CN201687420U - Rotary injection tool applicable to borehole operation in oil and gas field - Google Patents
Rotary injection tool applicable to borehole operation in oil and gas field Download PDFInfo
- Publication number
- CN201687420U CN201687420U CN2010201531043U CN201020153104U CN201687420U CN 201687420 U CN201687420 U CN 201687420U CN 2010201531043 U CN2010201531043 U CN 2010201531043U CN 201020153104 U CN201020153104 U CN 201020153104U CN 201687420 U CN201687420 U CN 201687420U
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- central axis
- wall
- bearing
- rotary body
- axle sleeve
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- 238000002347 injection Methods 0.000 title abstract description 5
- 239000007924 injection Substances 0.000 title abstract description 5
- 239000007921 spray Substances 0.000 claims abstract description 32
- 238000005406 washing Methods 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 9
- 238000002513 implantation Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000005554 pickling Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a rotary injection tool applicable to borehole operation in an oil and gas field, which is applied to the washing and unblocking of the shaft, the borehole wall and bore holes of an oil and gas well. The inner wall of a connecting bushing is provided with a thread and connected with a central shaft, and the lower end thereof is fixed with a bearing shell; and a bearing is arranged between the inner wall of the bearing shell and the outer wall of the central shaft. The lower end of the bearing shell is provided with a limit bushing; a shaft bushing is arranged between the inner wall of the limit bushing and the outer wall of the central shaft; the lower end of the central shaft is fixed with a nut cap; a planar bearing is arranged between the nut cap and the inner end surface of the shaft bushing; the lower end of the shaft bushing is in thread connection with a revolving body; the wall of the revolving body is horizontally and uniformly provided with revolving spray holes, the directions of which are identical; and the center hole at the lower end of the revolving body is internally fixed with a nozzle holder and a nozzle. The rotary injection tool applicable to borehole operation in the oil and gas field has the effects that high-pressure fluid sprays out from the revolving spraying holes at the periphery of the revolving body so as to enable the revolving body to revolve reversely, thus realizing the fully-dimensional washing of the perforation and borehole of the shaft; and simultaneously the nozzle can realize negative pressure difference sand washing and unblockage of storage layers at the bottom of the shaft during the process of negative pressure sand washing operation.
Description
Technical field
The utility model relates to well workover technology field, oil field, being particularly related to a kind of down-hole special tool that is applied to the cleaning and the de-plugging of oil gas well shaft, the borehole wall and borehole, is the rotation implantation tool that a kind of and sand clean out pipe column kit can be applied to the oil-gas field downhole operation of negative pressure sand washing construction operation.
Background technology
In water flooding or the acidization, main adopt be by the ground high-pressure pump by waterflood-transmission line and implantation tool to stratum squeeze note water under high pressure or acidifying solution.In the construction of the cleaning of oil gas well shaft, the borehole wall and borehole and de-plugging, need implantation tool be sent in the well by working string, inject cleaning fluid on ground.The down-hole implantation tool is a pipe nipple that has tubing round thread up and down at present, have 2～4 holes on the tool body, this instrument does not influence acidifying solution and enters the stratum, but in oil gas well shaft, the borehole wall and perforation washing and de-plugging construction, on the instrument with eyelet can't rotate automatically or move, can only realize moving by ground turning tool or Drag tool, can only be to implementing to clean and de-plugging with the eyelet corresponding several places pit shaft or the borehole wall.
At present, the down-hole implantation tool is considerably less, and the function imperfection can only play the water filling effect.
Chinese patent notification number: CN201125722Y.A kind of down-hole pressure pulse fluid injection instrument is provided.Be a kind of pressure in liquid-storing cavity when reaching the opening pressure that pulsed flow output control valve sets, control valve is opened, and produces pulsing jet.Rely on and inject liquid realization work automatically, do not rely on the ground power-equipment; The cycle, the pressure width of cloth parameter that produce pulsed flow can be regulated, and inject construction but can not be used for casing deformation well.
Summary of the invention
The purpose of this utility model is: a kind of rotation implantation tool that is applicable to oil-gas field downhole operation is provided, this instrument is gone under the fluid effect at surface pump in carrying out pit shaft perforation cleaning and de-plugging operation, the rotary body of rotation implantation tool produces turning effort under the fluid effect of certain pressure, utilize rotary body self rotation to realize to the omnibearing thorough cleaning of pit shaft borehole, acid solution is compared this instrument with conventional pickling operation and can be carried out pickling to pit shaft more completely along the circumference radial spray.
