CN108952574A - Sound fluid path attachment device in rotary steering mechanism - Google Patents
Sound fluid path attachment device in rotary steering mechanism Download PDFInfo
- Publication number
- CN108952574A CN108952574A CN201811090091.7A CN201811090091A CN108952574A CN 108952574 A CN108952574 A CN 108952574A CN 201811090091 A CN201811090091 A CN 201811090091A CN 108952574 A CN108952574 A CN 108952574A
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- Prior art keywords
- fluid path
- sound
- dynamic sealing
- hole
- ring
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- 239000012530 fluid Substances 0.000 title claims abstract description 167
- 238000007789 sealing Methods 0.000 claims abstract description 110
- 238000012856 packing Methods 0.000 claims abstract description 31
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- 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
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Pipe Accessories (AREA)
Abstract
It is sound fluid path attachment device in a kind of rotary steering mechanism comprising sound fluid path connects sleeve, upper dynamic sealing baffle ring and lower dynamic sealing baffle ring the present invention relates to rotary guiding device technical field；Top bar hole is respectively arranged with and hole of getting out of a predicament or an embarrassing situation on the inner wall of sound fluid path connection sleeve.Structure of the invention is reasonable and compact, it is easy to use, the present invention is mounted in rotary steering mechanism as not rotary body, it can smoothly complete dynamic, conversion between hydrostatic branch, the cooperation of rotary packing ring and sealing ring effectively ensure that during hydraulic pressure transfer rotary body and the not leakproofness between rotary body, and a possibility that being connected between every hydraulic road is effectively obstructed, to control the backup power size that each hydraulic thrust leans on assembly by hydraulic fluid pressure size in branch by every hydraulic thrust of control in rotary steering mechanism, goal orientation power when obtaining guiding operation provides guarantee.
Description
Technical field
It is sound fluid path attachment device in a kind of rotary steering mechanism the present invention relates to rotary guiding device technical field.
Background technique
As each oil field in the world subsequently enters development late stage, oil reservoir development difficulty is gradually increased, and drilling strata is increasingly complicated,
New period facing challenges push oil-gas field development by conventional development technique towards horizontal well, extended reach directional well, multiple-limb
The development technique such as well, slim hole well direction is developed, while more stringent requirements are proposed to drilling technology for technology newly developed.Traditional
Navigational drilling techniques based on slide-and-guide technology, and slide-and-guide technology exists that axial frictional resistance is big, drilling process is not easy chip removal,
The problems such as drilling efficiency is low, wellbore is rough.From in the 1990s, external each major oil companies have launched rotary steering
Drilling tool, wherein with the Auto Trak series of Baker-Hughes, the Power Driver series of Schlumberger,
The Geo-Pilot series of Halliburton is representative, and foreign petroleum company is passed in high build angle rate, downhole data monitoring, data
It is defeated etc. to continuously improve and perfect.The country to the research and development of rotary steering relatively late, at present mainly with pushing type rotary steering
Based on, working principle is that goal orientation resultant force, rib are obtained by controlling the thrust of three rib push plates on not rotary sleeve
Backup power is from the hydraulic module integrated with elements such as motor, pump, valves.The pushing type rotary steering of electric-motor pump principle
Tool causes the radial dimension of steering tool to increase, and need to be from rotation under the integrated embedding plant rib push plate of hydraulic module
Mandrel provides power supply and control signal to motor to not rotary sleeve, and the high vibration and shaft bottom high temperature at drill bit can be to letters
Number transmission and motor control module cause serious interference.Also, in rotary steering mechanism, by rotary body and non-rotary body structure
At, how to be smoothly transferred to non-rotary body by rotary body be a urgent problem needed to be solved by hydraulic, also, it is also necessary to take into account that
Sealing problem during hydraulic pressure transfer.
Summary of the invention
The present invention provides sound fluid path attachment device in a kind of rotary steering mechanism, overcome the above-mentioned prior art no
Foot, can effectively solve in rotary steering mechanism and how to be smoothly transferred to non-rotary body by hydraulic by rotary body and guarantee to seal
The problem of effect.
The technical scheme is that being realized by following measures: sound fluid path connection in a kind of rotary steering mechanism
Device, including sound fluid path connection sleeve, upper dynamic sealing baffle ring and lower dynamic sealing baffle ring；On the top of sound fluid path connection sleeve
It is provided with the top bar hole that internal diameter from bottom to top is sequentially increased on inner wall, is arranged in the lower inner wall of sound fluid path connection sleeve
There is the hole of getting out of a predicament or an embarrassing situation that internal diameter is sequentially increased from top to bottom；In top bar hole: passing through upper fluid path spiral shell in the narrow diameter section in top bar hole
Bolt is fixedly installed with the T-shaped upper dynamic sealing mounting ring in section, and upper fluid path bolt extends radially through sound fluid path connection sleeve and upper
Dynamic sealing mounting ring, the lower end outside of upper dynamic sealing baffle ring are provided with inner groove, and the inner groove seat of upper dynamic sealing baffle ring is hung over
On the lower end surface of stepped hole wide path, the outer wall of upper dynamic sealing baffle ring and the inner wall of top bar hole wide path are fixedly mounted on one
Rise, between the lower end surface of upper dynamic sealing baffle ring and the upper surface of upper dynamic sealing mounting ring fix have rotary packing ring, it is upper move it is close
It seals to fix between the lower end surface of the narrow diameter section in lower end surface and top bar hole of mounting ring and has rotary packing ring, be arranged in upper fluid path bolt
There is radial upper fluid path through-hole, is provided on the upper dynamic sealing mounting ring inner wall of fluid path bolt in correspondence and is connected to upper fluid path through-hole
Sound fluid path inside groove, be provided on the sound fluid path connection sleeve outer wall of fluid path bolt in correspondence and to be connected to upper fluid path through-hole
Sound fluid path outer groove, in correspondence the sound fluid path inside groove of fluid path bolt, upper fluid path through-hole and sound fluid path outer groove formed one it is dynamic
Hydrostatic branch；In hole of getting out of a predicament or an embarrassing situation: it is T-shaped by lower fluid path bolt to be fixedly installed with section in the narrow diameter section in hole of getting out of a predicament or an embarrassing situation
Lower dynamic sealing mounting ring, lower fluid path bolt extend radially through sound fluid path connection sleeve and lower dynamic sealing mounting ring, lower dynamic sealing gear
It is provided with inner groove on the outside of the upper end of ring, the upper surface for hole wide path of getting out of a predicament or an embarrassing situation is located in the inner groove of lower dynamic sealing baffle ring, under
The outer wall of dynamic sealing baffle ring and the inner wall for hole wide path of getting out of a predicament or an embarrassing situation are fixedly installed togather, lower dynamic sealing baffle ring upper surface with
Fixing between the lower end surface of lower dynamic sealing mounting ring has rotary packing ring, narrow in the upper surface of lower dynamic sealing mounting ring and hole of getting out of a predicament or an embarrassing situation
Fixing between the upper surface of diameter section has rotary packing ring, and radial lower fluid path through-hole, corresponding lower liquid are provided in lower fluid path bolt
The sound fluid path inside groove being connected to lower fluid path through-hole, corresponding lower fluid path spiral shell are provided on the lower dynamic sealing mounting ring inner wall of road bolt
The sound fluid path outer groove being connected to lower fluid path through-hole, corresponding lower fluid path bolt are provided on the sound fluid path connection sleeve outer wall of bolt
Sound fluid path inside groove, lower fluid path through-hole and sound fluid path outer groove form a sound hydraulic branch；It is most lower in top bar hole
It is arranged from top to bottom on sound fluid path connection sleeve in the rotary packing ring of side and hole of getting out of a predicament or an embarrassing situation between the rotary packing ring of the top
Have at least one radial middle fluid path through-hole, it is corresponding it is each in fluid path through-hole sound fluid path connection sleeve lining on be provided with
Its sound fluid path inside groove for corresponding to and being connected to, it is corresponding each in fluid path through-hole sound fluid path connection sleeve outer wall on be provided with
Its sound fluid path outer groove for corresponding to and being connected to, sound fluid path inside groove, middle fluid path through-hole and the sound of corresponding each middle fluid path through-hole
Fluid path outer groove forms a sound hydraulic branch；The sound liquid between sound fluid path outer groove in adjacent two sound hydraulic branch
Sealing ring is fixedly installed on road connection sleeve.
Here is the further optimization and/or improvements to invention technology described above scheme:
It is above-mentioned that dynamic sealing support is installed between upper dynamic sealing baffle ring, upper dynamic sealing mounting ring and corresponding rotary packing ring
Ring is equipped with dynamic sealing support ring between upper dynamic sealing mounting ring, the narrow diameter section in top bar hole and corresponding rotary packing ring,
Dynamic sealing support ring is installed between lower dynamic sealing baffle ring, lower dynamic sealing mounting ring and corresponding rotary packing ring,
Dynamic sealing support ring is installed between lower dynamic sealing mounting ring, the narrow diameter section in hole of getting out of a predicament or an embarrassing situation and corresponding rotary packing ring.
The outer wall of above-mentioned upper dynamic sealing baffle ring and the inner wall of top bar hole wide path are threadably secured and are installed together, under
The inner wall of the outer wall of dynamic sealing baffle ring and hole wide path of getting out of a predicament or an embarrassing situation, which is threadably secured, to be installed together.
Structure of the invention is reasonable and compact, easy to use, and the present invention is mounted in rotary steering mechanism as not rotary body,
The conversion between dynamic and static hydraulic branch can be smoothly completed, the cooperation of rotary packing ring and sealing ring effectively ensure that hydraulic pressure transfer mistake
Rotary body and the not leakproofness between rotary body in journey, and a possibility that being connected between every hydraulic road has effectively been obstructed, it is
Each hydraulic thrust is controlled by hydraulic fluid pressure size in branch by assembly by every hydraulic thrust of control in rotary steering mechanism
Backup power size, obtain guiding operation when goal orientation power provide guarantee.
Detailed description of the invention
Attached drawing 1 is schematic diagram of main cross-sectional structure of preferred embodiment.
Coding in attached drawing is respectively as follows: 1 and connects sleeve for sound fluid path, and 2 be upper dynamic sealing baffle ring, and 3 keep off for lower dynamic sealing
Ring, 4 be upper fluid path bolt, and 5 be upper dynamic sealing mounting ring, and 6 be top bar hole, and 7 be hole of getting out of a predicament or an embarrassing situation, and 8 be rotary packing ring, and 9 be upper
Fluid path through-hole, 10 be sound fluid path inside groove, and 11 be sound fluid path outer groove, and 12 be lower fluid path bolt, and 13 be lower dynamic sealing mounting ring,
14 be lower fluid path through-hole, and 15 be middle fluid path through-hole, and 16 be sealing ring, and 17 be dynamic sealing support ring.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: the positional relationship of upper and lower, left and right is come according to the Butut direction of Figure of description
Determining.
Below with reference to examples and drawings, the invention will be further described:
As shown in Fig. 1, in the rotary steering mechanism sound fluid path attachment device include sound fluid path connection sleeve 1, on move it is close
Block ring 2 and lower dynamic sealing baffle ring 3；It is provided with from bottom to top that internal diameter is successively in the upper inside wall of sound fluid path connection sleeve 1
The top bar hole 6 of increase is provided under internal diameter is sequentially increased from top to bottom in the lower inner wall of sound fluid path connection sleeve 1
Stepped hole 7；In top bar hole 6: it is T-shaped by upper fluid path bolt 4 to be fixedly installed with section in the narrow diameter section in top bar hole 6
Upper dynamic sealing mounting ring 5, upper fluid path bolt 4 extend radially through sound fluid path connection sleeve 1 and upper dynamic sealing mounting ring 5, on move it is close
The lower end outside of block ring 2 is provided with inner groove, and the inner groove seat of upper dynamic sealing baffle ring 2 is hung under 6 wide path of top bar hole
On end face, the inner wall of the outer wall and 6 wide path of top bar hole of upper dynamic sealing baffle ring 2 is fixedly installed togather, and keeps off in upper dynamic sealing
Fixing between the lower end surface of ring 2 and the upper surface of upper dynamic sealing mounting ring 5 has rotary packing ring 8, under upper dynamic sealing mounting ring 5
Fixing between the lower end surface of the narrow diameter section in end face and top bar hole 6 has rotary packing ring 8, is provided in upper fluid path bolt 4 radial
Upper fluid path through-hole 9, be provided on upper 5 inner wall of dynamic sealing mounting ring of fluid path bolt 4 in correspondence be connected to upper fluid path through-hole 9 it is dynamic
Hydrostatic road inside groove 10 is provided in correspondence on sound fluid path connection 1 outer wall of sleeve of fluid path bolt 4 and is connected to upper fluid path through-hole 9
Sound fluid path outer groove 11, sound fluid path inside groove 10, upper fluid path through-hole 9 and the sound fluid path outer groove 11 of fluid path bolt 4 in correspondence
Form a sound hydraulic branch；In hole 7 of getting out of a predicament or an embarrassing situation: pacifying in the narrow diameter section in hole 7 of getting out of a predicament or an embarrassing situation by the way that lower fluid path bolt 12 is fixed
Equipped with the T-shaped lower dynamic sealing mounting ring 13 in section, lower fluid path bolt 12 extend radially through sound fluid path connection sleeve 1 and under move it is close
Mounting ring 13 is sealed, is provided with inner groove on the outside of the upper end of lower dynamic sealing baffle ring 3, position on the outside of the upper surface of 6 wide path of hole of getting out of a predicament or an embarrassing situation
In in the inner groove of lower dynamic sealing baffle ring 3, the outer wall of lower dynamic sealing baffle ring 3 and the inner wall for 7 wide path of hole of getting out of a predicament or an embarrassing situation are fixedly mounted
Together, fixing between the upper surface of lower dynamic sealing baffle ring 3 and the lower end surface of lower dynamic sealing mounting ring 13 has rotary packing ring 8,
Fixing between the upper surface of lower dynamic sealing mounting ring 13 and the upper surface for the narrow diameter section in hole 7 of getting out of a predicament or an embarrassing situation has rotary packing ring 8, in lower liquid
It is provided with radial lower fluid path through-hole 14 in road bolt 12, is set on lower 13 inner wall of dynamic sealing mounting ring of corresponding lower fluid path bolt 12
It is equipped with the sound fluid path inside groove 10 being connected to lower fluid path through-hole 14, the sound fluid path of corresponding lower fluid path bolt 12 connects outside sleeve 1
The sound fluid path outer groove 11 being connected to lower fluid path through-hole 14, the sound fluid path inside groove of corresponding lower fluid path bolt 12 are provided on wall
10, lower fluid path through-hole 14 and sound fluid path outer groove 11 form a sound hydraulic branch；In top bar hole 6 bottom move it is close
In seal ring 8 and hole 7 of getting out of a predicament or an embarrassing situation between the rotary packing ring 8 of the top sound fluid path connection sleeve 1 on be provided with from top to bottom to
The middle fluid path through-hole 15 of a few radial direction, the sound fluid path of corresponding each middle fluid path through-hole 15 connects to be provided on 1 inner wall of sleeve
The sound fluid path of sound fluid path inside groove 10 that is corresponding and being connected to, corresponding each middle fluid path through-hole 15 connects on 1 outer wall of sleeve
Be provided with sound fluid path outer groove 11 that is corresponding and being connected to, it is corresponding each in fluid path through-hole 15 sound fluid path inside groove 10, in
Fluid path through-hole 15 and sound fluid path outer groove 11 form a sound hydraulic branch；Sound liquid in adjacent two sound hydraulic branch
Sealing ring 16 is fixedly installed on sound fluid path connection sleeve 1 between road outer groove 11.
After the present invention is mounted in rotary steering mechanism, every sound hydraulic branch each communicate with respectively one it is corresponding
A rotating body hydraulic branch and non-rotating intracorporal hydraulic branch, the present invention is by the liquid of a rotating body in rotary steering mechanism
Pressure branch be converted into non-rotating intracorporal hydraulic branch, smoothly complete the conversion between dynamic and static hydraulic branch, and it is each move it is close
Rotary body and the not leakproofness between rotary body, the hydraulic branch of adjacent two sound has been effectively ensured during hydraulic pressure transfer in seal ring 8
Sound fluid path between sound fluid path outer groove 11 in road connects the middle set of 16 effective guarantee of sealing ring being fixedly mounted on sleeve 1
The cooperation of leakproofness between body upper shell and sound fluid path assembly, rotary packing ring 8 and sealing ring 16 has effectively obstructed every liquid
A possibility that being connected between the road Ya Zhi is big by hydraulic fluid pressure in branch by every hydraulic thrust of control in rotary steering mechanism
The small goal orientation power come when controlling backup power size, acquisition guiding operation of each hydraulic thrust by assembly provides guarantee.
Can according to actual needs, sound fluid path attachment device in above-mentioned rotary steering mechanism is advanced optimized or/and
It improves:
As shown in Fig. 1, it is installed between upper dynamic sealing baffle ring 2, upper dynamic sealing mounting ring 5 and corresponding rotary packing ring 8
There is dynamic sealing support ring 17, pacifies between upper dynamic sealing mounting ring 5, the narrow diameter section in top bar hole 6 and corresponding rotary packing ring 8
Equipped with dynamic sealing support ring 17, lower dynamic sealing baffle ring 3, lower dynamic sealing mounting ring 13 and corresponding rotary packing ring 8 it
Between dynamic sealing support ring 17 is installed, in lower dynamic sealing mounting ring 13, the get out of a predicament or an embarrassing situation narrow diameter section in hole 7 and corresponding rotary packing ring
Dynamic sealing support ring 17 is installed between 8.Each dynamic sealing support ring 17 can be further ensured that it is each it is corresponding move it is close
The sealing sexual function of seal ring 8.
As shown in Fig. 1, the inner wall of the outer wall of upper dynamic sealing baffle ring 2 and 6 wide path of top bar hole is threadably secured peace
It is fitted together, the inner wall of the outer wall of lower dynamic sealing baffle ring 3 and 7 wide path of hole of getting out of a predicament or an embarrassing situation, which is threadably secured, to be installed together.Spiral shell
Line installation and removal easy for installation.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (3)
1. sound fluid path attachment device in a kind of rotary steering mechanism, it is characterised in that including sound fluid path connection sleeve, upper dynamic
Seal stopper ring and lower dynamic sealing baffle ring；Internal diameter from bottom to top is provided in the upper inside wall of sound fluid path connection sleeve successively to increase
Big top bar hole, be provided with that internal diameter from top to bottom is sequentially increased in the lower inner wall of sound fluid path connection sleeve gets out of a predicament or an embarrassing situation
Hole；In top bar hole: being fixedly installed with the T-shaped upper dynamic sealing in section by upper fluid path bolt in the narrow diameter section in top bar hole
Mounting ring, upper fluid path bolt extend radially through sound fluid path connection sleeve and upper dynamic sealing mounting ring, the lower end of upper dynamic sealing baffle ring
Outside is provided with inner groove, and the inner groove seat of upper dynamic sealing baffle ring is hung on the lower end surface of top bar hole wide path, upper dynamic sealing
The outer wall of baffle ring and the inner wall of top bar hole wide path are fixedly installed togather, and move in the lower end surface of upper dynamic sealing baffle ring close
It seals to fix between the upper surface of mounting ring and has rotary packing ring, in lower end surface and the narrow diameter section in top bar hole of upper dynamic sealing mounting ring
Fixing between lower end surface has rotary packing ring, and radial upper fluid path through-hole, fluid path bolt in correspondence are provided in upper fluid path bolt
Upper dynamic sealing mounting ring inner wall on be provided with the sound fluid path inside groove being connected to upper fluid path through-hole, fluid path bolt is dynamic in correspondence
It is provided with the sound fluid path outer groove being connected to upper fluid path through-hole on hydrostatic road connection sleeve outer wall, the sound of fluid path bolt in correspondence
Fluid path inside groove, upper fluid path through-hole and sound fluid path outer groove form a sound hydraulic branch；In hole of getting out of a predicament or an embarrassing situation: hole of getting out of a predicament or an embarrassing situation
The T-shaped lower dynamic sealing mounting ring in section is fixedly installed with by lower fluid path bolt in narrow diameter section, lower fluid path bolt extends radially through
Sound fluid path connects sleeve and lower dynamic sealing mounting ring, is provided with inner groove on the outside of the upper end of lower dynamic sealing baffle ring, hole of getting out of a predicament or an embarrassing situation
The upper surface of wide path is located in the inner groove of lower dynamic sealing baffle ring, the outer wall of lower dynamic sealing baffle ring and hole wide path of getting out of a predicament or an embarrassing situation
Inner wall is fixedly installed togather, and fixing between the upper surface of lower dynamic sealing baffle ring and the lower end surface of lower dynamic sealing mounting ring has
Sealing ring, fixing between the upper surface of the narrow diameter section in the upper surface of lower dynamic sealing mounting ring and hole of getting out of a predicament or an embarrassing situation has rotary packing ring,
It is provided with radial lower fluid path through-hole in lower fluid path bolt, is provided on the lower dynamic sealing mounting ring inner wall of corresponding lower fluid path bolt
The sound fluid path inside groove being connected to lower fluid path through-hole, be provided on the sound fluid path connection sleeve outer wall of corresponding lower fluid path bolt with
The sound fluid path outer groove of lower fluid path through-hole connection, sound fluid path inside groove, lower fluid path through-hole and the sound liquid of corresponding lower fluid path bolt
Road outer groove forms a sound hydraulic branch；The rotary packing ring of bottom and the top in hole of getting out of a predicament or an embarrassing situation is dynamic in top bar hole
It is provided at least one radial middle fluid path through-hole from top to bottom on sound fluid path connection sleeve between sealing ring, it is corresponding each
Sound fluid path inside groove that is corresponding and being connected to is provided on the sound fluid path connection sleeve lining of middle fluid path through-hole, it is corresponding each
Sound fluid path outer groove that is corresponding and being connected to is provided on the sound fluid path connection sleeve outer wall of middle fluid path through-hole, it is corresponding each
Sound fluid path inside groove, middle fluid path through-hole and the sound fluid path outer groove of middle fluid path through-hole form a sound hydraulic branch；Adjacent two
Sealing ring is fixedly installed on sound fluid path connection sleeve between sound fluid path outer groove in sound hydraulic branch.
2. sound fluid path attachment device in rotary steering mechanism according to claim 1, it is characterised in that in upper dynamic sealing
Dynamic sealing support ring is installed between baffle ring, upper dynamic sealing mounting ring and corresponding rotary packing ring, is installed in upper dynamic sealing
Dynamic sealing support ring is installed between ring, the narrow diameter section in top bar hole and corresponding rotary packing ring, lower dynamic sealing baffle ring, under
Dynamic sealing support ring is installed between dynamic sealing mounting ring and corresponding rotary packing ring, lower dynamic sealing mounting ring, under
Dynamic sealing support ring is installed between the narrow diameter section of stepped hole and corresponding rotary packing ring.
3. sound fluid path attachment device in rotary steering mechanism according to claim 1 or 2, it is characterised in that upper dynamic sealing
The inner wall of the outer wall of baffle ring and top bar hole wide path, which is threadably secured, to be installed together, and the outer wall of lower dynamic sealing baffle ring is under
The inner wall of stepped hole wide path, which is threadably secured, to be installed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090091.7A CN108952574A (en) | 2018-09-18 | 2018-09-18 | Sound fluid path attachment device in rotary steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090091.7A CN108952574A (en) | 2018-09-18 | 2018-09-18 | Sound fluid path attachment device in rotary steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952574A true CN108952574A (en) | 2018-12-07 |
Family
ID=64471197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811090091.7A Pending CN108952574A (en) | 2018-09-18 | 2018-09-18 | Sound fluid path attachment device in rotary steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952574A (en) |
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|---|---|---|---|---|
| JPH06264435A (en) * | 1993-03-11 | 1994-09-20 | Kowa Sangyo Kk | Cement milk injection type down-hole hammer |
| CN1147604A (en) * | 1995-10-11 | 1997-04-16 | 余毅钦 | Hydrauic automatically-controlled elastic-interference dynamically-sealed oil cylinder |
| JP2001141150A (en) * | 1999-11-18 | 2001-05-25 | Nippon Pillar Packing Co Ltd | Multiple flow passage type rotary joint |
| CN101852069A (en) * | 2010-02-09 | 2010-10-06 | 西南石油大学 | Supporting rotating control head of underbalanced coal bed methane well drilling |
| JP2010270834A (en) * | 2009-05-21 | 2010-12-02 | Nippon Pillar Packing Co Ltd | Rotary joint for slurry fluid |
| CN203248725U (en) * | 2013-05-13 | 2013-10-23 | 方高云 | Oil seal mechanical shaft seal |
| CN203847067U (en) * | 2013-12-10 | 2014-09-24 | 中国石油集团西部钻探工程有限公司 | Two-stage pressure differential slide bushing |
| CN105696965A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Electric packer |
| CN108119424A (en) * | 2018-01-03 | 2018-06-05 | 中国石油集团西部钻探工程有限公司 | Rotary steering double-piston hydraulic device |
| CN208777900U (en) * | 2018-09-18 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Sound fluid path attachment device in rotary steering mechanism |
-
2018
- 2018-09-18 CN CN201811090091.7A patent/CN108952574A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06264435A (en) * | 1993-03-11 | 1994-09-20 | Kowa Sangyo Kk | Cement milk injection type down-hole hammer |
| CN1147604A (en) * | 1995-10-11 | 1997-04-16 | 余毅钦 | Hydrauic automatically-controlled elastic-interference dynamically-sealed oil cylinder |
| JP2001141150A (en) * | 1999-11-18 | 2001-05-25 | Nippon Pillar Packing Co Ltd | Multiple flow passage type rotary joint |
| JP2010270834A (en) * | 2009-05-21 | 2010-12-02 | Nippon Pillar Packing Co Ltd | Rotary joint for slurry fluid |
| CN101852069A (en) * | 2010-02-09 | 2010-10-06 | 西南石油大学 | Supporting rotating control head of underbalanced coal bed methane well drilling |
| CN203248725U (en) * | 2013-05-13 | 2013-10-23 | 方高云 | Oil seal mechanical shaft seal |
| CN203847067U (en) * | 2013-12-10 | 2014-09-24 | 中国石油集团西部钻探工程有限公司 | Two-stage pressure differential slide bushing |
| CN105696965A (en) * | 2016-04-20 | 2016-06-22 | 中国石油集团西部钻探工程有限公司 | Electric packer |
| CN108119424A (en) * | 2018-01-03 | 2018-06-05 | 中国石油集团西部钻探工程有限公司 | Rotary steering double-piston hydraulic device |
| CN208777900U (en) * | 2018-09-18 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Sound fluid path attachment device in rotary steering mechanism |
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Effective date of registration: 20191015 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Applicant after: PetroChina Natural Gas Group Co., Ltd. Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 Drilling Engineering Research Institute, No. 98 Youyi Road, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region Applicant before: CNPC Xibu Drilling Engineering Company Limited |
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