NL6712878A - - Google Patents
Info
- Publication number
- NL6712878A NL6712878A NL6712878A NL6712878A NL6712878A NL 6712878 A NL6712878 A NL 6712878A NL 6712878 A NL6712878 A NL 6712878A NL 6712878 A NL6712878 A NL 6712878A NL 6712878 A NL6712878 A NL 6712878A
- Authority
- NL
- Netherlands
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)
- Sampling And Sample Adjustment (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58147666A | 1966-09-23 | 1966-09-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6712878A true NL6712878A (de) | 1968-03-25 |
| NL153300B NL153300B (nl) | 1977-05-16 |
Family
ID=24325353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676712878A NL153300B (nl) | 1966-09-23 | 1967-09-21 | Hellingmeter voor een boorstang. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4831862B1 (de) |
| AT (1) | AT277910B (de) |
| DE (1) | DE1291706B (de) |
| GB (1) | GB1185050A (de) |
| NL (1) | NL153300B (de) |
Families Citing this family (1)
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2435934A (en) * | 1940-01-29 | 1948-02-10 | Fred M Varney | Signalling clinograph |
| US3176407A (en) * | 1960-03-11 | 1965-04-06 | Varney Eng | Drift indicator |
-
1967
- 1967-08-16 GB GB37787/67A patent/GB1185050A/en not_active Expired
- 1967-09-06 DE DEB94317A patent/DE1291706B/de active Pending
- 1967-09-20 AT AT855067A patent/AT277910B/de not_active IP Right Cessation
- 1967-09-21 NL NL676712878A patent/NL153300B/xx not_active IP Right Cessation
- 1967-09-22 JP JP42060612A patent/JPS4831862B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4831862B1 (de) | 1973-10-02 |
| GB1185050A (en) | 1970-03-18 |
| NL153300B (nl) | 1977-05-16 |
| DE1291706B (de) | 1969-04-03 |
| AT277910B (de) | 1970-01-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: BJ HUGHES |