CN203547659U - Large drift diameter switch controller - Google Patents
Large drift diameter switch controller Download PDFInfo
- Publication number
- CN203547659U CN203547659U CN201320656384.3U CN201320656384U CN203547659U CN 203547659 U CN203547659 U CN 203547659U CN 201320656384 U CN201320656384 U CN 201320656384U CN 203547659 U CN203547659 U CN 203547659U
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- urceolus
- transposition
- threaded
- axle
- ball valve
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Abstract
The utility model discloses a large drift diameter switch controller, solving the problem that after well testing, a test string needs to be pulled out and a fracturing string is placed once again so as to complete a fracturing task, so the construction period is long. The large drift diameter switch controller particularly comprises an upper joint, a lower joint, a ball valve sealing mechanism, a time delay mechanism and a transposition locking mechanism, wherein the ball valve sealing mechanism consists of an upper ball seat, a lower ball seat, a ball valve core, a motion arm and the like and is the key of opening and closing the controller; the time delay mechanism consists of a time delay valve, an operation mandrel, a time delay outer barrel and the like, and has the effect of delaying opening the controller; the transposition locking mechanism consists of a transposition mandrel, a spline housing, a transposition outer barrel, a transposition lug and the like; the transposition lug is capable of realizing automatic transposition in the lifting and lowering process of a string; according to the structure of the controller, descending a string once can complete two tasks of well testing and fracturing after testing, and the aim of measuring underground pressure while a well is closed is achieved.
Description
Technical field
The utility model relates to a kind of Oil/gas Well testing tool.
Background technology
After Oil/gas Well test, a lot of wells need to carry out pressure break to same oil-gas Layer.Common method is to trip out test string, is again lowered to fracturing string, and this construction technology cycle is long.And common method fractured well do not realize downhole closing, be all surface shut-in, for strata pressure, low or pressure recovers slow well, and surface shut-in is difficult to measure strata pressure.
Summary of the invention
The purpose of this utility model is to provide a kind of large latus rectum on-off controller, and this controller has accomplished that mini-frac is integrated, descends one-trip string just can complete Oil/gas Well test and rear two tasks of pressure break of test, reached the object of downhole closing pressure measurement simultaneously.
For achieving the above object, the technical solution adopted in the utility model is: a kind of large latus rectum on-off controller, comprise top connection, lower contact, ball valve sealing mechanism, time-delay mechanism, transposition locking mechanism, wherein ball valve sealing mechanism comprises upper ball base, lower ball base, ball valve urceolus, ball valve core and motion arm, ball valve urceolus is threaded with top connection, the built-in upper ball base of ball valve urceolus and lower ball base, upper ball base is threaded with top connection, mounting ball valve core between upper ball base and lower ball base, motion arm is placed between lower ball base and ball valve urceolus, the rotation of manipulator control ball valve core, described time-delay mechanism, comprises connection axle, spacer sleeve, operation axle, packoff nipple, balance urceolus, dummy piston, compensating piston, connecting short section, Sealing shield ring, upper spindle, time-delay valve urceolus, spring mechanism, floating piston, time-delay valve, lower spindle and connection urceolus, the boss of described connection axle upper end is stuck in the ring recess of motion arm lower end, connect between axle and ball valve urceolus spacer sleeve is set, packoff nipple is threaded with the lower end of ball valve urceolus, the upper end of operation axle is inserted in spacer sleeve and is connected between axle, the lower end of packoff nipple is threaded with balance urceolus, the lower end upper spindle that is threaded of operation axle, in space between operation axle and upper spindle junction and balance urceolus, dummy piston and compensating piston are set, the lower end of balance urceolus is threaded with connecting short section, the lower end of the connecting short section time-delay valve urceolus that is threaded, in the top of time-delay valve urceolus and the space between upper spindle, Sealing shield ring is set, the top of time-delay valve urceolus and below arrange respectively oil filler point, the built-in oil filler plug of oil filler point, the below of the upper spindle lower spindle that is threaded, in space between upper spindle and lower spindle junction and time-delay valve urceolus, spring mechanism and time-delay valve are set, between lower spindle and time-delay valve urceolus, floating piston is also set, the lower end of time-delay valve urceolus be connected urceolus and be threaded, described transposition locking mechanism, comprise transposition axle, transposition urceolus, spline housing, transposition lug, the upper end of transposition urceolus is threaded with the lower end that is connected urceolus, the transposition upper end of axle and the lower end of lower spindle are threaded, the lower end of transposition axle is threaded with lower contact, permutated bits lug and spline housing in space between transposition axle and transposition urceolus, the transposition top of lug and the below of spline housing arrange respectively thrust washer.
The beneficial effects of the utility model: whether this large latus rectum on-off controller, by ball valve sealing winding machine underground switch well, correctly realizes switch well by time-delay mechanism's ground observation, realizes the position of ball valve change by changement.Realized the target of carrying out pressure break after the test of former tubing string, completed discharge opeing and asked and by closing ball valve, carry out the task of downhole closing pressure measurement postpartum.
Accompanying drawing explanation
Fig. 1 is the structural representation of the large latus rectum on-off controller of the utility model.
The structural representation of Tu2Shi ball valve sealing mechanism.
The structural representation of Tu3Shi time-delay mechanism.
Fig. 4 is horizontal line the first half structural representation in Fig. 3.
Fig. 5 is horizontal line the latter half structural representation in Fig. 3.
Fig. 6 is the structural representation of changement.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1: a kind of large latus rectum on-off controller, comprise top connection 1, lower contact 32, the I of ball valve sealing mechanism, the II of time-delay mechanism, transposition locking mechanism III, as shown in Figure 2: the I of ball valve sealing mechanism comprises upper ball base 2, lower ball base 6, ball valve urceolus 3, ball valve core 4 and motion arm 5, ball valve urceolus 3 is threaded with top connection 1, the built-in upper ball base 2 of ball valve urceolus 3 and lower ball base 6, upper ball base 2 is threaded with top connection 1, mounting ball valve core 4 between upper ball base 2 and lower ball base 6, motion arm 5 is placed between lower ball base 6 and ball valve urceolus 3, motion arm 5 is controlled the rotation of ball valve core 4, by Fig. 3 in conjunction with Fig. 4, shown in Fig. 5: the described II of time-delay mechanism, comprises and connect axle 7, spacer sleeve 8, operation axle 9, packoff nipple 10, balance urceolus 11, dummy piston 12, compensating piston 13, connecting short section 14, Sealing shield ring 15, upper spindle 17, time-delay valve urceolus 18, spring mechanism, time-delay valve 22, floating piston 23, lower spindle 24 and connection urceolus 25, the boss of described connection axle 7 upper ends is stuck in the ring recess of motion arm 5 lower ends, connect between axle 7 and ball valve urceolus 3 spacer sleeve 8 is set, the upper end of packoff nipple 10 is threaded with the lower end of ball valve urceolus 3, the upper end of operation axle 9 is inserted in spacer sleeve 8 and is connected between axle 7, the lower end of packoff nipple 10 is threaded with balance urceolus 11, the lower end upper spindle 17 that is threaded of operation axle 9, in space between operation axle 9 and upper spindle 17 junctions and balance urceolus 11, dummy piston 12 and compensating piston 13 are set, the lower end of balance urceolus 11 is threaded with connecting short section 14, the lower end of the connecting short section 14 time-delay valve urceolus 18 that is threaded, in space between the top of time-delay valve urceolus 18 and upper spindle 17, Sealing shield ring 15 is set, the top of time-delay valve urceolus 18 and below arrange respectively oil filler point, the built-in oil filler plug 16 of oil filler point, the below of upper spindle 17 lower spindle 24 that is threaded, in space between upper spindle 17 and lower spindle 24 junctions and time-delay valve urceolus 18, spring mechanism and time-delay valve 22 are set, described spring mechanism comprises upper spring seat 19, spring 20 and lower spring cup 21, the lower heart, 24 and time-delay valve urceolus 18 between floating piston 23 is also set, the lower end of time-delay valve urceolus 18 be connected urceolus 25 and be threaded, as shown in Figure 6: described transposition locking mechanism III, comprise transposition axle 30, transposition urceolus 31, spline housing 28, transposition lug 27, the upper end of transposition urceolus 31 is threaded with the lower end that is connected urceolus 25, the upper end of transposition axle 30 is threaded with the lower end of lower spindle 24, the lower end of transposition axle 30 is threaded with lower contact 32, permutated bits lug 27 and spline housing 28 in space between transposition axle 30 and transposition urceolus 31, the transposition top of lug 27 and the below of spline housing 28 arrange respectively thrust washer 26.
The operating principle of large latus rectum on-off controller:
While go into the well-going into the well, transposition lug is placed in short groove;
Under drive a well-tubing string, after projected depth, above carry certain altitude (being packer setting height), rotation set packer; In the time of need to driving a well, upper lifting pipe post, after free point finishes, transfers tubing string, and transposition lug enters elongated slot automatically; Transposition axle promotes upper lower spindle and operates axle up, and then it is up to promote to connect axle, drives motion arm up, opens ball valve core, and realization drives a well;
Closing well-upper lifting pipe post, motion arm is together descending with transposition axle, first closes ball valve core; Continue upper lifting pipe post, after free point finishes, transfer tubing string, transposition lug enters short groove automatically, realizes closing well.
Claims (1)
1. a large latus rectum on-off controller, comprise top connection, lower contact, ball valve sealing mechanism, time-delay mechanism, transposition locking mechanism, it is characterized in that: described ball valve sealing mechanism, comprise upper ball base, lower ball base, ball valve urceolus, ball valve core and motion arm, ball valve urceolus is threaded with top connection, the built-in upper ball base of ball valve urceolus and lower ball base, upper ball base is threaded with top connection, mounting ball valve core between upper ball base and lower ball base, motion arm is placed between lower ball base and ball valve urceolus, the rotation of manipulator control ball valve core, described time-delay mechanism, comprises connection axle, spacer sleeve, operation axle, packoff nipple, balance urceolus, dummy piston, compensating piston, connecting short section, Sealing shield ring, upper spindle, time-delay valve urceolus, spring mechanism, floating piston, time-delay valve, lower spindle and connection urceolus, the boss of above-mentioned connection axle upper end is stuck in the ring recess of motion arm lower end, connect between axle and ball valve urceolus spacer sleeve is set, packoff nipple is threaded with the lower end of ball valve urceolus, the upper end of operation axle is inserted in spacer sleeve and is connected between axle, the lower end of packoff nipple is threaded with balance urceolus, the lower end upper spindle that is threaded of operation axle, in space between operation axle and upper spindle junction and balance urceolus, dummy piston and compensating piston are set, the lower end of balance urceolus is threaded with connecting short section, the lower end of the connecting short section time-delay valve urceolus that is threaded, in the top of time-delay valve urceolus and the space between upper spindle, Sealing shield ring is set, the top of time-delay valve urceolus and below arrange respectively oil filler point, the built-in oil filler plug of oil filler point, the below of the upper spindle lower spindle that is threaded, in space between upper spindle and lower spindle junction and time-delay valve urceolus, spring mechanism and time-delay valve are set, between lower spindle and time-delay valve urceolus, floating piston is also set, the lower end of time-delay valve urceolus be connected urceolus and be threaded, described transposition locking mechanism, comprise transposition axle, transposition urceolus, spline housing, transposition lug, the upper end of transposition urceolus is threaded with the lower end that is connected urceolus, the transposition upper end of axle and the lower end of lower spindle are threaded, the lower end of transposition axle is threaded with lower contact, permutated bits lug and spline housing in space between transposition axle and transposition urceolus, the transposition top of lug and the below of spline housing arrange respectively thrust washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656384.3U CN203547659U (en) | 2013-10-23 | 2013-10-23 | Large drift diameter switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656384.3U CN203547659U (en) | 2013-10-23 | 2013-10-23 | Large drift diameter switch controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547659U true CN203547659U (en) | 2014-04-16 |
Family
ID=50465788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656384.3U Expired - Fee Related CN203547659U (en) | 2013-10-23 | 2013-10-23 | Large drift diameter switch controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014355A (en) * | 2016-06-22 | 2016-10-12 | 中国石油天然气集团公司 | Downhole tool for changing downhole oil nozzle size through wellhead pressurization |
| CN110566157A (en) * | 2019-09-16 | 2019-12-13 | 宝鸡畅油石油设备有限公司 | Ball valve type oil pipe pressure testing valve |
-
2013
- 2013-10-23 CN CN201320656384.3U patent/CN203547659U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014355A (en) * | 2016-06-22 | 2016-10-12 | 中国石油天然气集团公司 | Downhole tool for changing downhole oil nozzle size through wellhead pressurization |
| CN110566157A (en) * | 2019-09-16 | 2019-12-13 | 宝鸡畅油石油设备有限公司 | Ball valve type oil pipe pressure testing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20211023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |