CA2043695C - Drilling tool for sinking wells in underground rock formations - Google Patents
Drilling tool for sinking wells in underground rock formations Download PDFInfo
- Publication number
- CA2043695C CA2043695C CA 2043695 CA2043695A CA2043695C CA 2043695 C CA2043695 C CA 2043695C CA 2043695 CA2043695 CA 2043695 CA 2043695 A CA2043695 A CA 2043695A CA 2043695 C CA2043695 C CA 2043695C
- Authority
- CA
- Canada
- Prior art keywords
- drilling tool
- force
- tool according
- drilling
- pressure
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 134
- 230000015572 biosynthetic process Effects 0.000 title claims description 4
- 238000005755 formation reaction Methods 0.000 title claims description 4
- 239000011435 rock Substances 0.000 title claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000004913 activation Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 241001674048 Phthiraptera Species 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4017761A DE4017761A1 (de) | 1990-06-01 | 1990-06-01 | Bohrwerkzeug zum abteufen von bohrungen in unterirdische gesteinsformationen |
| DEP4017761.0 | 1990-06-01 | ||
| EP90115963.2 | 1990-08-21 | ||
| EP90115963A EP0459008B1 (de) | 1990-06-01 | 1990-08-21 | Bohrwerkzeug zum Richtbohren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2043695A1 CA2043695A1 (en) | 1991-12-02 |
| CA2043695C true CA2043695C (en) | 2001-12-04 |
Family
ID=25893777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2043695 Expired - Lifetime CA2043695C (en) | 1990-06-01 | 1991-05-31 | Drilling tool for sinking wells in underground rock formations |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2043695C (no) |
| NO (1) | NO301900B1 (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645707B (zh) * | 2022-03-07 | 2024-08-16 | 中海油田服务股份有限公司 | 一种压力传感装置固定结构 |
-
1991
- 1991-05-31 CA CA 2043695 patent/CA2043695C/en not_active Expired - Lifetime
- 1991-06-03 NO NO912127A patent/NO301900B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO912127L (no) | 1991-12-02 |
| NO912127D0 (no) | 1991-06-03 |
| CA2043695A1 (en) | 1991-12-02 |
| NO301900B1 (no) | 1997-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |