JPS4931904B1 - - Google Patents
Info
- Publication number
- JPS4931904B1 JPS4931904B1 JP44049397A JP4939769A JPS4931904B1 JP S4931904 B1 JPS4931904 B1 JP S4931904B1 JP 44049397 A JP44049397 A JP 44049397A JP 4939769 A JP4939769 A JP 4939769A JP S4931904 B1 JPS4931904 B1 JP S4931904B1
- 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
- E21B47/02—Determining slope or direction
- E21B47/024—Determining slope or direction of devices in the borehole
-
- 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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
- E21B47/0236—Determining slope or direction of the borehole, e.g. using geomagnetism using a pendulum
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 |
|---|---|---|---|
| US73955068A | 1968-06-24 | 1968-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4931904B1 true JPS4931904B1 (ja) | 1974-08-26 |
Family
ID=24972819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44049397A Pending JPS4931904B1 (ja) | 1968-06-24 | 1969-06-24 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3584386A (ja) |
| JP (1) | JPS4931904B1 (ja) |
| AT (1) | AT292606B (ja) |
| DE (1) | DE1931636C3 (ja) |
| FR (1) | FR2014181A1 (ja) |
| GB (1) | GB1232517A (ja) |
| NL (1) | NL162990C (ja) |
| NO (1) | NO127022B (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465065A1 (fr) * | 1979-09-10 | 1981-03-20 | Dresser Ind | Outil de forage a mesure simultanee, utilisant des variations de pression de la boue |
| DE3231397A1 (de) * | 1982-08-24 | 1984-03-01 | Bayer Ag, 5090 Leverkusen | Verwendung von carbonylverbindungen und/oder heteroanalogen carbonylverbindungen als stabilisierungsmittel fuer pyrokohlensaeuredialkylester enthaltende loesungen und, die genannten verbindungen enthaltende, polyisocyanat-zubereitungen |
| CN108627140B (zh) * | 2018-06-15 | 2024-03-26 | 佛山科学技术学院 | 一种测斜仪测量辅助装置 |
-
1968
- 1968-06-24 US US739550A patent/US3584386A/en not_active Expired - Lifetime
-
1969
- 1969-05-22 GB GB1232517D patent/GB1232517A/en not_active Expired
- 1969-06-19 NO NO02529/69A patent/NO127022B/no unknown
- 1969-06-21 DE DE1931636A patent/DE1931636C3/de not_active Expired
- 1969-06-24 NL NL6909624.A patent/NL162990C/xx not_active IP Right Cessation
- 1969-06-24 AT AT597669A patent/AT292606B/de not_active IP Right Cessation
- 1969-06-24 JP JP44049397A patent/JPS4931904B1/ja active Pending
- 1969-06-24 FR FR6921185A patent/FR2014181A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1931636B2 (de) | 1973-03-29 |
| DE1931636A1 (de) | 1970-01-02 |
| NL162990B (nl) | 1980-02-15 |
| US3584386A (en) | 1971-06-15 |
| NL6909624A (ja) | 1969-12-30 |
| AT292606B (de) | 1971-09-10 |
| GB1232517A (ja) | 1971-05-19 |
| NL162990C (nl) | 1980-07-15 |
| FR2014181A1 (ja) | 1970-04-17 |
| NO127022B (ja) | 1973-04-24 |
| DE1931636C3 (de) | 1973-10-18 |