CN203114245U - Primary switching valve under shaft - Google Patents
Primary switching valve under shaft Download PDFInfo
- Publication number
- CN203114245U CN203114245U CN 201320119780 CN201320119780U CN203114245U CN 203114245 U CN203114245 U CN 203114245U CN 201320119780 CN201320119780 CN 201320119780 CN 201320119780 U CN201320119780 U CN 201320119780U CN 203114245 U CN203114245 U CN 203114245U
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- hole
- pipe nipple
- ball
- axle
- valve
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Abstract
The utility model discloses a primary switching valve under the shaft. The primary switching valve comprises an upper connector, a mandrel outer barrel, a ball valve outer barrel, a lower connector, a mandrel, a connecting jaw, a connecting short joint, a ball cage and a ball seat short joint. The mandrel is connected on the lower portion of the upper connector, the connecting jaw and the connecting short joint are sequentially and fixedly connected on the lower portion of the mandrel, the ball cage is inserted into the connecting short joint, the ball cage and the ball seat short joint are fixedly connected, the ball valve is arranged between the ball cage and the ball seat short joint, the ball seat short joint is connected in the lower connector, an operating arm is connected between the connecting short joint and the ball valve, the operating arm drives the ball valve to rotate to open and close the shaft, a downward ring-shaped space and an upward ring-shaped space are formed respectively in the upper portion and the lower portion of a mandrel step, a first rupture disk and a second rupture disk are sequentially formed above and below the mandrel outer barrel, and the first rupture disk and the second rupture disk are arranged corresponding to the lower ring-shaped space and the upper ring-shaped space. The primary switching valve is simple in structure, reduces safety hazards, and improves mechanical strength; operation is simple, and the shaft can be opened and closed instantly through pressing; and functions are complete, the purpose of opening and closing the shaft for one time is achieved, and circulating shaft control can be achieved after the shaft is closed.
Description
Technical field
The utility model relates to a kind of casing Test Switchboard valve, the switch valve in especially a kind of down-hole.
Background technology
Entered since 21 century, the energy becomes the lifeblood of supporting each national development, for obtaining more petroleum resources, the exploration of oil and exploitation are progressively slowly developed into more than the six present kms by three, four original kms, ground environment becomes increasingly complex, and this just requires the downhole testing instrument to carry out operation under the environment of HTHP.At present in the sleeve pipe test process, testing valve generally is divided into two kinds of the multithread test valve of MFE and voltage-controlled testing valves (N valve, STV valve).The multithread test valve is put tubing string and is realized the switch well by putting on the ground, in the high angle hole of HTHP, switch well processing ease produces error, voltage-controlled testing valve (N valve, STV valve) belongs to down-hole multiple switching valve, the nitrogen chamber is arranged in the instrument, the hp-ht well test time need charge into the nitrogen that the down-hole need be compressed to High Voltage, and instrument easy deformation or damage are for ground transport and maintenance bring potential safety hazard.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, easy and simple to handle, multiple functional and switch valve in down-hole of safety guarantee arranged.
In order to solve the problems of the technologies described above, the utility model comprises the top connection of thread seal connection successively, the axle urceolus, ball valve urceolus and lower contact, above-mentioned each parts middle part is interconnected and forms a passage, described top connection bottom is provided with circulation port, also comprise the axle that is arranged in described passage and sets gradually, connect pawl, connect pipe nipple, ball cage and ball seat pipe nipple and above-mentioned each parts middle part are interconnected and form an operation hole, described axle top is connected described top connection inwall bottom by cutting off, the outer wall that this axle top is formed with upstream space and this axle can seal and block described circulation port, described connection pawl is fixed in described axle bottom successively with the described pipe nipple that is connected, described ball cage top is inserted in the described connection pipe nipple and both can relatively move, described ball cage and described ball seat pipe nipple seal affixed and are provided with ball valve between the two, described ball seat pipe nipple is threaded in described lower contact inside, be connected with a motion arm between described connection pipe nipple and the described ball valve, described ball valve can rotate under the drive of described motion arm and make the operation hole be communicated with, be formed with a step on the described axle, the upper and lower of this step is formed with descending annular space and the up annular space of a sealing respectively, on the described axle urceolus, be provided with first rupture disk and second rupture disk down successively, the air inlet of described first rupture disk is positioned at top one side of descending annular space, and the air inlet of described second rupture disk is positioned at bottom one side of up annular space.
Described axle bottom is formed with an annular groove, and described connection pawl top is formed with the projection that can be installed in the described annular groove, and this connection pawl lower thread is connected described connection pipe nipple top.
Described connection pipe nipple bottom is formed with a rectangular recess, and described motion arm top is formed with a rectangle projection that is complementary with described rectangular recess, and the bottom of this motion arm is formed with a spherical protrusions.
Described ball valve middle part is formed with a through hole, the axis of this through hole arranges with described motion arm is vertical, described ball valve bottom one side is formed with a handle hole that matches and be connected with described through hole with described spherical protrusions, and the axes intersect of this handle hole and described through hole is in the centre of sphere.
Described ball cage is connected with described ball seat pipe nipple thread seal.
Described lower contact external wall of upper portion is formed with the external screw thread that is tightly connected with described ball valve urceolus, and inwall is formed with the internal thread that is tightly connected with described ball seat pipe nipple.
Adopt technique scheme, the utility model is simple in structure, has abandoned labyrinths such as nitrogen chamber, grease chamber, transposition position, has reduced danger, has increased mechanical strength; Easy and simple to handle, do not need to put and put tubing string, do not need pit shaft to keep-up pressure always yet, rely on that suppress just can instantaneous realization switch well; Multiple functional, conventional testing valve can't be realized closing well, and the utility model adopts two rupture disks, has realized the purpose of a switch well, and upper tool part is exposed circulation port behind the closing well, and kill-job can circulate.
Description of drawings
Fig. 1 is the structural representation of the first half of the switch valve in the utility model down-hole;
Fig. 2 is the structural representation of the latter half of the switch valve in the utility model down-hole;
The syndeton schematic diagram of motion arm and ball valve when Fig. 3 is closing well;
Fig. 4 is the syndeton schematic diagram of motion arm and ball valve when driving a well.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Referring to Fig. 1 to Fig. 4, the switch valve in down-hole of the present utility model comprises the top connection 1 of thread seal connection successively, axle urceolus 2, ball valve urceolus 3 and lower contact 4, above-mentioned each parts middle part is interconnected and forms a passage, described top connection 1 bottom is provided with circulation port 101, the switch valve in described down-hole also comprises the axle 5 that is arranged in described passage and sets gradually, connect pawl 6, connect pipe nipple 7, ball cage 8 and ball seat pipe nipple 9 and described axle 5, connect pawl 6, connect pipe nipple 7, ball cage 8 and ball seat pipe nipple 9 middle parts are interconnected and form an operation hole 11, described axle 5 tops are connected described top connection 1 inwall bottom by cutting off 12, the outer wall that these axle 5 tops are formed with upstream space 13 and this axle 5 can seal and block described circulation port 101, described connection pawl 6 is fixed in described axle 5 bottoms successively with the described pipe nipple 7 that is connected, described ball cage 8 tops are inserted in the described connection pipe nipple 7 and both can relatively move, described ball cage 8 and described ball seat pipe nipple 9 seal affixed and are provided with ball valve 14 between the two, described ball seat pipe nipple 9 is threaded in described lower contact 4 inside, be connected with a motion arm 15 between described connection pipe nipple 7 and the described ball valve 14, described ball valve 14 can rotate under the drive of described motion arm 15 and make operation hole 11 be communicated with, be formed with a step on the described axle 5, the upper and lower of this step is formed with descending annular space 16 and the up annular space 17 of a sealing respectively, on the described axle urceolus 2, be provided with first rupture disk 18 and second rupture disk 19 down successively, the air inlet of described first rupture disk 18 is positioned at top one side of descending annular space 16, and the air inlet of described second rupture disk 19 is positioned at bottom one side of up annular space 17.
Described axle 5 bottoms are formed with an annular groove, and described connection pawl 6 tops are formed with the projection that can be installed in the described annular groove, and these connection pawl 6 lower thread are connected described connection pipe nipple 7 tops.Described connection pipe nipple 7 bottoms are formed with a rectangular recess, and described motion arm 15 tops are formed with a rectangle projection that is complementary with described rectangular recess, and the bottom of this motion arm 15 is formed with a spherical protrusions 151.Described ball valve 14 middle parts are formed with a through hole 141, the axis of this through hole 141 and described motion arm 15 vertical settings, described ball valve 14 bottoms one side is formed with a handle hole 142 that matches and be connected with described through hole 141 with described spherical protrusions 151, and the axes intersect of this handle hole 142 and described through hole 141 is in the centre of sphere.Described ball cage 8 is connected with described ball seat pipe nipple 9 thread seals.Described lower contact 4 external wall of upper portion are formed with the external screw thread that is tightly connected with described ball valve urceolus 3, and inwall is formed with the internal thread that is tightly connected with described ball seat pipe nipple 9.
In the technique scheme, the utility model all is installed in corresponding position by rubber seal and guarantees sealing.
Installation process of the present utility model is as follows:
At first, with the rubber seal position separately of packing into, axle 5 is inserted top connections 1, the suitable quantity of packing in top connection 1 bottom cut off 12, prevent that axle 5 from opening ball valve 14 accidents because of vibrations or internal pressure excitement; To connect pawl 6 inserts in the axle 5 lower annular grooves also fixing; Then axle urceolus 2 is screwed into top connection 1; To connect pipe nipple 7 is screwed in the connection pawl 6 lower end screw threads; Ball cage 8 tops are inserted into connection pipe nipple 7 lower ends, with ball valve 14(closed condition, handle hole 142 is down) put into ball cage 8, ball seat pipe nipple 9 tops are screwed into ball cage 8 bottoms, ball valve 14 is placed between ball seat pipe nipple 9 and the ball cage 8, limited the position of ball valve 14, adjusted ball cage 8 and insert the degree of depth that connects pipe nipple 7; Motion arm 15 bottoms are inserted in the handle hole 142 of ball valve 14, motion arm 15 tops are inserted in the rectangular recess that connects pipe nipple 7 bottoms; Again ball valve urceolus 3 is screwed in the screw thread of axle urceolus 2; Screw thread in lower contact 4 tops is screwed into ball seat pipe nipple 9 screw threads, and male thread is screwed in the ball valve urceolus 3 lower end screw threads; Utilize special spanner first rupture disk 18 and second rupture disk 19 to be respectively charged into the outside of axle urceolus 2 at last.
Operating principle of the present utility model is as follows:
(the rupture disk value of breaking is very accurate after second rupture disk 19 is subjected to external pressure and reaches the value of self breaking, second rupture disk, 19 to the first rupture disks, 18 setting values are low), after second rupture disk 19 breaks, pressure passes the up annular space 17 that second rupture disk, 19 air inlets act on axle 5 step bottoms, cut off and cut off 12, the interior step place that drive axle 5, connect pawl 6, connect pipe nipple 7, motion arm 15 moves upward to top connection 1 bottom, make ball valve 14 half-twists, the operation hole 11 inner latus rectums that form, formation drives a well.After external pressure increases to first rupture disk, 18 setting values, pressure passes the descending annular space 16 that first rupture disk, 18 air inlets act on axle 5 step tops, drive axle 5, connection pawl 6, connection pipe nipple 7, motion arm 15 move downward, make 90 ° of ball valve 14 reverse rotations, close ball valve 14, form closing well, expose the circulation port 101 at top connection 1 place simultaneously.
The utility model is cylindric, and the ball valve 14 that is provided with by bosom carries out switch, the external diameter 99mm of this ball valve 14, and internal diameter 45mm, operating pressure 105Mpa, tensile strength 1080KN, operating temperature-20～230 ℃ can be carried out the open and close well in the deep-seated oil gas well.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but these embodiment are included within the scope of the present utility model.
Claims (6)
1. switch valve in a down-hole, comprise the top connection (1) of thread seal connection successively, axle urceolus (2), ball valve urceolus (3) and lower contact (4), above-mentioned each parts middle part is interconnected and forms a passage, described top connection (1) bottom is provided with circulation port (101), it is characterized in that: also comprise the axle (5) that is arranged in described passage and sets gradually, connect pawl (6), connect pipe nipple (7), ball cage (8) and ball seat pipe nipple (9) and above-mentioned each parts middle part are interconnected and form an operation hole (11), described axle (5) top is connected described top connection (1) inwall bottom by cutting off (12), the outer wall that this axle (5) top is formed with upstream space (13) and this axle can seal and block described circulation port (101), described connection pawl (6) is fixed in described axle (5) bottom successively with the described pipe nipple (7) that is connected, described ball cage (8) top is inserted in the described connection pipe nipple (7) and both can relatively move, described ball cage (8) and described ball seat pipe nipple (9) seal affixed and are provided with ball valve (14) between the two, described ball seat pipe nipple (9) is threaded in described lower contact (4) inside, be connected with a motion arm (15) between described connection pipe nipple (7) and the described ball valve (14), described ball valve (14) can rotate under the drive of described motion arm (15) and make operation hole (11) be communicated with, described axle is formed with a step on (5), the upper and lower of this step is formed with descending annular space (16) and the up annular space (17) of a sealing respectively, on the described axle urceolus (2), be provided with first rupture disk (18) and second rupture disk (19) down successively, the air inlet of described first rupture disk (18) is positioned at top one side of descending annular space (16), and the air inlet of described second rupture disk (19) is positioned at bottom one side of up annular space (17).
2. according to the switch valve in the described down-hole of claim 1, it is characterized in that: described axle (5) bottom is formed with an annular groove, described connection pawl (6) top is formed with the projection that can be installed in the described annular groove, and this connection pawl (6) lower thread is connected described connection pipe nipple (7) top.
3. according to the switch valve in the described down-hole of claim 2, it is characterized in that: described connection pipe nipple (7) bottom is formed with a rectangular recess, described motion arm (15) top is formed with a rectangle projection that is complementary with described rectangular recess, and the bottom of this motion arm (15) is formed with a spherical protrusions (151).
4. according to the switch valve in the described down-hole of claim 3, it is characterized in that: described ball valve (14) middle part is formed with a through hole (141), the axis of this through hole (141) and the vertical setting of described motion arm (15), described ball valve (14) bottom one side is formed with a handle hole (142) that matches and be connected with described through hole (141) with described spherical protrusions (151), and the axes intersect of this handle hole (142) and described through hole (141) is in the centre of sphere.
5. according to the switch valve in the described down-hole of claim 4, it is characterized in that: described ball cage (8) is connected with described ball seat pipe nipple (9) thread seal.
6. according to the switch valve in the described down-hole of claim 5, it is characterized in that: described lower contact (4) external wall of upper portion is formed with the external screw thread that is tightly connected with described ball valve urceolus (3), and inwall is formed with the internal thread that is tightly connected with described ball seat pipe nipple (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119780 CN203114245U (en) | 2013-03-16 | 2013-03-16 | Primary switching valve under shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119780 CN203114245U (en) | 2013-03-16 | 2013-03-16 | Primary switching valve under shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114245U true CN203114245U (en) | 2013-08-07 |
Family
ID=48894605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320119780 Expired - Fee Related CN203114245U (en) | 2013-03-16 | 2013-03-16 | Primary switching valve under shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114245U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089529A (en) * | 2015-07-28 | 2015-11-25 | 西南石油大学 | Safe circulation valve and plug cementing well abandoning method of safe circulation valve through being matched with original well oil testing pipe column |
| 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 |
| CN106471208A (en) * | 2014-07-01 | 2017-03-01 | 国际壳牌研究有限公司 | Hydraulic locking compensation balance valve |
| CN108868691A (en) * | 2018-06-13 | 2018-11-23 | 中国石油集团渤海钻探工程有限公司 | A kind of pressure-controlled multipurpose test valve |
-
2013
- 2013-03-16 CN CN 201320119780 patent/CN203114245U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106471208A (en) * | 2014-07-01 | 2017-03-01 | 国际壳牌研究有限公司 | Hydraulic locking compensation balance valve |
| CN106471208B (en) * | 2014-07-01 | 2019-04-16 | 国际壳牌研究有限公司 | Hydraulic locking compensation balance valve |
| CN105089529A (en) * | 2015-07-28 | 2015-11-25 | 西南石油大学 | Safe circulation valve and plug cementing well abandoning method of safe circulation valve through being matched with original well oil testing pipe column |
| 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 |
| CN108868691A (en) * | 2018-06-13 | 2018-11-23 | 中国石油集团渤海钻探工程有限公司 | A kind of pressure-controlled multipurpose test 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20190316 |