CN2479197Y - Steam-filling and oil drain duel-purpose valve - Google Patents
Steam-filling and oil drain duel-purpose valve Download PDFInfo
- Publication number
- CN2479197Y CN2479197Y CN 01220377 CN01220377U CN2479197Y CN 2479197 Y CN2479197 Y CN 2479197Y CN 01220377 CN01220377 CN 01220377 CN 01220377 U CN01220377 U CN 01220377U CN 2479197 Y CN2479197 Y CN 2479197Y
- Authority
- CN
- China
- Prior art keywords
- drive sleeve
- short circuit
- draining
- purpose valve
- slide rail
- 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 - Lifetime
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Abstract
The utility model relates to a dual-purpose valve of gas injection and oil draining used for viscous crude oil production. The utility model is composed of a compression ring 1, a directional drive sleeve 2, a locking nut 3, springs 4 and 7, a short-circuit of sliding rail 5, a rotating drive sleeve 6, a short-circuit 8, a sealed plunger 9, a joint ring 10 and a sealed sleeve 11 of gas injection and oil draining. The dual-purpose valve has reasonable design and novel structure. The steam injection and oil pumping production in one column jacket can be achieved by using the utility model, pump sticking can be avoided or reduced, the operation cost is saved and the normal production is guaranteed. The device provides the function of draining of column jacket, which can save a set of drip, thereby reducing the oil-well production costs and being adapted for popularization and utilization.
Description
The utility model relates to a kind of downhole tool that is used for oil exploitation, particularly the dual-purpose valve that uses for the steam injection of a kind of viscous crude pumpingh well and draining.
Conventional thick oil filling vapour producing well is lowered to the steam injection tubing string earlier usually in well, it is tripped out after having annotated steam, is lowered to the oil well pump oil recovery again.Recover the oil owing to need change tubing string again, both increased the underground work workload, delayed the oil well production time again, can not make full use of the heat energy that injects the stratum.Take out production for heavy oil wells being annotated in time to change behind the vapour, on-the-spot in recent years development has been adopted to annotate and has been adopted the tubing string pump one time, this kind oil well pump can and recover the oil steam injection and finish with a casing string, has annotated can change immediately behind the vapour and has taken out production, has solved the problem of original steam process production technology, equipment existence.But, present notes are adopted a tubing string pump and still had the following disadvantages: it annotates the middle part that the vapour passage is positioned at oil well pump, for guaranteeing in the oil pumping process that this passage can good seal, need oil pump plunger piston is made super long type, long because of it, thereby in process, be difficult to guarantee good concentricity and circularity, sand production added, easily the holddown phenomenon taking place and pump detection and workover is increased, thereby influences the oil well ordinary production.
The purpose of this utility model is to provide a kind of can realize annotating vapour and tubing string of oil pumping production, can solve again and annotate the notes vapour draining dual-purpose valve that the vapour commentaries on classics is taken out back holddown problem, guaranteed the oil well ordinary production.
The utility model is to realize like this.This kind annotated vapour draining dual-purpose valve and is made up of notes vapour draining sealing shroud, joint ring, packed-piston, short circuit, spring, rotation drive sleeve, slide rail short circuit, locking nut, directed drive sleeve, pressure ring, its structure, assembled relation are as follows: the slide rail short circuit connects short circuit with under the screw thread, the short circuit lower end links to each other with notes vapour draining sealing shroud with screw thread, and the three is connected to form valve body; Annotate in the vapour draining sealing shroud packed-piston that joint ring is housed on it is housed, piston top cavity is interior with the rotation drive sleeve that has been threaded, directed turning set is equipped with in rotation drive sleeve top, match with special tooth profile between two drive sleeve, be respectively installed with spring in the gap between the two and short circuit, the slide rail short circuit, directed drive sleeve top male threaded section is installed with locking nut, with the spring top clamping of below; Place the rod string upper end of central authorities of valve chamber to be provided with pressure ring.During use, vapour heat-proof string lower end is being annotated in this dual-purpose valve tipping, its below tipping oil well pump is down to the oil well production top of oil horizon.During steam injection, steam comes downwards to this valve along instlated tubular, and is descending along valve chamber, and 4 notes steam vents that are uniformly distributed along the circumference by valve body lower portion draining sealing shroud bottom flow out, and inject the stratum.Having annotated steam changes when taking out production, transfers rod string, and under the rod string action of gravity, the rotation drive sleeve of directed drive sleeve of the descending promotion of pressure ring and below thereof is descending along the slide rail below the slide rail short circuit inwall step, compresses two place's springs simultaneously.When the rotational slide cover comes downwards to a certain position, break away from slide rail, with directed drive sleeve effect that the rotation drive sleeve dock with the special tooth profile structure under, the rotation drive sleeve is rotated 45 °, is blocked by the slide rail lower end at the bottom of its tooth.At this moment, last pressure-raising ring sheds load, and the rotation drive sleeve can not be return slide rail.In the descending process of rotation drive sleeve, it is descending to promote packed-piston, and 4 notes steam vents annotating on the vapour draining sealing shroud are shut, and forms the sealing state from oil well pump to pumpingh well well head whole process, can change this moment to take out to produce and recover the oil.When oil well needs operation next time, transfer rod string equally, it is descending that directed drive sleeve promotes the rotation drive sleeve under the effect of roofbolt gravity, under the effect that its profile of tooth cooperates, make the rotation drive sleeve rotate 45 ° once more, at this moment, the slide slot of rotation drive sleeve both sides is relative with the slideway of slide rail short circuit.On carry rod string, under spring action, directed drive sleeve is up, rotation is advanced into the track of slide rail short circuit on the drive sleeve, and it is up to drive packed-piston, annotates vapour draining hole and exposes draining in the time of can realizing steam injection once more or upper lifting pipe post.
The utility model is reasonable in design, and novel structure utilizes it can realize steam injection and oil pumping production one-trip string, can avoid or reduce the holddown phenomenon, saves operating cost, guarantees the oil well pump ordinary production.This device also possesses the pipe column oil drainage function, can save a cover bleeder, helps reducing the oil well production cost, is suitable for and applies.
Fig. 1 is a structural representation of the present utility model.Among the figure, the arrow indication is that steam injects flow direction.
Fig. 2 is directed drive sleeve and rotation drive sleeve structure and matching relationship schematic diagram.
Below in conjunction with accompanying drawing enforcement of the present utility model is described further.
As shown in Figure 1, the utility model is made up of pressure ring 1, directed drive sleeve 2, locking nut 3, spring 4,7, slide rail short circuit 5, rotation drive sleeve 6, short circuit 8, packed-piston 9, joint ring 10 and notes vapour draining sealing shroud 11.Wherein, directed drive sleeve 2 is the up-small and down-big sleeve of a diameter, and its periphery top is provided with pin thread, and 2 relative oblique sawtooth are made in the inner headed face lower end.Rotation drive sleeve 6 be one with its above the sleeve that directed drive sleeve is 2 relative, diameter is up big and down small, its periphery both sides are provided with slide slot relatively, 4 oblique sawtooth that match with directed drive sleeve 2 lower end inner headed faces are made in the upper end, and the lower end inner headed face is provided with the negative thread that matches with packed-piston 9 upper end pin threads.Slide rail short circuit 5 is the cylinder of band pin thread lower end, upper end band negative thread, its inner headed face is provided with the many places step that cooperates with locking nut 3, spring 4, directed drive sleeve 2, rotation drive sleeve 6, is provided with a pair of drive sleeve 2,6 that supplies relatively in first following both sides of big step of inner headed face along its slide rail that slides up and down.Annotating vapour draining sealing shroud 11 is the cylinder of a upper end band negative thread, lower end band pin thread, the bottom is uniformly distributed with 4 oblique notes vapour draining holes along the circumference, the sealing shroud inner surface need be made high-temperature carburizing and handle, and processing fineness reaches more than 1.6, and fit clearance is an oil well pump one-level fit clearance.Other technical data and processing request are as follows: the elastic force of spring 4 should be 3-5 times of directed drive sleeve 2 weight, the elastic force of spring 7 should be 2-3 times that annotates frictional force and rotation drive sleeve 6 weight between vapour draining sealing shroud 11 and the packed-piston 9, but the frictional force sum between the elastic force of two springs and sealing shroud and the packed-piston should be less than the weight of rod string.Joint ring 10 adopts high-temperature resistant seal rings, and packed-piston 9 external surfaces need to handle through high-temperature carburizing, and fineness is more than 1.6, and is oil well pump one-level fit clearance.
Claims (5)
1, a kind of notes vapour draining dual-purpose valve, form by pressure ring (1), directed drive sleeve (2), locking nut (3), spring (4), (7), slide rail short circuit (5), rotation drive sleeve (6), short circuit (8), packed-piston (9), joint ring (10) and notes vapour draining sealing shrouds (11), it is characterized in that, slide rail short circuit (5) is to connect short circuit (8) under the screw thread, short circuit (8) lower end links to each other with notes vapour draining sealing shrouds (11) with screw thread, and the three is connected to form valve body; Annotate in the vapour draining sealing shroud (11) packed-piston (9) that joint ring (10) are housed on it is housed, piston (9) top cavity is interior with the rotational slide cover (6) that has been threaded, directed drive sleeve (2) is equipped with in rotational slide cover (6) top, match with special tooth profile between two drive sleeve, be respectively installed with spring (4), (7) in the gap between the two and short circuit (8), the slide rail short circuit (5), directed drive sleeve (2) top male threaded section is installed with locking nut (3), and the spring (4) below it is held out against; Place the rod string upper end of central authorities of valve chamber to be provided with pressure ring (1).
2, notes vapour draining dual-purpose valve according to claim 1, it is characterized in that, slide rail short circuit (5) is the cylinder of a upper end band pin thread, lower end band negative thread, and its inner headed face is provided with the many places step, and first following both sides of big step of inner headed face are provided with a pair of slide rail relatively.
3, notes vapour draining dual-purpose valve according to claim 1, it is characterized in that annotating vapour draining sealing shroud (11) is a upper end band negative thread, the cylinder of lower end band pin thread, its inner surface is made high-temperature carburizing and is handled, and the bottom is uniformly distributed with 4 oblique notes vapour draining holes along the circumference.
4, notes vapour draining dual-purpose valve according to claim 1 is characterized in that, directed drive sleeve (2) is the up-small and down-big sleeve of a diameter, and its periphery top is provided with pin thread, and 2 relative oblique sawtooth are made in the inner headed face lower end.
5, notes vapour draining dual-purpose valve according to claim 1 is characterized in that, rotation drive sleeve (6) is the up big and down small sleeve of a diameter, and its periphery both sides are provided with slide slot relatively, and 4 oblique sawtooth are made in the upper end, and the lower end inner headed face is provided with negative thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01220377 CN2479197Y (en) | 2001-04-29 | 2001-04-29 | Steam-filling and oil drain duel-purpose valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01220377 CN2479197Y (en) | 2001-04-29 | 2001-04-29 | Steam-filling and oil drain duel-purpose valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2479197Y true CN2479197Y (en) | 2002-02-27 |
Family
ID=33637993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01220377 Expired - Lifetime CN2479197Y (en) | 2001-04-29 | 2001-04-29 | Steam-filling and oil drain duel-purpose valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2479197Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100228A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气股份有限公司 | Synchronous separate extraction reversing valve |
| CN105003649A (en) * | 2015-07-23 | 2015-10-28 | 成都广迈科技有限公司 | Connecting-device seal cartridge |
| CN106761633A (en) * | 2017-01-16 | 2017-05-31 | 丹东纳泰石油机械有限公司 | A kind of oil well recovers the oil and lifts high temperature gas injection valve |
-
2001
- 2001-04-29 CN CN 01220377 patent/CN2479197Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100228A (en) * | 2013-04-03 | 2014-10-15 | 中国石油天然气股份有限公司 | Synchronous separate extraction reversing valve |
| CN104100228B (en) * | 2013-04-03 | 2016-10-19 | 中国石油天然气股份有限公司 | Reversal valve is adopted in a kind of synchronization point |
| CN105003649A (en) * | 2015-07-23 | 2015-10-28 | 成都广迈科技有限公司 | Connecting-device seal cartridge |
| CN106761633A (en) * | 2017-01-16 | 2017-05-31 | 丹东纳泰石油机械有限公司 | A kind of oil well recovers the oil and lifts high temperature gas injection valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110429 Granted publication date: 20020227 |