FR2366586B1 - - Google Patents
Info
- Publication number
- FR2366586B1 FR2366586B1 FR7728390A FR7728390A FR2366586B1 FR 2366586 B1 FR2366586 B1 FR 2366586B1 FR 7728390 A FR7728390 A FR 7728390A FR 7728390 A FR7728390 A FR 7728390A FR 2366586 B1 FR2366586 B1 FR 2366586B1
- 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.)
- Expired
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
- E21B47/12—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
- E21B47/14—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 using acoustic waves
- E21B47/18—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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
-
- 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
- E21B47/14—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 using acoustic waves
- E21B47/18—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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
- E21B47/20—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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by modulation of mud waves, e.g. by continuous modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Electric Motors In General (AREA)
- Earth Drilling (AREA)
- Communication Cables (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72768576A | 1976-09-29 | 1976-09-29 | |
| US05/727,686 US4100528A (en) | 1976-09-29 | 1976-09-29 | Measuring-while-drilling method and system having a digital motor control |
| US05/727,687 US4103281A (en) | 1976-09-29 | 1976-09-29 | Measuring-while-drilling system having motor speed detection during encoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2366586A1 FR2366586A1 (en) | 1978-04-28 |
| FR2366586B1 true FR2366586B1 (en) | 1982-09-10 |
Family
ID=27419101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7728390A Granted FR2366586A1 (en) | 1976-09-29 | 1977-09-21 | DIGITAL CONTROL PROCESS OF A MOTOR AND MEASURING DEVICE DURING DRILLING |
Country Status (12)
| Country | Link |
|---|---|
| BR (1) | BR7706432A (en) |
| DE (1) | DE2743871A1 (en) |
| DK (1) | DK432177A (en) |
| EG (1) | EG13641A (en) |
| ES (2) | ES462412A1 (en) |
| FR (1) | FR2366586A1 (en) |
| GB (3) | GB1592994A (en) |
| IE (1) | IE45473B1 (en) |
| MX (1) | MX143691A (en) |
| NL (1) | NL7710508A (en) |
| NO (1) | NO150059C (en) |
| OA (1) | OA05771A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3035905C2 (en) * | 1980-09-24 | 1982-12-30 | Christensen, Inc., 84115 Salt Lake City, Utah | Device for the remote transmission of information from a borehole to the surface of the earth during the operation of a drilling rig |
| US5283768A (en) * | 1991-06-14 | 1994-02-01 | Baker Hughes Incorporated | Borehole liquid acoustic wave transducer |
| GB2261308B (en) * | 1991-11-06 | 1996-02-28 | Marconi Gec Ltd | Data transmission |
| CN115977592B (en) * | 2023-03-01 | 2024-05-17 | 电子科技大学 | Speed-frequency self-adaptive clock applied to wireless perforation system |
-
1977
- 1977-08-30 IE IE1801/77A patent/IE45473B1/en unknown
- 1977-08-30 NO NO772988A patent/NO150059C/en unknown
- 1977-09-16 ES ES462412A patent/ES462412A1/en not_active Expired
- 1977-09-21 FR FR7728390A patent/FR2366586A1/en active Granted
- 1977-09-26 OA OA56285A patent/OA05771A/en unknown
- 1977-09-26 MX MX170694A patent/MX143691A/en unknown
- 1977-09-27 GB GB6469/80A patent/GB1592994A/en not_active Expired
- 1977-09-27 NL NL7710508A patent/NL7710508A/en active Search and Examination
- 1977-09-27 GB GB40117/77A patent/GB1592993A/en not_active Expired
- 1977-09-27 BR BR7706432A patent/BR7706432A/en unknown
- 1977-09-27 GB GB6491/80A patent/GB1592995A/en not_active Expired
- 1977-09-28 EG EG560/77A patent/EG13641A/en active
- 1977-09-29 DE DE19772743871 patent/DE2743871A1/en not_active Withdrawn
- 1977-09-29 DK DK432177A patent/DK432177A/en not_active Application Discontinuation
-
1978
- 1978-07-06 ES ES471490A patent/ES471490A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1592994A (en) | 1981-07-15 |
| BR7706432A (en) | 1978-07-04 |
| ES471490A1 (en) | 1979-02-01 |
| EG13641A (en) | 1982-03-31 |
| DE2743871A1 (en) | 1978-03-30 |
| ES462412A1 (en) | 1979-06-16 |
| NO150059B (en) | 1984-04-30 |
| GB1592995A (en) | 1981-07-15 |
| DK432177A (en) | 1978-03-30 |
| NL7710508A (en) | 1978-03-31 |
| NO150059C (en) | 1984-08-08 |
| OA05771A (en) | 1981-05-31 |
| IE45473L (en) | 1978-03-29 |
| MX143691A (en) | 1981-06-24 |
| NO772988L (en) | 1978-03-30 |
| FR2366586A1 (en) | 1978-04-28 |
| IE45473B1 (en) | 1982-09-08 |
| GB1592993A (en) | 1981-07-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |