CN205558883U - A multistage bowling device for separate stratum fracfturing acidizing - Google Patents

A multistage bowling device for separate stratum fracfturing acidizing Download PDF

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Publication number
CN205558883U
CN205558883U CN201620326947.6U CN201620326947U CN205558883U CN 205558883 U CN205558883 U CN 205558883U CN 201620326947 U CN201620326947 U CN 201620326947U CN 205558883 U CN205558883 U CN 205558883U
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CN
China
Prior art keywords
pitching
pipe
case
ball
bowling
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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.)
Expired - Fee Related
Application number
CN201620326947.6U
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Chinese (zh)
Inventor
刘雨薇
徐克彬
任勇强
武宗刚
王光明
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CNPC Bohai Drilling Engineering Co Ltd
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CNPC Bohai Drilling Engineering Co Ltd
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Priority to CN201620326947.6U priority Critical patent/CN205558883U/en
Application granted granted Critical
Publication of CN205558883U publication Critical patent/CN205558883U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a multistage bowling device for separate stratum fracfturing acidizing, its gland that includes threaded connection, bowling case and union tee bend, bowling case lateral part intercommunication is equipped with a plurality of bowling pipes, each diameter diverse who bats intraductal ball of packing into, bowling bottom of the case portion is equipped with a plurality of step holes, downthehole T shape round pin and the reset spring of being equipped with respectively of every step, every T shape round pin is tightly downthehole at the step that corresponds lower of reset spring's effect, the upper portion of every T shape round pin is passed corresponding step hole and is upwards stretched out and keeps off in port department that the bowling that corresponds was managed, every pipe of batting still is connected with supercharging device through water tangential belt. The utility model discloses a compactness rational in infrastructure can drop into the not ball of unidimensional different materials by remote control, realizes long -range a lot of and bats, at segmentation fracturing in -process, has not only improved the operating efficiency, has increased the security performance, also more is favorable to the environmental protection.

