JPS512041B1 - - Google Patents
Info
- Publication number
- JPS512041B1 JPS512041B1 JP45084152A JP8415270A JPS512041B1 JP S512041 B1 JPS512041 B1 JP S512041B1 JP 45084152 A JP45084152 A JP 45084152A JP 8415270 A JP8415270 A JP 8415270A JP S512041 B1 JPS512041 B1 JP S512041B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2946970A | 1970-04-17 | 1970-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS512041B1 true JPS512041B1 (ja) | 1976-01-22 |
Family
ID=21849176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45084152A Pending JPS512041B1 (ja) | 1970-04-17 | 1970-09-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3651871A (ja) |
| JP (1) | JPS512041B1 (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853004A (en) * | 1971-10-20 | 1974-12-10 | Eastman Oil Well Survey Co | Methods and systems for measuring, displaying and recording time-rate of penetration |
| US4156467A (en) * | 1977-11-01 | 1979-05-29 | Mobil Oil Corporation | Well drilling system |
| US4339946A (en) * | 1979-12-05 | 1982-07-20 | Hughes Tool Company | Hydraulic depth indicator for hydraulic drilling machines |
| US4334217A (en) * | 1980-05-02 | 1982-06-08 | Rig Electronics Ltd. | Electronic control indicator for cable hoist equipment |
| US4610005A (en) * | 1980-06-19 | 1986-09-02 | Dresser Industries, Inc. | Video borehole depth measuring system |
| FR2608208B1 (fr) * | 1986-12-10 | 1989-04-07 | Sedco Forex Sa Services Techni | Procede de surveillance des operations de forage rotary d'un puits |
| US4830119A (en) * | 1987-04-02 | 1989-05-16 | 501 W-N Apache Corporation | Top head drive cooling system |
| US4976143A (en) * | 1989-10-04 | 1990-12-11 | Anadrill, Inc. | System and method for monitoring drill bit depth |
| US5107705A (en) * | 1990-03-30 | 1992-04-28 | Schlumberger Technology Corporation | Video system and method for determining and monitoring the depth of a bottomhole assembly within a wellbore |
| US20150218895A1 (en) * | 2014-02-05 | 2015-08-06 | Atlas Copco North America, Llc | System and method for automated rod changing |
| CN108107808A (zh) * | 2017-12-15 | 2018-06-01 | 天水电气传动研究所有限责任公司 | 一种石油钻机电控系统报警的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3052878A (en) * | 1960-03-17 | 1962-09-04 | Socony Mobil Oil Co Inc | Alarm for logging systems |
| US3522727A (en) * | 1968-12-27 | 1970-08-04 | Tenneco Oil Co | Measuring apparatus for drilling rigs |
-
1970
- 1970-04-17 US US29469A patent/US3651871A/en not_active Expired - Lifetime
- 1970-09-28 JP JP45084152A patent/JPS512041B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3651871A (en) | 1972-03-28 |