are provided with nozzle 7 that a plurality of intervals set up on nozzle body 8, and nozzle body 8 can drive overspeed governor dabber 5 and rotate. The disturbance plate 9 is fixedly provided on the outer periphery of the nozzle body 8 at a position downstream of the plurality of nozzles 7.
The embodiment of the invention can impact and destroy sand at the bottom of the horizontal section of the horizontal well, carry out omnibearing sand washing on the horizontal well, accelerate the sand washing speed, has good sand washing effect, and simultaneously can bring sand-containing sand washing liquid back to the horizontal section, thereby avoiding the defect that sand is brought back to the stratum, and further meeting the sand washing requirements of most horizontal wells.
It should be noted that the disturbance piece 9 is connected to the nozzle body 8 by welding, and the disturbance piece is used to drive the liquid upward (here, the upper side is the left side in fig. 1).
Specifically, the governor assembly further includes a governor housing 4, a support bearing 10, and a friction body 6. One end of the speed governor housing 4 is fixedly connected with the periphery of one end of the main body, and one end of the speed governor mandrel 5 is positioned inside the speed governor housing 4 and is rotatably connected with one end of the main body. The support bearing 10 is sleeved on the periphery of one end of the speed limiter mandrel 5 and is positioned inside the speed limiter shell 4. In the embodiment of the invention, the supporting bearings 10 are a pair and are arranged at two ends of the inner part of the speed limiter shell 4 at intervals, and the friction body 6 is positioned between the pair of supporting bearings 10.
It should be noted that the speed governor housing 4 is connected with the periphery of one end of the main body by a screw thread or other fixing methods, the speed governor housing 4 relatively fixes the speed governor spindle 5 in the main body, the main body is rotatably connected with the shaft connecting part of the speed governor spindle, and the speed governor spindle 5 can freely move around the central line thereof. The friction body 6 is relatively fixed inside the governor housing 4.
The nozzles 7 include a first nozzle and a second nozzle. The axis of the first nozzle is perpendicular to the axis of the nozzle body 8. The angle between the axis of the second nozzle and the axis of the nozzle body 8 is 35 ° to 55 °.
The main function of the first nozzle is to play a torque role, so that the speed limiter mandrel 5 rotates, and a certain sand washing effect is achieved. The second nozzle is 45 degrees to the axis and mainly plays a role in sand washing.
Preferably, the nozzle body 8 comprises at least one first nozzle pair comprising two first nozzles, and the axes of the two first nozzles are collinear in the same first nozzle pair. The number of the second nozzles is at least two, and the second nozzles are arranged on the nozzle body 8 at intervals.
It should be noted that in the present embodiment, the nozzle body 8 is connected with the governor spindle 5 by a screw thread or other fixing means, the nozzles 7 are uniformly distributed on the radial circumference of the nozzle body 8, the nozzle 7 includes two first nozzles and two second nozzles, and one second nozzle is arranged between the two first nozzles at an interval.
As shown in fig. 1, the main body comprises a central tube 1, a press ring 2, a centralizer 3 and an upper joint 11. One end and the overspeed governor subassembly of center tube 1 are connected, and the periphery of center tube 1 has the joint step. The centralizing body 3 is sleeved outside the central tube 1 and is abutted against the clamping step. The clamping ring 2 is sleeved outside the central tube 1 and can tightly press the righting body 3 at the clamping step. The upper joint 11 is arranged at the other end of the central tube 1.
The middle part of center tube 1 is the through-hole, and upper portion and lower part car have the external screw thread in order to be connected together with other parts conveniently, and the lower extreme periphery of center tube 1 has the joint step, and the lower part of upper portion screw thread car has the great screw thread of major diameter simultaneously. The centralizing body 3 is sleeved on the central tube 1, the lower end of the centralizing body is in contact with a clamping step of the central tube 1, the tail end of the centralizing body is relatively fixed outside the central tube 1 by the pressing ring 2, the centralizing body 3 is not solid, the centralizing body 3 is composed of a plurality of blocks, fluid can pass through the blocks, and the form of the centralizing body is not limited to one form. When the sand washing device is put into a preset position of an oil well during working, sand washing liquid is injected into the central pipe 1, the throttling function of the nozzle body 8 is achieved, part of the fluid is used for rotating the nozzle body 8 under the action of the nozzle 7, and the rest of the fluid is used for sand washing operation. Due to the interaction of the speed governor shell 4 and the friction body 6, the rotating speed of the speed governor mandrel 5 is limited, the atomization of the sand washing liquid is further prevented, and the sand washing effect is ensured.
Meanwhile, due to the action of the disturbance piece 9, the sand-containing liquid flows along the direction of the upper joint 11 outside the central pipe 1, and then the sand-containing sand washing liquid drives the part above the horizontal section, so that the defect that the sand body is pressed back to the stratum in the conventional sand washing operation is avoided, and the sand washing effect is ensured.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the embodiment of the invention can impact and destroy sand at the bottom of the horizontal section of the horizontal well, carry out omnibearing sand washing on the horizontal well, accelerate the sand washing speed, has good sand washing effect, and simultaneously can bring sand-containing sand washing liquid back to the horizontal section, thereby avoiding the defect that sand is brought back to the stratum, and further meeting the sand washing requirements of most horizontal wells.
The sand washing device is not only suitable for horizontal well sand washing, but also suitable for vertical wells, can wash sand in all directions for oil wells, can improve the sand washing speed, does not increase the operation cost and the operation difficulty, and is favorable for popularization and application.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (10)
1. The utility model provides a horizontal well sand washing nib which characterized in that includes:
a main body;
the speed limiter assembly comprises a speed limiter mandrel (5), one end of the speed limiter mandrel (5) is coaxially connected with one end of the main body, and the speed limiter mandrel (5) can rotate relative to the main body;
the nozzle body (8) is fixedly connected with the other end of the speed governor mandrel (5), a plurality of nozzles (7) arranged at intervals are arranged on the nozzle body (8), and the nozzle body (8) can drive the speed governor mandrel (5) to rotate;
and an interference piece (9) which is fixedly arranged on the outer periphery of the nozzle body (8) and is positioned at the downstream position of the plurality of nozzles (7).
2. The horizontal well sand washing nib according to claim 1, wherein the governor assembly further comprises a governor housing (4) having one end fixedly connected to an outer periphery of one end of the main body, and one end of a governor mandrel (5) is located inside the governor housing (4) and rotatably connected to one end of the main body.
3. The horizontal well sand washing pen point of claim 2 is characterized in that the speed governor assembly further comprises a support bearing (10) which is sleeved on the periphery of one end of the speed governor mandrel (5) and is positioned inside the speed governor housing (4).
4. The horizontal well sand washing pen tip of claim 3 is characterized in that a pair of support bearings (10) are arranged at two ends inside the speed limiter housing (4) at intervals, the speed limiter assembly further comprises a friction body (6), and the friction body (6) is located between the pair of support bearings (10).
5. Horizontal well sand washing nib according to claim 1, characterized in that the nozzle (7) comprises a first nozzle with an axis perpendicular to the axis of the nozzle body (8).
6. Horizontal well sand washing nib according to claim 5, characterized in that said nozzle body (8) comprises at least one first nozzle pair comprising two first nozzles, the axes of the two first nozzles being collinear in the same first nozzle pair.
7. Horizontal well sand washing pen nib according to claim 1, characterized in that the nozzle (7) comprises a second nozzle with an axis that is at an angle of 35 ° to 55 ° to the axis of the nozzle body (8).
8. The horizontal well sand washing nib of claim 7, wherein the number of the second nozzles is at least two.
9. The horizontal well sand washing nib of claim 1, wherein the body comprises:
one end of the central tube (1) is connected with the speed limiter assembly, and the periphery of the central tube (1) is provided with a clamping step;
the righting body (3) is sleeved outside the central tube (1) and is abutted against the clamping step;
and the pressing ring (2) is sleeved outside the central tube (1) and can tightly press the centering body (3) at the clamping step.
10. Horizontal well sand washing nib according to claim 1, characterized in that the body further comprises an upper joint (11) arranged at the other end of the central tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911023780.0A CN112709544A (en) | 2019-10-25 | 2019-10-25 | Horizontal well sand washing pen point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911023780.0A CN112709544A (en) | 2019-10-25 | 2019-10-25 | Horizontal well sand washing pen point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112709544A true CN112709544A (en) | 2021-04-27 |
Family
ID=75540713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911023780.0A Pending CN112709544A (en) | 2019-10-25 | 2019-10-25 | Horizontal well sand washing pen point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112709544A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559825U (en) * | 2013-09-16 | 2014-04-23 | 新疆华油技术服务股份有限公司 | Horizontal well rotational flow sand removal device |
| CN203729917U (en) * | 2013-12-31 | 2014-07-23 | 中国石油天然气股份有限公司 | Sand removing pen point |
| CN204457510U (en) * | 2014-12-31 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of sand-washing pen point |
| WO2016100497A1 (en) * | 2014-12-16 | 2016-06-23 | Sumrall Ernest Newton | Borehole conditioning tools |
| CN205503056U (en) * | 2015-10-27 | 2016-08-24 | 中国石油大学(北京) | High -efficient sand washing device of rotary jetting of horizontal well |
| CN207829859U (en) * | 2017-12-25 | 2018-09-07 | 延长油田股份有限公司志丹采油厂 | A kind of horizontal well swirl injection throttling sand-washing pen point |
| CN208294468U (en) * | 2018-05-28 | 2018-12-28 | 中石化石油工程技术服务有限公司 | Horizontal well sand washing tool |
| CN208473740U (en) * | 2018-06-20 | 2019-02-05 | 中国石油天然气股份有限公司 | Horizontal well sand washing pen tip |
| CN209339877U (en) * | 2019-01-14 | 2019-09-03 | 陕西延长石油(集团)有限责任公司研究院 | Horizontal well sand washing auxiliary tool |
-
2019
- 2019-10-25 CN CN201911023780.0A patent/CN112709544A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559825U (en) * | 2013-09-16 | 2014-04-23 | 新疆华油技术服务股份有限公司 | Horizontal well rotational flow sand removal device |
| CN203729917U (en) * | 2013-12-31 | 2014-07-23 | 中国石油天然气股份有限公司 | Sand removing pen point |
| WO2016100497A1 (en) * | 2014-12-16 | 2016-06-23 | Sumrall Ernest Newton | Borehole conditioning tools |
| CN204457510U (en) * | 2014-12-31 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of sand-washing pen point |
| CN205503056U (en) * | 2015-10-27 | 2016-08-24 | 中国石油大学(北京) | High -efficient sand washing device of rotary jetting of horizontal well |
| CN207829859U (en) * | 2017-12-25 | 2018-09-07 | 延长油田股份有限公司志丹采油厂 | A kind of horizontal well swirl injection throttling sand-washing pen point |
| CN208294468U (en) * | 2018-05-28 | 2018-12-28 | 中石化石油工程技术服务有限公司 | Horizontal well sand washing tool |
| CN208473740U (en) * | 2018-06-20 | 2019-02-05 | 中国石油天然气股份有限公司 | Horizontal well sand washing pen tip |
| CN209339877U (en) * | 2019-01-14 | 2019-09-03 | 陕西延长石油(集团)有限责任公司研究院 | Horizontal well sand washing auxiliary tool |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |