CN2381777Y - Hydraulic reciprocal underground controlled valve - Google Patents
Hydraulic reciprocal underground controlled valve Download PDFInfo
- Publication number
- CN2381777Y CN2381777Y CN 99207589 CN99207589U CN2381777Y CN 2381777 Y CN2381777 Y CN 2381777Y CN 99207589 CN99207589 CN 99207589 CN 99207589 U CN99207589 U CN 99207589U CN 2381777 Y CN2381777 Y CN 2381777Y
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- China
- Prior art keywords
- central tube
- track
- ring
- ball
- reciprocating type
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- 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
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims description 21
- 241000282472 Canis lupus familiaris Species 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 10
- 238000000605 extraction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004454 trace mineral analysis Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a hydraulic reciprocating type underground control switch which is applied in oil-gas fields. The purpose of the hydraulic reciprocating type underground control switch is to simplify the procedures of layering work. After completing recognition to one layer segment thereof, pressure can be utilized to control and realize mutual adjustment between the recognition layer and a sealing and plugging layer under condition that a pipe column is not moved so as to overcome defects existing in the prior art. The hydraulic reciprocating type underground control switch has the advantages that the pipe column is implemented for a plurality of times according to specific circumstances without lifting the pipe column out when people go down a well once; the underground control switch is adjusted and controlled at a well mouth; the operation of a liquid cylinder, an elastic flow valve, and an orbit ring is flexible and reliable; the hydraulic reciprocating type underground control switch can be used by matching and combining with an existing packer, etc.
Description
The utility model relates to a kind of hydraulic reciprocating type down-hole gauge tap that oil gas field is used.
For the oil field of waterflooding extraction, its common trait is that the moisture content of oil well produced liquid can progressively rise along with the intensification of its recovery percent, and high-water-cut oil-producing well and high watercut layer increase year by year.In order to ensure the oil field stable yields of energy long period, just must carry out shutoff to the high water-bearing interval of oil well.But,, will cause the water blockoff failure if inaccurate to the judgement of high aquifer.This just has to repeatedly rise lower tubular column for the machine plugging operation, waste activity duration and funds; Drop into the grease hole of exploitation and need the accurately oil well of understanding fluid producing layer character, liquid-producing capacity for being about to, full appreciation (comprising parameters such as the viscosity of crude of being familiar with each production fluid individual layer, formation pressure, moisture content, oil-gas ratio) need be carried out to each fluid producing layer in the oil field, for the operation that divides two-layer understanding, need be lowered to completion tubular column twice, this can improve the complexity of oil well operation equally.
The purpose of this utility model is to provide a kind of hydraulic reciprocating type down-hole gauge tap for mutually adjusting understanding layer and plugged zone under the situation that realizes fixed tubular column.
Above-mentioned purpose of the present utility model is achieved in that by the well head oil pressure provides down thrust for hydraulic cylinder, and then provide down thrust for track nail, provide thrust by big spring for lining, and then provide thrust for track nail, effect in this two power, the track nail moves to short track (long track) top dead-centre by long track (short track) top dead-centre of central tube, if the track nail is locked in the top dead-centre of center pipe range track, then fluid cylinder and piston are in sealing state, and the utility model is in close stance; If the track nail is locked in the top dead-centre of the short track of central tube, then fluid cylinder and piston break away from sealing, and liquid enters central tube by bullet stream valve ecto-entad, and the utility model is in open position.
Fig. 1 is the utility model structural representation (close stance)
Fig. 2 is the utility model structural representation (open position)
Fig. 3 is a center tube structure schematic diagram of the present utility model
Fig. 4 is the expansion schematic diagram of track
Fig. 5 is the A-A sectional drawing of Fig. 3
Fig. 6 is the B-B sectional view of Fig. 3
Fig. 7 is the C-C sectional drawing of Fig. 3
Fig. 8 is the change front view
Fig. 9 is the D-D sectional view of Fig. 8
Figure 10 is the orbit ring front view
Figure 11 is two-layer mechanical water searching and blocking one-trip string schematic diagram
Describe the utility model in detail below in conjunction with accompanying drawing:
As accompanying drawing 1, accompanying drawing 2, be set with joint ring 16, joint ring 17 on the outer wall of central tube 02; And ball-and-seat axially is set in the outer wall upper edge, and constitute by valve seat 13, steel ball 14, little spring 15 and sealing ring 12, connect in valve seat orifice and the central tube 02; Be provided with piston 09 on valve seat 13 tops, the inside and outside wall of piston 09 is equipped with sealing ring 08, joint ring 07, between valve seat 13 and piston 09 gasket ring 10 is arranged; Piston 09 top order suit lock dog 06, change 05 and top connection 01.The outer suit fluid cylinder 11 of above-mentioned parts.The middle part of central tube 02 is provided with the orbit ring 21 of belt track pin 20,21 times suit linings 19 of orbit ring, and be connected with fluid cylinder 11 by tightening pin 18.Order suit big spring 22, adjustment ring 23, dead ring 24 and lower contact 25 below the lining 19.
As accompanying drawing 3, the upper end of central tube 02 is provided with four dogs 30 (it becomes cross to be symmetrically distributed as shown in Figure 7); The last neck of central tube 02 is provided with lock dog groove 31; Central tube 02 is uniform vertically six valve seat orifice 32 (as shown in Figure 6) on its big external diameter, and valve seat orifice 32 middle parts are communicated with the perforation 33 that traverses central tube 02; The outer wall of central tube 02 is provided with seal groove 34,35; The outer wall of the middle and lower part of central tube 02 is provided with by each two interval of long and short rail groove be formed by connecting airtight rail groove 36 (as shown in Figure 5) and draw-in groove 37.
As accompanying drawing 4, be the expanded view of the airtight track on the central tube 02, A-is that long track top dead-centre, B-are that long track bottom dead centre, C-are that short track top dead-centre, D-are short track bottom dead centre, connects and composes 360 at interval by long and short each two rail groove and spends the track that seals.
As accompanying drawing 8, accompanying drawing 9, change 05 is an annulus, is provided with four uniform lock dog holes 40 at Qi Bishang, and is provided with tightening pin hole 42.
As accompanying drawing 10, orbit ring 21 walls are provided with two relative track pin holes 43.
As accompanying drawing 11, be lowered to oil pipe A in the sleeve pipe B, overhead system switch C, dual-grip packer D, following gauge tap E and plug F are linked in sequence in the lower end of oil pipe A; Last gauge tap C is arranged in oil reservoir G, and dual-grip packer D and following gauge tap are between last oil reservoir G and following oil reservoir H.
Embodiment: on central tube 02, install six ball-and-seats, in the above piston set 09 and gasket ring 10; Suit top connection 01 and change 05 then, the lock dog 06 of packing into after the lock dog hole of lock dog hole 40 and top connection 01 in the change 05 is aligned, rotation is set with joint ring 16, joint ring 17 on the outer wall of central tube 02 again; And ball-and-seat axially is set in the outer wall upper edge, and constitute by valve seat 13, steel ball 14, little spring 15 and sealing ring 12, connect in valve seat orifice and the central tube 02; Be provided with piston 09 on valve seat 13 tops, the inside and outside wall of piston 09 is equipped with sealing ring 08, joint ring 07, between valve seat 13 and piston 09 gasket ring 10 is arranged; Be set with joint ring 16, joint ring 17 on the outer wall of piston 09 top order suit lock dog 06, change 05 and upper center tube 02; And ball-and-seat axially is set in the outer wall upper edge, and constitute by valve seat 13, steel ball 14, little spring 15 and sealing ring 12, connect in valve seat orifice and the central tube 02; Be provided with piston 09 on valve seat 13 tops, the inside and outside wall of piston 09 is equipped with sealing ring 08, joint ring 07, between valve seat 13 and piston 09 gasket ring 10 is arranged; Piston 09 top order suit lock dog 06, change 05 and top connection 01.Suit fluid cylinder 11 outside above-mentioned parts.Be provided with the orbit ring 21 of belt track pin 20 at the middle part of central tube 02, orbit ring 21 outer suit linings 19, and be connected with fluid cylinder 11 by tightening pin 18.Order suit big spring 22, adjustment ring 23, dead ring 24 and lower contact 25 below the lining 19.
The utility model such as Figure 11 are formed the tubing string G.I.H, when ground control pressure reaches certain value (force value is controlled by spring force), fluid cylinder 11 overcomes spring force promotion orbital motion assembly (lining 19, track nail 20, orbit ring 21) and arrives its bottom dead centre along the long orbital motion of central tube 02; Release, fluid cylinder 11 and orbital motion assembly are advanced into short track under big spring 22 effects, until moving to short track top dead-centre.Fluid cylinder 11 is crossed the sealing surface of piston 09 and is opened in this process, make the oil reservoir highly pressurised liquid bullet stream valve (comprising sealing ring 12, valve seat 13 steel balls 14, little spring 15) of can flowing through enter central tube 02 extraction oil well, thereby liquid measure and fluidity to this oil reservoir are followed the tracks of understanding, until drawing reliable conclusion; Pressure for the second time raises from ground, fluid cylinder 11 overcome spring force promote the orbital motion assembly along the short orbital motion of central tube 02 to its bottom dead centre, release, fluid cylinder and motion assembly will enter long track under big spring 22 effects up, until moving to long track top dead-centre.Fluid cylinder 11 enters the seal section of piston 09 in this process, cuts off the passage that oil well liquid flows into, and gauge tap cuts out.
Whenever finish one to close-process of Open-closure, track nail 20 of the present utility model and orbit ring 21 are along the track Rotate 180 degree of central tube 02; When it rotated a circle, the utility model can be finished two cycling switch processes.Repeat to boost-the buck-boost process, the fluid cylinder reciprocating, the utility model alternately is in switch bit.
The utility model cooperates relevant downhole tool (as packer etc.), two-stage gauge tap G.I.H preposition is carried out the operation of two-layer mechanical water searching and blocking one-trip string, as Figure 11.If suspecting the following oil reservoir of this oil well is high aquifer, gauge tap is in close stance under then making before going into the well, and makes gauge tap be in open position.When oil well dropped into ordinary production, the bullet stream valve that the liquid of last oil reservoir is opened gauge tap flow to the oil pipe extraction, and the liquid of following oil reservoir then is isolated in outside the oil pipe by packer, reaches the purpose in the high aquifer of shutoff.After treating that oil well production is extremely stable, accurately trace analysis is from the liquid measure and the fluidity of last oil reservoir extraction liquid; If the liquid water content of extraction obviously descends, prove that then initial judgement is correct, following gauge tap in the closed position and packer, plug constitute oil jacket ring seal chamber together, sealed time oil reservoir (high aquifer) well, the last gauge tap that is in open position then provides passage for the liquid of last oil reservoir enters oil pipe, makes its smooth production.If it is not obvious that the liquid water content of extraction changes, prove that then initial decision is wrong, the following oil reservoir of shutoff is not high aquifer, is only high aquifer and go up oil reservoir.For this situation, after operation can only trip out tubing string routinely, carry out the operation of oil reservoir in the shutoff again.Yet owing to used the two-stage gauge tap, we only need suppress to the certain pressure value from well head, and release then at this time descend the fluid cylinder 11 of gauge tap to be transposed to open position from close stance, provides passage for the liquid that descends oil reservoir enters oil pipe; And the fluid cylinder 11 of going up gauge tap is transposed to close stance from open position, thereby has cut off the passage of liquid stream, shutoff last oil reservoir (high aquifer).When oil well dropped into ordinary production, the bullet that the liquid of following oil reservoir will be opened down gauge tap flowed that valve flows to oil pipe and by extraction.The accent process of protecting of above-mentioned plugged zone position can repeatedly be implemented as the case may be and not need to trip out tubing string.
Advantage of the present utility model: 1. one-trip string do not need repeatedly to be implemented as the case may be in the lower going-into-well Work tubing string, for the complexity of the operation meeting simplification stratified operation that divides two layers of understanding, when saving operation Between and funds. 2. control switch in down-hole is regulated and control at well head. 3. fluid cylinder, bullet stream valve and orbit ring motion are flexibly Reliably. It can with supporting being used in combination such as existing packer.
Claims (6)
1. a hydraulic reciprocating type down-hole gauge tap is made up of top connection, central tube, ball-and-seat, spring and lower contact etc., it is characterized in that: be set with joint ring (16), joint ring (17) on the outer wall of central tube (02); And ball-and-seat axially is set in the outer wall upper edge, connect in valve seat orifice (32) and the central tube (02); Valve seat (13) top is provided with piston (09), and the inside and outside wall of piston (09) is equipped with sealing ring (08), joint ring (07), between valve seat (13) and piston (09) gasket ring (10) is arranged; Piston (09) top order suit lock dog (06), change (05) and top connection (01); The outer suit fluid cylinder (11) of above-mentioned parts; The upper end of central tube (02) is provided with four dogs (30) and becomes cross to be symmetrically distributed; The last neck of central tube (02) is provided with lock dog groove (31); The outer wall of the middle and lower part of central tube (02) is provided with by each two interval of long and short rail groove be formed by connecting airtight rail groove (36) and draw-in groove (37); Rail groove (36) is provided with the orbit ring (21) of belt track nail (20), and track pin (20) is embedded in the rail groove (36); Orbit ring (21) is suit lining (19) down, and is connected with fluid cylinder (11) by tightening pin (18); Order suit big spring (22), adjustment ring (23), dead ring (24) and lower contact (25) below the lining (19).
2. a kind of hydraulic reciprocating type according to claim 1 down-hole gauge tap, form by top connection, central tube, ball-and-seat, spring and lower contact etc., it is characterized in that: central tube (02) is uniform vertically six valve seat orifice (32) on its big external diameter, and valve seat orifice (32) middle part is communicated with the perforation that traverses central tube (02) (33); The outer wall of central tube (02) is provided with seal groove (34), (35).
3. a kind of hydraulic reciprocating type according to claim 1 down-hole gauge tap, be made up of top connection, central tube, ball-and-seat, spring and lower contact etc., it is characterized in that: ball-and-seat is made of valve seat (13), steel ball (14), little spring (15) and sealing ring (12).
4. a kind of hydraulic reciprocating type according to claim 1 down-hole gauge tap, form by top connection, central tube, ball-and-seat, spring and lower contact etc., it is characterized in that: change (05) is an annulus, be provided with uniform four lock dog holes (40) at Qi Bishang, and be provided with tightening pin hole (42).
5. a kind of hydraulic reciprocating type according to claim 1 down-hole gauge tap is made up of top connection, central tube, ball-and-seat, spring and lower contact etc., and its spy, short each two rail groove connect and compose the track of 360 degree sealings at interval.Levy and be: orbit ring (21) wall is provided with two relative track pin holes (43).
6. a kind of hydraulic reciprocating type according to claim 1 down-hole gauge tap, form by top connection, central tube, ball-and-seat, spring and lower contact etc., it is characterized in that: A-is connected and composed the track of 360 degree sealings for long track top dead-centre, B-are that long track bottom dead centre, C-are short track bottom dead centre for short track top dead-centre, D-in the airtight track on the central tube (02) by each two rail grooves (36) interval of length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207589 CN2381777Y (en) | 1999-03-30 | 1999-03-30 | Hydraulic reciprocal underground controlled valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99207589 CN2381777Y (en) | 1999-03-30 | 1999-03-30 | Hydraulic reciprocal underground controlled valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2381777Y true CN2381777Y (en) | 2000-06-07 |
Family
ID=34001532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99207589 Expired - Fee Related CN2381777Y (en) | 1999-03-30 | 1999-03-30 | Hydraulic reciprocal underground controlled valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2381777Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948156A (en) * | 2015-06-19 | 2015-09-30 | 王凯 | A full-bore hydraulically driven layered fluid injection and fracturing device and method |
| CN105003228A (en) * | 2015-08-11 | 2015-10-28 | 荆州市赛瑞能源技术有限公司 | Hydraulically-controlled underground check valve capable of being opened/closed repeatedly |
| CN105840182A (en) * | 2016-05-20 | 2016-08-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Underground mechanical liquid level detecting tool |
| CN105840163A (en) * | 2015-01-15 | 2016-08-10 | 深圳市百勤石油技术有限公司 | Ball seat assembly and ball sliding sleeve type fracturing device |
| CN108825168A (en) * | 2018-08-08 | 2018-11-16 | 东营市昌瑞石油机械配件有限责任公司 | A kind of liquid flow control valve |
| CN112412405A (en) * | 2020-12-11 | 2021-02-26 | 张丁波 | Immovable pipe string changing layer water injection device |
| CN114320230A (en) * | 2022-01-07 | 2022-04-12 | 东营市福利德石油科技开发有限责任公司 | Underground pressure control switch device |
-
1999
- 1999-03-30 CN CN 99207589 patent/CN2381777Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840163A (en) * | 2015-01-15 | 2016-08-10 | 深圳市百勤石油技术有限公司 | Ball seat assembly and ball sliding sleeve type fracturing device |
| CN105840163B (en) * | 2015-01-15 | 2019-03-12 | 深圳市百勤石油技术有限公司 | Ball seat assembly and ball-throwing sliding sleeve type fracturing device |
| CN107165603B (en) * | 2015-06-19 | 2019-08-13 | 山东四通石油技术开发有限公司 | A kind of oil field layered priming device |
| CN104948156B (en) * | 2015-06-19 | 2017-07-14 | 王凯 | A full-bore hydraulically driven layered fluid injection and fracturing device |
| CN107165603A (en) * | 2015-06-19 | 2017-09-15 | 刘玉友 | A kind of oil field layered priming device |
| CN104948156A (en) * | 2015-06-19 | 2015-09-30 | 王凯 | A full-bore hydraulically driven layered fluid injection and fracturing device and method |
| CN105003228B (en) * | 2015-08-11 | 2018-04-03 | 荆州市赛瑞能源技术有限公司 | A kind of underground check valve of the repeatable switch of hydraulic control |
| CN105003228A (en) * | 2015-08-11 | 2015-10-28 | 荆州市赛瑞能源技术有限公司 | Hydraulically-controlled underground check valve capable of being opened/closed repeatedly |
| CN105840182A (en) * | 2016-05-20 | 2016-08-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Underground mechanical liquid level detecting tool |
| CN105840182B (en) * | 2016-05-20 | 2022-10-18 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Underground mechanical liquid level detection tool |
| CN108825168A (en) * | 2018-08-08 | 2018-11-16 | 东营市昌瑞石油机械配件有限责任公司 | A kind of liquid flow control valve |
| CN112412405A (en) * | 2020-12-11 | 2021-02-26 | 张丁波 | Immovable pipe string changing layer water injection device |
| CN114320230A (en) * | 2022-01-07 | 2022-04-12 | 东营市福利德石油科技开发有限责任公司 | Underground pressure control switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |