CN104295267A - Automatic grouting integrated type drilling liner cementing pressure building ball seat device - Google Patents
Automatic grouting integrated type drilling liner cementing pressure building ball seat device Download PDFInfo
- Publication number
- CN104295267A CN104295267A CN201410581223.1A CN201410581223A CN104295267A CN 104295267 A CN104295267 A CN 104295267A CN 201410581223 A CN201410581223 A CN 201410581223A CN 104295267 A CN104295267 A CN 104295267A
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- Prior art keywords
- valve
- ball seat
- seat
- hanging platform
- annular hanging
- Prior art date
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- 238000005553 drilling Methods 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 206010024453 Ligament sprain Diseases 0.000 description 5
- 208000010040 Sprains and Strains Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
Landscapes
- 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)
- Check Valves (AREA)
Abstract
The invention relates to the technical field of cementing pressure building ball seat devices, in particular to an automatic grouting integrated type drilling liner cementing pressure building ball seat device. The automatic grouting integrated type drilling liner cementing pressure building ball seat device comprises a valve seat, a body, a supporting cylinder, a ball seat, a valve body and a compression spring. The valve seat is fixedly installed in an inner cavity of the upper portion of the body. The supporting cylinder is fixedly installed in an inner cavity of the lower portion of the body. An upper step and a lower step are fixed to the inner wall of the supporting cylinder from top to bottom in an integrated mode, wherein the inner diameters of the upper step and the lower step become smaller in sequence. The automatic grouting integrated type drilling liner cementing pressure building ball seat device is simple, reasonable and compact in structure and convenient to use. After a shear pin is sheared off, the lower portion of the ball seat is converted into a forcing float collar, a drilling liner cementing pressure building ball seat and the automatic grouting float collar are integrated, automatic grouting can be achieved in the casing running process, the continuity for a pipe string to enter a well is improved, work time is saved, the risk of well-completion practice is lowered, after a hole is closed, liquid on the lower portion can be prevented from flowing back, zero return pressure of a well mouth is achieved, the length of a packed oil reservoir section can be reduced under the condition that a packer is located at a fixed position, and the yield is increased. The automatic grouting integrated type drilling liner cementing pressure building ball seat device is particularly suitable for middle-deep wells and deep wells.
Description
Technical field
the present invention relates to well cementation to build the pressure tee apparatus technical field, is a kind ofly to build the pressure tee apparatus from the well cementation of grouting integral tail tube.
Background technology
pressure ball seat of spraining is a kind of attachment conventional in the solid completion of tail pipe, to well head pitching after desired location under completion tubular string, is pumped to the ball seat wedge that realizes spraining and hangs extension hanger, and the pressure that continues to sprain is shot down ball seat and set up circulation, carries out lower step operation.Existing pressure ball seat bottom of spraining is connected with pressure float collar, needs well head to be in the milk, the continuity entered under reducing pipe string in setting of casing process, man-hour is longer, and the lower completion tubular string time is long, cause in well static for a long time, give well construction and bring such as desilting, hole collapse equivalent risk.
Summary of the invention
the invention provides and a kind of to build the pressure tee apparatus from the well cementation of grouting integral tail tube, overcome the deficiency of above-mentioned prior art, it effectively can solve the existing ball seat that builds the pressure needs grouting to cause the discontinuous problem of lower pipe string operation in setting of casing process.
technical scheme of the present invention is realized by following measures: a kind of to build the pressure tee apparatus from the well cementation of grouting integral tail tube, comprises valve seat, body, support tube, ball seat, valve body and Compress Spring, valve seat is fixedly mounted in the top inner chamber of body, support tube is installed with in the lower lumen of body, what the inwall of support tube is integrally fixed with internal diameter reduces successively from top to bottom topping bar and getting out of a predicament or an embarrassing situation, the lower end inner wall of support tube is integrally fixed with annular hanging platform, annular hanging platform is distributed with axial oblique outer inclined hole, the internal diameter of topping bar and the diameter compatible of valve seat, the internal diameter of getting out of a predicament or an embarrassing situation is greater than the internal diameter of annular hanging platform, the bottom of ball seat is positioned at the upper, annular cavity of topping bar and is fixedly installed togather by shear pin, the external wall of upper portion of ball seat and the inwall of valve seat are close together, the lower end inner wall of valve seat has the step groove of annular, the ball seat of corresponding step groove there is radial direction through hole, the external diameter of ball seat and valve seat bore and diameter compatible of topping bar, ball seat outer wall below shear pin there is locked groove, in locked groove, elastic locking piece is installed, lock dog self-locking grooves is had in the bottom of topping bar, valve body is set with in annular hanging platform, valve body lower end below annular hanging platform is installed with the spacing ring that external diameter is greater than annular hanging platform internal diameter, it is hemispheric valve head that the upper end of valve body is integrally fixed with upper end, the external diameter of valve head is greater than the external diameter of valve body, the external diameter of valve head is less than the internal diameter of getting out of a predicament or an embarrassing situation, be greater than the internal diameter of annular hanging platform, Compress Spring is installed with between valve head and annular hanging platform.
here is the further optimization and/or improvements to foregoing invention technical scheme:
the upper surface of above-mentioned valve seat is up big and down small taper seat, and the upper end of ball seat is the taper seat matched with the taper seat of valve seat upper end, and the lower surface of ball seat is up-small and down-big taper seat.
the above-mentioned upper surface at valve head is installed with the rubber bodies matched with valve head.
the upper surface of the annular hanging platform outside above-mentioned valve body is integrally fixed with position-limiting drum, valve outer wall below valve head is integrally fixed with the limited step corresponding with position-limiting drum, be installed with Compress Spring between annular hanging platform upper end outside valve head lower end outside limited step and position-limiting drum, axially extending bore is positioned on the annular hanging platform outside position-limiting drum.
be installed with sealing ring between above-mentioned body and valve seat, between ball seat and valve seat, be installed with sealing ring, the inwall of topping bar above shear pin is installed with sealing ring.
above-mentioned valve seat is fixedly mounted in the top inner chamber of body by screw thread, support tube is installed with by screw thread in the lower lumen of body, valve body lower end below annular hanging platform is installed with by screw thread the spacing ring that external diameter is greater than annular hanging platform internal diameter, there is internal thread the upper end of body, and there is external screw thread the lower end of body.
the present invention is simple and reasonable and compact, easy to use, after cutting off shear pin, ball seat bottom is converted to pressure float collar, achieve drilling liner cementing sprain pressure ball seat with from grouting floating hoop one, automatic grouting can be realized in setting of casing process, add the continuity that pipe seals in well, save man-hour, reduced the risk of completion practice, closed Kong Houke and stop lower liquid backflow, realize well head zero back pressure, can shorten when packer location is certain by oil-separating layer segment length, increase yield, be particularly suitable for using in middle-deep well and deep-well.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks half section structural representation.
accompanying drawing 2 looks half section structural representation for the present invention drops into the master after pitching.
accompanying drawing 3 for the present invention cut off after shear pin master look half section structural representation.
coding in accompanying drawing is respectively: 1 is valve seat, and 2 is body, and 3 is support tube, and 4 for topping bar, 5 for getting out of a predicament or an embarrassing situation, and 6 is annular hanging platform, and 7 is inclined hole, and 8 is shear pin, 9 is ball seat, and 10 is step groove, and 11 is radial direction through hole, and 12 is locked groove, 13 is elastic locking piece, and 14 is valve body, and 15 is spacing ring, and 16 is valve head, 17 is Compress Spring, and 18 is pitching, and 19 is rubber bodies, and 20 is position-limiting drum, 21 is limited step, and 22 is sealing ring, and 23 is lock dog self-locking grooves.
Detailed description of the invention
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in Figure 1, valve seat 1, body 2, support tube 3, ball seat 9, valve body 14 and Compress Spring 17 should be comprised from grouting integral tail tube well cementation tee apparatus that builds the pressure, valve seat 1 is fixedly mounted in the top inner chamber of body 2, support tube 3 is installed with in the lower lumen of body 2, what the inwall of support tube 3 is integrally fixed with internal diameter reduces successively from top to bottom tops bar 4 and get out of a predicament or an embarrassing situation 5, the lower end inner wall of support tube 3 is integrally fixed with annular hanging platform 6, annular hanging platform 6 is distributed with axial oblique outer inclined hole 7, to top bar the internal diameter of 4 and the diameter compatible of valve seat 1, get out of a predicament or an embarrassing situation 5 internal diameter be greater than the internal diameter of annular hanging platform 6, the bottom of ball seat 9 be positioned at top bar 4 upper, annular cavity and be fixedly installed togather by shear pin 8, the external wall of upper portion of ball seat and the inwall of valve seat are close together, the lower end inner wall of valve seat 1 has the step groove 10 of annular, the ball seat 9 of corresponding step groove 10 there is radial direction through hole 11, the external diameter of ball seat 9 and valve seat 1 internal diameter and 4 diameter compatible of topping bar, ball seat outer wall below shear pin there is locked groove 12, elastic locking piece 13 is installed in locked groove 12, lock dog self-locking grooves 23 is had in the bottom of topping bar, valve body 14 is set with in annular hanging platform 6, valve body 14 lower end below annular hanging platform 6 is installed with the spacing ring 15 that external diameter is greater than annular hanging platform 6 internal diameter, it is hemispheric valve head 16 that the upper end of valve body 14 is integrally fixed with upper end, the external diameter of valve head 16 is greater than the external diameter of valve body 14, the external diameter of valve head 16 be less than get out of a predicament or an embarrassing situation 5 internal diameter, be greater than the internal diameter of annular hanging platform 6, Compress Spring 17 is installed with between valve head 15 and annular hanging platform 6.Retaining steel ball 13 pairs of ball seats 9 form self-locking, prevent ball seat 9 descending rear up, and spacing ring 15 plays fixed valve body 14 and limiting valve body 14 position, and spacing ring 15 makes Compress Spring 17 always outer in compressive state, when making ball seat 9 descending and valve body 14 formed and seal; Valve seat 1, ball seat 9, valve body 14, support tube 3, spacing ring 15 are easily brill material and make, and remove Gu can bore after completion.
original state lower ball base does not contact with valve head, inside of the present invention is a circulation canal, automatic grouting can be realized, after completion tubular string all enters well, pitching 18 to be pumped in ball seat 9 and to form sealing in ball seat 8 upper end, when pressure reaches hanger seat extension pressure, hanger seat is hung, continue pressure of spraining, as shown in Figure 2, when pressure reaches the shear pressure of shear pin 8, cut off shear pin 8, promote ball seat 9 and come downwards to the lower end seat of ball seat 9 on the upper surface of getting out of a predicament or an embarrassing situation 5, elastic locking piece 13 enters lock dog self-locking grooves 23, prevent ball seat 9 up, ball seat 9 promotes valve body 14 and continues descending, the now inner chamber of valve seat 1, body 2 inner chamber, radial direction through hole 11, new circulation canal is formed between the axial passage of ball seat 9 inside, under the effect of Compress Spring 17, valve head 16 is formed with the lower surface of ball seat 9 and seals, as shown in Figure 3, structure of the present invention is simple, the sprain pressure that to continue after the hanging hanging device of wedge to sprain of pitching 18 is cut off shear pin 8 and is shot down ball seat 9, ball seat 9 bottom is converted to pressure float collar, achieve drilling liner cementing sprain pressure ball seat with from grouting floating hoop one, automatic grouting can be realized in setting of casing process, add the continuity that pipe seals in well, save man-hour, reduce the risk of completion practice, back-off is given up extension hanger, carry out well cementing operation, close Kong Houke and stop lower liquid backflow, realize well head zero back pressure, can shorten when packer location is certain by oil-separating layer segment length, increase yield, be particularly suitable for using in middle-deep well and deep-well, inclined hole 7 is arranged to oblique outer inclined hole, compared to vertical axially extending bore, during well cementation, fluid can form eddy flow, like this can elimination channeling, improving displacement efficiency makes displacement efficiency improve 15% to 20%, and it is oblique outer, be more suitable for fluid and form eddy flow.
can according to actual needs, make further optimization and/or improvements from the grouting integral tail tube well cementation tee apparatus that builds the pressure above-mentioned:
as shown in Figure 1, the upper surface of valve seat 1 is up big and down small taper seat, and the upper end of ball seat 9 is the taper seat matched with the taper seat of valve seat 1 upper end, and the lower surface of ball seat 9 is up-small and down-big taper seat.The upper surface of valve seat 1 and ball seat 9 is the taper seat cooperatively interacted, can be convenient make pitching 18 on the upper surface of ball seat 9, formed seal preferably; The lower surface of ball seat 9 is taper seat, can ensure that there is good contact the upper surface of valve head 16 with the lower surface of ball seat 9, is formed and seals preferably.
as shown in Figure 1, the rubber bodies 19 matched with valve head 16 is installed with in the upper surface of valve head 16.The upper surface of valve head 16 is installed with rubber bodies 19, and the lower end contacting ball seat 9 under valve head 16 low pressure promotes forms sealing, effectively prevents lower flow from entering in sleeve pipe.
as shown in Figure 1, the upper surface of the annular hanging platform 6 outside valve body 14 is integrally fixed with position-limiting drum 20, valve body 14 outer wall below valve head 16 is integrally fixed with the limited step 21 corresponding with position-limiting drum 20, be installed with Compress Spring 17 between valve head 16 lower end outside limited step 21 and annular hanging platform 6 upper end outside position-limiting drum 20, axially extending bore 7 is positioned on the annular hanging platform 6 outside position-limiting drum 20.The cooperation of limited step 21 and position-limiting drum 20, can prevent valve body 14 Bottom Runby excessive, cause the damage of Compress Spring 17, can play good protective effect to Compress Spring 17.
as shown in Figure 1, between body 2 and valve seat 1, be installed with sealing ring 22, between ball seat 9 and valve seat 1, be installed with sealing ring 22,4 inwalls of topping bar above shear pin 8 are installed with sealing ring 22.Sealing ring 22 between body 2 and valve seat 1, the sealing ring 22 between ball seat 9 and valve seat 1 all can play good static seal effect, 4 inwalls of topping bar above shear pin 8 are installed with sealing ring 22 and can play good movable sealing effect between ball seat 9 and support tube 3.
as shown in Figure 1, valve seat 1 is fixedly mounted in the top inner chamber of body 2 by screw thread, support tube 3 is installed with by screw thread in the lower lumen of body 2, valve body 14 lower end below annular hanging platform 6 is installed with by screw thread the spacing ring 15 that external diameter is greater than annular hanging platform 6 internal diameter, there is internal thread the upper end of body 2, and there is external screw thread the lower end of body 2.Be threaded and be easily installed in dismounting.
above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. to build the pressure a tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that comprising valve seat, body, support tube, ball seat, valve body and Compress Spring, valve seat is fixedly mounted in the top inner chamber of body, support tube is installed with in the lower lumen of body, what the inwall of support tube is integrally fixed with internal diameter reduces successively from top to bottom topping bar and getting out of a predicament or an embarrassing situation, the lower end inner wall of support tube is integrally fixed with annular hanging platform, annular hanging platform is distributed with axial oblique outer inclined hole, the internal diameter of topping bar and the diameter compatible of valve seat, the internal diameter of getting out of a predicament or an embarrassing situation is greater than the internal diameter of annular hanging platform, the bottom of ball seat is positioned at the upper, annular cavity of topping bar and is fixedly installed togather by shear pin, the external wall of upper portion of ball seat and the inwall of valve seat are close together, the lower end inner wall of valve seat has the step groove of annular, the ball seat of corresponding step groove there is radial direction through hole, the external diameter of ball seat and valve seat bore and diameter compatible of topping bar, ball seat outer wall below shear pin there is locked groove, in locked groove, elastic locking piece is installed, lock dog self-locking grooves is had in the bottom of topping bar, valve body is set with in annular hanging platform, valve body lower end below annular hanging platform is installed with the spacing ring that external diameter is greater than annular hanging platform internal diameter, it is hemispheric valve head that the upper end of valve body is integrally fixed with upper end, the external diameter of valve head is greater than the external diameter of valve body, the external diameter of valve head is less than the internal diameter of getting out of a predicament or an embarrassing situation, be greater than the internal diameter of annular hanging platform, Compress Spring is installed with between valve head and annular hanging platform.
2. according to claim 1ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that the upper surface of valve seat is up big and down small taper seat, the upper end of ball seat is the taper seat matched with the taper seat of valve seat upper end, and the lower surface of ball seat is up-small and down-big taper seat.
3. according to claim 1 and 2ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that being installed with in the upper surface of valve head the rubber bodies matched with valve head.
4. according to claim 1 and 2ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, the upper surface that it is characterized in that the annular hanging platform outside valve body is integrally fixed with position-limiting drum, valve outer wall below valve head is integrally fixed with the limited step corresponding with position-limiting drum, be installed with Compress Spring between annular hanging platform upper end outside valve head lower end outside limited step and position-limiting drum, axially extending bore is positioned on the annular hanging platform outside position-limiting drum.
5. according to claim 3ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, the upper surface that it is characterized in that the annular hanging platform outside valve body is integrally fixed with position-limiting drum, valve outer wall below valve head is integrally fixed with the limited step corresponding with position-limiting drum, be installed with Compress Spring between annular hanging platform upper end outside valve head lower end outside limited step and position-limiting drum, axially extending bore is positioned on the annular hanging platform outside position-limiting drum.
6. according to claim 1 and 2ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that being installed with sealing ring between body and valve seat, be installed with sealing ring between ball seat and valve seat, the inwall of topping bar above shear pin is installed with sealing ring.
7. according to claim 3ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that being installed with sealing ring between body and valve seat, be installed with sealing ring between ball seat and valve seat, the inwall of topping bar above shear pin is installed with sealing ring.
8. according to claim 4ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that being installed with sealing ring between body and valve seat, be installed with sealing ring between ball seat and valve seat, the inwall of topping bar above shear pin is installed with sealing ring.
9. according to claim 5ly to build the pressure tee apparatus from the well cementation of grouting integral tail tube, it is characterized in that being installed with sealing ring between body and valve seat, be installed with sealing ring between ball seat and valve seat, the inwall of topping bar above shear pin is installed with sealing ring.
10. to build the pressure tee apparatus from the well cementation of grouting integral tail tube according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that valve seat is fixedly mounted in the top inner chamber of body by screw thread, support tube is installed with by screw thread in the lower lumen of body, valve body lower end below annular hanging platform is installed with by screw thread the spacing ring that external diameter is greater than annular hanging platform internal diameter, there is internal thread the upper end of body, and there is external screw thread the lower end of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581223.1A CN104295267A (en) | 2014-10-27 | 2014-10-27 | Automatic grouting integrated type drilling liner cementing pressure building ball seat device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581223.1A CN104295267A (en) | 2014-10-27 | 2014-10-27 | Automatic grouting integrated type drilling liner cementing pressure building ball seat device |
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| Publication Number | Publication Date |
|---|---|
| CN104295267A true CN104295267A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410581223.1A Pending CN104295267A (en) | 2014-10-27 | 2014-10-27 | Automatic grouting integrated type drilling liner cementing pressure building ball seat device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227943A (en) * | 2017-07-21 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Tieback inserts cementing assembly |
| CN108119093A (en) * | 2017-12-06 | 2018-06-05 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | Well cementation casing automatic grouting equipment |
| CN108119095A (en) * | 2017-12-15 | 2018-06-05 | 中国石油集团西部钻探工程有限公司 | From grouting drilling liner cementing ball seat |
| CN111561294A (en) * | 2020-05-22 | 2020-08-21 | 王瑞奇 | Automatic grouting sleeve and well cementing method |
| CN113006735A (en) * | 2021-03-22 | 2021-06-22 | 中国石油天然气集团有限公司 | Floating ball type self-grouting floating hoop and continuous uninterrupted casing running method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135057Y (en) * | 1992-08-29 | 1993-06-02 | 李兴洲 | Impacting device for non-filling or fitting well cementation during setting casing |
| CN2429626Y (en) * | 2000-02-18 | 2001-05-09 | 李兴洲 | Self filling valve for well cementing |
| CN202325378U (en) * | 2011-10-18 | 2012-07-11 | 中国石油化工股份有限公司 | Down-hole isolation device |
| WO2012162792A1 (en) * | 2011-05-30 | 2012-12-06 | Packers Plus Energy Services Inc. | Wellbore cementing tool having one way flow |
| CN202706983U (en) * | 2012-07-25 | 2013-01-30 | 曹双勇 | Self-filling type collision pressure assembly |
| CN202946103U (en) * | 2012-12-07 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Half-path well-cementing stage cementing device without drilling inner sleeve |
| CN202946106U (en) * | 2012-12-07 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Grouting-free forcing type float collar |
| CN202946100U (en) * | 2012-12-07 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Halfway well cementation self-grouting float collar |
| CN203515413U (en) * | 2013-09-17 | 2014-04-02 | 中国石油集团西部钻探工程有限公司 | Mechanical and hydraulic dual-action ground anchor assembly |
| CN204186348U (en) * | 2014-10-27 | 2015-03-04 | 中国石油集团西部钻探工程有限公司 | To build the pressure tee apparatus from the well cementation of grouting integral tail tube |
-
2014
- 2014-10-27 CN CN201410581223.1A patent/CN104295267A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135057Y (en) * | 1992-08-29 | 1993-06-02 | 李兴洲 | Impacting device for non-filling or fitting well cementation during setting casing |
| CN2429626Y (en) * | 2000-02-18 | 2001-05-09 | 李兴洲 | Self filling valve for well cementing |
| WO2012162792A1 (en) * | 2011-05-30 | 2012-12-06 | Packers Plus Energy Services Inc. | Wellbore cementing tool having one way flow |
| CN202325378U (en) * | 2011-10-18 | 2012-07-11 | 中国石油化工股份有限公司 | Down-hole isolation device |
| CN202706983U (en) * | 2012-07-25 | 2013-01-30 | 曹双勇 | Self-filling type collision pressure assembly |
| CN202946103U (en) * | 2012-12-07 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Half-path well-cementing stage cementing device without drilling inner sleeve |
| CN202946106U (en) * | 2012-12-07 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Grouting-free forcing type float collar |
| CN202946100U (en) * | 2012-12-07 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Halfway well cementation self-grouting float collar |
| CN203515413U (en) * | 2013-09-17 | 2014-04-02 | 中国石油集团西部钻探工程有限公司 | Mechanical and hydraulic dual-action ground anchor assembly |
| CN204186348U (en) * | 2014-10-27 | 2015-03-04 | 中国石油集团西部钻探工程有限公司 | To build the pressure tee apparatus from the well cementation of grouting integral tail tube |
Non-Patent Citations (2)
| Title |
|---|
| 樊腊生等: "《汶川地震断裂带科学钻探项目尾管固井技术的应用》", 《探矿工程（岩土钻掘工程）》 * |
| 牟忠信: "《哈萨克斯坦盐上井固井技术研究》", 《钻采工艺》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227943A (en) * | 2017-07-21 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Tieback inserts cementing assembly |
| CN108119093A (en) * | 2017-12-06 | 2018-06-05 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | Well cementation casing automatic grouting equipment |
| CN108119095A (en) * | 2017-12-15 | 2018-06-05 | 中国石油集团西部钻探工程有限公司 | From grouting drilling liner cementing ball seat |
| CN108119095B (en) * | 2017-12-15 | 2024-03-26 | 中国石油天然气集团有限公司 | Self-grouting liner cementing ball seat |
| CN111561294A (en) * | 2020-05-22 | 2020-08-21 | 王瑞奇 | Automatic grouting sleeve and well cementing method |
| CN113006735A (en) * | 2021-03-22 | 2021-06-22 | 中国石油天然气集团有限公司 | Floating ball type self-grouting floating hoop and continuous uninterrupted casing running method |
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Address after: 834000 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, Xinjiang, China Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 West Drilling Engineering Institute, No. 98 Youyi Road, the Xinjiang Uygur Autonomous Region, Karamay Applicant before: CNPC Xibu Drilling Engineering Company Limited |
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Application publication date: 20150121 |