CN107461173A - A kind of water filling completion integral instrument - Google Patents
A kind of water filling completion integral instrument Download PDFInfo
- Publication number
- CN107461173A CN107461173A CN201710701534.0A CN201710701534A CN107461173A CN 107461173 A CN107461173 A CN 107461173A CN 201710701534 A CN201710701534 A CN 201710701534A CN 107461173 A CN107461173 A CN 107461173A
- Authority
- CN
- China
- Prior art keywords
- pressing cap
- upper pressing
- water filling
- central tube
- filling completion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Abstract
The present invention proposes a kind of water filling completion integral instrument, including：Upper pressing cap；Lower pressing cap, its upper end are connected by internal thread with the lower end of the upper pressing cap；Central tube, it is positioned in the upper pressing cap, its upper end is connected by fixing pin with the upper pressing cap；Sliding sleeve, between the central tube and the upper pressing cap, its hypomere and is connected adjacent to the madial wall of the upper pressing cap section between the upper pressing cap by cutting pin thereon, formed with one for placing the ball seat of ball sealer in the lower port of the sliding sleeve；Wherein, outer duct is offered in the side wall of the upper pressing cap, the outer duct is corresponded in the side wall of the central tube and is provided with inner duct, when the cutting pin is cut, the sliding sleeve energy slide downward, so that the corresponding outer duct and the inner duct are connected.This invention simplifies flow chart, has saved operating cost, can realize the functions such as completion, augmented injection and water filling, improve Development Response of Oilfield.
Description
Technical field
The invention belongs to field of petroleum exploitation, more particularly to waterflooding extraction field, is a kind of water filling completion one specifically
Body chemical industry has.
Background technology
At present, most of ligh-oil reservoir is using waterflooding extraction supplement stratum ability, with deepening continuously for exploitation, injection
Well exposes following several respects problem：First, current separate zone waterflooding technology string creep, vibrations are seriously, when well depth exceedes
After 1500m, injection string can occur significantly to shake, and cause packer to wriggle or shake, destroy the sealer having built up
System, or even destroy packing element；Second, oil pipe stress is flexible serious, mainly include water injection pressure and thermal stress, the compensation used in the past
Anchor tool can not prevent the elastic telescopic change of the neighbouring oil pipe of packer completely, in turn result in packer with oil pipe extension and
Wriggle up and down, cause to be destroyed；Third, for low-permeability oil deposit, it is necessary to using necessary increasing yield and injection measure, and current
Implementation process is complicated, cumbersome, implementation cycle length；Fourth, concentric allocation process is because latus rectum problem causes vertical resolution to be limited, and survey
Adjust technique complex, with the increase of well depth, distributor survey modulation obtain it is very difficult, caused by showing as oil pipe compressive deformation
Do not enter under instrument, and the larger caused instrument docking success rate of deep-well hole deviation is low.For these reasons, injection well is caused to be sealed
Serious every device failure, stake cycle length is measured and tuned into that power is low, and application effect is poor.
In view of this, the present inventor develops a kind of note according to the production design experience for being engaged in this area and association area
Water completion integral instrument, to solve the problems, such as that prior art is present.
The content of the invention
The purpose of the present invention is to be to provide a kind of water filling completion integral instrument, simplifies flow chart, has saved work
Industry cost, the functions such as completion, augmented injection and water filling can be realized, improve Development Response of Oilfield.
Therefore, the present invention proposes a kind of water filling completion integral instrument, it includes：
Upper pressing cap；
Lower pressing cap, its upper end are connected by internal thread with the lower end of the upper pressing cap；
Central tube, it is positioned in the upper pressing cap, its upper end is connected by fixing pin with the upper pressing cap；
Sliding sleeve, section is between the central tube and the upper pressing cap thereon, and its hypomere is adjacent in the upper pressing cap
Side wall, and be connected between the upper pressing cap by cutting pin, formed with one for placing envelope in the lower port of the sliding sleeve
The ball seat of stifled ball；
Wherein, outer duct is offered in the side wall of the upper pressing cap, the outer duct is corresponded in the side wall of the central tube
Be provided with inner duct, when the cutting pin is cut, the sliding sleeve energy slide downward so that the corresponding outer duct and
The inner duct is connected.
Water filling completion integral instrument as described above, wherein, projection is formed with righting on the lateral surface of the upper pressing cap
Block, axially extending setting of the wiper block along the upper pressing cap, the outer duct are located on the wiper block.
Water filling completion integral instrument as described above, wherein, the upper pressing cap is circumferentially arranged multiple rightings
Block, each wiper block are respectively arranged with outer duct along the circumferential uniform of the upper pressing cap.
Water filling completion integral instrument as described above, wherein, ring is set formed with support on the madial wall of the lower pressing cap
Platform, it is described when sliding over slide downward, can corresponding support on the supporting table.
Water filling completion integral instrument as described above, wherein, Anti-rotary block is convexly equipped with the outside of the upper end of the central tube, institute
State and be correspondingly embedded in the anti-rotation groove formed with anti-rotation groove, the Anti-rotary block on the inwall of upper pressing cap.
Water filling completion integral instrument as described above, wherein, the Anti-rotary block and anti-rotation groove be correspondingly arranged on it is multiple, and
The inwall of the lateral surface and the upper pressing cap in the central tube is evenly distributed respectively.
Water filling completion integral instrument as described above, wherein, a seating nipple is additionally provided with, the seating nipple is positioned over described
In central tube, formed with pawl is played on the lateral surface of the seating nipple, convex portion, its lower end and institute are provided with the outside of the upper end for playing pawl
Seating nipple is stated to be connected, it is described to play between pawl and the side wall of the seating nipple formed with U-shaped opening；
Formed with the limiting section corresponding with the bullet pawl on the madial wall of the central tube, the limiting section includes multiple
Limit sliding chutes, each limit sliding chutes and the shape of the convex portion match, and it is located at the upside of the inner duct, and along described
The axial direction of central tube is sequentially set, and the convex portion for playing pawl can be embedded in any limit sliding chutes, when the convex portion is located at
During the limit sliding chutes of top side, the seating nipple correspondingly blocks the inner duct；
Wherein, when the seating nipple from top to bottom moves in the central tube, the convex portion for playing pawl can be along successively
Moved between each limit sliding chutes, the U-shaped opening connects area with the inner duct then by small gradually big.
Water filling completion integral instrument as described above, wherein, the bore that slides at the ball seat upper port is small
In the internal diameter of the seating nipple.
Water filling completion integral instrument as described above, wherein, inner surface at the upper port of the ball seat formed with
The mutually closely connected smooth surface in the outer surface of the ball sealer.
Water filling completion integral instrument as described above, wherein, the upper end of the upper pressing cap protrudes out formed with one vertically
Top connection, the lower end undergauge of the lower pressing cap is formed with a lower contact.
Compared with prior art, water filling completion integral instrument proposed by the present invention, completion, augmented injection and note can be realized simultaneously
The functions such as water, simplify flow chart, have saved operating cost, can improve the vertical resolution of concentric injection allocation mode, expand survey
Test instrument tripping in space；Docking mechanism is adjusted using mechanical survey, simplifies commissioning process flow, the docking for reducing tester is difficult
Degree, and then improve Development Response of Oilfield.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the composition structural representation of the water filling completion integral instrument of the present invention.
Fig. 2 sets the working state schematic representation after suppressing for the present invention in input ball sealer.
Fig. 3 is the working state schematic representation of tripping in seating nipple in the present invention.
Fig. 4 is the assembling end-view of the Anti-rotary block of the anti-rotation groove of upper pressing cap and central tube in the present invention.
Fig. 5 is the profile of seating nipple in the present invention.
Main element label declaration：
1 upper pressing cap, 10 outer duct
The anti-rotation groove of 11 wiper block 12
The lower pressing cap of 13 top connection 2
The lower contact of 21 supporting table 22
The inner duct of 3 central tube 30
The Anti-rotary block of 31 fixing pin 32
The sliding sleeve of 33 limit sliding chutes 4
41 cut the ball seat of pin 42
5 seating nipples 51 play pawl
The U-shaped opening of 52 convex portion 53
Embodiment
The present invention proposes a kind of water filling completion integral instrument, and it includes：Upper pressing cap；Lower pressing cap, its upper end pass through interior spiral shell
Line is connected with the lower end of the upper pressing cap；Central tube, be positioned in the upper pressing cap, its upper end by fixing pin with it is described
Upper pressing cap is connected；Sliding sleeve, section is between the central tube and the upper pressing cap thereon, and its hypomere is adjacent to the upper pressing cap
Madial wall, and be connected between the upper pressing cap by cutting pin, formed with one for putting in the lower port of the sliding sleeve
Put the ball seat of ball sealer；Wherein, offer outer duct in the side wall of the upper pressing cap, it is corresponding in the side wall of the central tube described in
Outer duct is provided with inner duct, when the cutting pin is cut, the sliding sleeve energy slide downward, so that corresponding is described outer
Duct and the inner duct are connected.
The present invention water filling completion integral instrument, simplify flow chart, saved operating cost, can realize completion,
The function such as augmented injection and water filling, improves Development Response of Oilfield.
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, below in conjunction with accompanying drawing and preferably
Embodiment, to embodiment, structure, feature and effect of water filling completion integral instrument proposed by the present invention, specifically
It is bright as after.In addition, by the explanation of embodiment, when the technological means that predetermined purpose is taken can be reached to the present invention
And effect is able to more deeply specific understanding, but institute's accompanying drawing is only to provide with reference to illustrating to use, and is not used for the present invention
It is any limitation as.
Fig. 1 is the composition structural representation of the water filling completion integral instrument of the present invention.Fig. 2 blocks for the present invention in input
Ball sets the working state schematic representation after suppressing.Fig. 3 is the working state schematic representation of tripping in seating nipple in the present invention.Fig. 4 is this
The assembling end-view of the Anti-rotary block of the anti-rotation groove of upper pressing cap and central tube in invention.Fig. 5 is the profile of seating nipple in the present invention.
As shown in figure 1, water filling completion integral instrument proposed by the present invention, including upper pressing cap 1, lower pressing cap 2, central tube 3
And sliding sleeve 4, wherein：
The upper end of lower pressing cap 2 is connected by internal thread with the lower end of the upper pressing cap, as illustrated, the upper pressing cap 1,
Lower pressing cap 2 is tubular structure, specific length, diameter equidimension as both, is not specifically limited herein, can be according to reality
Depending on needing；
The central tube 3 is positioned in the upper pressing cap 1, and its upper end is connected by fixing pin 31 with the upper pressing cap 1
Connect, in specific assembling, when the central tube 3 is by one end (being the lower end of the upper pressing cap 1 in figure) of the upper pressing cap 1, insertion
After upper pressing cap 1, then with the fixing pin 31 both are connected；
The epimere of the sliding sleeve 4 is between the central tube 3 and the upper pressing cap 1, and its hypomere is adjacent to the upper pressure
The madial wall of cap 1, and be connected between the upper pressing cap 1 by cutting pin 41, formed in the lower port of the sliding sleeve 41
There is a ball seat 42 for placement ball sealer, in practical application, the ball seat 42 can directly be convexly equipped in the madial wall of the sliding sleeve 41
On；
Wherein, outer duct 10 is offered in the side wall of the upper pressing cap 1, is corresponded in the side wall of the central tube 3 described outer
Duct 10 is provided with inner duct 30, when the cutting pin 41 is cut, the energy of sliding sleeve 4 slide downward, so that corresponding
The outer duct 10 and the inner duct 30 are connected.That is, after the sliding sleeve 4 moves down so that the outer duct 10 and interior
Interconnected state is in before duct 30, fracturing fluid, acid solution, injection water or other fluid can be made to enter stratum out of the present invention.
Wherein, projection is formed with wiper block 11 on the lateral surface of the upper pressing cap 1, and the wiper block 11 is along the upper pressing cap
Axially extending setting, the outer duct 10 is located on the wiper block 11.After under lower going-into-well of the present invention, pass through the righting
Block 11 is supported in down-hole lateral wall, can ensure that the present invention is in righting state, subsequent use of being more convenient for.
As shown in Figure 1, Figure 2 and shown in Fig. 4, in a preferred embodiment, the upper pressing cap 1 is circumferentially arranged have it is multiple described
Wiper block 1, each wiper block 11 are respectively arranged with outer duct 10 along the circumferential uniform of the upper pressing cap 1.In this way, can
Make the 11 more preferable righting of wiper block, be also beneficial to improve the flow that fluid enters stratum from the present invention, specifically, carrying out
During well cementing operation, because the maximum outside diameter of the wiper block 11 approaches with borehole size, well cementation mud can be avoided by outer duct 10
Block, reduce the difficulty that outer duct 10 is opened.
To avoid sliding sleeve 4 from falling into underground, in order to be recycled to it, ring is set on the madial wall of the lower pressing cap 2
Formed with supporting table 21, the sliding sleeve 4 can correspond to support on the supporting table 21 in slide downward.
Please also refer to Fig. 4, Anti-rotary block 32 is convexly equipped with the outside of the upper end of the central tube 3, on the inwall of the upper pressing cap 1
Formed with anti-rotation groove 12, the Anti-rotary block 32 is corresponding to be embedded in the anti-rotation groove 12, to avoid shown central tube 3 relative to institute
Upper pressing cap 1 is stated to rotate.
It is preferred that the Anti-rotary block 32 and anti-rotation groove 12 are correspondingly arranged on multiple, and it is evenly distributed respectively in described
The inwall of the lateral surface of heart pipe 3 and the upper pressing cap 1.
Fig. 3 and Fig. 5 is referred to, is additionally provided with a seating nipple 5, the seating nipple 5 is positioned in the central tube 3, the work
Make to be provided with convex portion 52, its lower end and the seating nipple on the outside of the upper end for playing pawl 51 formed with pawl 51 is played on the lateral surface of cylinder 5
5 are connected, described to play between pawl 51 and the side wall of the seating nipple 5 formed with U-shaped opening 53；
Include on the madial wall of the central tube 3 formed with the limiting section corresponding with the bullet pawl 51, the limiting section
Multiple limit sliding chutes 33, each limit sliding chutes 33 and the shape of the convex portion 52 match, and it is located at the inner duct 30
Upside, and sequentially set along the axial direction of the central tube 3, the convex portion 52 for playing pawl 51 can be embedded at any limit sliding chutes
In 33, when the convex portion 52 is located at the limit sliding chutes 33 of top side, the seating nipple 5 is corresponding to block the inner duct 30
(please also refer to Fig. 3)；
Wherein, when the seating nipple 5 from top to bottom moves in the central tube 3, the energy of convex portion 52 for playing pawl 51
Along being moved successively between each limit sliding chutes 33, the connection area of the U-shaped opening 53 and the inner duct 30 then by it is small gradually
Greatly., can be with the inner duct 30 using the U-shaped opening 53 between the bullet the week side of boss of pawl 51 and seating nipple 5 in the new shape of this practicality
And the corresponding connection in the outer duct 10 so that liquid stream can be by the inner chamber of the seating nipple 5 through the inner duct 30, outer duct 10
Inject stratum.So, moved up and down by the seating nipple 5 in the central tube 3, the flow of liquid stream can be controlled, wherein, when
When the convex portion 52 of bullet pawl 51 is located at top side limit sliding chutes 53, the U-shaped opening 53 and the connection of inner duct 30 close；It is described spacing
Each limit sliding chutes 33 in portion can form multi-gear adjustment, when 5 descending one grades of the seating nipple, represent injection flow and carry step by step
Height, last step (lower side limit sliding chutes 33) represent maximum injection flow, that is, when the convex portion 52 for playing pawl 51 is located at lower side
During limit sliding chutes 53, the U-shaped opening 53 and the connection area of inner duct 30 are maximum.
Thus, by setting seating nipple 5, the flow from present invention injection stratum can be adjusted, in addition, when the bullet of seating nipple 5
For pawl 51 when entering or removing limit sliding chutes 33, the convex portion 52 can be to the seating nipple under the contact of the cell wall of limit sliding chutes 33
Deformed in 5 so that the aperture area of U-shaped opening 53 changes, and also has the function of interim regulation flow.
In actual fabrication, U-shaped opening 53 can be opened up on the seating nipple 5 in advance, then directly form the bullet pawl 51,
Or an opening is set on the seating nipple 5 in advance, then the bullet pawl 51 is installed on the opening, so that its week side of boss
The U-shaped opening is formed between the seating nipple 5.In addition, for the quantity of the bullet pawl 51 and limiting section, can be according to actual need
Depending on wanting, it is not specifically limited herein；And between the adjacent limit sliding chutes of the limiting section, can further optimization processing, formed
Smooth excessively connection, the more conducively movement of convex portion 52；The limit sliding chutes 53 and the shape of convex portion 52, it is preferably semicircle.
Further, bore of the sliding sleeve 4 at the upper port of ball seat 42 is less than the internal diameter of the seating nipple 9, makes
A step can be formed relative to the seating nipple 9 by obtaining the sliding sleeve 4, can be right when the seating nipple 9 is displaced downwardly to the ball seat 42
The seating nipple 9 carries out spacing, prevents it from being come off from the present invention.
In a preferred embodiment, the inner surface at the upper port of the ball seat 42 is formed with outer with the ball sealer 6
The mutually closely connected smooth surface in surface.In real work, the ball seat 42 is using the outer surface with ball sealer with the smooth song of curvature
Face is designed, and compared with existing linear face, the present invention makes ball sealer fall into after ball seat, will not be ruptured because of point-like stress, improves
The security that ball sealer uses.
It is connected for ease of of the invention with other parts, the upper end of the upper pressing cap 1 protrudes out formed with a top connection vertically
13, the lower end undergauge of the lower pressing cap 2 is formed with a lower contact 22.
Water filling completion integral instrument provided by the invention, in real work, it is latter that top connection 13 is connected to sleeve pipe
And go into the well；After under the present invention to the precalculated position in well, ball sealer 6 is put into underground, the ball sealer 6 is treated through sleeve pipe and sets
In the ball seat 42 of the sliding sleeve 4, from ground, into the inner chamber of the present invention, fluid injection is suppressed, and is held at ball sealer 6 and the ball seat 42
When the hydraulic coupling received is more than cutting 41 shearing force of pin, the cutting pin 41 is cut, work of the sliding sleeve 4 in hydraulic coupling
Moved down under, so that the inner duct 30 is interconnected with outer duct 10, form reservoir channel；Then, according to work
Need, enter stratum from ground fluid injection and by the inner duct 30 and outer duct 10, so as to realize to pressure break, acidifying and
The purpose of instantaneous high discharge capacity infusion.
Wherein, implement needs according to live actual, can also by milling operation and acid etching operation to the ball seat 42 and
Ball sealer 6 carries out milling and dissolving, so as to which the inner chamber of the present invention is reverted into breakthrough status, subsequently can between on the downside of the present invention
Shaft bottom carries out operation.
Wherein, can also by steel wire by the tripping in of seating nipple 5 present invention central tube 3 in, and pass through it is described bullet pawl 51
Convex portion 52 docked with the limit sliding chutes 33, then, according to need of work, by controlling the seating nipple 5 at the center
Moved up and down in pipe 3, so as to according to actual conditions, adjust liquid stream in real time and pass through the inner duct 30, exit orifice from the central tube 3
Road 10 enters the flow on stratum, convenient and practical, improves the term of validity and validity of separate injection tubing string, improves Development Response of Oilfield
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should
Belong to the scope of protection of the invention.
Claims (10)
1. a kind of water filling completion integral instrument, it is characterised in that above-mentioned water filling completion integral instrument includes：
Upper pressing cap；
Lower pressing cap, its upper end are connected by internal thread with the lower end of the upper pressing cap；
Central tube, it is positioned in the upper pressing cap, its upper end is connected by fixing pin with the upper pressing cap；
Sliding sleeve, thereon section between the central tube and the upper pressing cap, its hypomere adjacent to the upper pressing cap madial wall,
And be connected between the upper pressing cap by cutting pin, formed with one for placing ball sealer in the lower port of the sliding sleeve
Ball seat；
Wherein, outer duct is offered in the side wall of the upper pressing cap, the outer duct is corresponded in the side wall of the central tube and is set
There is inner duct, when the cutting pin is cut, the sliding sleeve energy slide downward, so that the corresponding outer duct and described
Inner duct is connected.
2. water filling completion integral instrument as claimed in claim 1, it is characterised in that projection on the lateral surface of the upper pressing cap
Formed with wiper block, axially extending setting of the wiper block along the upper pressing cap, the outer duct is located on the wiper block.
3. water filling completion integral instrument as claimed in claim 2, it is characterised in that the upper pressing cap is circumferentially arranged have it is more
The individual wiper block, each wiper block are respectively arranged with outer duct along the circumferential uniform of the upper pressing cap.
4. the water filling completion integral instrument as described in claim 1 or 3, it is characterised in that on the madial wall of the lower pressing cap
Ring is set formed with supporting table, described when sliding over slide downward, can corresponding support on the supporting table.
5. water filling completion integral instrument as claimed in claim 1, it is characterised in that projection on the outside of the upper end of the central tube
There is Anti-rotary block, be correspondingly embedded in the anti-rotation groove formed with anti-rotation groove, the Anti-rotary block on the inwall of the upper pressing cap.
6. water filling completion integral instrument as claimed in claim 5, it is characterised in that the Anti-rotary block and anti-rotation groove are correspondingly set
It is equipped with inwalls that are multiple, and being evenly distributed the lateral surface and the upper pressing cap in the central tube respectively.
7. water filling completion integral instrument as claimed in claim 1, it is characterised in that be additionally provided with a seating nipple, the work
Cylinder is positioned in the central tube, formed with pawl is played on the lateral surface of the seating nipple, is provided with the outside of the upper end for playing pawl convex
Portion, its lower end are connected with the seating nipple, described to play between pawl and the side wall of the seating nipple formed with U-shaped opening；
Formed with the limiting section corresponding with the bullet pawl on the madial wall of the central tube, the limiting section includes multiple spacing
Chute, each limit sliding chutes and the shape of the convex portion match, and it is located at the upside of the inner duct, and along the center
The axial direction of pipe is sequentially set, and the convex portion for playing pawl can be embedded in any limit sliding chutes, when the convex portion is positioned at most upper
During the limit sliding chutes of side, the seating nipple correspondingly blocks the inner duct；
Wherein, when the seating nipple from top to bottom moves in the central tube, the convex portion for playing pawl can be along successively each
Moved between the limit sliding chutes, the connection area of the U-shaped opening and the inner duct is then by small gradually big.
8. water filling completion integral instrument as claimed in claim 7, it is characterised in that described to slide over the ball seat upper port
The bore at place is less than the internal diameter of the seating nipple.
9. water filling completion integral instrument as claimed in claim 1, it is characterised in that the interior table at the upper port of the ball seat
Face is formed with the smooth surface mutually closely connected with the outer surface of the ball sealer.
10. water filling completion integral instrument as claimed in claim 1, it is characterised in that the upper end of the upper pressing cap is vertically
Protrude out formed with a top connection, the lower end undergauge of the lower pressing cap is formed with a lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701534.0A CN107461173B (en) | 2017-08-16 | 2017-08-16 | A kind of water filling completion integral tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701534.0A CN107461173B (en) | 2017-08-16 | 2017-08-16 | A kind of water filling completion integral tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461173A true CN107461173A (en) | 2017-12-12 |
| CN107461173B CN107461173B (en) | 2019-11-08 |
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ID=60549234
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710701534.0A Active CN107461173B (en) | 2017-08-16 | 2017-08-16 | A kind of water filling completion integral tool |
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| Country | Link |
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| CN (1) | CN107461173B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420526Y (en) * | 2009-05-20 | 2010-03-10 | 胜利油田利丰稠油技术开发有限公司 | Built-in hydraulic cement injector |
| US20130161015A1 (en) * | 2010-08-24 | 2013-06-27 | Stonecreek Technologies Inc. | Apparatus and method for fracturing a well |
| CN203742551U (en) * | 2014-02-10 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Sliding sleeve with flow control function |
| CN204225863U (en) * | 2014-10-28 | 2015-03-25 | 中国石油集团西部钻探工程有限公司 | Well cementation fracturing sliding bush |
| CN204782931U (en) * | 2015-06-19 | 2015-11-18 | 中国石油天然气股份有限公司 | Sliding sleeve fracturing valve |
-
2017
- 2017-08-16 CN CN201710701534.0A patent/CN107461173B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420526Y (en) * | 2009-05-20 | 2010-03-10 | 胜利油田利丰稠油技术开发有限公司 | Built-in hydraulic cement injector |
| US20130161015A1 (en) * | 2010-08-24 | 2013-06-27 | Stonecreek Technologies Inc. | Apparatus and method for fracturing a well |
| CN203742551U (en) * | 2014-02-10 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Sliding sleeve with flow control function |
| CN204225863U (en) * | 2014-10-28 | 2015-03-25 | 中国石油集团西部钻探工程有限公司 | Well cementation fracturing sliding bush |
| CN204782931U (en) * | 2015-06-19 | 2015-11-18 | 中国石油天然气股份有限公司 | Sliding sleeve fracturing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107461173B (en) | 2019-11-08 |
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