AU689696B2 - Improvements in or relating to steerable rotary drilling systems - Google Patents
Improvements in or relating to steerable rotary drilling systemsInfo
- Publication number
- AU689696B2 AU689696B2 AU45758/96A AU4575896A AU689696B2 AU 689696 B2 AU689696 B2 AU 689696B2 AU 45758/96 A AU45758/96 A AU 45758/96A AU 4575896 A AU4575896 A AU 4575896A AU 689696 B2 AU689696 B2 AU 689696B2
- Authority
- AU
- Australia
- Prior art keywords
- relating
- rotary drilling
- drilling systems
- steerable rotary
- steerable
- 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.)
- Ceased
Links
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9113713 | 1991-06-25 | ||
GB919113713A GB9113713D0 (en) | 1991-06-25 | 1991-06-25 | Improvements in or relating to steerable rotary drilling systems |
GB9118618 | 1991-08-30 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU18511/92A Division AU666850B2 (en) | 1991-06-25 | 1992-06-24 | Improvements in or relating to steerable rotary drilling systems |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4575896A AU4575896A (en) | 1996-06-06 |
AU689696B2 true AU689696B2 (en) | 1998-04-02 |
Family
ID=10697304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU45758/96A Ceased AU689696B2 (en) | 1991-06-25 | 1996-02-28 | Improvements in or relating to steerable rotary drilling systems |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU689696B2 (en) |
GB (1) | GB9113713D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7413034B2 (en) | 2006-04-07 | 2008-08-19 | Halliburton Energy Services, Inc. | Steering tool |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4291773A (en) * | 1978-07-27 | 1981-09-29 | Evans Robert F | Strictive material deflectable collar for use in borehole angle control |
EP0204474A1 (en) * | 1985-05-31 | 1986-12-10 | The Analysts International S.A. | Methods and apparatus for controlled directional drilling of boreholes |
US4836301A (en) * | 1986-05-16 | 1989-06-06 | Shell Oil Company | Method and apparatus for directional drilling |
-
1991
- 1991-06-25 GB GB919113713A patent/GB9113713D0/en active Pending
-
1996
- 1996-02-28 AU AU45758/96A patent/AU689696B2/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4291773A (en) * | 1978-07-27 | 1981-09-29 | Evans Robert F | Strictive material deflectable collar for use in borehole angle control |
EP0204474A1 (en) * | 1985-05-31 | 1986-12-10 | The Analysts International S.A. | Methods and apparatus for controlled directional drilling of boreholes |
US4836301A (en) * | 1986-05-16 | 1989-06-06 | Shell Oil Company | Method and apparatus for directional drilling |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7413034B2 (en) | 2006-04-07 | 2008-08-19 | Halliburton Energy Services, Inc. | Steering tool |
Also Published As
Publication number | Publication date |
---|---|
AU4575896A (en) | 1996-06-06 |
GB9113713D0 (en) | 1991-08-14 |
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