FR2081628A1 - - Google Patents
Info
- Publication number
- FR2081628A1 FR2081628A1 FR7107052A FR7107052A FR2081628A1 FR 2081628 A1 FR2081628 A1 FR 2081628A1 FR 7107052 A FR7107052 A FR 7107052A FR 7107052 A FR7107052 A FR 7107052A FR 2081628 A1 FR2081628 A1 FR 2081628A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- 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
- G01V3/34—Transmitting data to recording or processing apparatus; Recording data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/20—Cathode-ray oscilloscopes
-
- 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
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
- Recording Measured Values (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1579070A | 1970-03-02 | 1970-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2081628A1 true FR2081628A1 (en) | 1971-12-10 |
FR2081628B1 FR2081628B1 (en) | 1973-06-08 |
Family
ID=21773659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR717107052A Expired FR2081628B1 (en) | 1970-03-02 | 1971-03-02 |
Country Status (7)
Country | Link |
---|---|
JP (2) | JPS5499001A (en) |
CA (1) | CA1047596A (en) |
DE (1) | DE2109668C3 (en) |
FR (1) | FR2081628B1 (en) |
GB (2) | GB1357151A (en) |
HK (1) | HK23677A (en) |
SU (1) | SU446132A3 (en) |
-
1971
- 1971-03-01 DE DE2109668A patent/DE2109668C3/en not_active Expired
- 1971-03-02 SU SU1630573A patent/SU446132A3/en active
- 1971-03-02 FR FR717107052A patent/FR2081628B1/fr not_active Expired
- 1971-03-02 CA CA106,688A patent/CA1047596A/en not_active Expired
- 1971-04-19 GB GB2420371*A patent/GB1357151A/en not_active Expired
- 1971-04-19 GB GB5927073A patent/GB1357152A/en not_active Expired
-
1977
- 1977-05-12 HK HK236/77A patent/HK23677A/en unknown
-
1978
- 1978-07-28 JP JP9245278A patent/JPS5499001A/en active Pending
- 1978-07-28 JP JP9245378A patent/JPS5499002A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2109668B2 (en) | 1979-08-23 |
JPS5499001A (en) | 1979-08-04 |
DE2109668C3 (en) | 1980-05-14 |
DE2109668A1 (en) | 1971-10-07 |
FR2081628B1 (en) | 1973-06-08 |
HK23677A (en) | 1977-05-20 |
JPS5499002A (en) | 1979-08-04 |
CA1047596A (en) | 1979-01-30 |
SU446132A3 (en) | 1974-10-05 |
GB1357151A (en) | 1974-06-19 |
GB1357152A (en) | 1974-06-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |