OA04092A - Improvements to borehole logging equipment. - Google Patents
Improvements to borehole logging equipment.Info
- Publication number
- OA04092A OA04092A OA54580A OA54580A OA04092A OA 04092 A OA04092 A OA 04092A OA 54580 A OA54580 A OA 54580A OA 54580 A OA54580 A OA 54580A OA 04092 A OA04092 A OA 04092A
- Authority
- OA
- OAPI
- Prior art keywords
- logging equipment
- borehole logging
- borehole
- equipment
- logging
- Prior art date
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/52—Structural details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
- G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Acoustics & Sound (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7118636A FR2138335B1 (en) | 1971-05-24 | 1971-05-24 | |
FR7118638A FR2138337A1 (en) | 1971-05-24 | 1971-05-24 | Acoustic borehole survey head - with separate send and receive transducers |
FR7118637A FR2138336A1 (en) | 1971-05-24 | 1971-05-24 | Borehole survey head - with acoustic transmitters mounted on mechanical low pass filter body |
FR7139315A FR2159557A5 (en) | 1971-11-03 | 1971-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
OA04092A true OA04092A (en) | 1979-10-30 |
Family
ID=27446106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA54580A OA04092A (en) | 1971-05-24 | 1972-05-24 | Improvements to borehole logging equipment. |
Country Status (1)
Country | Link |
---|---|
OA (1) | OA04092A (en) |
-
1972
- 1972-05-24 OA OA54580A patent/OA04092A/en unknown
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