CN107143307A - A kind of sliding sleeve fracturing device - Google Patents
A kind of sliding sleeve fracturing device Download PDFInfo
- Publication number
- CN107143307A CN107143307A CN201710595678.2A CN201710595678A CN107143307A CN 107143307 A CN107143307 A CN 107143307A CN 201710595678 A CN201710595678 A CN 201710595678A CN 107143307 A CN107143307 A CN 107143307A
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- Prior art keywords
- sliding sleeve
- hole
- base tube
- pressure
- holding tank
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- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000005065 mining Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
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)
- Sealing Devices (AREA)
Abstract
The present invention relates to a kind of sliding sleeve fracturing device, it includes：Base tube with inner chamber, the perisporium of base tube is provided with through hole, and the inwall of base tube is provided with holding tank；Sliding sleeve, sliding sleeve located at base tube inner chamber in and can along base tube axially reciprocating, be fixed with the periphery of sliding sleeve can enter holding tank projection；Resilient return member, resilient return member in the holding tank, its one end with it is raised against, the other end and end of the holding tank away from through hole against；Drive the formula drive component that builds the pressure of sliding sleeve.When building the pressure, formula drive component drives sliding sleeve to be moved towards the direction of elasticity of compression reset components, and sliding sleeve is moved to the position for opening through hole from the position for closing through hole；When the formula drive component of building the pressure no longer applies active force to sliding sleeve, sliding sleeve is pushed to the position for closing through hole by resilient return member from the position for opening through hole.The present invention can open through hole when fracturing work starts, and through hole is closed after fracturing work terminates, so that Oil/gas Well carries out follow-up mining operations.
Description
Technical field
The invention belongs to oil and gas exploitation apparatus field, and in particular to a kind of sliding sleeve fracturing device.
Background technology
During oil and gas exploitation, fracturing work is a kind of very effective method for increasing.Fracturing device is one
Plant in the exploitation of horizontal well bore hole or fracturing work for the fluid injections such as fracturing fluid to be improved into reservoir permeability into reservoir
Instrument.Existing fracturing device is mainly included in base tube of the side wall provided with through hole (pressure break hole), the cunning being arranged in base tube
Set and drive component.Drive component can drive sliding sleeve from the state motion of through hole is closed to the state of opening through hole so that
The fluids such as fracturing fluid spurt into reservoir by pressure break hole.But, fracturing device of the prior art is after pressure break hole is opened with regard to nothing
Method is turned off again.For the Oil/gas Well that well head is smaller and depth is deeper, if pressure break hole can not be closed, it can not just enter again
Stream water-control mining is adjusted in the follow-up separate zone production of row or segmentation, so as to influence the recovery ratio of such Oil/gas Well.
The content of the invention
Based on above mentioned problem, it is an object of the invention to provide a kind of sliding sleeve fracturing device, it can be opened in fracturing work
Pressure break hole is opened during the beginning, it is automatic after fracturing work terminates to close pressure break hole.
The present invention provides a kind of sliding sleeve fracturing device, including：Base tube with inner chamber, sets on the perisporium of the base tube
There is the through hole radially extended, and holding tank is provided with the inwall of the base tube；Sliding sleeve, the sliding sleeve is located at the base tube
In inner chamber and can along the base tube axially reciprocating, being fixed with the periphery of the sliding sleeve can enter described
Projection in holding tank；Resilient return member, the resilient return member is in the holding tank, its one end and the projection
Lean, and the end of the other end and the remote through hole of the holding tank leans；For driving building the pressure for the sliding sleeve
Formula drive component；Wherein, when the formula drive component that builds the pressure drives the sliding sleeve towards the side for compressing the resilient return member
To during motion, the sliding sleeve opens the position of the through hole by being moved to from the position for closing the through hole；When the formula that builds the pressure
When drive component no longer applies active force to the sliding sleeve, the resilient return member compressed can be by the sliding sleeve from beating
The position for opening the through hole is pushed to the position for closing the through hole.
Preferably, the holding tank is the annular groove being looped around outside the sliding sleeve, and the resilient return member is to be enclosed on
Compression spring outside the sliding sleeve and in the annular groove, the projection is opened along the circumferentially-spaced of the sliding sleeve
The multiple raised or fixed annular protrusion being set in outside the sliding sleeve.
Preferably, the process for the position for opening the through hole is moved to from the position for closing the through hole in the sliding sleeve
In, the periphery wall whole process closing holding tank of the sliding sleeve.
Preferably, the formula drive component that builds the pressure includes the ball seat that builds the pressure being arranged in the sliding sleeve, and can block
The ball that builds the pressure of the endoporus of the ball seat that builds the pressure.
Preferably, when the formula drive component that builds the pressure also does not drive the sleeve movement, positioned at the closing through hole
The sliding sleeve of position is fixed on by shear component on the inwall of the base tube.
Preferably, the quantity of the through hole is multiple, equidistantly interval of multiple through holes along the base tube
Open.
Preferably, the through hole is the axially extending waist-shaped hole along the base tube.
Preferably, positive stop lug boss is provided with the inwall of the base tube, the positive stop lug boss can prevent the sliding sleeve
End away from the through hole skids off the base tube.
Preferably, the base tube include with the through hole main part and with the remote through hole of the main part
The connected connector portions in end, the holding tank is limited and formed jointly by main part with connector portions so that the resilient return member
It can load the main part before the main part and connector portions are unassembled with sliding sleeve.
Preferably, containment member is provided with the composition surface of the main part and connector portions.
According to the sliding sleeve fracturing device of the present invention, before fracturing work starts, sliding sleeve, which is located at, closes through hole (pressure break
Hole) position, then in the presence of the formula drive component that builds the pressure, sliding sleeve elasticity of compression reset components, and finally move to opening
The position of through hole so that from oil pipe be transported to inner chamber in the fluid such as fracturing fluid can be from the through hole of opening be ejected into reservoir；
After fracturing work terminates, the formula that builds the pressure drive component no longer applies active force because that can not build the pressure again to sliding sleeve, what is compressed
In the presence of the restoring force of resilient return member, sliding sleeve closes the position of through hole with regard to that can be pushed back to.It is smaller and deep for well head
For the deeper Oil/gas Well of degree, after the through hole (i.e. pressure break hole) on base tube is closed, it is possible to carry out follow-up point
Stream water-control mining is adjusted in layer exploitation or segmentation, so as to improve the tar productivity of Oil/gas Well.In addition, resilient return member is arranged on into base
In the holding tank of pipe, under the protective effect of sliding sleeve, the fluid flowed through in the inner chamber of base tube will not be caused to resilient return member
Impact, can also reduce resilient return member and the contact of the fluid flowed through in inner chamber, can extend making for resilient return member
Use the life-span.And the sliding sleeve fracturing device manufacturing cost of the present invention is low, simple in construction, easy to operate, it is easy to widely promote and answers
With.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, similar element
Or part is general by similar reference mark.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is located at schematic diagram when closing lead to the hole site for the sliding sleeve fracturing device of the embodiment of the present invention in sliding sleeve；
Fig. 2 is located at schematic diagram when opening lead to the hole site for the sliding sleeve fracturing device of the embodiment of the present invention in sliding sleeve.
Description of reference numerals：1st, base tube；2nd, sliding sleeve；3rd, resilient return member；4th, the formula that builds the pressure drive component；5th, structure is sheared
Part；11st, main part；12nd, connector portions；13rd, containment member；101st, inner chamber；102nd, through hole；103rd, holding tank；104th, positive stop lug boss；
201st, it is raised；401st, build the pressure ball seat；402nd, build the pressure ball.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention can not be limited with this
Enclose.
In order that the purpose of the present invention, technical scheme and effect are clearer, the present invention is implemented below in conjunction with accompanying drawing
Mode is described in further detail.
Fig. 1 is located at schematic diagram when closing lead to the hole site, Fig. 2 for the sliding sleeve fracturing device of the embodiment of the present invention in sliding sleeve
It is located at schematic diagram when opening lead to the hole site in sliding sleeve for the sliding sleeve fracturing device of the embodiment of the present invention.As shown in figure 1, the cunning
Shell type fracturing device includes base tube 1, sliding sleeve 2, resilient return member 3 and the formula drive component 4 that builds the pressure.Base tube 1 has inner chamber 101,
Provided with the through hole 102 radially extended on the perisporium of base tube 1, and holding tank 103 is provided with the inwall of base tube 1.It is above-mentioned logical
Hole 102 is namely for the pressure break hole by fluid injections such as fracturing fluids into reservoir.Sliding sleeve 2 located at base tube 1 inner chamber 101 in and
Can along base tube 1 axially reciprocating, be fixed with the periphery of sliding sleeve 2 can enter holding tank 103 in projection
201.Resilient return member 3 is in holding tank 103, and its one end leans with projection 201, and the other end and holding tank 103
End away from through hole 102 leans.In addition, the formula drive component 4 that builds the pressure is used to drive sliding sleeve 2, the formula that builds the pressure drive component 4 refers to
Inner chamber 101 can be made to build the pressure and the device of sleeve movement is driven using the pressure.The top and bottom of base tube 1 with oil pipe phase
Even, whole sliding sleeve fracturing device is detachably connected on oil pipe so that inner chamber 101 and the oil pipe of base tube 1 are conducted,
Can be specifically threaded connection or key connection.Wherein, when the formula drive component 4 that builds the pressure drives sliding sleeve 2 to reset structure towards the elasticity of compression
During the direction motion of part 3, sliding sleeve 2 will be moved to opening as shown in Figure 2 from the position of closing through hole 102 as shown in Figure 1 and lead to
The position in hole 102；When the formula drive component 4 that builds the pressure is revoked to the active force of sliding sleeve 2, the institute's resilient return member 3 compressed
Sliding sleeve 2 can be pushed to the position for closing through hole 102 from the position for opening through hole 102.Axle by sliding sleeve 2 along base tube 1
To reciprocating motion, realize sliding sleeve 2 open through hole 102 and close through hole 102 switching, when through hole 102 is opened, you can will
The fluid injections such as the fracturing fluid in inner chamber 101 are transported into reservoir from oil pipe.
According to the sliding sleeve fracturing device of the present invention, before fracturing work starts, sliding sleeve 2, which is located at, closes (the pressure of through hole 102
Ceasma) position, then in the presence of the formula drive component 4 that builds the pressure, elasticity of compression reset components 3 of sliding sleeve 2, and finally moving to
Open the position of through hole 102 so that from oil pipe be transported to inner chamber in the fluid such as fracturing fluid can be ejected into from the through hole of opening
In reservoir；After fracturing work terminates, the formula that builds the pressure drive component 4 no longer applies active force because that can not build the pressure again to sliding sleeve 2,
In the presence of the restoring force of the resilient return member 3 compressed, sliding sleeve 2 is closed the position of through hole 102 by that can be pushed back to.For
For the Oil/gas Well that pit shaft is smaller and depth is deeper, after the through hole 102 (i.e. pressure break hole) on base tube 1 is closed, just
Follow-up separate zone production can be carried out or stream water-control mining is adjusted in segmentation, so as to improve the tar productivity of Oil/gas Well.In addition, by elasticity
Reset components 3 are arranged in the holding tank 103 of base tube 1, under the protective effect of sliding sleeve 2, are flowed through in the inner chamber 101 of base tube 1
Fluid will not be impacted to resilient return member 3, can also reduce resilient return member 3 and the fluid flowed through in inner chamber 101
Contact, the service life of resilient return member 3 can be extended.And the sliding sleeve fracturing device manufacturing cost of the present invention is low, knot
Structure is simple and convenient to operate, and is easy to widely popularization and application.
In one embodiment, holding tank 103 can be circumferentially spaced multiple recessed along the madial wall of base tube 1
Groove, each groove is axially extended；Projection 201 is provided at circumferentially spaced multiple also along sliding sleeve 2, and each projection 201 can divide
Jin Ru not be in each groove；Resilient return member 3 is the multiple compression springs being separately positioned in each groove.It is excellent at another
In the embodiment of choosing, for the ease of processing, reduction production cost, holding tank 103 is the annular groove being looped around outside sliding sleeve 2, bullet
Property reset components 3 be to be enclosed on that sliding sleeve 2 is outer and compression spring in annular groove, projection 201 is along between the circumference of sliding sleeve 2
Multiple raised 201 separated.In addition, the manufacturing procedure in order to further reduce projection 201, the projection 201 is preferably provided to
The fixed annular protrusion being set in outside sliding sleeve 2.
During the position for opening through hole 102 is moved to from the position for closing through hole 102 in sliding sleeve 2, the periphery of sliding sleeve 2
Wall whole process closing holding tank 103.By such setting the fluids such as fracturing fluid can be avoided to enter in holding tank 103, it is to avoid
The fluids such as fracturing fluid cause corrosion to resilient return member 3.In addition, being additionally provided with positive stop lug boss 104 on the inwall of base tube 1, lead to
Cross the position of rationally design positive stop lug boss 104 so that positive stop lug boss 104 is able to ensure that when through hole 102 is opened, sliding sleeve
2 still can close holding tank 103, and the positive stop lug boss 104 can also prevent the end of the remote through hole 102 of sliding sleeve 2 from sliding
Go out base tube 1, it is ensured that sliding sleeve fracturing device of the invention can reliably and stably work.
In the present embodiment, the formula that builds the pressure drive component 4 includes the ball seat 401 that builds the pressure being arranged in sliding sleeve 2, and can seal
The ball 402 that builds the pressure of the endoporus of the stifled ball seat 401 that builds the pressure.Before fracturing work is proceeded by, the ball 402 that will build the pressure is thrown from oil pipe
Enter, when the ball 402 that builds the pressure is moved downwardly to build the pressure 401 position of ball seat, you can block the bottom of inner chamber 101 completely so that interior
Pressure in chamber 101 gradually increases, and causes sliding sleeve 2 to start elasticity of compression reset components 3 and move under pressure, through hole 102
It is opened.After fracturing work terminates, pressure in inner chamber 101 reduces, sliding sleeve 2 just can resilient return member 3 effect
Under be returned to close through hole 102 position.In addition, in actual application process, being coordinated using the ball seat that builds the pressure with the ball that builds the pressure can
To realize multistage fracturing.Specifically, multiple sliding sleeve fracturing devices are installed along oil pipe, along oil pipe from top to bottom each sliding sleeve
The external diameter of the ball that builds the pressure in formula fracturing device is gradually reduced, and the endoporus aperture for the ball seat that builds the pressure also is gradually reduced.Thrown into oil pipe
Enter to build the pressure ball when, first cast the ball seat that builds the pressure of the small sliding sleeve fracturing device for building the pressure ball to block bottom of internal diameter, then throw successively
Enter the bigger ball that builds the pressure of internal diameter, it is possible to realize classification pressure break.Certainly, in the formula that builds the pressure drive component 4 can also be that by
The other structures form that chamber 101 builds the pressure.
In addition, in order that the fluid such as fracturing fluid ejected from through hole 102 has larger kinetic energy, sleeve type need to be controlled
The Opening pressure of fracturing device, when the formula drive component of building the pressure also does not drive sleeve movement, that is, sliding sleeve 2 is in an initial condition
During positioned at the position for closing through hole 102, on the inwall that sliding sleeve 2 is fixed on to base tube 1 by shear component 5.When the formula driving that builds the pressure
Component 4 starts to build the pressure, and when sliding sleeve 2 is had the trend that compression spring is moved, shear component 5 starts to bear certain shearing should
Power.With incrementally increasing for shear stress, when it exceedes when bearing limit of shear component 5, shear component 5 is cut, and is sheared
Component is after being cut and permanent failure, and sliding sleeve 2 starts to move downward.The shear component 5 is chosen as shear pin.Can basis
The Opening pressure of the sliding sleeve fracturing device of setting, to select the specification of shear pin.In this way so that in inner chamber 101
Pressure need to reach that sliding sleeve 2 just starts to move downward, and the Opening pressure of the setting is bigger, pressure break after the Opening pressure of setting
The kinetic energy when fluids such as liquid are ejected from through hole 102 is bigger.In the case of no shear component 5, if it is desired to control
The Opening pressure of sliding sleeve fracturing device, it is necessary to the elastic reset structure for being selected elastic force suitable according to the Opening pressure of the setting
Part 3, the resilient return member 3 that certainly will so need elastic force bigger, so as to increase the manufacturing cost of sliding sleeve fracturing device.
Preferably, the quantity of through hole 102 is multiple, and multiple through holes 102 are equidistantly spaced apart along base tube 1.When
After through hole 102 is opened, the fluid such as fracturing fluid can be from all directions of base tube 1 be equably ejected into reservoir.Preferably, lead to
Hole 102 is the axially extending waist-shaped hole along base tube 1.The shape of through hole is strip through-hole, the length of strip through-hole in other words
Direction is parallel with the axial direction of base tube.According to actual operating mode, the shape of through hole is it can also be provided that circle, rhombus, rectangle etc.
Other are variously-shaped.
In the present embodiment, base tube 1 includes the main part 11 with through hole 102 and the remote through hole 102 with main part 11
The connected connector portions 12 in end, holding tank 103 limits and formed jointly by main part 11 with connector portions 12.Due to being set in base tube 1
Holding tank 103 is equipped with, for ease of the installation of sliding sleeve 2 and resilient return member 3, therefore base tube 1 two parts are set to.In assembling
During, first resilient return member 3 and sliding sleeve 2 are fitted into holding tank 103 from the one end of main part 11 away from through hole 102, then
Connector portions 12 are assembled on main part 11.Under connector portions 12 and the collective effect of main part 11, resilient return member 3 is limited
With the position of sliding sleeve 2.Preferably, in order to ensure the sealing of main part 11 and the junction of connector portions 12, prevent in inner chamber 101
Fluid is spilt from the junction of the two, and containment member 13 is provided with the composition surface of main part 11 and connector portions 12.The sealing structure
Part 13 can be fluid sealant or rubber.
In the description of the present application, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
1. a kind of sliding sleeve fracturing device, it is characterised in that including：
Base tube with inner chamber, provided with the through hole radially extended on the perisporium of the base tube, and in the inwall of the base tube
It is provided with holding tank；
Sliding sleeve, the sliding sleeve located at the base tube inner chamber in and can along the base tube axially reciprocating, described
The projection that can enter in the holding tank is fixed with the periphery of sliding sleeve；
Resilient return member, the resilient return member is in the holding tank, and its one end leans with the projection, and another
One end and the end of the remote through hole of the holding tank lean；
The formula drive component that builds the pressure for driving the sliding sleeve；
Wherein, when the formula drive component that builds the pressure drives the sliding sleeve towards the direction motion for compressing the resilient return member
When, the sliding sleeve opens the position of the through hole by being moved to from the position for closing the through hole；When the formula driving group that builds the pressure
When part no longer applies active force to the sliding sleeve, the resilient return member compressed can be described from opening by the sliding sleeve
The position of through hole is pushed to the position for closing the through hole.
2. sliding sleeve fracturing device according to claim 1, it is characterised in that the holding tank is to be looped around the sliding sleeve
Outer annular groove, the resilient return member is to be enclosed on the compression spring that the sliding sleeve is outer and is located in the annular groove,
The projection is the circumferentially-spaced multiple raised or fixed convex annular being set in outside the sliding sleeve opened along the sliding sleeve
Rise.
3. sliding sleeve fracturing device according to claim 1, it is characterised in that in the sliding sleeve from closing the through hole
During position is moved to the position for opening the through hole, the periphery wall whole process closing holding tank of the sliding sleeve.
4. the sliding sleeve fracturing device according to any one of claim 1-3, it is characterised in that the formula driving group that builds the pressure
Part includes the ball seat that builds the pressure being arranged in the sliding sleeve, and can block the ball that builds the pressure of the endoporus of the ball seat that builds the pressure.
5. the sliding sleeve fracturing device according to any one of claim 1-3, it is characterised in that when the formula driving that builds the pressure
When component does not also drive the sleeve movement, close the position of the through hole the sliding sleeve be fixed on by shear component it is described
On the inwall of base tube.
6. the sliding sleeve fracturing device according to any one of claim 1-3, it is characterised in that the quantity of the through hole is
Multiple, multiple through holes are equidistantly spaced apart along the base tube.
7. sliding sleeve fracturing device according to claim 6, it is characterised in that the through hole is the axle along the base tube
To the waist-shaped hole of extension.
8. the sliding sleeve fracturing device according to any one of claim 1-3, it is characterised in that in the inwall of the base tube
Positive stop lug boss is provided with, the positive stop lug boss can prevent the end of the remote through hole of the sliding sleeve from skidding off the base tube.
9. the sliding sleeve fracturing device according to any one of claim 1-3, it is characterised in that the base tube includes carrying
The main part of the through hole and the connector portions being connected with the end of the remote through hole of the main part, the holding tank is by leading
Body portion and connector portions are limited and formed jointly so that the resilient return member and sliding sleeve can be in the main part and connector portions not
Load the main part before assembling.
10. sliding sleeve fracturing device according to claim 9, it is characterised in that in connecing for the main part and connector portions
Conjunction face is provided with containment member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595678.2A CN107143307A (en) | 2017-07-20 | 2017-07-20 | A kind of sliding sleeve fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595678.2A CN107143307A (en) | 2017-07-20 | 2017-07-20 | A kind of sliding sleeve fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107143307A true CN107143307A (en) | 2017-09-08 |
Family
ID=59776449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710595678.2A Pending CN107143307A (en) | 2017-07-20 | 2017-07-20 | A kind of sliding sleeve fracturing device |
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| CN (1) | CN107143307A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973066A (en) * | 2017-12-28 | 2019-07-05 | 中石化石油工程技术服务有限公司 | A kind of full-bore well cementation fracturing device |
| CN110005379A (en) * | 2019-05-28 | 2019-07-12 | 西南石油大学 | A kind of voltage-controlled sleeve type spray head of gas hydrates layer jet crushing |
| CN113622887A (en) * | 2020-05-06 | 2021-11-09 | 中国石油化工股份有限公司 | Fracturing and intelligent water control integrated device |
| CN113914819A (en) * | 2021-09-30 | 2022-01-11 | 荆州市赛瑞能源技术有限公司 | Hydraulic sliding sleeve for fracturing |
| CN114427422A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Multi-section fracturing and intelligent well completion integrated pipe column and method |
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| CN109973066B (en) * | 2017-12-28 | 2024-06-11 | 中石化石油工程技术服务有限公司 | Full-drift diameter well cementation fracturing device |
| CN110005379A (en) * | 2019-05-28 | 2019-07-12 | 西南石油大学 | A kind of voltage-controlled sleeve type spray head of gas hydrates layer jet crushing |
| CN113622887A (en) * | 2020-05-06 | 2021-11-09 | 中国石油化工股份有限公司 | Fracturing and intelligent water control integrated device |
| CN113622887B (en) * | 2020-05-06 | 2024-02-27 | 中国石油化工股份有限公司 | Fracturing and intelligent water control integrated device |
| CN114427422A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Multi-section fracturing and intelligent well completion integrated pipe column and method |
| CN114427422B (en) * | 2020-09-25 | 2024-02-02 | 中国石油化工股份有限公司 | Multistage fracturing and intelligent well completion integrated tubular column and method |
| CN113914819A (en) * | 2021-09-30 | 2022-01-11 | 荆州市赛瑞能源技术有限公司 | Hydraulic sliding sleeve for fracturing |
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