Description

Multistage ball-throwing apparatus for separate stratum fracfturing acidifying
Technical field
This utility model relates to petroleum natural gas exploration technical field, especially a kind of for separate stratum fracfturing The multistage ball-throwing apparatus of acidifying.
Background technology
Pitching operation is the important stage in underground work acid fracturing.Blocking ball fracturing technology is because of staged fracturing Effect is notable, pitching blocking operation is convenient, operating cost economic dispatch reason is widely used in staged fracturing In operation.I uses this technique mostly at unit present stage separate stratum fracfturing.
When using blocking ball pressure break, pitching operation is the most crucial.Existing stuff needs personnel existing mostly Field operation, human control ball injector action carries out pitching.During artificial pitching operation, workmen needs the most People enters the craft pitching of operations involving high pressure district, there is serious security risk.Meanwhile, artificial pitching complex operation Arduously, labor intensity is big.Along with well depth constantly increases, constantly carrying of multilateral well and horizontal well drilling technology Rising and extensively application, operational pressure constantly increases, and causes the dangerous increase of operation under environment under high pressure.Warp More than analyze, need existing stuff is improved.
Summary of the invention
The technical problems to be solved in the utility model be to provide a kind of easy operation and safety for separate stratum fracfturing acid The multistage ball-throwing apparatus changed.
In order to solve above-mentioned technical problem, this utility model include the most threaded gland, Pitching case and union threeway, wherein pitching case and union threeway are interconnected setting each other, described throwing The connection of ball case sidepiece is provided with multiple pitching pipe, and the internal diameter of each described pitching pipe is different, and each pitching The diameter of ball loaded in pipe is different, and described pitching bottom portion is provided with multiple stepped hole, multiple described Hole, rank is arranged with multiple described pitching pipe one_to_one corresponding, each described stepped hole upper end open and corresponding pitching Pipe communicates, and is respectively provided with a T-shaped pin and a back-moving spring, the most each described T in each described stepped hole Shape pin holds out against under the effect of back-moving spring in corresponding stepped hole, and the top of each described T-shaped pin is worn The stepped hole crossing correspondence protrudes upward and keeps off in the port of Dui Ying pitching pipe, and each described pitching pipe also divides Tong Guo not be connected with pressurizer by a rotary hose, divide between the most each described pitching pipe and corresponding rotary hose It is not provided with a ball-and-seat, between each described rotary hose and pressurizer, is respectively equipped with a hose valve.
The quantity of described pitching case is two, and two pitching casees are threaded togather, often the most accordingly Individual described pitching case be respectively provided on two sides with a pitching pipe, and the internal diameter of four pitching pipes is different.
Each described T-shaped pin top is formed with chamfering adjacent to the side of pitching pipe.
The beneficial effects of the utility model are: of the present utility model rational in infrastructure compact, it is intended to utilize a dress Put, once mounting, can remotely control to put into the ball of different size unlike material, it is achieved remotely repeatedly pitching, And then in staged fracturing work progress, operator without repeatedly dismantling pipeline after pressure release or opening well head, Also without Non-follow control pitching, not only increase working performance, add security performance, be more favorable to Environmental conservation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multistage ball-throwing apparatus that this utility model is acidified for separate stratum fracfturing;
Fig. 2 is the close-up schematic view in Fig. 1.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, of the present utility model for separate stratum fracfturing acidifying multistage ball-throwing apparatus include gland 1, Pitching case, union threeway 2, pitching pipe 3, T-shaped pin 4, back-moving spring 5, rotary hose 6, pressurizer 7, Ball-and-seat 8, hose valve 9.
The quantity of described pitching case is two, and two pitching casees are respectively the first pitching case 10 and the second pitching case 11, wherein the second pitching case 11 is threaded in the lower end of the first pitching case 10, the first pitching case 10 upper end Threaded have described gland 1, and described second pitching case 11 lower end is threaded in described union threeway 2, And first pitching case the 10, second pitching case 11 and union threeway 2 be interconnected each other setting.
It is respectively equipped with two pitching pipes 3 on each pitching case, and the internal diameter of four pitching pipes 3 is different, and The diameter of the ball loaded in each pitching pipe 3 is different.
As depicted in figs. 1 and 2, each described pitching bottom portion is respectively equipped with multiple stepped hole, a throwing In ball case, the quantity of stepped hole is consistent with the quantity of pitching pipe 3, and multiple described stepped hole and multiple described throwings Bulb 3 one_to_one corresponding is arranged.Each described stepped hole upper end open communicates with corresponding pitching pipe 3, each Being respectively provided with T-shaped pin 4 and a back-moving spring 5 in described stepped hole, the most each described T-shaped pin 4 is multiple Hold out against in corresponding stepped hole under the effect of position spring 5, and the top of each described T-shaped pin 4 is through right The stepped hole answered protrudes upward and keeps off the port at corresponding pitching pipe 3.Wherein, in the first pitching case 10 Stepped hole bottom by second pitching case 11 upper end closure, bottom the stepped hole in the second pitching case 11 use Sealing block blocks.The design of T-shaped pin 4 be fall into too early in order to avoid ball is given a shock in operation process by Nonyl threeway 2 causes pitching job failure.Each described T-shaped pin 4 top is formed adjacent to the side of pitching pipe Having chamfering, the design of chamfering is in order to, under hydraulic-driven, ball can extrude T-shaped pin 4 makes it retract, and Successfully penetrate from pitching pipe 3.
Each described pitching pipe 3 is connected with pressurizer 7 by a rotary hose 6 the most respectively, the most each institute State and between pitching pipe 3 and corresponding rotary hose 6, be respectively equipped with a ball-and-seat 8, each described rotary hose 6 and increasing A hose valve 9 it is respectively equipped with between pressure device 7.
Before fracturing work, first by gland the 1, first pitching case the 10, second pitching case 11 and union threeway 2 Pass through screwed connection;Each pitching pipe 3 is connected with ball-and-seat 8 and rotary hose 6, job requirements will be met The ball of different-diameter is placed in each pitching pipe 3, and a spheroid placed by each pitching pipe 3, it is to avoid pitching operation Many throwings of Shi Yinqi or throw phenomenon less;Connect pitching pipe 3 and (the first pitching case 10 and the second pitching of pitching case Case 11), after connection, test the sealing of this apparatus system.After sealing reaches requirement, close union Threeway 2 valve, starts pressing crack construction.When proceeding to the pitching stage, open union threeway 2 valve, press Construction requirement, opens hose valve 9 corresponding in pressurizer 7, suppresses corresponding ball-and-seat 8, Under hydraulic-driven, spheroid extruding T-shaped pin 4 so that it is retract, make corresponding ball penetrate from pitching pipe 3, Enter union threeway 2 through pitching box cavity, and enter fractured well, single pitching operation through union threeway 2 inner chamber After completing, by the elastic force of back-moving spring 5, T-shaped pin 4 resets, and completes single pitching flow process.According to construction Design is suppressed by pressurizer 7, is sequentially completed each pitching flow process, is finally completed executing of whole pitching stage Work.
In sum, content of the present utility model is not limited in the above embodiments, the technology of this area Personnel can propose other embodiment within technological guidance's thought of the present utility model, but these embodiments It is included within the scope of this utility model.

Claims (3)

1. the multistage ball-throwing apparatus for separate stratum fracfturing acidifying, it is characterised in that: include depending on from top to bottom Secondary threaded gland (1), pitching case and union threeway (2), wherein pitching case and union threeway (2) Be interconnected setting each other, and the connection of described pitching case sidepiece is provided with multiple pitching pipe (3), each described The internal diameter of pitching pipe (3) is different, and the diameter of the ball loaded in each pitching pipe (3) is different, Described pitching bottom portion is provided with multiple stepped hole, and multiple described stepped holes are with multiple described pitching pipes (3) one by one Being correspondingly arranged, each described stepped hole upper end open communicates with corresponding pitching pipe (3), each described step Being respectively provided with a T-shaped pin (4) and a back-moving spring (5) in hole, the most each described T-shaped pin (4) exists Hold out against under the effect of back-moving spring (5) in corresponding stepped hole, and each described T-shaped pin (4) is upper Portion protrudes upward and keeps off through corresponding stepped hole in the port of Dui Ying pitching pipe (3), each described throwing Bulb (3) is connected with pressurizer (7) by a rotary hose (6) the most respectively, the most each described pitching It is respectively equipped with a ball-and-seat (8), each described rotary hose (6) between pipe (3) and corresponding rotary hose (6) And it is respectively equipped with a hose valve (9) between pressurizer (7).
2. according to the multistage ball-throwing apparatus for separate stratum fracfturing acidifying described in claim 1, it is characterised in that: The quantity of described pitching case is two, and two pitching casees are threaded togather the most accordingly, Mei Gesuo That states pitching case is respectively provided on two sides with a pitching pipe, and the internal diameter of four pitching pipes is different.
3. according to the multistage ball-throwing apparatus for separate stratum fracfturing acidifying described in claim 1, it is characterised in that: Each described T-shaped pin (4) top is formed with chamfering adjacent to the side of pitching pipe.
CN201620326947.6U 2016-04-18 2016-04-18 A multistage bowling device for separate stratum fracfturing acidizing Expired - Fee Related CN205558883U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620326947.6U CN205558883U (en) 2016-04-18 2016-04-18 A multistage bowling device for separate stratum fracfturing acidizing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620326947.6U CN205558883U (en) 2016-04-18 2016-04-18 A multistage bowling device for separate stratum fracfturing acidizing

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CN205558883U true CN205558883U (en) 2016-09-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116006121A (en) * 2023-03-23 2023-04-25 西安石油大佳润实业有限公司 Automatic feeding device for temporary plugging agent of rope knot
CN118481590A (en) * 2024-07-16 2024-08-13 中石化西南石油工程有限公司 Remote intelligent control continuous ball throwing device for temporary fracturing and blocking and use method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116006121A (en) * 2023-03-23 2023-04-25 西安石油大佳润实业有限公司 Automatic feeding device for temporary plugging agent of rope knot
CN116006121B (en) * 2023-03-23 2024-04-16 西安石油大佳润实业有限公司 Automatic feeding device for temporary plugging agent of rope knot
CN118481590A (en) * 2024-07-16 2024-08-13 中石化西南石油工程有限公司 Remote intelligent control continuous ball throwing device for temporary fracturing and blocking and use method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160907

Termination date: 20190418