CN201474666U - Underground ball throwing control switch valve - Google Patents
Underground ball throwing control switch valve Download PDFInfo
- Publication number
- CN201474666U CN201474666U CN200920172899XU CN200920172899U CN201474666U CN 201474666 U CN201474666 U CN 201474666U CN 200920172899X U CN200920172899X U CN 200920172899XU CN 200920172899 U CN200920172899 U CN 200920172899U CN 201474666 U CN201474666 U CN 201474666U
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- valve
- ball
- urceolus
- gauge tap
- hole
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- Expired - Lifetime
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Abstract
The utility model relates to an underground ball throwing control switch valve, in particular to a pressing switch control valve after underground ball throwing. Aiming at solving the problem of frequently pulling tube pillars in test drilling, the utility model provides a device which can close a main channel of an oil pipeline and simultaneously can open an oil and lantern ring idle circulation channel at the upper part of a tool. The device comprises an upper connector, an outer barrel and a lower connector, wherein the upper connector is connected with the outer barrel; the outer barrel is provided with a ball seat, a sliding valve, a spring jaw, a power mandrel, a ball valve and a spline mandrel in sequence, wherein the ball seat is fixed at the top end of the sliding valve by a clamping spring; an air cavity is arranged between the sliding valve and the outer barrel; the upper connector is provided with a circulating hole; the spring jaw is connected with the sliding valve and the power mandrel; one end of an operation arm is connected with the spring jaw and the power mandrel, and the other end thereof is connected with the ball valve; and the lower connector is installed with the spline mandrel. The technical scheme has high efficiency, low accident rate and convenient use, greatly shortens the test drilling time, and saves a great amount of operation cost.
Description
Technical field
The utility model relates to a kind of oil gas well formation testing pilot production downhole tool, suppresses switching control pilot after especially relating to the pitching of a kind of down-hole.
Background technology
Along with the progress of petroleum exploration and development, oil gas well formation testing pilot production technology is brought in constant renewal in, and formation testing method of testing commonly used at present is every test one deck, will open the circulating valve kill-job, trip out test string, and change tubing string and test to top well section again, by that analogy, finish full well formation testing test.A frequent lower tubular column is at first lost time, and secondly, a lower tubular column process time has been grown gas blowout accident is also taken place easily, and trouble of lost tool in hole also takes place the frequent lower tubular column that rises easily.Well for the carbonate rock of multilayer carries out the layering pilot production, because the not stable yields characteristic of carbonate reservoir, the individual layer pilot production is just exhausted or generation water logging through the very short time of being everlasting, return other well section of pilot production on needing, need this moment to use workover rig that the tubing string that was lowered to is originally risen out, construction needs for a long time, causes construction cost significantly to increase.
The utility model content
Situation at above prior art, the problem of frequent lift pipe string when solving well testing, the utility model provides a kind of oil that also can open the instrument upper end when closing the oil pipe main channel, the device of collar idle loop passage, the scheme that adopts is as follows: a kind of down-hole pitching gauge tap valve, comprise top connection, urceolus and lower contact, it is characterized in that, described top connection is connected with urceolus, ball seat is installed in the described urceolus successively, guiding valve, spring detent, the power mandrel, ball valve, the spline mandrel, described ball seat is fixed on the guiding valve top by jump ring, between described guiding valve and the urceolus air chamber is arranged, in the described top connection circulation port is arranged, described spring detent and guiding valve, the power mandrel connects, described motion arm one end and spring detent, the power mandrel connects the other end and is connected with ball valve, and described lower contact and spline mandrel are installed together.
An optimal way of the present utility model: the length 〉=guiding valve of described air chamber exposes the distance of circulation port when falling, and described air chamber bottom is equipped with cushion pad.
Another optimal way of the present utility model: described air chamber length is 104.75mm.
An optimal way more of the present utility model: described motion arm is installed on the outer tube inner wall, the upper end of described motion arm is connected with the outside, spring detent lower end groove by the engaging mode, the lower end is connected with ball valve by projection, have hole on the valve ball in the described ball valve, hemisphere jut snaps on the valve ball in the hole on the described motion arm.
An also optimal way of the present utility model: described guiding valve and top connection are fixed by shear pin.
Another optimal way of the present utility model: there is the sealing ring sealing at described top connection, urceolus, the lower contact place of interconnecting.
Another optimal way of the present utility model: described urceolus comprises guiding valve urceolus and ball valve urceolus and by being threaded togather.
An optimal way more of the present utility model: the diameter of described circulation port is 50-70mm.
An optimal way more of the present utility model: described circulation port is preferably 61.35mm.
An optimal way more of the present utility model: described lower contact is connected with the memory-type pressure meter.
This programme is after ball is seated on the ball seat, suppress in the tubing string, pressure acts on the pin circular area of living in and is converted to downward thrust, when thrust during greater than the shearing force of pin pin cut off, rely on tubing string head of liquid and air chamber pressure differential, downward compressed air cell, the guiding valve lower end promotes spring detent and drives motion arm, motion arm promotes the valve ball rotation by projection and realizes cutting out ball valve, following testing well section is closed also can carry out pressure buildup test, this moment the sliding sleeve mandrel the top just in time move to circulation port below, the circulation port equivalent diameter is big, tubing string is inside and outside to be realized being communicated with and can carry out kill-job or the second layer is tested.The technical program efficient height, accident rate are low, easy to use.Shortened the formation testing time greatly, saved a large amount of construction operation costs, also security risk has been dropped to minimum simultaneously.Realized the purpose that one-trip string is tested respectively three Pressure Curve in Oil Testing Well sections.
Description of drawings
Fig. 1 the utility model structural representation
The specific embodiment
As shown in Figure 1, utilize jump ring to be installed in guiding valve 5 tops pitching ball seat 4, jump ring can fixed ball seat, guiding valve 5 is installed in the top connection 1 by shear pin 17, circulation port 11 in the top connection 1 is positioned at the top of shear pin 17, all there are sealing ring 18 sealings in the place that the both sides up and down of circulation port 11, guiding valve 5 contact with top connection 1, and the diameter of circulation port 11 is preferably 61.35mm between the 50-70 millimeter.For easy for installation, generally urceolus 2 is divided into guiding valve urceolus 19,20 liang of parts of ball valve urceolus, between the two by being threaded, guiding valve urceolus 19 and top connection 1 are by being threaded togather, the junction is positioned at top, top connection shear pin hole, between junction and the shear pin hole sealing ring 18 is installed, at the middle part of guiding valve external surface, the inner surface corresponding position of guiding valve urceolus 19 has a step respectively, two steps stagger mutually and form an air chamber 10, the upper and lower of air chamber 10 is sealed by sealing ring respectively, the bottom of air chamber 10 is equipped with elastic buffering pad 13, impulse force when being used to cushion guiding valve decline, the length of air chamber 10 guarantees that guiding valve decline back circulation port 11 can expose fully, and the length of this programme air chamber 10 is elected 104.75mm as.The lower end of guiding valve connects a spring detent 6, and the top of spring detent 6 utilizes elastic force to be fixed on guiding valve 5 lower ends, packs in the pawl groove on the power mandrel 7 in the bottom.Spring detent 6 external surface bottoms are fluted, groove engages with the projection of motion arm 12 1 ends, ball valve 8 is installed in power mandrel 7 belows, comprise ball indigo plant, spring pad, valve ball 15, valve ball seat, one pothole 16 is arranged on valve ball, the other end of motion arm has the hemisphere jut 14 towards the axle center, hemisphere jut 14 snaps in the pothole 16 on the valve ball 15, the below of ball valve 8 is connected with spline mandrel 9, spline mandrel 9 is connected with lower contact 3 by screw thread, 18 sealings of the sealing ring also installed in the junction can be equipped with the memory-type pressure meter at the other end of lower contact.
The application's device control valve needs test point that control valve is installed with striding the pipe post and other testing tool is gone into well at each, and circulation port 11 is a closed condition during installation, and the ball valve 8 of below is an open mode.Control valve is connected between two packers, and the lower contact lower end connects the memory-type pressure meter, and the control valve design has enough pin holes, and the pressure that the degree of depth that can be lowered to according to control valve or planing discipline are transformed selects pin quantity to satisfy construction requirement arbitrarily.When needs are opened control valve, exert pressure by outside managing in pitching back to ball seat 4 in tubing string, when the pressure that is subjected to when guiding valve 5 is converted to longitudinal force and meets or exceeds the total shearing force of pin, pin 17 is cut off, the top head of liquid acts on the guiding valve end face, atmospheric pressure in the extruding air chamber 10, guiding valve 5 is fallen rapidly, the guiding valve lower end utilizes fixing spring detent 6, power mandrel 7 promotes motion arm 12 downwards, when motion arm 12 is descending, hemisphere jut 14 on the motion arm promotes valve ball 15 and takes place vertically to rotatablely move 90 °, valve ball 15 is closed, realize closing in the tubing string, the stroke that ball valve 8 is opened is less than the stroke that circulation port 11 is opened, after motion arm 12 stop motions, guiding valve 5 lower ends are advanced into spring detent 6 inside under continuing, open up to circulation port 11, this moment, spring detent 6 tops entered the space between guiding valve 5 and the urceolus 2, circulation port 11 is exposed and is set up the tubing string internal and external channel, realize the test of closing of this layer, the other end in lower contact is installed the memory-type pressure meter, is used for test sealing back down-hole pressure value.
Claims (10)
1. down-hole pitching gauge tap valve, comprise top connection (1), urceolus (2) and lower contact (3), it is characterized in that, described top connection (1) is connected with urceolus (2), ball seat (4) is installed in the described urceolus successively, guiding valve (5), spring detent (6), power mandrel (7), ball valve (8), spline mandrel (9), described ball seat (4) is fixed on guiding valve (5) top by jump ring, between described guiding valve (5) and the urceolus (2) air chamber (10) is arranged, circulation port (11) is arranged in the described top connection, described spring detent (6) upper end and guiding valve (5), power mandrel (7) connects the lower end and is connected with motion arm (12), described motion arm (12) one ends and spring detent (6), power mandrel (7) connects the other end and is connected with ball valve (8), and described lower contact (3) is installed together with spline mandrel (9).
2. down-hole pitching gauge tap valve as claimed in claim 1 is characterized in that the length 〉=guiding valve of described air chamber (10) exposes the distance of circulation port when falling, and described air chamber (10) bottom is equipped with cushion pad (13).
3. down-hole pitching gauge tap valve as claimed in claim 2 is characterized in that described air chamber (10) length is 104.75mm.
4. down-hole pitching gauge tap valve as claimed in claim 2, it is characterized in that, described motion arm (12) is installed on urceolus (2) inwall, the upper end of described motion arm is connected with the outside, spring detent lower end groove by the engaging mode, the lower end is connected with ball valve (8) by projection (14), have hole (16) on the valve ball (15) in the described ball valve, hemisphere jut on the described motion arm (14) snaps in the hole on the valve ball (16).
5. down-hole pitching gauge tap valve as claimed in claim 4 is characterized in that, described guiding valve (5) is fixing by shear pin (17) with top connection (1).
6. down-hole pitching gauge tap valve as claimed in claim 5 is characterized in that, there is sealing ring (18) sealing at described top connection, urceolus, the lower contact place of interconnecting.
7. down-hole pitching gauge tap valve as claimed in claim 6 is characterized in that, described urceolus (2) comprises guiding valve urceolus (19) and ball valve urceolus (20) and by being threaded togather.
8. down-hole pitching gauge tap valve as claimed in claim 7 is characterized in that the diameter of described circulation port (11) is 50-70mm.
9. down-hole pitching gauge tap valve as claimed in claim 7 is characterized in that described circulation port (11) is preferably 61.35mm.
10. down-hole pitching gauge tap valve as claimed in claim 7 is characterized in that described lower contact (3) is connected with the memory-type pressure meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920172899XU CN201474666U (en) | 2009-08-20 | 2009-08-20 | Underground ball throwing control switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920172899XU CN201474666U (en) | 2009-08-20 | 2009-08-20 | Underground ball throwing control switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474666U true CN201474666U (en) | 2010-05-19 |
Family
ID=42410914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920172899XU Expired - Lifetime CN201474666U (en) | 2009-08-20 | 2009-08-20 | Underground ball throwing control switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474666U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296941A (en) * | 2011-07-29 | 2011-12-28 | 扬州市驰城石油机械有限公司 | drilling tool bypass valve |
| CN102650200A (en) * | 2011-02-23 | 2012-08-29 | 新疆华油油气工程有限公司 | Shot-free unidirectional blocking valve |
| CN103061733A (en) * | 2013-01-14 | 2013-04-24 | 西南石油大学 | Sleeve valve type fracturing production-increasing tool |
| CN103114843A (en) * | 2013-02-18 | 2013-05-22 | 中国石油天然气股份有限公司 | Multi-layer multi-section continuous oil testing system without lifting tubular column and operation method thereof |
| CN103147720A (en) * | 2013-02-18 | 2013-06-12 | 中国石油天然气股份有限公司 | Hydraulic switching valve |
| CN103742107A (en) * | 2014-01-20 | 2014-04-23 | 中煤科工集团西安研究院有限公司 | Downhole mechanical switching valve for coal-bed gas well testing |
| CN110905456A (en) * | 2018-09-18 | 2020-03-24 | 中国石油天然气股份有限公司 | Pressure delay ball throwing device |
| CN116025340A (en) * | 2023-02-28 | 2023-04-28 | 江苏和信石油机械有限公司 | Pressure sensor for monitoring air pressure under oil well |
-
2009
- 2009-08-20 CN CN200920172899XU patent/CN201474666U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650200A (en) * | 2011-02-23 | 2012-08-29 | 新疆华油油气工程有限公司 | Shot-free unidirectional blocking valve |
| CN102650200B (en) * | 2011-02-23 | 2014-12-10 | 新疆华油油气工程有限公司 | Shot-free unidirectional blocking valve |
| CN102296941A (en) * | 2011-07-29 | 2011-12-28 | 扬州市驰城石油机械有限公司 | drilling tool bypass valve |
| CN103061733A (en) * | 2013-01-14 | 2013-04-24 | 西南石油大学 | Sleeve valve type fracturing production-increasing tool |
| CN103114843A (en) * | 2013-02-18 | 2013-05-22 | 中国石油天然气股份有限公司 | Multi-layer multi-section continuous oil testing system without lifting tubular column and operation method thereof |
| CN103147720A (en) * | 2013-02-18 | 2013-06-12 | 中国石油天然气股份有限公司 | Hydraulic switching valve |
| CN103114843B (en) * | 2013-02-18 | 2015-07-08 | 中国石油天然气股份有限公司 | Multi-layer multi-section continuous oil testing system without lifting tubular column and operation method thereof |
| CN103147720B (en) * | 2013-02-18 | 2015-10-14 | 中国石油天然气股份有限公司 | Hydraulic switching valve |
| CN103742107A (en) * | 2014-01-20 | 2014-04-23 | 中煤科工集团西安研究院有限公司 | Downhole mechanical switching valve for coal-bed gas well testing |
| CN103742107B (en) * | 2014-01-20 | 2016-04-06 | 中煤科工集团西安研究院有限公司 | Coal bed gas well well testing down-hole mechanical switch valve |
| CN110905456A (en) * | 2018-09-18 | 2020-03-24 | 中国石油天然气股份有限公司 | Pressure delay ball throwing device |
| CN116025340A (en) * | 2023-02-28 | 2023-04-28 | 江苏和信石油机械有限公司 | Pressure sensor for monitoring air pressure under oil well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |