GB0328339D0 - Mud switch control of mud actuated control system - Google Patents
Mud switch control of mud actuated control systemInfo
- Publication number
- GB0328339D0 GB0328339D0 GB0328339A GB0328339A GB0328339D0 GB 0328339 D0 GB0328339 D0 GB 0328339D0 GB 0328339 A GB0328339 A GB 0328339A GB 0328339 A GB0328339 A GB 0328339A GB 0328339 D0 GB0328339 D0 GB 0328339D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- mud
- control system
- switch control
- actuated
- control
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
-
- 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
- E21B7/06—Deflecting the direction of boreholes
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0328339A GB2408757B (en) | 2003-12-06 | 2003-12-06 | Actuator Valve and Bias Unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0328339A GB2408757B (en) | 2003-12-06 | 2003-12-06 | Actuator Valve and Bias Unit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0328339D0 true GB0328339D0 (en) | 2004-01-07 |
GB2408757A GB2408757A (en) | 2005-06-08 |
GB2408757B GB2408757B (en) | 2006-11-15 |
Family
ID=29764726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0328339A Expired - Fee Related GB2408757B (en) | 2003-12-06 | 2003-12-06 | Actuator Valve and Bias Unit |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2408757B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0519783D0 (en) * | 2005-09-29 | 2005-11-09 | Schlumberger Holdings | Actuator |
US20080156495A1 (en) * | 2006-12-29 | 2008-07-03 | Schlumberger Technology Corporation | Method of using radial thrust elements to re-enter a previously-installed tubular in a lateral |
GB2450498A (en) | 2007-06-26 | 2008-12-31 | Schlumberger Holdings | Battery powered rotary steerable drilling system |
BR112012031215B1 (en) | 2010-06-18 | 2020-04-22 | Prad Res And Development Limited Vg | method for controlling a drilling direction from a rotatable steerable system, method of controlling an actuator tool face on a rotatable orientable system, and method of controlling a drilling direction when drilling a well hole |
US10633923B2 (en) | 2018-03-26 | 2020-04-28 | Novatek Ip, Llc | Slidable rod downhole steering |
US11002077B2 (en) | 2018-03-26 | 2021-05-11 | Schlumberger Technology Corporation | Borehole cross-section steering |
US11795763B2 (en) | 2020-06-11 | 2023-10-24 | Schlumberger Technology Corporation | Downhole tools having radially extendable elements |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9025444D0 (en) * | 1990-11-22 | 1991-01-09 | Appleton Robert P | Drilling wells |
GB2325016B (en) * | 1995-02-25 | 1999-03-17 | Camco Drilling Group Ltd | Improvements in or relating to steerable rotary drilling systems |
AUPO062296A0 (en) * | 1996-06-25 | 1996-07-18 | Gray, Ian | A system for directional control of drilling |
US7188685B2 (en) * | 2001-12-19 | 2007-03-13 | Schlumberge Technology Corporation | Hybrid rotary steerable system |
-
2003
- 2003-12-06 GB GB0328339A patent/GB2408757B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2408757B (en) | 2006-11-15 |
GB2408757A (en) | 2005-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20191206 |