The technical solution adopted in the utility model is: the rotation implantation tool that is applicable to oil-gas field downhole operation, mainly form by adapter sleeve, central axis, bearing shell, bearing, stop collar, axle sleeve, rotary body, sand washing, nozzle, nut and plane bearing, adapter sleeve is cylindric, there is screw thread the upper end of adapter sleeve, can go into well according to the lower end that the down-hole construction requirement is connected operating tool string.It is characterized in that: screw thread is arranged on the wall of adapter sleeve and connect a central axis.The central axis outer wall is that four ladder cylinders are formed, and central axis has central through hole, injects a rotating body that liquid can enter the bottom by the central axis central through hole.There is internal thread lower end at adapter sleeve, is fixed with the bearing shell on the internal thread of adapter sleeve lower end, and the bearing shell is cylindric, in the annular space of the upper end of bearing shell between second cylinder outer wall of central axis and adapter sleeve inwall.Between the 3rd cylinder outer wall of bearing outer casing inner wall and central axis, bearing is arranged.Bearing is double-direction thrust ball bearing (GB302-64).Internal thread is connected with stop collar in the lower end of bearing shell, and stop collar has centre bore for the cylinder bodily form.The last planar top of stop collar is pressed on the bearing lower plane.Between stop collar inwall and central axis the 4th cylinder outer wall annular space is arranged.In the annular space between stop collar inwall and central axis the 4th cylinder outer wall axle sleeve is arranged.In the annular space of the top of axle sleeve between bearing and central axis the 4th cylinder outer wall.Central axis the 4th cylinder passes the axle sleeve centre bore.In central axis the 4th cylindrical lower end screw thread is arranged, on the screw thread of central axis the 4th cylindrical lower end, be fixed with nut.Between nut and axle sleeve inner face plane bearing is arranged, plane bearing is enclosed within on central axis the 4th cylinder outer wall.Nut is fixed on central axis the 4th cylinder lower end with plane bearing.There is screw thread the axle sleeve lower end, the axle sleeve lower end rotary body that is threaded.Rotary body is cylindrical, and there is centre bore at the rotary body middle part, and level is evenly distributed with the rotation spray orifice on the wall of rotary body, and the direction of rotation spray orifice is identical.Be fixed with nozzle carrier in the centre bore of the lower end of rotary body, nozzle carrier has centre bore, is fixed with nozzle in the nozzle carrier centre bore.When highly pressurised liquid during from the ejection of the rotation spray orifice of rotary body, highly pressurised liquid produces reaction force, promotes the rotary body rotation.Rotary body drives the axle sleeve rotation on top.Plane bearing can reduce rotational resistance; Bearing plays the effect of setting upright the axle sleeve top.The highly pressurised liquid of rotary body rotation spray orifice ejection is realized the pickling to the borehole wall and borehole; The highly pressurised liquid of nozzle ejection is realized the negative pressure injection.
In order to improve sealing performance, between bearing shell and second cylinder outer wall of central axis, sealing ring is arranged; At the stop collar inwall and set upright sealing ring is arranged between the axle sleeve.
Described rotary body rotation spray orifice is distributed with layer, and every layer of rotation spray orifice is staggered; Every layer has a rotation spray orifice, and the diameter of each rotation spray orifice is 3 millimeters.The center line and the rotary body radial centre lines of rotation spray orifice intersect on the rotary body center bore inner wall, and the center line of rotation spray orifice and the angle of rotary body center line are 37 degree.
The beneficial effects of the utility model: the utility model is applicable to the rotation implantation tool of oil-gas field downhole operation, oil pipe inner high voltage fluid is from the rotation spray orifice ejection of rotary body circumference in construction, produce reaction force, make rotary body to opposite spin, rely on the comprehensive cleaning of rotary body rotation realization pit shaft perforation well; Rotating body interior lower end nozzle application can be set up the pressure that is lower than oil reservoir in the shaft bottom and realize the Negative Pressure Difference sand washing when negative pressure sand washing operation simultaneously, and the effect of dependence fluid power is broken up the interior stifled thing of well and carried out well, realizes the effect of reservoir blockages relieving.Because this utility model patent down-hole rotation implantation tool can be implemented in rotary-jet pickling under the pressure effect, can thoroughly clean de-plugging to the pit shaft borehole, rotate the short and small compactness of implantation tool structure in addition, pit shaft pickling effect in horizontal well, heavy oil wells is very obvious, five wells are at the scene tried out and have all been obtained success at present, effectively remove pit shaft and cleaned and de-plugging, improved the individual well daily fluid production rate.
Description of drawings
Fig. 1 is the rotation implantation tool structural profile schematic diagram that the utility model is applicable to oil-gas field downhole operation.
Fig. 2 is that rotary body 8 half of the present utility model cuts open schematic diagram.
Fig. 3 is the A-A sectional drawing of Fig. 2.
Among the figure, 1. adapter sleeve, 2. central axis, 3. sealing ring, 4. bearing shell, 5. bearing, 6. stop collar, 7. axle sleeve, 8. rotary body, 9. nozzle carrier, 10. nozzle, 11. nuts, 12. plane bearings, 13. rotation spray orifices.
The specific embodiment
Embodiment 1: use 5 with one
1/
2" the rotation implantation tool that is applicable to oil-gas field downhole operation of cased well is an example, and the utility model is described in further detail.
Consult Fig. 1.The utility model is applicable to the rotation implantation tool of oil-gas field downhole operation, mainly is made up of adapter sleeve 1, central axis 2, bearing shell 4, bearing 5, stop collar 6, axle sleeve 7, rotary body 8, sand washing 9, nozzle 10, nut 11 and plane bearing 12.
There is internal thread lower end at adapter sleeve 1, is fixed with a bearing shell 4 on the adapter sleeve 1 lower end internal thread, and bearing shell 4 is cylindric, maximum outside diameter 114mm.In the annular space of the upper end of bearing shell 4 between 2 second cylinder outer walls of central axis and adapter sleeve 1 inwall.Between bearing shell 4 and 2 second cylinder outer walls of central axis, two seals circle 3 is arranged.Between the 3rd cylinder outer wall of bearing shell 4 inwalls and central axis 2, bearing 5 is arranged.Bearing 5 is double-direction thrust ball bearings (GB302-64).Internal thread is connected with stop collar 6 in the lower end of bearing shell 4, and stop collar 6 is cylinder bodily form external diameter 114mm, and stop collar 6 has centre bore.The last planar top of stop collar 6 is pressed on bearing 5 lower planes.Between stop collar 6 inwalls and central axis 2 the 4th cylinder outer wall annular space is arranged.In the annular space between stop collar 6 inwalls and central axis 2 the 4th cylinder outer wall axle sleeve 7 is arranged.With setting upright sealing ring 3 and three seals ring are arranged between the axle sleeve 7 at stop collar 6 inwalls.In the annular space of the top of axle sleeve 7 between bearing 5 and central axis 2 the 4th cylinder outer wall.Central axis 2 the 4th cylinder passes axle sleeve 7 centre bores.In central axis 2 the 4th cylindrical lower end screw thread is arranged, on the screw thread of central axis 2 the 4th cylindrical lower end, be fixed with nut 11.Between nut 11 and axle sleeve 7 inner faces plane bearing 12 is arranged, plane bearing 12 is enclosed within on central axis 2 the 4th cylinder outer wall.Nut 11 is fixed on central axis 2 the 4th cylinder lower end with plane bearing 12.There is screw thread axle sleeve 7 lower ends, the axle sleeve 7 lower ends rotary body 8 that is threaded.
Consult Fig. 2.Rotary body 8 is cylindrical, rotary body 8 external diameter 100mm, internal diameter 60mm.There is centre bore at rotary body 8 middle parts, and level is evenly distributed with oblique rotation spray orifice 13 on the wall of rotary body 8, and the direction of rotation spray orifice 13 is identical.Rotary body 8 rotation spray orifices 13 distribute and are of five storeys, and are staggered between every layer of rotation spray orifice 13; Every layer has 16 rotation spray orifices 13, and the diameter of each rotation spray orifice 13 is 3 millimeters.Consult Fig. 3.The center line and rotary body 8 radial centre lines of rotation spray orifice 13 intersect on rotary body 8 center bore inner walls, and the center line of rotation spray orifice 13 and the angle of rotary body 8 center lines are 37 degree.
Consult Fig. 1.Be fixed with a nozzle carrier 9 in the centre bore of the lower end of rotary body 8, nozzle carrier 9 has centre bore, is fixed with nozzle 10 in nozzle carrier 9 centre bores.Nozzle carrier 9 adopts screw thread to be fixed in the lower end centre bore of rotary body 8.Nozzle 10 adopts a jackscrew that has centerline hole that nozzle 10 is fixed in the nozzle carrier 9.The structure of nozzle carrier 9 and nozzle 10, those skilled in the art can realize, not be described in detail.
The utility model is applied to 5
1/
2" cased well and the pit shaft de-plugging operation of horizontal well down-hole, so maximum outside diameter size value 114mm, minimum diameter 24mm, length overall 715mm.The tool construction compactness, reliable operation, flexible.This utility model patent down-hole rotation implantation tool design principles is the applied fluid mechanics principle of reaction, according to viscous fluid flow specificity analysis fluid energy variation and drag losses when oblique eyelet flows, the different conversions of fluid pressure energy and kinetic energy, the pressure and the speed of highly pressurised liquid are increased, energy variation part kinetic energy through the rotation spray orifice is converted into motive force, thereby realizes rotary body 8 rotations; Axial load when adopting plane bearing 12 to bear duty in design.
Be applicable to 5
1/
2" perforation washing of cased well down-hole and pit shaft de-plugging operation, maximum rigid body external diameter 114mm.
Claims (3)
1. rotation implantation tool that is applicable to oil-gas field downhole operation, mainly form by adapter sleeve (1), central axis (2), bearing shell (4), bearing (5), stop collar (6), axle sleeve (7), rotary body (8), sand washing (9), nozzle (10), nut (11) and plane bearing (12), adapter sleeve (1) is cylindric, and there is screw thread the upper end of adapter sleeve (1); It is characterized in that: on the inwall of adapter sleeve (1) screw thread is arranged and connect a central axis (2), central axis (2) outer wall is that four ladder cylinders are formed, central axis (2) has central through hole, there is internal thread lower end at adapter sleeve (1), be fixed with bearing shell (4) on the internal thread of adapter sleeve (1) lower end, bearing shell (4) is cylindric, in the annular space of the upper end of bearing shell (4) between (2) second cylinder outer walls of central axis and adapter sleeve (1) inwall, between the 3rd cylinder outer wall of bearing shell (4) inwall and central axis (2), bearing (5) is arranged, bearing (5) is a double-direction thrust ball bearing, lower end internal thread at bearing shell (4) is connected with stop collar (6), stop collar (6) has centre bore for the cylinder bodily form, the last planar top of stop collar (6) is pressed on bearing (5) lower plane, between stop collar (6) inwall and central axis (2) the 4th cylinder outer wall annular space is arranged, in the annular space between stop collar (6) inwall and central axis (2) the 4th cylinder outer wall axle sleeve (7) is arranged, in the annular space of the top of axle sleeve (7) between bearing (5) and central axis (2) the 4th cylinder outer wall, central axis (2) the 4th cylinder passes axle sleeve (7) centre bore, in central axis (2) the 4th cylindrical lower end screw thread is arranged, on the screw thread of central axis (2) the 4th cylindrical lower end, be fixed with nut (11), between nut (11) and axle sleeve (7) inner face, plane bearing (12) is arranged, plane bearing (12) is enclosed within on central axis (2) the 4th cylinder outer wall, nut (11) is fixed on central axis (2) the 4th cylinder lower end with plane bearing (12), there is screw thread axle sleeve (7) lower end, axle sleeve (7) the lower end rotary body (8) that is threaded, rotary body (8) is cylindrical, there is centre bore at rotary body (8) middle part, level is evenly distributed with rotation spray orifice (13) on the wall of rotary body (8), the direction of rotation spray orifice (13) is identical, in the lower end centre bore of rotary body (8), be fixed with nozzle carrier (9), nozzle carrier (9) has centre bore, is fixed with nozzle (10) in nozzle carrier (9) centre bore.
2. the rotation implantation tool that is applicable to oil-gas field downhole operation according to claim 1 is characterized in that: between bearing shell (4) and (2) second cylinder outer walls of central axis sealing ring (3) is arranged; At stop collar (6) inwall and set upright sealing ring (3) is arranged between the axle sleeve (7).
3. the rotation implantation tool that is applicable to oil-gas field downhole operation according to claim 1 is characterized in that: described rotary body (8) rotation spray orifice (13) is distributed with (5) layer, and every layer of rotation spray orifice (13) is staggered; Every layer has 16 rotation spray orifices (13), the diameter of each rotation spray orifice (13) is (3) millimeter, the center line and rotary body (8) radial centre lines of rotation spray orifice (13) intersect on rotary body (8) center bore inner wall, and the center line of rotation spray orifice (13) and the angle of rotary body (8) center line are 37 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201531043U CN201687420U (en) | 2010-04-07 | 2010-04-07 | Rotary injection tool applicable to borehole operation in oil and gas field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201531043U CN201687420U (en) | 2010-04-07 | 2010-04-07 | Rotary injection tool applicable to borehole operation in oil and gas field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687420U true CN201687420U (en) | 2010-12-29 |
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ID=43375704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201531043U Expired - Lifetime CN201687420U (en) | 2010-04-07 | 2010-04-07 | Rotary injection tool applicable to borehole operation in oil and gas field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687420U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453748A (en) * | 2014-10-24 | 2015-03-25 | 中国石油大学(华东) | The method of detecting the position of perforation hole and cleaning the hole through the change of jet flow field |
| CN110821427A (en) * | 2019-11-20 | 2020-02-21 | 天津大港油田石油工程研究院钻采技术开发有限公司 | Negative pressure screw rod rotation sand washing process pipe column |
| CN111167769A (en) * | 2020-01-19 | 2020-05-19 | 杰瑞能源服务有限公司 | Hydraulic reversing mechanism |
| CN112412367A (en) * | 2019-08-20 | 2021-02-26 | 中国石油天然气股份有限公司 | Downhole descaling device |
| CN113107401A (en) * | 2020-01-13 | 2021-07-13 | 中国石油天然气股份有限公司 | Water injection well washing device and working method thereof |
| CN113338829A (en) * | 2021-06-01 | 2021-09-03 | 中海油田服务股份有限公司 | Rotary speed-limiting jetting tool |
| CN116116836A (en) * | 2023-02-22 | 2023-05-16 | 中国地质大学（武汉） | Pipeline dredging robot |
-
2010
- 2010-04-07 CN CN2010201531043U patent/CN201687420U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453748A (en) * | 2014-10-24 | 2015-03-25 | 中国石油大学(华东) | The method of detecting the position of perforation hole and cleaning the hole through the change of jet flow field |
| CN106351647A (en) * | 2014-10-24 | 2017-01-25 | 中国石油大学(华东) | Hole detection and cleaning method for oil field perforation |
| CN104453748B (en) * | 2014-10-24 | 2017-02-15 | 中国石油大学(华东) | The method of detecting the position of perforation hole and cleaning the hole through the change of jet flow field |
| CN106499382A (en) * | 2014-10-24 | 2017-03-15 | 中国石油大学(华东) | A kind of oil field perforation detection and cleaning method |
| CN112412367A (en) * | 2019-08-20 | 2021-02-26 | 中国石油天然气股份有限公司 | Downhole descaling device |
| CN110821427A (en) * | 2019-11-20 | 2020-02-21 | 天津大港油田石油工程研究院钻采技术开发有限公司 | Negative pressure screw rod rotation sand washing process pipe column |
| CN113107401A (en) * | 2020-01-13 | 2021-07-13 | 中国石油天然气股份有限公司 | Water injection well washing device and working method thereof |
| CN111167769A (en) * | 2020-01-19 | 2020-05-19 | 杰瑞能源服务有限公司 | Hydraulic reversing mechanism |
| CN113338829A (en) * | 2021-06-01 | 2021-09-03 | 中海油田服务股份有限公司 | Rotary speed-limiting jetting tool |
| CN116116836A (en) * | 2023-02-22 | 2023-05-16 | 中国地质大学（武汉） | Pipeline dredging robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |
|
| CX01 | Expiry of patent term |