CN105672944A - Sliding sleeve opening device - Google Patents
Sliding sleeve opening device Download PDFInfo
- Publication number
- CN105672944A CN105672944A CN201610036826.2A CN201610036826A CN105672944A CN 105672944 A CN105672944 A CN 105672944A CN 201610036826 A CN201610036826 A CN 201610036826A CN 105672944 A CN105672944 A CN 105672944A
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- China
- Prior art keywords
- sliding sleeve
- opening device
- sleeve opening
- section
- elastic card
- Prior art date
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- 239000012530 fluid Substances 0.000 claims abstract description 31
- 210000000078 claw Anatomy 0.000 claims description 55
- 239000000725 suspension Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008602 contraction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000012360 testing method Methods 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
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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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a sliding sleeve opening device which comprises a clamping hanging part, a ball seat and a salvage part, wherein the clamping hanging part comprises a connecting section, a clamping hanging section and a first fluid channel; the inner wall of the first fluid channel is provided with a locking part; the ball seat comprises a connecting end connected with the connecting section, a guiding end opposite to the connecting end and a second fluid channel formed between the connecting end and the guiding end. The salvage part is connected with the ball seat. The ball seat is arranged between the clamping hanging part and the salvage part. The sliding sleeve opening device comprises the ball seat provided with the salvage part, and thus the whole sliding sleeve opening device has a salvage function. Thus, a whole sliding sleeve opening device string formed by series connection can be fished out of a shaft in one time through a fishing tool, and the fishing working efficiency is improved.
Description
Technical field
The present invention relates to oil gas field stimulation technology field, particularly relate to a kind of sliding sleeve opening device.
Background technology
Along with the exploitation of oil-gas reservoir advances to hypotonic compact reservoir, matched conventional tool technology no longer meets needs. Sliding sleeve is communication one of oil jacket annular space, key tool realizing separate stratum fracfturing in fracturing process. In oil gas well completion gas testing process, by the opening action of sliding sleeve, oil jacket annular space is connected, to realize circulation, for the operation such as liquid, sand fracturing. Monolayer construction operation only needs a sliding sleeve, but multilamellar section construction then needs to concatenate multiple sliding sleeve on one-trip string, opens one-level, pressure break one layer during construction from bottom to up. Along with going deep into of tight gas reservoir exploration and development, horizontal well horizontal segment is more and more longer, and sand fracturing segments gets more and more, and ten grades, 20 grades even the sliding sleeve technology of tens of grades are brought into schedule.
Tradition sliding sleeve adopts ball as the mechanism that builds the pressure, ball and ball seat one_to_one corresponding, and bulb diameter is more than latus rectum in seat of receiving. When adopting multistage sliding sleeve operation, different balls and seat of receiving increase step by step according to necessarily differential. Put into ball during construction from small to large successively, just open corresponding sliding sleeve. For the deficiency overcoming tradition sliding sleeve technology to exist, occur in that some can realize the Novel sliding sleeve technology of more progression in theory successively both at home and abroad, such as design compound sliding sleeve, and be furnished with and special open instrument, realize opening compound sliding sleeve by opening instrument and automatically uniquely coordinating of sliding sleeve.
But, at present after employing is opened TO compound sliding sleeve and completed pressing crack construction, the instrument of opening can only be salvaged pit shaft, inefficiency seriatim by single.
Summary of the invention
The technical problem to be solved be in order to overcome prior art is opened instrument can only by single pit shaft of salvaging one by one, ineffective deficiency.
For the problems referred to above, the present invention proposes a kind of sliding sleeve opening device, including: card suspension member, hang section and first fluid passage including linkage section, card; The inwall of described first fluid passage is provided with lock part; Ball seat, is connected, with described, leading end and the formation second fluid passage between described connection end and leading end that end is oppositely arranged including the end that connects being connected with described linkage section; Salvage part, be connected with described ball seat; Wherein, described ball seat is arranged on described card suspension member and salvages between part.
Sliding sleeve opening device according to the present invention, it includes being provided with the ball seat salvaging part, so that whole sliding sleeve opening device has salvaging function.When pit shaft is transferred at least two sliding sleeve opening device, can pass through between two adjacent sliding sleeve opening devices to salvage part with lock part locking to be connected in series with each other into an entirety, thus all of sliding sleeve opening device can be connected into an entirety. So, use fishing tool disposable can salvage pit shaft by being connected into an overall sliding sleeve opening device string, improve salvage efficiency.
In one embodiment, described card suspension member also includes being arranged on described first fluid passage and is positioned at the stopper section on the inwall of described linkage section, and described stopper section forms cage with the part being connected end, is provided with ball sealer in described cage. In advance ball sealer is encapsulated in cage, it is not necessary to follow-up pitching, reduces construction procedure.
In one embodiment, described card is hung section and is included at least two axis circumference equally distributed first elastic card claw and be arranged on the hook part on the outer peripheral face of described first elastic card claw around described card suspension member. First elastic card claw can radial deformation, convenient by sliding sleeve opening device lower going-into-well cylinder. After being lowered into position, the first elastic card claw automatically resets so that hook part matches with sliding sleeve.
In one embodiment, it is provided with chamfering structure between end face and the outer peripheral face of the free end of described first elastic card claw. The inclined-plane of chamfering structure has guiding function, is conducive to matching with the leading end of adjacent sliding sleeve opening device.
In one embodiment, described lock part include being arranged on described first fluid passage be positioned at described linkage section inwall on ratchet ring, described interior ratchet ring and the part being connected end form cage, are provided with ball sealer in described cage. Interior ratchet ring is used for and adjacent salvaging part phase locking. In advance ball sealer is encapsulated in cage, it is not necessary to follow-up pitching, saves construction procedure.
In one embodiment, the inwall of described second fluid passage being provided with installation portion, described salvaging part includes the base cylinder being connected with described installation portion and the salvaging portion being connected with described base cylinder. Salvaging portion is mutually locked cooperation to be connected in series by adjacent sliding sleeve opening device with lock part.
In one embodiment, described salvaging portion include from described base cylinder along described base cylinder axially extending go out the second elastic card claw and be arranged on described second elastic card claw free end outer peripheral face on outer ratchet. Outer ratchet forms ratchet with interior ratchet and is engaged, and stable connection is reliable.
In one embodiment, described base cylinder arranges described second elastic card claw that at least two is arranged along the circumferential uniform intervals of described base cylinder. Second elastic card claw has radial deformation capabilities such that it is able to conveniently stretch in adjacent sliding sleeve opening device, so that outer ratchet and interior ratchet ring locking.
In one embodiment, described second fluid passage includes the bellmouth section being arranged on described leading end, and the big opening end of described bellmouth section is towards external environment condition. Bellmouth section has guiding function.
In one embodiment, described connection end is provided with ring-shaped rubber part and with described ring-shaped rubber part against pressure ring. Ring-shaped rubber part and pressure ring composition boosting structure, ring-shaped rubber part can fill the gap between the outer peripheral face and the sliding sleeve inwall that connect end of sliding sleeve opening device, thus reducing the fluid inflow-rate of water turbine at this place, being conducive to outside pump pressure to push sliding sleeve opening device and moving axially along pit shaft.
Accompanying drawing explanation
Based on embodiment reference accompanying drawing, the present invention will be described in more detail hereinafter.
Fig. 1 is the sectional structure schematic diagram of the sliding sleeve opening device of the embodiment of the present invention.
In the accompanying drawings, identical parts use identical accompanying drawing labelling. Accompanying drawing is not drawn according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 show schematically show the sectional structure of the sliding sleeve opening device 10 of the embodiment of the present invention.
The sliding sleeve opening device 10 of the embodiment of the present invention, hangs the ball seat 12 that the card suspension member 11 being connected is connected and the salvaging part 13 being connected with ball seat 12 with card suspension member 11 including for blocking mutually with sliding sleeve.
When needs carry out sliding sleeve opening device 10 salvage, transferring in pit shaft by outside fishing tool, first outside fishing tool is connected with first sliding sleeve opening device 10. Then, continuing to transfer outside fishing tool, outside fishing tool will promote first sliding sleeve opening device 10 to move to deep wellbore. Until the salvaging part 13 of first sliding sleeve opening device 10 is connected with second sliding sleeve opening device 10, by that analogy, until the salvaging part 13 of penultimate sliding sleeve opening device 10 is connected with last sliding sleeve opening device 10, now, all sliding sleeve opening devices 10 in pit shaft are sequentially connected in series one entirety of formation, stop transferring outside fishing tool. Reversely lifting up outside fishing tool, the sliding sleeve opening device 10 that outside fishing tool can carry bunchiness lifts up and the most all sliding sleeve opening devices 10 propose pit shaft. So, fishing tool is used can once to salvage multiple sliding sleeve opening device 10, thus improve salvage efficiency.
Card suspension member 11 includes the card that linkage section 111 is connected with linkage section 111 and hangs section 112 and run through linkage section 111 and the first fluid passage of section 112 hung by card. First fluid passage is positioned on the inwall of linkage section 111 and is provided with lock part. Card hang section 112 include from the end face of linkage section 111 along connecting portion axially extending go out the first elastic card claw 112a and be arranged on the hook part on the outer peripheral face of the first elastic card claw 112a.
In the present embodiment, card is hung section 112 and is included at least two axis equally distributed first elastic card claw 112a of circumference around linkage section 111. Preferably, card extension section 112 includes four the first elastic card claw 112a. Hook part includes at least two projection 112b. When being provided with multiple protruding 112b on the outer peripheral face of the first elastic card claw 112a, multiple protruding 112b are arranged along the bearing of trend interval of the first elastic card claw 112a. The inwall of sliding sleeve is provided with the groove matched with this projection 112b. Two the protruding 112b being positioned at two ends are provided with the guide surface towards the first elastic card claw 112a top and bottom, and the groove that sliding sleeve is arranged also has the inclined-plane matched with guide surface. The protruding 112b arranging guide surface can smoothly enter in the groove arranged on sliding sleeve or the groove arranged from sliding sleeve.
When transferring sliding sleeve opening device 10 in pit shaft, the first elastic card claw 112a is subject to the radial force effect of borehole wall applying and radial contraction occurs, it is ensured that sliding sleeve opening device 10 can be transferred smoothly. When sliding sleeve opening device 10 is delegated to the target sliding sleeve position matched with it, act on the radial force on the first elastic card claw 112a to disappear, first elastic card claw 112a can expand and be returned to original state, and then the protruding 112b that first on elastic card claw 112a can block on the groove being suspended to sliding sleeve, now sliding sleeve opening device 10 is in possess and opens sliding sleeve state.When sliding sleeve opening device 10 salvaged by needs, first elastic card claw 112a is applied radial forces so that radial contraction deformation occurs the first elastic card claw 112a, and then the protruding 112b arranged on it separates with the groove of sliding sleeve and eventually disengages from the card with sliding sleeve and hangs state, now sliding sleeve opening device 10 is in salvaged state.
In the present embodiment, what ball seat 12 included that the linkage section 111 with card suspension member 11 threadeds connect end 121 and the leading end 122 being connected end 121 and being oppositely arranged and form the second fluid passage between connection end 121 and leading end 122. The interstitial hole section 125 of hole section 123 and bellmouth section 124 is held in hold hole section 123, the bellmouth section 124 being arranged on leading end 122 and connection that second fluid passage includes towards card suspension member 11. Hold the diameter diameter more than interstitial hole section 125 of hole section 123. Hold the step surface between hole section 123 and interstitial hole section 125 and form the continuing surface accepting ball sealer 14.
In one embodiment, after sliding sleeve opening device 10 transfers to precalculated position, putting into ball sealer 14 from pit shaft opening part again, ball sealer 14 eventually falls in accommodation hole section 123 and matches to form sealing surface, packing first fluid passage and second fluid passage at this place with continuing surface. Then, outside pump pressure promotes sliding sleeve opening device 10 to move, and then sliding sleeve opening device 10 drives sliding sleeve to move sliding sleeve to open work.
In another embodiment, the cage holding ball sealer 14 is set in sliding sleeve opening device 10. So, ball sealer 14 and sliding sleeve opening device 10 are together transferred in pit shaft, it is not necessary to from pit shaft opening part pitching. Cage concrete structure it may be that first fluid passage be positioned at linkage section 111 inwall on ratchet ring 113 is set. Interior ratchet ring 113 is lock part. After ball seat 12 completes with card suspension member 11 to be connected, interior ratchet ring 113 with connect end 121 and hold the part formation cage that hole section 123 is corresponding. Ball sealer 14 is arranged in cage. Ball sealer 14 can be subject to the restriction of interior ratchet ring 113 in cage during free activity, from without deviating from from cage, reducing construction procedure, easy construction. Cage concrete structure it is also possible that first fluid passage be positioned at linkage section 111 inwall on the stopper section 114 of annular and protrusion is set. Stopper section 114 is relative to the interior ratchet ring 113 end closer to linkage section 111. After ball seat 12 completes with card suspension member 11 to be connected, stopper section 114 with connect end 121 and hold the part formation cage that hole section 123 is corresponding. Ball sealer 14 is arranged in cage. Ball sealer 14 can be subject to the restriction of stopper section 114 in cage during free activity, from without deviating from from cage and internally will not impact damage by ratchet ring 113. When sliding sleeve opening device 10 is transferred to precalculated position, so that it may directly sliding sleeve opening device 10 is carried out outside pump pressure work, shortens the engineering time. After outside pump pressure, ball sealer 14 is pressed on continuing surface to form sealing surface, and then completes sliding sleeve and open work.
Being provided with chamfering structure 115 between end face and the outer peripheral face of the free end of the first elastic card claw 112a, thus being formed with the inclined-plane towards external environment condition on the free end of the first elastic card claw 112a, this inclined-plane has guiding mating reaction. When upper level sliding sleeve opening device 10 is carried out salvage by promotion, it is arranged on the bellmouth section 124 of leading end 122 and matches for the free end of the first elastic card claw 112a with next stage sliding sleeve opening device 10.
After the inclined-plane of free end of the first elastic card claw 112a contacts with the hole wall of bellmouth section 124, when two sliding sleeve opening devices 10 continue to move towards, the inclined-plane of the free end of the first elastic card claw 112a can along the hole wall Relative sliding of bellmouth section 124, and then leading end 122 can to first elastic card claw 112a apply radial forces so that first elastic card claw 112a occur radial contraction. Being gradually inserted in the process of bellmouth section 124 at the first elastic card claw 112a, the protruding 112b of the first elastic card claw 112a also exits gradually from the groove of sliding sleeve. Finally, under the effect of leading end 122, sliding sleeve opening device 10 departs from card extension state with sliding sleeve and enters salvaged state.
After the first elastic card claw 112a of the sliding sleeve opening device 10 of next stage departs from sliding sleeve under the effect of the leading end 122 of the sliding sleeve opening device 10 of upper level, first elastic card claw 112a reaches maximum in the insertion of the bellmouth section 124 of leading end 122, so that the sliding sleeve opening device 10 that the leading end 122 of the sliding sleeve opening device 10 of upper level can pass through the first elastic card claw 112a propelling movement next stage moves to the sliding sleeve opening device 10 of next stage again.
The osculum end of bellmouth section 124 is connected with interstitial hole section 125, and big opening end is towards outside. In one embodiment, the diameter of the big opening end of bellmouth section 124 is less than the diameter of leading end 122, thus leading end 122 has end face. This end face is arc-shaped, is namely respectively arranged with fillet structure between end face and the outer peripheral face of leading end 122 and between the hole wall of bellmouth section 124.
The inwall of the interstitial hole section 125 of second fluid passage is provided with installation portion. Salvage the base cylinder 131 that part 13 includes being connected with installation portion. In the present embodiment, installation portion is screw thread. Base cylinder 131 is threadeded with ball seat 12. Base cylinder 131 includes the centre bore being connected with second fluid passage. Salvage the salvaging portion 132 that part 13 also includes being connected with base cylinder 131. The salvaging portion 132 of the sliding sleeve opening device 10 of upper level is for salvaging the sliding sleeve opening device 10 of next stage.
In the present embodiment, salvaging portion 132 include from the end face of base cylinder 131 along base cylinder 131 axially extending go out the second elastic card claw 132a and be arranged on the second elastic card claw 132a free end outer peripheral face on outer ratchet 132b. Base cylinder 131 is provided with the second elastic card claw 132a possessing elastomeric radial ability that at least two is arranged along the circumferential uniform intervals of base cylinder 131. So, the second elastic card claw 132a can occur radial contraction to deform when being subject to radial force effect. Preferably, base cylinder 131 arranges four the second elastic card claw 132a. When carrying out bunchiness salvage, the second elastic card claw 132a of the sliding sleeve opening device 10 of upper level can extend in the first fluid passage of the card suspension member 11 of the sliding sleeve opening device 10 of next stage. It is inserted into interior ratchet ring 113 after second elastic card claw 132a radial contraction deformation, when after the outer ratchet 132b and the para-position of interior ratchet ring 113 of the second elastic card claw 132a, second elastic card claw 132a radial dilatation homing, and then outer ratchet 132b is engaged with interior ratchet ring 113 locking, now, the sliding sleeve opening device 10 of upper level completes to be connected with the sliding sleeve opening device 10 of next stage and is co-located on salvaged state.
As it is shown in figure 1, connect end 121 is provided with ring-shaped rubber part 98 and with ring-shaped rubber part 98 against pressure ring 99.Connect and the end of end 121 is provided with step. Ring-shaped rubber part 98 is set on connection end 121. Then, pressure ring 99 it is set on connection end 121 and is resisted against on ring-shaped rubber part 98. Finally threadeding connecting end 121 with the linkage section 111 of card suspension member 11, the end face of linkage section 111 jointly extrudes pressure ring 99 and ring-shaped rubber part 98 with fixed pressure ring 99 and ring-shaped rubber part 98 with the step surface being connected on end 121. Connect on end 121 can sheathed multiple ring-shaped rubber parts 98, between two adjacent ring-shaped rubber parts 98, a pressure ring 99 is set. Ring-shaped rubber part 98 and pressure ring 99 form boosting structure. Ring-shaped rubber part 98 can fill the gap between the outer peripheral face and the sliding sleeve inwall that connect end 121 of sliding sleeve opening device 10, thus reducing the fluid inflow-rate of water turbine at this place, being conducive to outside pump pressure to push sliding sleeve opening device 10 and moving axially along pit shaft.
The sliding sleeve opening device 10 of the embodiment of the present invention use and salvaging process is specific as follows:
Opening sliding sleeve process is first be pushed in pit shaft by sliding sleeve opening device 10 by pushing tool, and the first elastic card claw 112a radial contraction deformation, the protruding 112b on the first elastic card claw 112a contacts with the borehole wall. Sliding sleeve opening device 10 is pushed to target sliding sleeve place by pushing tool. After groove para-position on the protruding 112b of the first elastic card claw 112a and sliding sleeve, the first elastic card claw 112a replys original state, and then protruding 112b card is suspended in groove. When sliding sleeve opening device 10 is without ball sealer 14, pitching work need to be carried out, then carry out outside pump pressure. When sliding sleeve opening device 10 carries ball sealer 14, it is made directly outside pump pressure. After outside pump pressure, ball sealer 14 and continuing surface seal pack fluid passage so that pressure all acts on sliding sleeve opening device 10. Sliding sleeve opening device 10 moves along pit shaft under pressure, and then drives sliding sleeve synchronizing moving, thus completing sliding sleeve to open work. When pit shaft has multistage sliding sleeve, only need step-by-step switch sliding sleeve opening device 10, open sliding sleeve at different levels step by step.
Complete after sliding sleeve opens work and subsequent construction, in pit shaft, to transfer fishing tool. When there being multistage sliding sleeve opening device 10 in pit shaft, first fishing tool will be close to the sliding sleeve opening device 10 of the top one-level of pit shaft well head and peels off sliding sleeve and coordinate with the interior ratchet locking of the sliding sleeve opening device 10 of the top one-level. Continuing to transfer fishing tool, the sliding sleeve opening device 10 promoting one-level topmost is moved by fishing tool to the sliding sleeve opening device 10 of next stage.
Topmost the first elastic card claw 112a of the sliding sleeve opening device 10 of next stage is peeled off sliding sleeve so that the sliding sleeve opening device 10 of the second level departs from card extension state with sliding sleeve by the leading end 122 of the sliding sleeve opening device 10 of one-level, and topmost the outer ratchet 132b of the second elastic card claw 132a of the sliding sleeve opening device 10 of one-level is engaged with the interior ratchet ring 113 phase locking of the sliding sleeve opening device 10 of next stage. Fishing tool, topmost the sliding sleeve opening device 10 of one-level promote the sliding sleeve opening device 10 of next stage to move to the sliding sleeve opening device 10 of next stage more jointly. So, the sliding sleeve opening device 10 of fishing tool, topmost one-level and sliding sleeve opening device 10 series connection of bottom one-level form an entirety and enter salvaged state. Stopping transferring fishing tool, fishing tool is connected with sliding sleeve opening device 10 locking of all levels and is formed an entirety. Reversely lifting up fishing tool, fishing tool will carry sliding sleeve opening device 10 synchronizing moving of all levels.Finally, the sliding sleeve opening device 10 of fishing tool and all levels is together suggested pit shaft, completes salvage.
The sliding sleeve opening device 10 of the embodiment of the present invention, it is possible to open the sliding sleeve matched with it step by step so that at the sliding sleeve of the many progression of wellbore arrangement, tubing string depth of placement in the earth formation can be extended. It addition, pre-set salvaging part 13 on sliding sleeve opening device 10 such that it is able to after completing to open sliding sleeve work and subsequent construction work, use fishing tool just can realize the salvaging of disposable bunchiness, improve salvage efficiency.
Additionally, that can transfer multiple embodiment of the present invention in the wellbore transfers a sliding sleeve opening device without salvaging function afterwards again with the sliding sleeve opening device 10 salvaging part, can by spaced apart for the sliding sleeve opening device 10 of multiple embodiment of the present invention having and salvaging function thus not possessing the sliding sleeve opening device salvaging function. So, use fishing tool all sliding sleeve opening devices 10 can be proposed segmentation in batches pit shaft, rather than all sliding sleeve opening devices 10 are proposed pit shaft by disposable bunchiness, according to practical situation, can control once to salvage the number of the sliding sleeve opening device 10 of well.
Although by reference to preferred embodiment, invention has been described, but without departing from the scope of the invention, it is possible to it is carried out various improvement and parts therein can be replaced with equivalent. Especially, as long as being absent from structural hazard, the every technical characteristic being previously mentioned in each embodiment all can combine in any way. The invention is not limited in the specific embodiment disclosed in literary composition, but include all technical schemes falling in scope of the claims.
Claims (10)
1. a sliding sleeve opening device, including:
Card suspension member, hangs section and first fluid passage including linkage section, card; Described first fluid passage is positioned on the inwall of described linkage section and is provided with lock part;
Ball seat, is connected, with described, leading end and the formation second fluid passage between described connection end and leading end that end is oppositely arranged including the end that connects being connected with described linkage section;
Salvage part, be connected with described ball seat;
Wherein, described ball seat is arranged on described card suspension member and salvages between part.
2. sliding sleeve opening device according to claim 1, it is characterized in that, described card suspension member also includes being arranged on described first fluid passage and is positioned at the stopper section on the inwall of described linkage section, and described stopper section forms cage with the part being connected end, is provided with ball sealer in described cage.
3. sliding sleeve opening device according to claim 1, it is characterised in that described card extension section includes at least two and around axis equally distributed first elastic card claw of circumference of described card suspension member and is arranged on the hook part on the outer peripheral face of described first elastic card claw.
4. sliding sleeve opening device according to claim 3, it is characterised in that be provided with chamfering structure between end face and the outer peripheral face of the free end of described first elastic card claw.
5. sliding sleeve opening device according to claim 1, it is characterized in that, described lock part include being arranged on described first fluid passage be positioned at described linkage section inwall on ratchet ring, described interior ratchet ring and the part being connected end form cage, are provided with ball sealer in described cage.
6. sliding sleeve opening device according to claim 1, it is characterised in that be provided with installation portion on the inwall of described second fluid passage, described salvaging part includes the base cylinder being connected with described installation portion and the salvaging portion being connected with described base cylinder.
7. sliding sleeve opening device according to claim 6, it is characterized in that, described salvaging portion include from described base cylinder along described base cylinder axially extending go out the second elastic card claw and be arranged on described second elastic card claw free end outer peripheral face on outer ratchet.
8. sliding sleeve opening device according to claim 7, it is characterised in that described second elastic card claw that at least two is arranged along the circumferential uniform intervals of described base cylinder is set on described base cylinder.
9. sliding sleeve opening device according to claim 1, it is characterised in that described second fluid passage includes the bellmouth section being arranged on described leading end, the big opening end of described bellmouth section is towards external environment condition.
10. sliding sleeve opening device according to claim 1, it is characterised in that described connection end is provided with ring-shaped rubber part and with described ring-shaped rubber part against pressure ring.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036826.2A CN105672944B (en) | 2016-01-20 | 2016-01-20 | A kind of sliding sleeve opening device |
| BR112018014649-8A BR112018014649B1 (en) | 2016-01-20 | 2017-01-13 | SLIDING SLEEVE OPENING TOOL |
| PCT/CN2017/071164 WO2017124977A1 (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve |
| CA3010235A CA3010235A1 (en) | 2016-01-20 | 2017-01-13 | Sliding sleeve opening tool |
| RU2018128405A RU2733580C2 (en) | 2016-01-20 | 2017-01-13 | Sliding coupling opening tool |
| MX2018008632A MX2018008632A (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve. |
| AU2017209218A AU2017209218B2 (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve |
| US16/071,154 US11248444B2 (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve |
| ZA2018/05529A ZA201805529B (en) | 2016-01-20 | 2018-08-17 | Tool for opening sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036826.2A CN105672944B (en) | 2016-01-20 | 2016-01-20 | A kind of sliding sleeve opening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105672944A true CN105672944A (en) | 2016-06-15 |
| CN105672944B CN105672944B (en) | 2018-12-18 |
Family
ID=56301702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036826.2A Active CN105672944B (en) | 2016-01-20 | 2016-01-20 | A kind of sliding sleeve opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672944B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124977A1 (en) * | 2016-01-20 | 2017-07-27 | 中国石油化工股份有限公司 | Tool for opening sliding sleeve |
| CN112302554A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Downhole clamping device and tubular column |
| CN112302630A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Pressure measuring device, pipe string and fishing device |
| CN112302615A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Underground water drainage and gas production device and tubular column |
Citations (6)
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| CN202125287U (en) * | 2011-06-22 | 2012-01-25 | 中国石油化工股份有限公司 | Anchor fluke type sliding sleeve opening tool |
| CN102839944A (en) * | 2011-06-22 | 2012-12-26 | 中国石油化工股份有限公司 | Sliding sleeve type fracturing module, device including the module and method of using the device |
| CN202832376U (en) * | 2012-08-07 | 2013-03-27 | 新疆华油油气工程有限公司 | Full-bore closable stratified sliding sleeve |
| CN103321608A (en) * | 2013-07-09 | 2013-09-25 | 中国石油集团渤海钻探工程有限公司 | Rotation-free pawl-type sliding sleeve with ball seat capable of being taken out |
| CN103452542A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Switchable fracturing sliding sleeve |
| US20140182838A1 (en) * | 2012-12-28 | 2014-07-03 | Cnpc Bohai Drilling Engineering Company Limited | Multi-level sliding sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202125287U (en) * | 2011-06-22 | 2012-01-25 | 中国石油化工股份有限公司 | Anchor fluke type sliding sleeve opening tool |
| CN102839944A (en) * | 2011-06-22 | 2012-12-26 | 中国石油化工股份有限公司 | Sliding sleeve type fracturing module, device including the module and method of using the device |
| CN103452542A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Switchable fracturing sliding sleeve |
| CN202832376U (en) * | 2012-08-07 | 2013-03-27 | 新疆华油油气工程有限公司 | Full-bore closable stratified sliding sleeve |
| US20140182838A1 (en) * | 2012-12-28 | 2014-07-03 | Cnpc Bohai Drilling Engineering Company Limited | Multi-level sliding sleeve |
| CN103321608A (en) * | 2013-07-09 | 2013-09-25 | 中国石油集团渤海钻探工程有限公司 | Rotation-free pawl-type sliding sleeve with ball seat capable of being taken out |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124977A1 (en) * | 2016-01-20 | 2017-07-27 | 中国石油化工股份有限公司 | Tool for opening sliding sleeve |
| US11248444B2 (en) | 2016-01-20 | 2022-02-15 | China Petroleum & Chemical Corporation | Tool for opening sliding sleeve |
| CN112302554A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Downhole clamping device and tubular column |
| CN112302630A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Pressure measuring device, pipe string and fishing device |
| CN112302615A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Underground water drainage and gas production device and tubular column |
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|---|---|
| CN105672944B (en) | 2018-12-18 |
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