CN111749632B - High-pressure rotating cleaning drilling and grinding device - Google Patents
High-pressure rotating cleaning drilling and grinding device Download PDFInfo
- Publication number
- CN111749632B CN111749632B CN202010659264.3A CN202010659264A CN111749632B CN 111749632 B CN111749632 B CN 111749632B CN 202010659264 A CN202010659264 A CN 202010659264A CN 111749632 B CN111749632 B CN 111749632B
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- semi
- fluid
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- grinding
- periphery
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- 238000000227 grinding Methods 0.000 title claims abstract description 29
- 238000004140 cleaning Methods 0.000 title claims abstract description 23
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 238000003801 milling Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 6
- 239000003208 petroleum Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 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
-
- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
- E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a high-pressure rotary cleaning drilling and grinding device, which belongs to the technical field of petroleum operation equipment and comprises a grinding shoe alloy and a grinding shoe body, wherein a reducing part is arranged at the top end of the grinding shoe body, a lower joint is arranged on a clamping table at the periphery of the reducing part, a bearing is arranged on a shoulder at the bottom inside the lower joint and sleeved on the reducing part, a bearing ring is connected with a screw thread at the upper part of the reducing part, the periphery of the bearing ring is connected with an inner screw thread at the lower end of a transmission seat, the upper part of the lower joint is connected with the lower part of a shell through a screw thread, a rotor is provided with two layers of semi-elliptical fluid grooves I, a flow guide body is fixed inside the shell, and a layer of semi-elliptical fluid grooves II are arranged on the flow guide body. The high-pressure rotating cleaning drilling and grinding device provided by the invention utilizes drilling and completion fluid as power to generate circumferential rotation and torque, the power is strong, the device can be used for drilling and grinding firm scaling and cemented sand setting, the periphery of a well wall can be cleaned without dead angles by rotating sprayed fluid, and the kinetic energy of the sprayed fluid is completely used for cleaning the well wall, so that the cleaning efficiency is high.
Description
Technical Field
The invention belongs to the technical field of petroleum operation equipment, and particularly relates to a high-pressure rotating cleaning drilling and grinding device.
Background
In the production process of an oil well, ions containing iron, manganese, calcium, magnesium and the like in underground water and oil are subjected to physical and chemical reactions or electrochemical corrosion, so that scaling, wax deposition, sand bridges and the like on a well wall, particularly screen pipes and gravel filling completion sections are difficult to clean. In some wells with serious sand production, the injection is not easy to clean because various chemical substances react and bond at the bottom of the well, and the well needs to drill and grind sand setting.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-pressure rotary cleaning drilling and grinding device.
The invention relates to a high-pressure rotary cleaning drilling and grinding device which comprises a shell, a lower joint and a grinding shoe body, wherein the top end of the grinding shoe body is provided with a reducing part, the periphery of the reducing part is clamped by the upper seat of a table and is provided with the lower joint, and the lower part of the shell is seated on the upper shoulder of the lower joint and is in threaded connection with the lower joint; a bearing is arranged on the bottom shoulder inside the lower joint and is sleeved on the reducing part, the upper part of the reducing part is in threaded connection with a bearing ring, and the periphery of the bearing ring is in threaded connection with the inside of the lower end of the transmission seat arranged in the shell; the periphery of the upper part of the transmission seat is provided with a fixed groove which is in plug-in fit connection with a cylindrical body arranged on the periphery of the lower end of the rotor arranged in the shell, and more than two longitudinal transmission seat water holes are uniformly distributed on the transmission seat; the surface of the rotor is provided with two layers of semi-elliptical fluid grooves I which are arranged at intervals and matched with a flow guide body fixed on the inner wall of the shell, and the flow guide body is provided with a layer of semi-elliptical fluid grooves II which are arranged at intervals; the upper part of the axis of the milling shoe body is provided with a milling shoe hollow part, and the lower part of the axis is uniformly distributed with water holes which are communicated with the bottom of the milling shoe hollow part and are arranged in a radiation way.
As a further improvement of the invention, the bearing ring and the transmission seat are arranged in the middle shoulder of the lower joint and are in clearance fit with the lower joint.
As a further improvement of the invention, a fixing groove is arranged on the periphery of the upper end of the rotor.
As a further improvement of the invention, the semielliptical fluid tank II is arranged between two layers of semielliptical fluid tanks I, the opening direction of the semielliptical fluid tank II is opposite to that of the semielliptical fluid tank I, the outlet of the semielliptical fluid tank I on the upper layer is connected with the inlet of the semielliptical fluid tank II, and the outlet of the semielliptical fluid tank II on the lower layer is connected with the inlet of the semielliptical fluid tank I on the lower layer.
As a further improvement of the invention, the inlet end and the outlet end at the opening of the semielliptical fluid groove II penetrate through the side wall of the flow guiding body.
As a further improvement of the invention, the alloy of the mill shoe is paved and welded at the bottom of the mill shoe body.
The invention relates to a high-pressure rotating cleaning drilling and grinding device, which utilizes drilling and completion fluid as power to generate circumferential rotation and torque, the power is strong, the device can be used for drilling and grinding firm scaling and cemented sand setting, the periphery of a well wall can be cleaned without dead angles by rotating sprayed fluid, kinetic energy of the sprayed fluid is completely used for cleaning the well wall, the sprayed fluid is not used for shunting of other functions, the cleaning force is large, the efficiency is high, and the cross section area and the direction of the spray are adjusted by adjusting the design of grinding shoes according to requirements. The force and the speed for driving the lower grinding shoe or other tools to rotate are improved, so that the application range of the tool is wider, the tool is not only used for cleaning a shaft, but also can be used for drilling and grinding scales, setting sand, falling fish in a well, drilling stratum rocks and the like. The innovative design makes the fluid kinetic energy all act on the cleaning function of the shaft, and has high cleaning efficiency and good effect.
Drawings
FIG. 1 is a schematic longitudinal sectional view of the present invention;
FIG. 2 is a schematic view of the longitudinal section and rotor perspective structure of the invention;
fig. 3 is a schematic view of the structure of the current carrier.
Detailed Description
Example 1
The invention discloses a high-pressure rotary cleaning drilling and grinding device which comprises a shell 10, a lower joint 3 and a grinding shoe body 2. The top end of the grind shoe body 2 is provided with a reducing part 12, the periphery of the reducing part 12 is clamped and seated with a lower joint 3, and the lower part of the shell 10 is seated on an upper shoulder 18 of the lower joint 3 and is connected with the lower joint through a screw thread.
The bottom circular bead 13 of the inside of lower clutch 3 is equipped with bearing 4, bearing 4 suit is on reducing portion 12, and reducing portion 12 upper portion screw thread is connecting bearing ring 5, bearing ring 5 periphery and the inside screw thread of the transmission seat 6 lower extreme of arranging in casing 10 are connected, and bearing ring 5 and transmission seat 6 arrange in the middle part circular bead 17 of lower clutch 3 in and rather than clearance fit. More than one fixing groove is arranged on the periphery of the upper part of the transmission seat 6 and is in insertion fit connection with a cylindrical body arranged on the periphery of the lower end of the rotor 8 arranged in the shell 10, and more than two longitudinal transmission seat water holes 7 are uniformly distributed on the transmission seat 6.
More than one fixing groove is arranged at the upper end of the rotor 8 at intervals. Two layers of semi-elliptical fluid grooves I15 are formed in the surface of the rotor 8, more than two semi-elliptical fluid grooves I15 are arranged at intervals in each layer, a flow guide body 9 is fixed on the periphery of the inner wall of the shell 10 and matched with the rotor 8, a layer of semi-elliptical fluid grooves II 16 (shown in figure 3) which are arranged at intervals are arranged on the outer surface of the flow guide body 9 and arranged between the two layers of semi-elliptical fluid grooves I15, the opening direction of the semi-elliptical fluid grooves II 16 is opposite to the opening direction of the semi-elliptical fluid grooves I15, and inlets a at the openings of the semi-elliptical fluid grooves II 16 are formed in the positions a1And an outlet b1Penetration flow guiding body9 so that the outlet a of the semi-elliptic fluid tank I15 and the inlet a of the semi-elliptic fluid tank II 16 are arranged at the upper layer of the inner part1Outlet b of connected semi-elliptic fluid groove II 161And is connected with the inlet b of the lower semi-elliptical fluid groove I15.
The upper part of the axle center of the milling shoe body 2 is provided with a milling shoe hollow 14, and the lower part of the axle center is uniformly provided with water holes 11 which are communicated with the bottom of the milling shoe hollow 14 and are arranged in a radial mode. The milling shoe can be changed into a drill bit or other tools according to the purpose of the tool, has wide application range, not only can be used for cleaning a shaft, but also can be used for jet drilling and the like.
Example 2
According to the high-pressure rotary cleaning drilling and grinding device, the grinding shoe alloy 1 is paved and welded at the bottom of the grinding shoe body 2, and the water holes 11 are channels for fluid to flow through the hollow part 14 of the grinding shoe and to be sprayed to the outside. The lower joint 3 is connected with the shell 10 through screw threads, a bottom shoulder in the lower joint 3 supports the bearing 4, and a gap is reserved between an upper shoulder 17 and the supporting ring 5, so that a space for assembling the supporting ring 5 and the transmission seat 6 is provided. The bearing 4 is placed on the bottom shoulder 13 of the lower joint 3 and supports the bearing ring 5, so that the friction resistance of the rotation of the bearing ring 5 is reduced. The screw thread inside the bearing ring 5 is connected with the milling shoe body 2, and the screw thread outside is connected with the transmission seat 6 to drive the milling shoe 2 to rotate. The inside of the lower end of the transmission seat 6 is connected with the screw thread of the bearing ring 5, the upper part of the transmission seat is provided with a great wall-shaped groove body which is in inserted fit with the great wall-shaped groove body at the lower end of the rotor 8 and rotates under the driving of the rotor 8, and the outside of the transmission seat 6 is provided with a gap between the sealing ring seal and the lower joint 3. The drive seat port 7 is a passage through which fluid continues to flow downward after flowing through the rotor. The rotor 8 is equipped with two-layer semiellipse shape fluid groove I, and every layer semiellipse shape fluid groove I can design two or more, provides the passageway that the fluid flowed through to and reaction force, drive its rotation, rotor 8 upper end is blind, is equipped with great wall form groove for the frock assembly is gone up and is detained the use. The flow guide body 9 is fixed inside the shell 10, a layer of semi-elliptical fluid groove II is arranged on the flow guide body, the semi-elliptical fluid groove II is arranged between the semi-elliptical fluid grooves I of the rotor 8, the opening direction of the semi-elliptical fluid groove II is opposite to the opening direction of the semi-elliptical fluid grooves I on the rotor 8, and the impact force of fluid is reflected. The housing 10 is an assembly space for providing the current carrier 9 and the rotor 8. The fluid channel area can be designed according to needs, the number and the direction of the water holes can be designed according to purposes, and the fluid kinetic energy is fully used for hydraulic jet operation. The rotor 8 and the guide body 9 are matched, so that the rotating speed is high, the transmission torque is high, the transmission force can be further increased by additionally arranging the semi-elliptical fluid groove I, and the device is used for drilling and grinding solid scale, drilling and breaking rock and the like.
According to the high-pressure rotating cleaning drilling and grinding device, the hydraulic power for drilling and completing the well is utilized, as shown in figure 2, fluid flows to the position of an arrow A through an upper pipe column, and due to the fact that the gap between the outer circle of the upper end of a rotor 8 and the inner circle of the upper end of a flow guide body 9 is small, most of the fluid can only flow downwards to the left end of a semi-elliptical fluid groove along the direction of the arrow A, and the force for clockwise rotation is given to the rotor; the fluid continuously flows downwards to the right and flows to the guide body 9 along the arrow B direction along with the semi-elliptical fluid groove, the guide body 9 is fixed inside the shell 10, the flowing direction of the fluid is changed through the semi-elliptical fluid groove, the direction of the fluid is changed from the right lower part to the left lower part, the fluid flows to the left end of the semi-elliptical fluid groove at the lower part of the rotor 8 along the arrow C direction, and clockwise rotation force is also given to the rotor 8; the fluid continues to flow with the rotor 8 in the direction of the semi-ellipse along the arrow D to the bottom of the rotor 8 through the channels inside the drive seat 6 and the retainer ring 5 to the lower milling shoe body 2. The fluid continues to flow to the water hole 11 through the milling shoe body 2, is sprayed out of the milling shoe through the water hole 11, and is sprayed to the well wall to clean the well shaft. The mill shoe rotates on the rotor 8 through the transmission action of the transmission seat 6 and the bearing ring 5, and transmits torque.
Claims (5)
1. A high-pressure rotary cleaning drilling and grinding device comprises a shell (10), a lower joint (3) and a grinding shoe body (2), and is characterized in that a reducing part (12) is arranged at the top end of the grinding shoe body (2), the lower joint (3) is seated on a clamping table at the periphery of the reducing part (12), and the lower part of the shell (10) is seated on an upper shoulder (18) of the lower joint (3) and is in threaded connection with the lower joint; a bottom shoulder (13) in the lower joint (3) is provided with a bearing (4), the bearing (4) is sleeved on a reducing part (12), the upper part of the reducing part (12) is in threaded connection with a bearing ring (5), and the periphery of the bearing ring (5) is in threaded connection with the inner part of the lower end of a transmission seat (6) arranged in a shell (10); the periphery of the upper part of the transmission seat (6) is provided with a fixed groove which is in plug-in fit connection with a cylindrical body arranged on the periphery of the lower end of the rotor (8) arranged in the shell (10), and more than two longitudinal transmission seat water holes (7) are uniformly distributed on the transmission seat (6); the surface of the rotor (8) is provided with two layers of semi-elliptical fluid grooves I (15) which are arranged at intervals and matched with a flow guide body (9) fixed on the inner wall of a shell (10), the flow guide body (9) is provided with one layer of semi-elliptical fluid grooves II (16) which are arranged at intervals, the semi-elliptical fluid grooves II (16) are arranged between the two layers of semi-elliptical fluid grooves I (15), the opening direction of the semi-elliptical fluid grooves II (16) is opposite to the opening direction of the semi-elliptical fluid grooves I (15), the outlet of the semi-elliptical fluid groove I (15) at the upper layer is connected with the inlet of the semi-elliptical fluid groove II (16), and the outlet of the semi-elliptical fluid groove II (16) at the lower layer is connected with the inlet of the semi-elliptical fluid groove I (15) at the lower layer; the upper part of the axle center of the milling shoe body (2) is provided with a milling shoe hollow part (14), and the lower part of the axle center is uniformly provided with water holes (11) which are communicated with the bottom of the milling shoe hollow part (14) and are arranged in a radiation way.
2. A high-pressure rotary cleaning drill and mill device according to claim 1, characterized in that the carrier ring (5) and the drive seat (6) are placed in the central shoulder (17) of the lower joint (3) and are in clearance fit therewith.
3. A high pressure rotary cleaning drill and mill device as claimed in claim 1 or 2, characterized in that the rotor (8) is provided with fixing grooves around its upper end.
4. A high pressure rotary cleaning drill and mill device as claimed in claim 1 or 2, characterized in that the inlet and outlet ends at the opening of the semi-elliptical fluid channel ii (16) penetrate the side wall of the flow conductor (9).
5. A high pressure rotary cleaning drill mill device as claimed in claim 1 or 2, characterized in that the mill alloy (1) is welded to the bottom of the mill body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659264.3A CN111749632B (en) | 2020-07-09 | 2020-07-09 | High-pressure rotating cleaning drilling and grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659264.3A CN111749632B (en) | 2020-07-09 | 2020-07-09 | High-pressure rotating cleaning drilling and grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111749632A CN111749632A (en) | 2020-10-09 |
| CN111749632B true CN111749632B (en) | 2021-08-31 |
Family
ID=72711014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010659264.3A Active CN111749632B (en) | 2020-07-09 | 2020-07-09 | High-pressure rotating cleaning drilling and grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111749632B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096004A (en) * | 1989-12-22 | 1992-03-17 | Ide Russell D | High pressure downhole progressive cavity drilling apparatus with lubricating flow restrictor |
| GB9123659D0 (en) * | 1991-11-07 | 1992-01-02 | Bp Exploration Operating | Turbine vibrator assembly |
| NO20111041A1 (en) * | 2011-07-20 | 2013-01-21 | Algard Cnc As | Device for cleaning tools |
| CN102913157B (en) * | 2012-11-08 | 2015-04-22 | 中国石油天然气集团公司 | Underground sleeve rotational flow guider |
| CN105526043B (en) * | 2015-07-02 | 2017-12-29 | 山东东远石油装备有限公司 | A kind of positive displacement line motor |
| CN108166922B (en) * | 2018-03-06 | 2023-08-22 | 长江大学 | Rotary impactor |
-
2020
- 2020-07-09 CN CN202010659264.3A patent/CN111749632B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111749632A (en) | 2020-10-09 |
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