CN204371247U - A kind of sheath gas retracting device - Google Patents
A kind of sheath gas retracting device Download PDFInfo
- Publication number
- CN204371247U CN204371247U CN201420722086.4U CN201420722086U CN204371247U CN 204371247 U CN204371247 U CN 204371247U CN 201420722086 U CN201420722086 U CN 201420722086U CN 204371247 U CN204371247 U CN 204371247U
- Authority
- CN
- China
- Prior art keywords
- holding piece
- base
- seal
- passage
- perforation
- 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.)
- Expired - Fee Related
Links
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 230000004323 axial length Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 33
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of sheath gas retracting device, comprise: the seal of two communicating pipes, tube body, base, holding piece, resilientiy stretchable, tube body inside is provided with the passage run through, base and holding piece are separately positioned on the two ends of passage, perforation is provided with in the middle part of base with in the middle part of holding piece, and holding piece is flexibly connected with vias inner walls, seal is arranged between base and holding piece; Two communicating pipes was tightly connected with the two ends of tube body outer wall respectively.In sleeve pipe, gas push makes seal shrink, base perforation is opened, and the recovery tube that gas enters oil pipe reclaims together, and gas discharging is complete, seal by the perforation shutoff of base, prevents the liquid in the recovery tube of oil pipe and gas from flowing in sleeve pipe under elastic force effect own; The utility model can reclaim the excessive gas in sleeve pipe, avoids causing the wasting of resources and environment pollution; Holding piece, along passage axially-movable, can regulate the opening pressure between seal and the perforation of base.
Description
Technical field
The utility model relates to field produces casing gas process field, particularly a kind of sheath gas retracting device.
Background technology
Generally be provided with sleeve pipe in oil well, be provided with oil pipe in sleeve pipe, oil pipe top is connected with recovery tube, and the gas-liquid mixture taken out in next well from oil pipe directly flows to three phases separator from recovery tube, utilizes respectively after being separated.
At present, the portion gas produced due to the oily reservoir in oil well directly can enter sleeve pipe, mainly natural gas, for preventing these gas loss, generally sleeve gate is provided with at cannula tip, by sleeve gate by bobbin seal, along with the continuous increase of gas in sleeve pipe, the air pressure in sleeve pipe can be affected, thus affect oily well yield, therefore, what need not timing opens sleeve gate, is directly disposed in air by unnecessary gas.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
Excessive gas in sleeve pipe is directly disposed in air, cannot recycle, cause the wasting of resources, and, can environment pollution be caused.
Utility model content
Be disposed to air to solve excessive gas in prior art sleeve pipe, cause the problem of the wasting of resources and environment pollution, the utility model embodiment provides a kind of sheath gas retracting device.Described technical scheme is as follows:
A kind of sheath gas retracting device, described sheath gas retracting device comprises: two communicating pipes, tube body, base, holding piece, the seal of resilientiy stretchable, described tube body inside is provided with the passage run through, described base and described holding piece are separately positioned on the two ends of described passage, perforation is provided with in the middle part of described base with in the middle part of described holding piece, and described holding piece is flexibly connected with described vias inner walls, described holding piece can along the axially-movable of described passage, described seal is arranged between described base and described holding piece, and described seal one end is fixedly connected with described holding piece, the perforation of the other end and described base is affixed and bores a hole described in shutoff, when described seal pressurized shrinks, described seal and described perforation depart from,
Two described communicating pipes are tightly connected with the two ends of described tube body outer wall respectively, near being communicated with the sleeve valve on sleeve pipe a described communicating pipe of described base, near being communicated with the recovery tube of oil pipe a described communicating pipe of described holding piece.
Particularly, as preferably, described seal comprises: spring and valve ball, and described base is valve seat, and described spring one end is fixedly connected with described holding piece, and the other end is connected with described valve ball, and boring a hole in the middle part of described valve ball and described valve seat is affixed.
As preferably, described holding piece is adjusting nut, and described adjusting nut is flexibly connected with described vias inner walls.
