IT8222898A0 - Perfezionamenti in o relativi a strumenti per controllare la direzione di un foro di trivellazione. - Google Patents
Perfezionamenti in o relativi a strumenti per controllare la direzione di un foro di trivellazione.Info
- Publication number
- IT8222898A0 IT8222898A0 IT8222898A IT2289882A IT8222898A0 IT 8222898 A0 IT8222898 A0 IT 8222898A0 IT 8222898 A IT8222898 A IT 8222898A IT 2289882 A IT2289882 A IT 2289882A IT 8222898 A0 IT8222898 A0 IT 8222898A0
- Authority
- IT
- Italy
- Prior art keywords
- instruments
- relating
- controlling
- drilling hole
- drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/04—Details
- G01C19/16—Suspensions; Bearings
- G01C19/22—Suspensions; Bearings torsional
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Geophysics And Detection Of Objects (AREA)
- Navigation (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8125409 | 1981-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8222898A0 true IT8222898A0 (it) | 1982-08-19 |
IT1153556B IT1153556B (it) | 1987-01-14 |
Family
ID=10524052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22898/82A IT1153556B (it) | 1981-08-20 | 1982-08-19 | Perfezionamenti in o relativi a strumenti per controllare la direzione di un foro di trivellazione |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5873807A (it) |
BR (1) | BR8204849A (it) |
CA (1) | CA1189317A (it) |
CH (1) | CH651890A5 (it) |
DE (1) | DE3230889A1 (it) |
FR (1) | FR2511727B1 (it) |
IT (1) | IT1153556B (it) |
MX (1) | MX152695A (it) |
NL (1) | NL8203007A (it) |
NO (1) | NO164193C (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4434654A (en) * | 1982-08-09 | 1984-03-06 | Sundstrand Data Control, Inc. | Borehole orientation detection system employing polarized radiation |
DE19625720C1 (de) * | 1996-06-27 | 1997-09-04 | Brueckner Grundbau Gmbh | Verfahren und Vorrichtung zum Bestimmen der Lagegenauigkeit von Bohrlöchern und Schlitzen im Baugrund |
US7997157B2 (en) * | 2008-02-11 | 2011-08-16 | Honeywell International Inc. | Control moment gyroscope |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA73638B (en) * | 1972-02-03 | 1973-10-31 | Selco Mining Corp Ltd | Bore hole logging device |
GB1509293A (en) * | 1976-03-16 | 1978-05-04 | Russell A | Instruments for measuring the orientation of a borehole |
FR2410725A1 (fr) * | 1977-12-02 | 1979-06-29 | Sagem | Perfectionnements apportes aux dispositifs pour la mesure de l'azimut et de l'inclinaison d'une ligne de forage |
FR2410724A1 (fr) * | 1977-12-02 | 1979-06-29 | Sagem | Perfectionnements apportes aux dispositifs pour l'exploration, en azimut et en inclinaison, d'une ligne de forage |
-
1982
- 1982-07-27 NL NL8203007A patent/NL8203007A/nl not_active Application Discontinuation
- 1982-08-19 MX MX194071A patent/MX152695A/es unknown
- 1982-08-19 BR BR8204849A patent/BR8204849A/pt unknown
- 1982-08-19 IT IT22898/82A patent/IT1153556B/it active
- 1982-08-19 DE DE3230889A patent/DE3230889A1/de not_active Withdrawn
- 1982-08-19 CH CH4955/82A patent/CH651890A5/fr not_active IP Right Cessation
- 1982-08-19 CA CA000409758A patent/CA1189317A/en not_active Expired
- 1982-08-19 NO NO822825A patent/NO164193C/no unknown
- 1982-08-20 FR FR828214389A patent/FR2511727B1/fr not_active Expired
- 1982-08-20 JP JP57144567A patent/JPS5873807A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL8203007A (nl) | 1983-03-16 |
BR8204849A (pt) | 1983-08-02 |
DE3230889A1 (de) | 1983-03-03 |
FR2511727B1 (fr) | 1989-02-03 |
NO164193C (no) | 1990-09-05 |
IT1153556B (it) | 1987-01-14 |
CA1189317A (en) | 1985-06-25 |
CH651890A5 (fr) | 1985-10-15 |
NO164193B (no) | 1990-05-28 |
FR2511727A1 (fr) | 1983-02-25 |
MX152695A (es) | 1985-10-11 |
JPS5873807A (ja) | 1983-05-04 |
NO822825L (no) | 1983-02-21 |
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