CN116122757A - Hydraulic drilling, grinding and flushing tool integrated tool - Google Patents
Hydraulic drilling, grinding and flushing tool integrated tool Download PDFInfo
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- CN116122757A CN116122757A CN202111350258.0A CN202111350258A CN116122757A CN 116122757 A CN116122757 A CN 116122757A CN 202111350258 A CN202111350258 A CN 202111350258A CN 116122757 A CN116122757 A CN 116122757A
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- mandrel
- telescopic rod
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- grinding
- tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 238000000227 grinding Methods 0.000 title claims abstract description 36
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 10
- 238000005520 cutting process Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002343 natural gas well Substances 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/002—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- 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)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil and natural gas well workover, in particular to an integrated tool of a hydraulic drilling, grinding and flushing tool, which comprises an upper joint, a fixed mandrel, a lower joint, a telescopic mandrel, a lower fixed block, a nozzle, a rotary joint, a spray head, a reset spring and a centralizing spring piece, wherein a first communication hole which is vertically communicated is arranged at the inner side of the upper joint, the lower side of the upper joint is fixedly connected with the fixed mandrel, and a second communication hole which is vertically communicated and the upper side of which is communicated with the first communication hole is arranged at the inner side of the fixed mandrel. According to the invention, the centering spring piece is arranged on the tool, and is arched under the action of resistance, the highest point of the arch is contacted with the inner wall of the sleeve, so that the tool is in a centering state, and a plurality of spraying heads uniformly distributed in the far circumferential direction are used for spraying and cutting, so that spraying and cutting chips are uniform, the effect of drilling and grinding is realized, the problem of drill sticking caused by uneven chips is avoided, the drill sticking risk of continuous oil pipe drilling and grinding is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of oil and natural gas well workover, in particular to a hydraulic drilling, grinding and flushing tool integrated tool.
Background
The current oil-gas field development large-area deployment horizontal well, horizontal well staged fracturing technology is a main measure for reservoir reformation, in the development process, the staged technology mainly adopts bridge plug plugging and staged, the bridge plug needs to be cleaned in order to ensure smooth production channels in the production of the oil (gas) well, the continuous oil pipe bottom is generally adopted at present to carry out screw drilling tools and efficient shoe grinding and milling to clean the in-well staged fracturing bridge plug, the number of the efficient shoe grinding is only more than 1000 in the near three years of Xinjiang oil field, and the number of the screw motor is scrapped to be more than 300.
The bridge plugs adopted in the current staged fracturing in the Xinjiang oilfield productivity construction project are mainly soluble bridge plugs and alloy bridge plugs, the bridge plugs are mainly made of magnesium aluminum metal, and the slip teeth are alloy teeth or ceramic teeth. In addition, the damage deformation condition of the sleeve in the fracturing transformation process is developed sometimes, the sleeve deformation and dislocation condition occurs for many times in the Mahu and Ji's well region, the construction and drilling jamming risk of the sleeve damage sleeve change well coiled tubing is high, the bridge plug of the well section below the sleeve change well section of the sleeve serious sleeve change well cannot be drilled, and the sleeve change well production efficiency is affected. The conventional bridge plug drilling and grinding tool string comprises a connector, is safe to release, is provided with a check valve, a screw rod and grinding shoes, and is used for drilling and grinding through mechanical milling, but the whole tool string is overlong, the drilling pressure is controlled unstably in the drilling and grinding process, large bridge plug fragments are easy to generate, the grinding shoes are large in size, the trap pressure is easy to exist at the lower part of the bridge plug, and the risk of blocking the drill is high.
Disclosure of Invention
The invention provides an integrated tool of a hydraulic drilling and grinding tool and a flushing tool, which overcomes the defects of the prior art, and can effectively solve the problems that the existing bridge plug drilling and grinding tool string is longer, and the drilling pressure is unstable in the drilling and grinding process by using mechanical drilling and grinding, so that bridge plug fragments are uneven.
The technical scheme of the invention is realized by the following measures: the utility model provides a hydraulic drill grinds and instrument integration instrument that washes, including the top connection, the fixed mandrel, the bottom connection, the flexible mandrel, lower fixed block, the nozzle, rotary joint, the injector head, reset spring and right the spring leaf, the top connection inboard is equipped with the first communication hole that link up from top to bottom, the fixed mandrel of top connection downside fixedly connected with, the fixed mandrel inboard is equipped with the second intercommunicating pore that link up from top to bottom and upside and first communication hole intercommunication, the fixed mandrel downside is fixed with the flexible mandrel, the flexible mandrel inboard is equipped with the upside and second intercommunicating pore downside fixed intercommunication and downside confined rectangular hole, the lower joint inboard is equipped with the third intercommunicating pore that link up from top to bottom, lower fixed block is equipped with to the fixed block in the outside of lower joint upper portion, the flexible mandrel downside passes fixed block movable sleeve and is equipped with the inside upside in the third intercommunicating pore down, the inside downside fixed block fixed mounting of third intercommunicating pore has the nozzle, the import that can the nozzle when flexible mandrel moves down, the outside movable sleeve is equipped with rotary joint in the lower joint outside, the circumference has at least four injector heads on the rotary joint, the inside of rotary joint that corresponds the injection head position is equipped with annular cavity, every injector head position corresponds the inside, the annular nozzle has the equal annular cavity with the corresponding annular cavity of the corresponding position in the side of the annular position, the inside of the side of the fixed mandrel, the fixed mandrel has two equal sides of the equal equipartition along the at least two sides of the outside fixed channel sets of the outside along the fixed channel along the circumference of at least circumference, the outside between the fixed channel and the fixed channel has two sets that has the at least two equal sides to the outside fixed channel to the outside.
The following are further optimizations and/or improvements to the above-described inventive solution:
the upper fixing blocks can be fixedly sleeved on the outer side of the upper part of the fixing mandrel, the upper sides of the centering spring pieces are fixedly connected with the upper fixing blocks, and the lower sides of the centering spring pieces are fixedly connected with the lower fixing blocks at corresponding positions.
The outer side of the lower joint can be provided with an outer ring table, and the rotary joint is hermetically sleeved on the outer side of the lower joint at the position between the lower fixing block and the outer ring table.
The telescopic mandrel can comprise an upper telescopic rod and a lower telescopic rod, the outer diameters of the upper telescopic rod and the lower telescopic rod are sequentially reduced, the lower side of the upper telescopic rod is fixedly connected with the upper side of the lower telescopic rod, the outer side of the lower part of the upper telescopic rod is sleeved on the inner side of the lower fixing block in a sealing manner, and the outer side of the lower part of the lower telescopic rod is sleeved on the inner side of the upper part of the third communication hole.
The spray head can be inclined in an inner-high outer-bottom shape.
According to the invention, the centering spring piece is arranged on the tool, and is arched under the action of resistance, the highest point of the arch is contacted with the inner wall of the sleeve, so that the tool is in a centering state, and a plurality of spraying heads uniformly distributed in the far circumferential direction are used for spraying and cutting, so that spraying and cutting chips are uniform, the effect of drilling and grinding is realized, the problem of drill sticking caused by uneven chips is avoided, the drill sticking risk of continuous oil pipe drilling and grinding is reduced, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of a half cross-sectional structure of the invention in a drilling and grinding state.
Fig. 2 is a schematic view of a semi-sectional structure of the present invention in a flushing state.
The codes in the drawings are respectively: 1 is an upper joint, 2 is a fixed mandrel, 3 is a lower joint, 4 is an upper telescopic rod, 5 is a lower telescopic rod, 6 is a lower fixed block, 7 is a nozzle, 8 is a rotary joint, 9 is a spray head, 10 is a return spring, 11 is a righting spring piece, 12 is a first communication hole, 13 is a second communication hole, 14 is a strip-shaped hole, 15 is a third communication hole, 16 is an annular cavity, 17 is a first runner, 18 is a second runner, and 19 is an upper fixed block.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described below with reference to examples and figures:
as shown in fig. 1 and 2, the hydraulic drilling and grinding and flushing tool integrated tool comprises an upper joint 1, a fixed mandrel 2, a telescopic mandrel, a lower joint 3, a lower fixed block 6, a nozzle 7, a rotary joint 8, a spray head 9, a return spring 10 and a centralizing spring piece 11, wherein a first communication hole 12 which is penetrated up and down is arranged at the inner side of the upper joint 1, the fixed mandrel 2 is fixedly connected at the lower side of the upper joint 1, a second communication hole 13 which is penetrated up and down and is communicated with the first communication hole 12 at the upper side is arranged at the inner side of the fixed mandrel 2, a telescopic mandrel is fixed at the lower side of the fixed mandrel 2, a long strip-shaped hole 14 which is fixedly communicated with the lower side of the second communication hole 13 at the upper side and is closed at the lower side is arranged at the inner side of the lower joint 3, the lower fixed block 6 is fixedly sleeved at the outer side of the upper part of the lower joint 3, the lower side of the telescopic mandrel passes through the lower fixed block 6 and is movably sleeved on the upper side of the inner part of the third communication hole 15, the nozzle 7 is fixedly arranged on the lower side of the inner part of the third communication hole 15, the inlet of the nozzle 7 can be blocked when the telescopic mandrel moves downwards, the outer side of the lower joint 3 is movably sleeved with a rotary joint 8, at least four injection heads 9 are uniformly distributed on the rotary joint 8 along the circumferential direction, an annular cavity 16 is arranged on the inner side of the rotary joint 8 corresponding to the positions of the injection heads 9, each injection head is fixedly communicated with the annular cavity 16 corresponding to the positions, at least two inner and outer through flow passages I17 are uniformly distributed on the outer side of the lower joint 3 corresponding to the positions of the annular cavity 16 along the circumferential direction, at least two inner and outer through flow passages II 18 are uniformly distributed on the outer side of the lower part of the telescopic mandrel along the circumferential direction, a reset spring 10 is sleeved on the outer side of the telescopic mandrel at the position between the lower fixed block 6 and the fixed mandrel 2, at least four centralizing spring pieces 11 are uniformly distributed on the outer side of the fixed mandrel 2 and the outer side of the lower fixed block 6 at the corresponding position along the circumferential direction.
When in use, the upper joint 1 is connected with an external liquid pipeline, the invention is arranged in an oil layer sleeve to work, and the invention has two working states, namely a drilling and grinding state and a flushing state, and specifically comprises the following steps:
1. drilling and grinding state: when the lower joint 3 receives resistance in the oil layer casing, the return spring 10 is compressed, the telescopic mandrel moves towards the inner side of the lower joint 3 until the inlet of the nozzle 7 is blocked, at the moment, the first flow passage 17 and the second flow passage 18 are positioned at the same height position, liquid entering the upper joint 1 is sprayed from the spraying head 9 through the first communication hole 12, the second communication hole 13 and the inner side of the long strip-shaped hole 14 through the second flow passage 18 and the first flow passage 17 (the arrow direction in the drawing 1 is the flowing direction of liquid in a drilling and grinding state), hydraulic drilling and grinding operation of the oil layer casing is carried out, meanwhile, in the compression process of the return spring 10, all the righting spring pieces 11 are arched under the action of the resistance, and the highest point of the arch is contacted with the inner wall of the oil layer casing, so that the tool is in a centered state (particularly in horizontal well operation, the operation efficiency is convenient to improve), chips generated by spraying and cutting are uniform, and the chips are convenient to discharge;
2. flushing state: the lower joint 3 is not subjected to resistance in the oil layer casing, the reset spring 10 is in an extension state, the righting spring piece 11 is also in an extension state, and at the moment, the righting spring piece 11 is kept consistent with the outer diameter of the tool, so that the tool can pass through conveniently; when the resistance is not received, the telescopic mandrel does not block the inlet of the nozzle 7, at the moment, the liquid entering from the upper joint 1 enters into the inner side of the third communication hole 15 through the first communication hole 12, the second communication hole 13 and the inner side of the strip-shaped hole 14 and enters into the inner side of the third communication hole 15 through the second flow passage 18, at the moment, one path of liquid is sprayed out of the spray head 9 through the first flow passage 17, the other path of liquid is directly sprayed out of the nozzle 7 (the arrow direction in the attached drawing 2 is the flowing direction of the liquid in a flushing state), sand flushing operation is performed, the returning efficiency of drilling and grinding fragments is improved, and the operation safety is improved.
According to the invention, the centralizing spring piece 11 is arranged on the tool, when the centralizing spring piece 11 is arched under the action of resistance, the highest point of the arch is in contact with the inner wall of the sleeve, the tool is in a centering state, and the plurality of injection heads 9 uniformly distributed in the far circumferential direction are used for injection cutting, so that the injection cutting chips are uniform, the effect of drilling and grinding is realized, the problem of drilling and grinding sticking caused by the non-uniform chips is avoided, the drilling and grinding sticking risk of a continuous oil pipe is reduced, and the working efficiency is improved.
The hydraulic drilling and grinding and flushing tool integrated tool can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, an upper fixing block 19 is fixedly sleeved on the outer side of the upper part of the fixing mandrel 2, the upper side of each centralizing spring piece 11 is fixedly connected with the upper fixing block 19, and the lower side of each centralizing spring piece 11 is fixedly connected with the lower fixing block 6 at a corresponding position. By this arrangement, the fixation of the righting spring piece 11 is facilitated.
As shown in fig. 1 and 2, an outer ring table is arranged on the outer side of the lower joint 3, and a rotary joint 8 is hermetically sleeved on the outer side of the lower joint 3 at the position between the lower fixed block 6 and the outer ring table. Through the arrangement, the rotary joint 8 is prevented from falling off from the outer side of the lower joint 3 under the action of water pressure, the rotary joint 8 is convenient to rotate under the action force of the injection head 9, the action of drilling, grinding and cutting is realized, and meanwhile the oil pipe is convenient to flush.
As shown in fig. 1 and 2, the telescopic mandrel comprises an upper telescopic rod 4 and a lower telescopic rod 5, the outer diameters of the upper telescopic rod 4 and the lower telescopic rod 5 are sequentially reduced, the lower side of the upper telescopic rod 4 is fixedly connected with the upper side of the lower telescopic rod 5, the outer side of the lower part of the upper telescopic rod 4 is sleeved on the inner side of the lower fixing block 6 in a sealing manner, and the outer side of the lower part of the lower telescopic rod 5 is sleeved on the inner side of the upper part of the third communication hole 15. By this arrangement, sealing between the upper telescopic shaft and the lower fixed block 6 is facilitated, and liquid in the third communication hole 15 is prevented from overflowing from the joint between the upper telescopic shaft and the lower fixed block 6.
As shown in fig. 1 and 2, the spray head 9 is inclined in an inner-high outer bottom shape. By the arrangement, the spraying force of the spraying head 9 is improved, and the cleaning, drilling and grinding are facilitated.
The technical characteristics form the embodiment of the invention, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (8)
1. The utility model provides a hydraulic drill grinds and instrument integration instrument that washes, a serial communication port, the steam turbine comprises an upper joint, the fixed mandrel, the lower extreme, the flexible mandrel, lower fixed block, the nozzle, rotary joint, the injection head, reset spring and righting the spring leaf, the first communication hole that link up from top to bottom is equipped with to the upper extreme downside fixedly connected with fixed mandrel, the fixed mandrel inboard is equipped with the second intercommunicating pore that link up from top to bottom and upside and first communication hole intercommunication, fixed mandrel downside is fixed with the flexible mandrel, the flexible mandrel inboard is equipped with the upper side and the fixed intercommunication of second intercommunicating pore downside and the confined rectangular hole of downside, the lower extreme inboard is equipped with the third intercommunicating pore that link up from top to bottom, lower fixed block is equipped with to the fixed sleeve in lower extreme upper portion outside of lower extreme joint, the flexible mandrel downside passes the inside upside of lower fixed block movable sleeve at the third intercommunicating pore, the inside downside fixed mounting of third intercommunicating pore has the nozzle, the import that can the shutoff nozzle when the flexible mandrel moves down, the movable sleeve is equipped with rotary joint in the lower extreme outside, the rotary joint has at least four injection heads along circumference, the rotary joint inboard that corresponds the injection head position is equipped with annular cavity, every injection nozzle position corresponds the inside, the annular cavity corresponds the fixed mandrel with the annular cavity of the corresponding position of the fixed mandrel along circumference at least two outside the equal equipartition of the annular position and the outside of the fixed runner along the outside of the fixed runner between the fixed mandrel and the fixed runner of the at least two equal equipartition along the outside.
2. The hydraulic drilling, grinding and flushing tool integrated tool according to claim 1, wherein an upper fixing block is fixedly sleeved on the outer side of the upper part of the fixing mandrel, the upper side of each centralizing spring piece is fixedly connected with the upper fixing block, and the lower side of each centralizing spring piece is fixedly connected with a lower fixing block at a corresponding position.
3. The integrated hydraulic drilling, grinding and flushing tool as set forth in claim 1 or 2, wherein an outer ring table is provided at the outer side of the lower joint, and the rotary joint is hermetically sleeved at the outer side of the lower joint at a position between the lower fixing block and the outer ring table.
4. The hydraulic drilling, grinding and flushing tool integrated tool according to claim 1 or 2, wherein the telescopic mandrel comprises an upper telescopic rod and a lower telescopic rod, the outer diameters of the upper telescopic rod and the lower telescopic rod are sequentially reduced, the lower side of the upper telescopic rod is fixedly connected with the upper side of the lower telescopic rod, the outer side of the lower part of the upper telescopic rod is sleeved on the inner side of the lower fixing block in a sealing manner, and the outer side of the lower part of the lower telescopic rod is sleeved on the inner side of the upper part of the third communication hole.
5. The hydraulic drilling, grinding and flushing tool integrated tool according to claim 3, wherein the telescopic mandrel comprises an upper telescopic rod and a lower telescopic rod, the outer diameters of the upper telescopic rod and the lower telescopic rod are sequentially reduced, the lower side of the upper telescopic rod is fixedly connected with the upper side of the lower telescopic rod, the outer side of the lower part of the upper telescopic rod is sleeved on the inner side of the lower fixing block in a sealing manner, and the outer side of the lower part of the lower telescopic rod is sleeved on the inner side of the upper part of the third communication hole.
6. The integrated hydraulic drilling and milling and flushing tool as set forth in claim 1, 2 or 5, characterized in that the spray head is inclined in an inner-high outer-bottom shape.
7. A hydraulic drilling and milling and flushing tool integrated tool as set forth in claim 3, characterized in that the spray head is inclined in an inner-high outer-bottom shape.
8. The integrated hydraulic drilling, milling and flushing tool as set forth in claim 4, wherein the spray head is inclined in an inner-high outer-bottom shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111350258.0A CN116122757B (en) | 2021-11-15 | 2021-11-15 | Hydraulic drilling, grinding and flushing tool integrated tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111350258.0A CN116122757B (en) | 2021-11-15 | 2021-11-15 | Hydraulic drilling, grinding and flushing tool integrated tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116122757A true CN116122757A (en) | 2023-05-16 |
| CN116122757B CN116122757B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111350258.0A Active CN116122757B (en) | 2021-11-15 | 2021-11-15 | Hydraulic drilling, grinding and flushing tool integrated tool |
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| CN (1) | CN116122757B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2622699A (en) * | 2022-09-07 | 2024-03-27 | Bisn Tec Ltd | One trip system to set an alloy seal and mill through |
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| CN110700801A (en) * | 2019-11-08 | 2020-01-17 | 西南石油大学 | Automatic jet flow crushing tool for solid fluidization exploitation of natural gas hydrate |
| CN111911101A (en) * | 2020-09-08 | 2020-11-10 | 新疆华油油气工程有限公司 | Steel wire throwing centralizing suspension tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2622699A (en) * | 2022-09-07 | 2024-03-27 | Bisn Tec Ltd | One trip system to set an alloy seal and mill through |
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| CN116122757B (en) | 2024-10-18 |
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