CN201679983U - Connecting rod type reservoir separating valve - Google Patents
Connecting rod type reservoir separating valve Download PDFInfo
- Publication number
- CN201679983U CN201679983U CN2010201877291U CN201020187729U CN201679983U CN 201679983 U CN201679983 U CN 201679983U CN 2010201877291 U CN2010201877291 U CN 2010201877291U CN 201020187729 U CN201020187729 U CN 201020187729U CN 201679983 U CN201679983 U CN 201679983U
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- Prior art keywords
- ball
- ball valve
- linkage
- oil pool
- type oil
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- Expired - Lifetime
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Abstract
The utility model relates to the technical field of horizontal well or multilateral well section fracturing closing lower part borehole in petroleum industry, especially to a connecting rod type reservoir separating valve, which comprises an upper joint, a connecting sleeve, a lower joint, a prepressing pushing spring and a ball valve, the outer side of the lower end of the upper joint is fixed wit the inner side of the upper end of the connecting sleeve, the inner side of the lower end of the connecting sleeve is fixed with the outer side of the upper end of the lower joint, ball seats are mounted in the lower joint and the sleeve, the ball valve which can rotate up and down is mounted on the ball seat, the upper part of the ball valve is mounted with a sealing sleeve corresponding to the upper part of the ball valve, and an inner projection is disposed in the lower joint below the ball seat. The utility model has the advantages of reasonable and compact structure, convenient use, reliable safety, and accurate starting in place, thereby leading the operation throughout connected by the starting tools to enable to smoothly entering a fracturing pipe series, when in closed, due to double sealing actions and the action of prepressing pushing spring, the lower fractured reservoir can be effectively separated, thereby reducing the potential safety hazard.
Description
One, technical field
The utility model relates to petroleum industry horizontal well, lateral well staged fracturing closed lower part borehole device technique field, is a kind of linkage-type oil pool isolating valve.
Two, background technique
In the construction operation of horizontal well, lateral well staged fracturing, oil pool isolating valve need be installed in the present packet bottom that hangs, so that close oil pool isolating valve to guarantee the later stage job safety after pressure break is intact.Open, close because of oil pool isolating valve need have special tool, because complex structure, may when opening, fail complete opening, so that the operation that opener connects later runs through and can't be lowered to smoothly, when closing, then may not put in place owing to closing, effective packing bottom oil reservoir, thus accidents such as overflow, blowout may be caused, there is serious potential safety hazard.
Three, summary of the invention
The utility model provides a kind of linkage-type oil pool isolating valve, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the problem that existing oil pool isolating valve switch can't put in place.
The technical solution of the utility model realizes by following measure: a kind of linkage-type oil pool isolating valve, comprise upper connection, connecting sleeve, lower contact, prestressing backup spring and ball valve, the outside, lower end of upper connection is fixed together with the inboard, upper end of connecting sleeve, and the inboard outside, upper end with lower contact, the lower end of connecting sleeve is fixed together; In lower contact and connecting sleeve, ball seat is installed, the ball valve that can rotate up and down is installed on ball seat, be equipped with and the corresponding stuffing box gland in ball valve top on the top of ball valve, in the lower contact below ball seat inner convex platform is arranged, the lower end seat of prestressing backup spring is on end face on the inner convex platform, and the upper end of prestressing backup spring withstands on the ball seat and the top of stuffing box gland is contacted with the bottom surface of upper connection; Have and the consistent mounting groove of ball valve road direction on the top of ball valve, the on-off valve device that can move up and down along upper connection is installed in upper connection, the lower end of on-off valve device is hinged on the mounting groove and can makes the ball valve opening and closing.
Be further optimization and/or improvements below to above-mentioned model utility technological scheme:
Above-mentioned on-off valve device can comprise the sliding sleeve inner core, the key tooth, connecting rod and trip ring, the sliding sleeve inner core is sleeved in the upper connection, the trip ring mounting groove is arranged in upper connection, in the trip ring mounting groove, trip ring is installed, have respectively on the outer wall of sliding sleeve inner core can cooperate with trip ring and make the sliding sleeve inner core fixed on wedge slot and following wedge slot, on the inwall of the sliding sleeve inner core below the following wedge slot, there is instrument that wedge slot is installed, be fixed with the corresponding key tooth of a side with the mounting groove of ball valve in the lower end of sliding sleeve inner core, the lower end of key tooth and the upper end of connecting rod are hinged, and the lower end of connecting rod is hinged on the side of mounting groove.
The lower end of above-mentioned key tooth and the upper end of connecting rod can be hinged by bearing pin, and the lower end of connecting rod is hinged on the side of mounting groove by bearing pin.
Between above-mentioned ball seat and the lower contact seal ring can be installed.
Between above-mentioned lower contact and the connecting sleeve seal ring can be installed.
Between above-mentioned upper connection and the connecting sleeve seal ring can be installed.
Can be fixed together by socket head screw between the top of above-mentioned ball valve and the stuffing box gland.
The outside, lower end of above-mentioned upper connection can be fixedly installed togather by screw thread with the inboard, upper end of connecting sleeve, and the inboard outside, upper end with lower contact, the lower end of connecting sleeve is fixedly installed togather by screw thread.
Above-mentioned ball seat can comprise upper pedestal and lower base, and upper pedestal and lower base are one, and the external diameter of upper pedestal is greater than the external diameter of lower base, and the bottom surface seat of upper pedestal is on end face in the lower contact 3.
The utility model reasonable and compact in structure, easy to use, safe and reliable, it can accurately be opened and put in place, and the operation that opener is connected runs through and is lowered to pressure break pipe string smoothly; When closing, owing to use the double-sealing effect, and the effect of prestressing backup spring is arranged, guarantee effectively to isolate bottom pressure break oil reservoir, therefore reduced potential safety hazard.
Four, description of drawings
Accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment when ball valve is closed.
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the sectional structure schematic representation.
Coding in the accompanying drawing is respectively: 1 is upper connection, and 2 is connecting sleeve, and 3 are lower contact, and 4 is prestressing backup spring, 5 is ball valve, and 6 is ball seat, and 7 is stuffing box gland, and 8 is inner convex platform, 9 is the ball valve road, and 10 is mounting groove, and 11 is the sliding sleeve inner core, 12 is the key tooth, and 13 is connecting rod, and 14 is trip ring, 15 is the trip ring mounting groove, and 16 is last wedge slot, and 17 are instrument installation wedge slot, 18 is bearing pin, and 19 is seal ring, and 20 is socket head screw.
Five, embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2, this linkage-type oil pool isolating valve comprises upper connection 1, connecting sleeve 2, lower contact 3, prestressing backup spring 4 and ball valve 5, the outside, lower end of upper connection 1 is fixed together with the inboard, upper end of connecting sleeve 2, and the inboard outside, upper end with lower contact 3, the lower end of connecting sleeve 2 is fixed together; In lower contact 3 and connecting sleeve 2, ball seat 6 is installed, the ball valve 5 that can rotate up and down is installed on ball seat 6, be equipped with and the corresponding stuffing box gland 7 in ball valve 5 tops on the top of ball valve 5, in the lower contact 3 below ball seat 6 inner convex platform 8 is arranged, the lower end seat of prestressing backup spring 4 is on end face on the inner convex platform 8, and the upper end of prestressing backup spring 4 withstands on the ball seat 6 and the top of stuffing box gland 7 is contacted with the bottom surface of upper connection 1; On the top of ball valve 5 mounting groove 10 consistent with ball valve road 9 directions arranged, the on-off valve device that can move up and down along upper connection 1 is installed in upper connection 1, the lower end of on-off valve device is hinged on the mounting groove 10 and can makes ball valve 5 opening and closing.
Can according to actual needs above-mentioned linkage-type oil pool isolating valve be made further optimization and/or improvements:
As accompanying drawing 1, shown in 2, on-off valve device comprises sliding sleeve inner core 11, key tooth 12, connecting rod 13 and trip ring 14, sliding sleeve inner core 11 is sleeved in the upper connection 1, trip ring mounting groove 15 is arranged in upper connection 1, trip ring 14 is installed in trip ring mounting groove 15, have respectively on the outer wall of sliding sleeve inner core 11 can cooperate with trip ring 14 and make sliding sleeve inner core 11 fixed on wedge slot 16 and following wedge slot, on the inwall of the sliding sleeve inner core 11 below the following wedge slot, there is instrument that wedge slot 17 is installed, be fixed with the corresponding key tooth 12 of a side with the mounting groove 10 of ball valve 5 in the lower end of sliding sleeve inner core 11, the upper end of the lower end of key tooth 12 and connecting rod 13 is hinged, the lower end of connecting rod 13 is hinged on the side of mounting groove 10, like this, by upwards spurring sliding sleeve inner core 11 ball valve road 9 is closed, by downward promotion sliding sleeve inner core 11 ball valve road 9 is opened, be stuck in by trip ring 14 and make ball valve road 9 be in stable status when the position of opening and closing in wedge slot 16 and the following wedge slot.
Shown in accompanying drawing 1,2, for the ease of installing, the upper end of the lower end of key tooth 12 and connecting rod 13 is hinged by bearing pin 18, and the lower end of connecting rod 13 is hinged on the side of mounting groove 10 by bearing pin 18.
Shown in accompanying drawing 1,2,, between ball seat 6 and the lower contact 3 seal ring 19 is installed in order to increase sealing.
Shown in accompanying drawing 1,2,, between lower contact 3 and the connecting sleeve 2 seal ring 19 is installed in order to increase sealing.
Shown in accompanying drawing 1,2,, be fixed together by socket head screw 20 between the top of ball valve 5 and the stuffing box gland 7 for the ease of installing.
Shown in accompanying drawing 1,2, for the ease of installation and removal, the outside, the lower end of upper connection 1 is fixedly installed togather by screw thread with the inboard, upper end of connecting sleeve 2, and the inboard outside, upper end with lower contact 3, the lower end of connecting sleeve 2 is fixedly installed togather by screw thread.
Shown in accompanying drawing 1,2, ball seat 6 comprises upper pedestal and lower base, and upper pedestal and lower base are one, the external diameter of upper pedestal is greater than the external diameter of lower base, the bottom surface seat of upper pedestal is on end face in the lower contact 3, and like this, ball seat 6 can not move down because of pressure is arranged at top.
Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
The using process of the utility model most preferred embodiment: during on-the-spot the use, the utility model is connected to the staged fracturing operation runs through, down to design attitude.The circulation of pitching and turn on pump begins in the pipe to build the pressure, and sets the staged fracturing of carrying out different reservoir behind the hydraulic packer successively.After fracturing work is finished, be lowered to special tool and wedge slot 17 places be installed to the instrument of sliding sleeve inner core 11, after the complete wedging instrument of special tool expansion hatch is installed wedge slot 17, on carry opener, this moment, trip ring 14 quilts were born against in the trip ring mounting groove 15, the opener expansion hatch will spur on the sliding sleeve inner core 11 and move, at this moment, connecting rod 13 is subjected to power upwards and spurs ball valve 5 and overturn downwards, connecting rod 13 relative in mounting groove 10, coming out, after moving into place, trip ring 14 is again in the following wedge slot of wedging sliding sleeve inner core 11, oil pool isolating valve is closed smoothly, packing bottom oil reservoir.When needs are opened oil pool isolating valve, be lowered to opener and wedge slot 17 places be installed to the instrument of sliding sleeve inner core 11, after the complete wedging instrument of special tool expansion hatch is installed wedge slot 17, continue to transfer opener, trip ring 14 is born against in the trip ring mounting groove 15, the opener expansion hatch will promote sliding sleeve inner core 11 and move down, at this moment, connecting rod 13 is subjected to power upwards and spurs upwards upset of ball valve 5, connecting rod 13 relative entering in the mounting groove 10, after moving into place, trip ring 14 is the last wedge slot 16 of wedging sliding sleeve inner core again, and oil pool isolating valve is opened smoothly, exposes the bottom oil reservoir, operation is finished, and can carry out the later stage oil recovery and wait operation.
Claims (10)
1. linkage-type oil pool isolating valve, it is characterized in that comprising upper connection, connecting sleeve, lower contact, prestressing backup spring and ball valve, the outside, lower end of upper connection is fixed together with the inboard, upper end of connecting sleeve, and the inboard outside, upper end with lower contact, the lower end of connecting sleeve is fixed together; In lower contact and connecting sleeve, ball seat is installed, the ball valve that can rotate up and down is installed on ball seat, be equipped with and the corresponding stuffing box gland in ball valve top on the top of ball valve, in the lower contact below ball seat inner convex platform is arranged, the lower end seat of prestressing backup spring is on end face on the inner convex platform, and the upper end of prestressing backup spring withstands on the ball seat and the top of stuffing box gland is contacted with the bottom surface of upper connection; Have and the consistent mounting groove of ball valve road direction on the top of ball valve, the on-off valve device that can move up and down along upper connection is installed in upper connection, the lower end of on-off valve device is hinged on the mounting groove and can makes the ball valve opening and closing.
2. linkage-type oil pool isolating valve according to claim 1, it is characterized in that on-off valve device comprises the sliding sleeve inner core, the key tooth, connecting rod and trip ring, the sliding sleeve inner core is sleeved in the upper connection, the trip ring mounting groove is arranged in upper connection, in the trip ring mounting groove, trip ring is installed, have respectively on the outer wall of sliding sleeve inner core can cooperate with trip ring and make the sliding sleeve inner core fixed on wedge slot and following wedge slot, on the inwall of the sliding sleeve inner core below the following wedge slot, there is instrument that wedge slot is installed, be fixed with the corresponding key tooth of a side with the mounting groove of ball valve in the lower end of sliding sleeve inner core, the lower end of key tooth and the upper end of connecting rod are hinged, and the lower end of connecting rod is hinged on the side of mounting groove.
3. linkage-type oil pool isolating valve according to claim 2 is characterized in that the upper end of the lower end of key tooth and connecting rod is hinged by bearing pin, and the lower end of connecting rod is hinged on the side of mounting groove by bearing pin.
4. according to claim 1 or 2 or 3 described linkage-type oil pool isolating valves, it is characterized in that between ball seat and the lower contact seal ring being installed.
5. linkage-type oil pool isolating valve according to claim 4 is characterized in that between lower contact and the connecting sleeve seal ring being installed.
6. linkage-type oil pool isolating valve according to claim 5 is characterized in that between upper connection and the connecting sleeve seal ring being installed.
7. linkage-type oil pool isolating valve according to claim 6 is characterized in that being fixed together by socket head screw between the top of ball valve and the stuffing box gland.
8. linkage-type oil pool isolating valve according to claim 7, it is characterized in that the outside, lower end of upper connection and the inboard, upper end of connecting sleeve are fixedly installed togather by screw thread, the inboard outside, upper end with lower contact, the lower end of connecting sleeve is fixedly installed togather by screw thread.
9. according to claim 1 or 2 or 3 described linkage-type oil pool isolating valves, it is characterized in that ball seat comprises upper pedestal and lower base, upper pedestal and lower base are one, and the external diameter of upper pedestal is greater than the external diameter of lower base, and the bottom surface seat of upper pedestal is on end face in the lower contact.
10. linkage-type oil pool isolating valve according to claim 8 is characterized in that ball seat comprises upper pedestal and lower base, and upper pedestal and lower base are one, and the external diameter of upper pedestal is greater than the external diameter of lower base, and the bottom surface seat of upper pedestal is on end face in the lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201877291U CN201679983U (en) | 2010-05-12 | 2010-05-12 | Connecting rod type reservoir separating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201877291U CN201679983U (en) | 2010-05-12 | 2010-05-12 | Connecting rod type reservoir separating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679983U true CN201679983U (en) | 2010-12-22 |
Family
ID=43345027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201877291U Expired - Lifetime CN201679983U (en) | 2010-05-12 | 2010-05-12 | Connecting rod type reservoir separating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565984A (en) * | 2021-08-10 | 2021-10-29 | 西南石油大学 | Secondary well completion oil reservoir isolation valve |
-
2010
- 2010-05-12 CN CN2010201877291U patent/CN201679983U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565984A (en) * | 2021-08-10 | 2021-10-29 | 西南石油大学 | Secondary well completion oil reservoir isolation valve |
| US11486227B2 (en) | 2021-08-10 | 2022-11-01 | Southwest Petroleum University | Reservoir isolation valve for secondary completion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20120104 |