CN203362112U - Full-bore-type voltage-controlled underground well opening valve - Google Patents
Full-bore-type voltage-controlled underground well opening valve Download PDFInfo
- Publication number
- CN203362112U CN203362112U CN2013203271557U CN201320327155U CN203362112U CN 203362112 U CN203362112 U CN 203362112U CN 2013203271557 U CN2013203271557 U CN 2013203271557U CN 201320327155 U CN201320327155 U CN 201320327155U CN 203362112 U CN203362112 U CN 203362112U
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- full
- bore
- opening valve
- well opening
- pressure
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Abstract
The utility model discloses a full-bore-type voltage-controlled underground well opening valve which comprises an outer barrel assembly which is formed by sequentially connecting an upper connector (1), a rupture plate outer barrel (3), a ball valve outer barrel (4) and a lower connector (10). A sealing mandrel (2), a connection jaw (5), a connection short section (6), an operation arm (7) and a lower base ring (9) are sequentially arranged in the outer barrel assembly in the direction from the upper connector (1) to the lower connector (10). The full-bore-type voltage-controlled underground well opening valve is reasonable in structure, full-bore, voltage-controlled, low in cost, capable of generating large test pressure difference by emptying and capable of avoiding the work procedure of inducting flow liquid replacement.
Description
Technical field
The utility model relates to a kind of down-hole instrument that drives a well, and relates in particular to a kind of full-bore, pressure-controlled down-hole well opening valve.
Background technology
Drill stem testing is named again in formation testing, is DST(Drill Stem Testing abroad).It refers in drilling process or finishing drilling is not carried out completion and is lowered to testing tool with drilling rod or oil pipe the oil/gas show interval run into afterwards, carry out the switch well in down-hole, tested, acquisition is in the various characteristics parameter of dynamic condition sub-surface and fluid, thereby timely and accurately payzone made an appraisal.This method speed data fast, that obtain is many, is most economical " provisional " completion method, is referred to as " going for goal shot " in exploration.
Current exploration targets both domestic and external is all marching to deep layer HTHP reservoir, and the HTHP reservoir is also more and more, and the formation testing of these reservoirs is essential full-bore, pressure-controlled testing tools of adopting all at present.The instrument that this type of testing tool can carry out down-hole multiple switching well is substantially all external service provider (as the PCTH testing valve of Haliburton's Omin valve series and APR series, Schlumberger), and tool performance is reliable, and still with high costs, the preparatory period is long.
Existing domestic normal employing " RDS valve+downhole shut-in valve+RD circulating valve+casing packer ", the alternative external product of this cover instrument can meet the requirement of most of high-pressure oil-gas well admission data.But there are two defects in this technique: 1) can not wash in a pan sky, make larger test pressure differential limited; 2) be lowered in heavy sizing after test string and need by the low-gravity test fluid, for heavy sizing, at this moment to have larger exciting pressure reduction, may cause and shift to an earlier date perforation in test-perforation connection is done, or other pressure-controlled instrument moves in advance.
Summary of the invention
In order to overcome the above problems, the utility model provides a kind of can meet the high-pressure oil-gas well test request, again the pressure-controlled down-hole of cost-effective full-bore well opening valve.
The concrete technical scheme of the pressure-controlled down-hole of full-bore of the present utility model well opening valve is:
The pressure-controlled down-hole of a kind of full-bore well opening valve comprises: the outer barrel component be comprised of the top connection, rupture disk urceolus, ball valve urceolus and the lower contact that connect in turn; Be provided with successively the sealing mandrel, connect pawl, connecting short section, motion arm and bottom race along top connection to lower contact direction in outer barrel component; The internal orifice place of motion arm is provided with top race, is provided with the ball valve assembly between top race and bottom race; Be provided with and cut off between top connection and sealing mandrel, between rupture disk urceolus and sealing mandrel, be provided with rupture disk, the sealing mandrel is in the cross-sectional area difference at rupture disk place, and the cross-sectional area of close top connection part is greater than the cross-sectional area near the lower contact part.
Further, between connecting short section and motion arm, adopt flange to inlay and be connected with groove.
Further, motion arm is fastened on ball valve assembly inside.
Further, the symmetry that cuts off between top connection and sealing mandrel is installed, and quantity is 2-18.
Compare the existing down-hole instrument that drives a well, the pressure-controlled down-hole of full-bore of the present utility model well opening valve is rational in infrastructure, and full-bore, pressure-controlled, cost is low, can wash in a pan sky, make larger test pressure differential, can avoid again in construction for this operation of induced flow liquid.
In addition, the pressure-controlled down-hole of full-bore of the present utility model well opening valve both can be applicable to, in the construction of high-pressure oil-gas well test-perforation connection do, also can be used in other high-pressure oil-gas well formation testing.And current exploration targets both domestic and external is all marching to deep layer high temperature, high pressure reservoir, the HTHP reservoir is also more and more, the formation testing of these reservoirs all needs full-bore, pressure-controlled testing tool, provides wide application prospect for the pressure-controlled down-hole of full-bore of the present utility model well opening valve thus.
The accompanying drawing explanation
The cross-sectional view that Fig. 1 is the pressure-controlled down-hole of full-bore of the present utility model well opening valve;
The sectional view that Fig. 2 is the pressure-controlled down-hole of the full-bore in Fig. 1 well opening valve epimere;
The sectional view that Fig. 3 is the pressure-controlled down-hole of the full-bore in Fig. 1 well opening valve hypomere.
The specific embodiment
Below, by exemplary embodiment, the utility model is specifically described.Yet should be appreciated that in the situation that not further narration, element, structure and feature in embodiment also can be attached in other embodiments valuably.
As shown in Figure 1 to Figure 3, the pressure-controlled down-hole of full-bore of the present utility model well opening valve comprises top connection 1 and lower contact 10, and top connection 1 and lower contact 10 are by screw thread and other equipment connections.Wherein, top connection 1 is to being connected with rupture disk urceolus 3 and ball valve urceolus 4 between lower contact 10 in turn, and top connection 1, rupture disk urceolus 3, ball valve urceolus 4 and lower contact 10 form the outer barrel component of the pressure-controlled down-hole of full-bore of the present utility model well opening valve.
In the outer barrel component of the pressure-controlled down-hole of full-bore of the present utility model well opening valve, along top connection 1 to lower contact, 10 directions are provided with successively sealing mandrel 2, connect pawl 5, connecting short section 6, motion arm 7 and bottom race 9.Wherein, between described connecting short section 6 and described motion arm 7, adopt flange to inlay and be connected with groove, the internal orifice place of motion arm 7 is provided with top race 8, between top race 8 and bottom race 9, is provided with ball valve assembly 13, and motion arm 7 is fastened on ball valve assembly 13 inside.
Further, referring to Fig. 2, be provided with and cut off 12 between the top connection 1 of the pressure-controlled down-hole of full-bore of the present utility model well opening valve and sealing mandrel 2, be provided with rupture disk 11 between rupture disk urceolus 3 and sealing mandrel 2, sealing mandrel 2 is inconsistent at the rupture disk 11 upper and lower cross-sectional areas in place, and the top area is large, the bottom area is little, also, be greater than the cross-sectional area of close lower contact 10 parts near the cross-sectional area of top connection 1 part, form thus differential area.In addition, cut off 12 according to circumstances symmetrical installation of quantity in the utility model, be preferably 2-18.And also can select suitable rupture disk 11 according to actual conditions, need the factor of considering to have: bottom hole temperature (BHT), the liquid column hydrostatic pressure of the instrument place degree of depth, the operating pressure of other instrument.
The pressure-controlled down-hole of full-bore of the present utility model well opening valve is when entering well, and the ball valve in ball valve assembly 13 is axial above in closed condition, can add the naughty sky of clear water in the above and make pressure reduction, while needing the operation ball valve, leans on the powered rotation ball valve extremely in axial opening.
The course of work of the pressure-controlled down-hole of full-bore of the present utility model well opening valve is: by annular space, suppress, after rupture disk 11 breaks, the high-pressure fluid of annular space enters well opening valve from rupture disk 11, High Pressure is on sealing mandrel 2, and because sealing mandrel 2 has differential area, total force is downward, cut off and cut off 12, promote sealing mandrel 2 and move downward, sealing mandrel 2 drives connecting short section 6 and motion arm 7 moves downward, and the ball valve driven thus in ball valve assembly 13 rotates.
Be appreciated that the utility model is described by some embodiment, those skilled in the art know, in the situation that do not break away from spirit and scope of the present utility model, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material and can not break away from spirit and scope of the present utility model these features and embodiment.Therefore, the utility model is not subject to the restriction of specific embodiment disclosed herein, and the embodiment in all the application's of falling into claim scope belongs in the scope that the utility model protects.
Claims (4)
1. the pressure-controlled down-hole of a full-bore well opening valve, is characterized in that, comprising:
The outer barrel component formed by the top connection (1), rupture disk urceolus (3), ball valve urceolus (4) and the lower contact (10) that connect in turn;
Be provided with successively sealing mandrel (2), connect pawl (5), connecting short section (6), motion arm (7) and bottom race (9) along top connection (1) to lower contact (10) direction in outer barrel component;
The internal orifice place of motion arm (7) is provided with top race (8), between top race (8) and bottom race (9), is provided with ball valve assembly (13);
Be provided with and cut off (12) between top connection (1) and sealing mandrel (2), be provided with rupture disk (11) between rupture disk urceolus (3) and sealing mandrel (2), the cross-sectional area difference that sealing mandrel (2) is located at rupture disk (11), the cross-sectional area of close top connection (1) part is greater than the cross-sectional area near lower contact (10) part.
2. the pressure-controlled down-hole of full-bore according to claim 1 well opening valve, is characterized in that, between connecting short section (6) and motion arm (7), adopts flange to inlay and be connected with groove.
3. the pressure-controlled down-hole of full-bore according to claim 1 well opening valve, is characterized in that, motion arm (7) is fastened on ball valve assembly (13) inside.
4. the pressure-controlled down-hole of full-bore according to claim 1 well opening valve, is characterized in that, (12) symmetry that cuts off between top connection (1) and sealing mandrel (2) is installed, and quantity is 2-18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203271557U CN203362112U (en) | 2013-06-07 | 2013-06-07 | Full-bore-type voltage-controlled underground well opening valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203271557U CN203362112U (en) | 2013-06-07 | 2013-06-07 | Full-bore-type voltage-controlled underground well opening valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362112U true CN203362112U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203271557U Expired - Fee Related CN203362112U (en) | 2013-06-07 | 2013-06-07 | Full-bore-type voltage-controlled underground well opening valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN203362112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566158A (en) * | 2019-09-16 | 2019-12-13 | 宝鸡畅油石油设备有限公司 | Single stroke oil pipe pressure testing valve |
-
2013
- 2013-06-07 CN CN2013203271557U patent/CN203362112U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566158A (en) * | 2019-09-16 | 2019-12-13 | 宝鸡畅油石油设备有限公司 | Single stroke oil pipe pressure testing 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 |
Granted publication date: 20131225 Termination date: 20150607 |
|
| EXPY | Termination of patent right or utility model |