As preferably, described passage two ends are provided with internal thread, and described base and described holding piece are provided with external screw thread, and described base, described holding piece are all threaded with described passage.
As preferably, the internal thread at described passage two ends is 20-24mm along the axial length.
As preferably, the cross-sectional diameter 36-38mm of described passage, described penetration hole diameter is 22-24mm.
As preferably, the two ends of described tube body outer wall are all set to the flange coordinated with clip.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model is connected between sleeve valve and the recovery tube of oil pipe, when the excessive gas in sleeve pipe needs discharge too much, open sleeve valve, the promotion of gas makes seal of the present utility model shrink, the perforation of base is opened, the recovery tube that gas can enter oil pipe through tube body reclaims together, gas discharging is complete, close sleeve valve, seal recovers original length under elastic force effect own, and by the perforation shutoff of base, so, prevent the liquid in the recovery tube of oil pipe and gas from flowing in sleeve pipe; The utility model structure is simple, and easy to operate, cost is lower, can recycle the excessive gas in sleeve pipe, and avoid causing the wasting of resources and environment pollution, practical application is with the obvious advantage; And holding piece, along the axially-movable of passage, can regulate the opening pressure between seal and the perforation of base, flexible to operation, practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the sheath gas retracting device structural representation that the utility model embodiment provides;
Wherein: 1 tube body, 11 flanges,
2 bases, 21 perforation,
3 holding pieces,
4 seals, 41 springs, 42 valve balls.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment one
As shown in Figure 1, the utility model embodiment provides a kind of sheath gas retracting device, described sheath gas retracting device comprises: two communicating pipes, tube body 1, base 2, holding piece 3, the seal 4 of resilientiy stretchable, described tube body 1 inside is provided with the passage run through, described base 2 and described holding piece 3 are separately positioned on the two ends of described passage, perforation 21 is provided with in the middle part of described base 2 with in the middle part of described holding piece 3, and described holding piece 3 is flexibly connected with described vias inner walls, described holding piece 3 can along the axially-movable of described passage, described seal 4 is arranged between described base 2 and described holding piece 3, and described seal 4 one end is fixedly connected with described holding piece 3, the perforation 21 of the other end and described base 2 is affixed and bores a hole 21 described in shutoff, when described seal 4 pressurized shrinks, described seal 4 departs from described perforation 21,
Two described communicating pipes are tightly connected with the two ends of described tube body 1 outer wall respectively, near being communicated with the sleeve valve on sleeve pipe a described communicating pipe of described base 2, near being communicated with the recovery tube of oil pipe a described communicating pipe of described holding piece 3.
Wherein, be generally provided with sleeve pipe in oil well, be provided with oil pipe in sleeve pipe, oil pipe top is connected with recovery tube, and the gas-liquid mixture taken out in next well from oil pipe directly flows to three phases separator from recovery tube, utilizes respectively after being separated.
The utility model is connected between sleeve valve and the recovery tube of oil pipe, during normal condition, seal 4 and the perforation 21 of base 2 are affixed and shutoff bores a hole 21, when the excessive gas in sleeve pipe needs discharge too much, open sleeve valve, in sleeve pipe, gas passes to base 2 from a communicating pipe, the promotion of gas makes seal 4 shrink, so, the perforation 21 of base 2 is opened, and gas can pass tube body 1 and reclaim together from the recovery tube that another root communicating pipe enters oil pipe;
When gas discharging is complete, close sleeve valve, seal 4 recovers original length under elastic force effect own, and by perforation 21 shutoff again of base 2, so, can prevent the liquid in the recovery tube of oil pipe and gas from flowing in sleeve pipe; The utility model structure is simple, and easy to operate, cost is lower, can recycle the excessive gas in sleeve pipe, and avoid causing the wasting of resources and environment pollution, practical application is with the obvious advantage;
And, holding piece 3 is along the axially-movable of passage, seal 4 pressure in various degree can be given in seal 4 one end, make contact between seal 4 other end and the perforation 21 of base 2 different, namely, make the opening pressure between seal 4 and the perforation 21 of base 2 different, setting like this, can by arrange flexibly holding piece 3 channel axis to diverse location, thus flexible modulation is carried out to the opening pressure between seal 4 and the perforation 21 of base 2, to ensure the suitable pressure of gas in sleeve pipe, ensure oily well yield; The utility model is flexible to operation, practical.
Embodiment two
As shown in Figure 1, a kind of sheath gas retracting device that the utility model embodiment provides, described sheath gas retracting device comprises: two communicating pipes, tube body 1, base 2, holding piece 3, the seal 4 of resilientiy stretchable, described tube body 1 inside is provided with the passage run through, described base 2 and described holding piece 3 are separately positioned on the two ends of described passage, perforation 21 is provided with in the middle part of described base 2 with in the middle part of described holding piece 3, and described holding piece 3 is flexibly connected with described vias inner walls, described holding piece 3 can along the axially-movable of described passage, described seal 4 is arranged between described base 2 and described holding piece 3, and described seal 4 one end is fixedly connected with described holding piece 3, the perforation 21 of the other end and described base 2 is affixed and bores a hole 21 described in shutoff, when described seal 4 pressurized shrinks, described seal 4 departs from described perforation 21,
Two described communicating pipes are tightly connected with the two ends of described tube body 1 outer wall respectively, near being communicated with the sleeve valve on sleeve pipe a described communicating pipe of described base 2, near being communicated with the recovery tube of oil pipe a described communicating pipe of described holding piece 3.
As shown in Figure 1, particularly, as preferably, described seal 4 comprises: spring 41 and valve ball 42, and described base 2 is valve seat, and described spring 41 one end is fixedly connected with described holding piece 3, the other end is connected with described valve ball 42, bores a hole 21 to be affixed in the middle part of described valve ball 42 and described valve seat.
Wherein, seal 4 implementation has multiple, sealing-plug that flexible rubber seal plug, expansion link can be adopted to connect etc., the utility model embodiment adopts the spring 41 and valve ball 42 that connect, normal condition, the perforation 21 of valve ball 42 and valve seat is affixed and shutoff perforation 21, when valve ball 42 be subject to gas pressure be greater than spring 41 elastic force time, spring 41 is forced to drive valve ball 42 to shrink, namely the perforation 21 of valve seat opens, gas by, otherwise, spring 41 drives valve ball 42 to return to raw footage, again seals the perforation 21 of valve seat.
As shown in Figure 1, as preferably, described holding piece 3 is adjusting nut, and described adjusting nut is flexibly connected with described vias inner walls.The implementation of holding piece 3 has multiple, as being provided with the fixed block, sealing-plug, adjusting nut etc. of perforation 21, itself and channel-active connected mode also have multiple, as being threaded, or in vias inner walls, draw-in groove is set, holding piece 3 carries out sliding and spacing along draw-in groove, also can realize function of the present utility model.
As shown in Figure 1, as preferably, described passage two ends are provided with internal thread, and described base 2 and described holding piece 3 are provided with external screw thread, and described base 2, described holding piece 3 are all threaded with described passage.
Wherein, the outer wall of adjusting nut and valve seat all arranges external screw thread, and inside, passage two ends is provided with internal thread, and outer internal thread can coordinate, adjusting nut can along passage axially-movable, thus be realized carrying out flexible modulation to the opening pressure between seal 4 and the perforation 21 of base 2; Adjusting nut, valve seat are threaded with passage, be also convenient to adjusting nut, valve seat is dismantled flexibly, and when tube body 1 inside needs cleaning, directly adjusting nut, valve seat can be screwed out in passage and unload, can clean, it is very convenient to operate.
As preferably, the internal thread at described passage two ends is 20-24mm along the axial length.
As preferably, the cross-sectional diameter 36-38mm of described passage, described perforation 21 diameter is 22-24mm.
As shown in Figure 1, as preferably, the two ends of described tube body 1 outer wall are all set to the flange 11 coordinated with clip.
Wherein, the two ends of tube body 1 outer wall are all set to the flange 11 coordinated with clip, be convenient to for two communicating pipes and tube body 1 is tightly connected, sealing effectiveness is better, attended operation is also very convenient, and the general connecting tube connecting sealing function that rises mainly contains three part compositions: sealing rubber ring, clip and lock bolt.The rubber seal being positioned at internal layer is placed in tube body 1 outer wall, and matches with the groove inside the flange 11 of rolling in advance, then buckles clip in the outside of rubber seal, then by two bolton.Because its rubber seal and clip adopt distinctive sealable structure design, the utility model is made to have good sealing, and increasing with tube body 1 fluid pressure, the corresponding enhancing of its sealing.
Tube body 1 selects high-quality carbon element round steel overall processing to make.Valve seat and adjusting nut select brass to be processed into, valve seat is screwed in the lower end of passage, put into valve ball 42, spring 41 and adjusting nut are connected and fixed the upper end of rear screw-in passage, and making spring 41 be pressed on valve ball 42, the power making spring 41 act on valve ball 42 by the screw-in depth of adjusting nut changes thus realizes regulating the opening pressure between valve ball 42 and valve seat.The two ends of tube body 1 are processed as the technique of thimble connector, with clip with the use of, for convenience detach and cleaning.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a sheath gas retracting device, it is characterized in that, described sheath gas retracting device comprises: two communicating pipes, tube body, base, holding piece, the seal of resilientiy stretchable, described tube body inside is provided with the passage run through, described base and described holding piece are separately positioned on the two ends of described passage, perforation is provided with in the middle part of described base with in the middle part of described holding piece, and described holding piece is flexibly connected with described vias inner walls, described holding piece can along the axially-movable of described passage, described seal is arranged between described base and described holding piece, and described seal one end is fixedly connected with described holding piece, the perforation of the other end and described base is affixed and bores a hole described in shutoff, when described seal pressurized shrinks, described seal and described perforation depart from,
Two described communicating pipes are tightly connected with the two ends of described tube body outer wall respectively, near being communicated with the sleeve valve on sleeve pipe a described communicating pipe of described base, near being communicated with the recovery tube of oil pipe a described communicating pipe of described holding piece.
2. sheath gas retracting device according to claim 1, it is characterized in that, described seal comprises: spring and valve ball, described base is valve seat, described spring one end is fixedly connected with described holding piece, the other end is connected with described valve ball, and boring a hole in the middle part of described valve ball and described valve seat is affixed.
3. sheath gas retracting device according to claim 1, is characterized in that, described holding piece is adjusting nut, and described adjusting nut is flexibly connected with described vias inner walls.
4. the sheath gas retracting device according to any one of claim 1-3, it is characterized in that, described passage two ends are provided with internal thread, and described base and described holding piece are provided with external screw thread, and described base, described holding piece are all threaded with described passage.
5. sheath gas retracting device according to claim 4, is characterized in that, the internal thread at described passage two ends is 20-24mm along the axial length.
6. sheath gas retracting device according to claim 5, is characterized in that, the cross-sectional diameter 36-38mm of described passage, and described penetration hole diameter is 22-24mm.
7. sheath gas retracting device according to claim 1, is characterized in that, the two ends of described tube body outer wall are all set to the flange coordinated with clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722086.4U CN204371247U (en) | 2014-11-26 | 2014-11-26 | A kind of sheath gas retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722086.4U CN204371247U (en) | 2014-11-26 | 2014-11-26 | A kind of sheath gas retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371247U true CN204371247U (en) | 2015-06-03 |
Family
ID=53327476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420722086.4U Expired - Fee Related CN204371247U (en) | 2014-11-26 | 2014-11-26 | A kind of sheath gas retracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371247U (en) |
-
2014
- 2014-11-26 CN CN201420722086.4U patent/CN204371247U/en not_active Expired - Fee Related
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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: 20150603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |