CA2564116A1 - Anti-rotation device for a steerable rotary drilling device - Google Patents
Anti-rotation device for a steerable rotary drilling device Download PDFInfo
- Publication number
- CA2564116A1 CA2564116A1 CA002564116A CA2564116A CA2564116A1 CA 2564116 A1 CA2564116 A1 CA 2564116A1 CA 002564116 A CA002564116 A CA 002564116A CA 2564116 A CA2564116 A CA 2564116A CA 2564116 A1 CA2564116 A1 CA 2564116A1
- Authority
- CA
- Canada
- Prior art keywords
- piston
- housing
- rotation
- engagement surface
- rotation restraining
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
Abstract
A rotation restraining device for a drilling apparatus comprising a rotatable drilling shaft and a housing for rotatably supporting the drilling shaft therein. The rotation restraining device includes a plurality of rotation restraining carriage assemblies spaced about a circumference of the housing. Each carriage assembly is comprised of a plurality of pistons and defines a plurality of cavities such that each of the plurality of pistons is received within a respective cavity. Each piston is comprised of an outermost engagement surface for engaging a borehole wall to restrain rotation of the housing and an opposed innermost surface. Further, each piston is slidably movable within the respective cavity between a retracted position in which the piston is circumferentially supported by the cavity substantially between the outermost engagement surface and the innermost surface of the piston and an extended position in which the outermost engagement surface extends radially from the housing.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002474232A CA2474232C (en) | 1999-07-12 | 1999-07-12 | Anti-rotation device for a steerable rotary drilling device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002474232A Division CA2474232C (en) | 1999-07-12 | 1999-07-12 | Anti-rotation device for a steerable rotary drilling device |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2564116A1 true CA2564116A1 (en) | 2001-01-12 |
CA2564116C CA2564116C (en) | 2008-09-09 |
Family
ID=37451543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002564116A Expired - Lifetime CA2564116C (en) | 1999-07-12 | 1999-07-12 | Anti-rotation device for a steerable rotary drilling device |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2564116C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9970235B2 (en) | 2012-10-15 | 2018-05-15 | Bertrand Lacour | Rotary steerable drilling system for drilling a borehole in an earth formation |
US10184306B2 (en) | 2014-07-28 | 2019-01-22 | Halliburton Energy Services, Inc. | Detecting and remediating downhole excessive pressure condition |
CN115230872A (en) * | 2022-06-07 | 2022-10-25 | 西南石油大学 | Underwater robot self-propelled anchoring device and method |
-
1999
- 1999-07-12 CA CA002564116A patent/CA2564116C/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9970235B2 (en) | 2012-10-15 | 2018-05-15 | Bertrand Lacour | Rotary steerable drilling system for drilling a borehole in an earth formation |
US10184306B2 (en) | 2014-07-28 | 2019-01-22 | Halliburton Energy Services, Inc. | Detecting and remediating downhole excessive pressure condition |
CN115230872A (en) * | 2022-06-07 | 2022-10-25 | 西南石油大学 | Underwater robot self-propelled anchoring device and method |
Also Published As
Publication number | Publication date |
---|---|
CA2564116C (en) | 2008-09-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20190712 |