CA2483174A1 - Drill string shutoff valve - Google Patents
Drill string shutoff valve Download PDFInfo
- Publication number
- CA2483174A1 CA2483174A1 CA 2483174 CA2483174A CA2483174A1 CA 2483174 A1 CA2483174 A1 CA 2483174A1 CA 2483174 CA2483174 CA 2483174 CA 2483174 A CA2483174 A CA 2483174A CA 2483174 A1 CA2483174 A1 CA 2483174A1
- Authority
- CA
- Canada
- Prior art keywords
- annular
- passage
- valve assembly
- valve
- annular valve
- 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.)
- Granted
Links
Abstract
A valve assembly connects into a drill string for opening and closing at least one inner passage within the drill string of the drill string. The valve assembly includes an annular valve assembly carried in an annular passage that moves between the open and closed positions in response to downward fluid pressure from the surface through the annular passage. The valve assembly also includes an inner valve assembly carried in an inner passage of the drill string. The inner valve assembly is a two-way valve that is actuated between open and closed positions by pressure pulses from the surface through the inner passage. The valve assembly can be used within coiled tubing.
Claims (20)
1. An apparatus for opening and closing a passage of a drill string, comprising:
a concentric string of conduit for suspending a drill bit and a motor, the concentric string of conduit defining an inner passage and an annular passage;
and an annular valve assembly carried in the annular passage that is selectively actuated between open and closed positions for regulating fluid flow through the annular passage.
a concentric string of conduit for suspending a drill bit and a motor, the concentric string of conduit defining an inner passage and an annular passage;
and an annular valve assembly carried in the annular passage that is selectively actuated between open and closed positions for regulating fluid flow through the annular passage.
2. The apparatus according to claim 1, wherein the annular valve member further comprises:
an annular valve passage; and an annular valve piston that selectively engages the annular valve passage for opening and closing the annular valve.
an annular valve passage; and an annular valve piston that selectively engages the annular valve passage for opening and closing the annular valve.
3. The apparatus according to claim 2, wherein the annular valve assembly further comprises an annular valve spring for biasing the annular valve piston into engage with the annular valve passage.
4. The apparatus according to claim 1, wherein the portion of the annular passage above the annular valve assembly is in fluid communication with the inner passage when the annular valve assembly is open.
5. The apparatus according to claim 1, wherein the annular valve assembly blocks fluid communication between the inner passage and the portion of the annular passage above the annular valve assembly when the annular valve assembly is closed.
6. The apparatus according to claim 1, wherein the annular valve assembly is a one-way valve for allowing fluid flew axially downward through the annular passage.
7. The apparatus according to claim 1, further comprising an inner valve assembly carried in the inner passage that is selectively actuated between open and closed positions for regulating fluid flow through the inner passage.
8. The apparatus according to claim 7, wherein the inner valve assembly is a two-way valve for allowing fluid flow through the inner passage while the inner valve assembly is open.
9. The apparatus according to claim 7, wherein the inner valve assembly further comprises an upward facing piston that receives pressure pulses for actuating the inner valve between open and closed positions.
10. The apparatus according to claim 7, wherein the inner valve assembly further comprises an upper and a lower valve casing that incrementally rotate and slide axially downward during each pressure pulse.
11. An apparatus for opening and closing a passage of a drill string, comprising:
a concentric string of conduit for suspending a drill bit and a motor, the concentric string of conduit defining an inner passage and an annular passage;
an annular valve assembly carried in the annular passage that is selectively actuated between open and closed positions for regulating fluid flow through the annular passage; and an inner valve assembly carried in the inner passage that is selectively actuated between open and closed positions fox regulating fluid flow through the inner passage.
a concentric string of conduit for suspending a drill bit and a motor, the concentric string of conduit defining an inner passage and an annular passage;
an annular valve assembly carried in the annular passage that is selectively actuated between open and closed positions for regulating fluid flow through the annular passage; and an inner valve assembly carried in the inner passage that is selectively actuated between open and closed positions fox regulating fluid flow through the inner passage.
12. The apparatus according to claim 11, wherein the annular valve member further comprises an annular valve piston for selectively opening and closing the annular valve assembly.
13. The apparatus according to claim 12, wherein the annular valve assembly further comprises an annular valve spring that engages and biases the annular valve piston to a closed position of the annular valve assembly, the annular valve spring is contracted when the annular valve assembly is in its open position.
14. The apparatus according to claim 11, wherein the inner valve assembly blocks fluid communication between the portion of the inner passage above the inner valve assembly and the portion of the annular passage above the annular valve assembly when the inner valve assembly is closed.
15. The apparatus according to claim 11, wherein the inner valve assembly further comprises an upward facing piston that receives pressure pulses for actuating the inner valve between open and closed positions; and an upper valve casing and a lower valve casing that incrementally rotate and slide axially downward during each pressure pulse.
16. The apparatus according to claim 15, wherein the inner valve assembly further comprises a plurality of vanes formed on the interior surface of the inner passage, the lower ends of the vanes engage the an upper portion of the lower valve casing at preselected increments for holding the inner valve in an open position.
17. The apparatus according to claim 16, further comprising:
an inner valve piston connected to the lower valve casing that sealingly closes the inner valve when in an upward position, the lower valve casing holding the inner valve piston in a downward position while the vanes engage upper portion of the lower valve casing.
an inner valve piston connected to the lower valve casing that sealingly closes the inner valve when in an upward position, the lower valve casing holding the inner valve piston in a downward position while the vanes engage upper portion of the lower valve casing.
18. The apparatus according to claim 17, wherein the upper portion of the lower valve casing slides axially upward beyond the lower ends of the vanes at preselected increments for closing the inner valve assembly.
19. An method for opening and closing a passage of a drill string suspending a drill bit and a motor, comprising:
providing a concentric string of conduit having an inner passage and an annular passage, and an annular valve carried in the annular passage;
opening the annular valve by supplying fluid pressure in the annular passage above the annular valve; and closing the annular valve by discontinuing the supply of fluid pressure in the annular passage above the annular valve.
providing a concentric string of conduit having an inner passage and an annular passage, and an annular valve carried in the annular passage;
opening the annular valve by supplying fluid pressure in the annular passage above the annular valve; and closing the annular valve by discontinuing the supply of fluid pressure in the annular passage above the annular valve.
20. The method according to claim 19, further comprising:
providing an inner valve assembly carried in the inner passage; and opening the inner valve assembly with a pressure pulse from the surface that causes the inner valve assembly to rotate into an open position; and closing the inner valve assembly with another pressure pulse from the surface that causes the inner valve assembly to rotate into a closed position.
providing an inner valve assembly carried in the inner passage; and opening the inner valve assembly with a pressure pulse from the surface that causes the inner valve assembly to rotate into an open position; and closing the inner valve assembly with another pressure pulse from the surface that causes the inner valve assembly to rotate into a closed position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/677,917 | 2003-10-02 | ||
| US10/677,917 US7090033B2 (en) | 2002-12-17 | 2003-10-02 | Drill string shutoff valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2483174A1 true CA2483174A1 (en) | 2005-04-02 |
| CA2483174C CA2483174C (en) | 2012-04-24 |
Family
ID=34422144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2483174A Active CA2483174C (en) | 2003-10-02 | 2004-09-30 | Drill string shutoff valve |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2483174C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2438480A (en) * | 2006-05-23 | 2007-11-28 | Schlumberger Holdings | Flow control system for use in a wellbore |
| US8196668B2 (en) | 2006-12-18 | 2012-06-12 | Schlumberger Technology Corporation | Method and apparatus for completing a well |
| US8408337B2 (en) | 2004-02-12 | 2013-04-02 | Presssol Ltd. | Downhole blowout preventor |
| CN106837242A (en) * | 2017-03-27 | 2017-06-13 | 牡丹江博实石油机械科技有限公司 | Blowout-proof apparatus of oil well |
| CN114320195A (en) * | 2022-01-07 | 2022-04-12 | 西安石油大学 | Reversing connector for continuous sand washing and well washing |
| CN117108205A (en) * | 2023-10-20 | 2023-11-24 | 四川派盛通石油工程技术有限公司 | Pulse type supercharging jet drilling device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2614209B1 (en) | 2010-09-09 | 2017-03-15 | National Oilwell Varco, L.P. | Downhole rotary drilling apparatus with formation-interfacing members and control system |
| US8869916B2 (en) | 2010-09-09 | 2014-10-28 | National Oilwell Varco, L.P. | Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter |
-
2004
- 2004-09-30 CA CA2483174A patent/CA2483174C/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8408337B2 (en) | 2004-02-12 | 2013-04-02 | Presssol Ltd. | Downhole blowout preventor |
| GB2452651B (en) * | 2006-05-23 | 2010-07-28 | Schlumberger Holdings | Flow control system for use in a wellbore |
| GB2452651A (en) * | 2006-05-23 | 2009-03-11 | Schlumberger Holdings | A wellbore valve system responsive to a pressure and time signal transmitted downhole |
| GB2438480A (en) * | 2006-05-23 | 2007-11-28 | Schlumberger Holdings | Flow control system for use in a wellbore |
| US8118098B2 (en) | 2006-05-23 | 2012-02-21 | Schlumberger Technology Corporation | Flow control system and method for use in a wellbore |
| GB2438480B (en) * | 2006-05-23 | 2009-02-18 | Schlumberger Holdings | Flow control system for use in a wellbore |
| US8196668B2 (en) | 2006-12-18 | 2012-06-12 | Schlumberger Technology Corporation | Method and apparatus for completing a well |
| CN106837242A (en) * | 2017-03-27 | 2017-06-13 | 牡丹江博实石油机械科技有限公司 | Blowout-proof apparatus of oil well |
| CN106837242B (en) * | 2017-03-27 | 2023-01-31 | 牡丹江博实石油机械科技有限公司 | Blowout preventer for oil well |
| CN114320195A (en) * | 2022-01-07 | 2022-04-12 | 西安石油大学 | Reversing connector for continuous sand washing and well washing |
| CN114320195B (en) * | 2022-01-07 | 2023-08-22 | 西安石油大学 | Reversing joint for continuous sand flushing and well flushing |
| CN117108205A (en) * | 2023-10-20 | 2023-11-24 | 四川派盛通石油工程技术有限公司 | Pulse type supercharging jet drilling device |
| CN117108205B (en) * | 2023-10-20 | 2024-01-23 | 四川派盛通石油工程技术有限公司 | Pulse type supercharging jet drilling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2483174C (en) | 2012-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |