CN206693988U - A kind of rotary multi-ball ball injector - Google Patents
A kind of rotary multi-ball ball injector Download PDFInfo
- Publication number
- CN206693988U CN206693988U CN201720477670.1U CN201720477670U CN206693988U CN 206693988 U CN206693988 U CN 206693988U CN 201720477670 U CN201720477670 U CN 201720477670U CN 206693988 U CN206693988 U CN 206693988U
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- CN
- China
- Prior art keywords
- ball
- assembly
- outer barrel
- inner cylinder
- inner chamber
- 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.)
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Abstract
The utility model discloses a kind of rotary multi-ball ball injector, including outer barrel assembly, the outer barrel assembly generally annular section of the open annular space cylinder in right side and the outer barrel assembly forms inner chamber, in interior intracavitary, circular shaft is set, the circular shaft is fixed on the left of inner chamber on inner face with coaxial and the circular shaft left end, inner cylinder assembly insertion in intracavitary and with circular shaft coordinate, tubing nipple is connected by screwed connection mode with outer barrel assembly right side and clamping inner cylinder assembly, the inner chamber of rotating assembly through tubing nipple is connected with inner cylinder assembly, the utility model is applied to more, girdle CBM Fracturing, the utility model cost is cheap, it is simple in construction, reliability is high, it is easy to operate, substantial amounts of manpower can be saved, material resources.
Description
Technical field
A kind of rotary multi-ball ball injector is the utility model is related to, belongs to oil, construction of natural gas fields technical field.
Background technology
At present, the reservoir enhanced transformation measure of cbm development mainly has fracturing reform and well caving completion two ways.By
Hypertonic high-pressure reservoir is suitable only in Cavity Completion Well Methods, only obtains preferable application effect in U.S.'s san juan basin.Mesh
The preceding most widely used reservoir enhancements of domestic cbm development are still fracture technology.But the technology is mainly for list
One high seam carries out pressure break, has general applicability and validity in North China of China, for as Guizhou Province western part Fu Mei areas
The more of block, girdle development area are not fully suitable.
Oil ＆ gas industry pressure break application effect based on staged fracturing technology in more, small property layer, considers in different intervals
Multiple coal seams regard as one " gas-bearing bed ", realize upper multiple " gas-bearing bed " the reservoir reconstruction purposes in longitudinal direction.In order at utmost change
Make reservoir, during pressure break is single, it is necessary to well head pitching temporarily closure has formed the eyelet of major fracture, with " gas-bearing bed " its
He forms new crack in eyelet.
The ball injector that current domestic CBM Fracturing uses all is the oil gas ball injector that follows conventional lines, not only high expensive and knot
Structure is excessively complicated, and needs termination of pumping pitching.
Utility model content
The purpose of this utility model is：A kind of rotary multi-ball ball injector is provided, not termination of pumping in fracturing process can be achieved and throw
Ball, and installation ball is repeated after pitching, with overcome the deficiencies in the prior art.
The technical solution of the utility model
A kind of rotary multi-ball ball injector, including outer barrel assembly, the outer barrel assembly generally open annular space cylinder in right side and
The annular section of the outer barrel assembly forms inner chamber, sets circular shaft in interior intracavitary, the circular shaft is consolidated with coaxial and the circular shaft left end
It is scheduled on the left of inner chamber on inner face, intracavitary and coordinates in the insertion of inner cylinder assembly with circular shaft, tubing nipple passes through screwed connection mode
It is connected with outer barrel assembly right side and clamping inner cylinder assembly, the inner chamber of rotating assembly through tubing nipple is connected with inner cylinder assembly.
In a kind of foregoing rotary multi-ball ball injector, set in the outside top centre position of outer barrel assembly relief valve and
The relief valve is connected with inner chamber, and pressure gauge is set at relief valve, thread is set in outer barrel assembly right lateral surface, outside
Ball is set in cylinder assembly left end face and the ball connects with inner chamber.
In a kind of foregoing rotary multi-ball ball injector, hollow shaft is set on the left of inner cylinder assembly, the hollow shaft and inner cylinder
Assembly is coaxial and the hollow shaft can coordinate with circular shaft, and square protruding shaft is set on the right side of inner cylinder assembly and the square protruding shaft is total with rotating
Into mating connection, an at least hollow pipe, the axis of the hollow pipe and the axis of inner cylinder assembly are set on inner cylinder assembly surface
Parallel, left side sets an at least temporary plugging ball in hollow pipe, and right side sets capping in hollow pipe, in temporary plugging ball and capping
Between preloading spring is set, be evenly arranged through hole in face of lumen side in hollow pipe.
In a kind of foregoing rotary multi-ball ball injector, sealing ring is set between inner cylinder assembly and tubing nipple.
In a kind of foregoing rotary multi-ball ball injector, the rotating assembly includes rotating disk, rotating shaft, spoke and groove, 4
Equally distributed spoke by rotating disk and rotating shaft even one, the rotating shaft outer end be provided with one be connected with inner cylinder assembly right side it is recessed
Groove.
The utility model principle：After fracture well head ball injector is connected with pressure break high pressure line, fracturing fluid is total by outer barrel
Into ball enter the inner chamber of outer barrel assembly, then hollow pipe entered by the intercommunicating pore of inner cylinder assembly, realizes ball injector and height
Press the pressure balance of fracturing fluid；When pressure break, which proceeds to a period of time, needs ball-off, rotating disk is rotated clockwise first, will
A hollow pipe in inner cylinder assembly 2 with after ball is aligned in outer barrel assembly, by hollow pipe in the presence of hollow pipe inner spring
Interior temporary plugging ball is projected, and such as needs pitching again to continue to rotate clockwise rotating disk, and the temporary plugging ball in remaining hollow pipe is projected
Compared with prior art, the utility model is applied to more, girdle CBM Fracturing, and the utility model cost is low
Honest and clean, simple in construction, reliability is high, easy to operate, can save substantial amounts of human and material resources.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is outer barrel assembly structure schematic diagram in the utility model；
Accompanying drawing 3 is the side view of outer barrel assembly structure in the utility model；
Accompanying drawing 4 is the structural representation of the inner cylinder assembly in the utility model；
Accompanying drawing 5 is the side view of the inner cylinder assembly in the utility model；
Accompanying drawing 6 is the structural representation of the rotating assembly in the utility model；
Accompanying drawing 7 is the side view of the rotating assembly in the utility model.
Embodiment
Below in conjunction with the accompanying drawings to the further detailed description of the utility model, but not as to any limit of the present utility model
System.
The utility model is made by grouping experiment, and specific experiment is as follows：
Embodiment：A kind of rotary multi-ball ball injector, as shown in drawings, including outer barrel assembly 1, the outer barrel assembly 1 are overall
Annular section for the open annular space cylinder in right side and the outer barrel assembly 1 forms inner chamber 14, and circular shaft 15, the circle are set in inner chamber 14
Axle 15 is coaxial with inner chamber 14 and the left end of circular shaft 15 is fixed on the left side inner face of inner chamber 14, and inner cylinder assembly 2 is inserted in inner chamber 14
And coordinate with circular shaft 15, tubing nipple 3 is connected by screwed connection mode with the right side of outer barrel assembly 1 and clamping inner cylinder assembly 2, turns
The inner chamber of dynamic assembly 4 through tubing nipple 3 is connected with inner cylinder assembly 2.
Relief valve 11 wherein is set in the outside top centre position of outer barrel assembly 1 and the relief valve 11 connects with inner chamber 14
It is logical, pressure gauge 12 is set at relief valve 11, thread 13 is set in the right lateral surface of outer barrel assembly 1, it is left in outer barrel assembly 1
Ball 16 is set on side end face and the ball 16 connects with inner chamber 14.
Hollow shaft 27 is set in the left side of inner cylinder assembly 2, and the hollow shaft 27 is coaxial with inner cylinder assembly 2 and the hollow shaft 27 can be with
Circular shaft 15 coordinates, and sets square protruding shaft 25 on the right side of inner cylinder assembly 2 and the square protruding shaft 25 is connected with rotating assembly 4,
3 hollow pipes 22 are set on the surface of inner cylinder assembly 2, angle is all 90 degree between hollow pipe 22, the axis of the hollow pipe 22 with it is interior
The diameter parallel of cylinder assembly 2, left side sets an at least temporary plugging ball 21 in hollow pipe 22, and right side sets envelope in hollow pipe 22
Lid 24, preloading spring 23 is set between temporary plugging ball 21 and capping 24, through hole is evenly arranged in face of the side of inner chamber 14 in hollow pipe 22
26, sealing ring 5 is set between inner cylinder assembly 2 and tubing nipple 3.
The rotating assembly 4 includes 44,4 rotating disk 41, rotating shaft 42, spoke 43 and groove equally distributed spokes 43 by rotating disk
41 and rotating shaft 42 even one, the outer end of rotating shaft 42 are provided with one and the groove 44 being connected on the right side of inner cylinder assembly 2.
In use, after fracture well head ball injector is connected with pressure break high pressure line, fracturing fluid passes through the ball 16 of outer barrel assembly 1
Enter hollow pipe 22 into the inner chamber 14 of outer barrel assembly 1, then by the intercommunicating pore 26 of inner cylinder assembly 2, realize ball injector and height
Press the pressure balance of fracturing fluid.When pressure break, which proceeds to a period of time, needs ball-off, rotating disk 51 is rotated clockwise first
90 degree, by a hollow pipe 22 in inner cylinder assembly 2 with after ball 16 is aligned in outer barrel assembly 1, in the inner spring 23 of hollow pipe 22
In the presence of temporary plugging ball 21 in hollow pipe 22 is projected, such as need pitching again to continue rotating disk 51 rotating clockwise 90 degree, will be surplus
Temporary plugging ball 21 in 2 remaining hollow pipes 22 projects.
Furthermore it is noted that the art professional and technical personnel also, it is understood that the utility model patent is not limited in
The quantity of hollow pipe and the quantity of temporary plugging ball in each hollow pipe on cylinder assembly, while if still need to continue in fracturing process
Add temporary plugging ball, relief valve can be opened after pressure is reduced to 0, then temporary plugging ball is loaded after dismantling ball injector.
Above-mentioned pressure break ball injector shape is merely illustrative of simultaneously, and the restriction not to embodiment.For affiliated neck
For the those of ordinary skill in domain, it can also make other changes in different forms on the basis of the above description.This
In there is no need to be exhaustive to all embodiments.And the obvious changes or variations thus amplified out is still located
Among the protection domain of the utility model patent.
Claims (5)
1. a kind of rotary multi-ball ball injector, including outer barrel assembly (1), it is characterised in that：The outer barrel assembly (1) generally right side
Annular section formation inner chamber (14) of open annular space cylinder and the outer barrel assembly (1), sets circular shaft (15) in inner chamber (14), should
Circular shaft (15) is coaxial with inner chamber (14) and circular shaft (15) left end is fixed on the left of inner chamber (14) on inner face, inner cylinder assembly (2)
Insert in inner chamber (14) and coordinate with circular shaft (15), tubing nipple (3) is by screwed connection mode with connecting on the right side of outer barrel assembly (1)
Connect and clamping inner cylinder assembly (2), the inner chamber of rotating assembly (4) through tubing nipple (3) are connected with inner cylinder assembly (2).
A kind of 2. rotary multi-ball ball injector according to claim 1, it is characterised in that：In the outside of outer barrel assembly (1)
Crown center position sets relief valve (11) and the relief valve (11) connects with inner chamber (14), and pressure is set at relief valve (11) place
Table (12), thread (13) is set in outer barrel assembly (1) right lateral surface, ball is set in outer barrel assembly (1) left end face
Hole (16) and the ball (16) connects with inner chamber (14).
A kind of 3. rotary multi-ball ball injector according to claim 1, it is characterised in that：Set on the left of inner cylinder assembly (2)
Mandrel (27) is empty, the hollow shaft (27) is coaxial with inner cylinder assembly (2) and the hollow shaft (27) can coordinate with circular shaft (15), inside
Square protruding shaft (25) is set on the right side of cylinder assembly (2) and the square protruding shaft (25) is connected with rotating assembly (4), in inner cylinder assembly
(2) an at least hollow pipe (22), the axis of the hollow pipe (22) and the diameter parallel of inner cylinder assembly (2) are set on surface,
Left side sets an at least temporary plugging ball (21) in hollow pipe (22), and right side sets capping (24) in hollow pipe (22), is blocked up temporarily
Preloading spring (23) is set between ball (21) and capping (24), through hole is evenly arranged in face of inner chamber (14) side in hollow pipe (22)
(26)。
A kind of 4. rotary multi-ball ball injector according to claim 1, it is characterised in that：In inner cylinder assembly (2) and oil pipe
Sealing ring (5) is set between pipe nipple (3).
A kind of 5. rotary multi-ball ball injector according to claim 1, it is characterised in that：The rotating assembly (4) includes
Rotating disk (41), rotating shaft (42), spoke (43) and groove (44), 4 equally distributed spokes (43) are by rotating disk (41) and rotating shaft
(42) even one, rotating shaft (42) outer end are provided with one and the groove (44) being connected on the right side of inner cylinder assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477670.1U CN206693988U (en) | 2017-05-02 | 2017-05-02 | A kind of rotary multi-ball ball injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477670.1U CN206693988U (en) | 2017-05-02 | 2017-05-02 | A kind of rotary multi-ball ball injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206693988U true CN206693988U (en) | 2017-12-01 |
Family
ID=60448016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477670.1U Expired - Fee Related CN206693988U (en) | 2017-05-02 | 2017-05-02 | A kind of rotary multi-ball ball injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206693988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917600A (en) * | 2017-05-02 | 2017-07-04 | 贵州煤层气能源开发有限公司 | A kind of rotary multi-ball ball injector |
-
2017
- 2017-05-02 CN CN201720477670.1U patent/CN206693988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917600A (en) * | 2017-05-02 | 2017-07-04 | 贵州煤层气能源开发有限公司 | A kind of rotary multi-ball ball injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20180502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |