BR7706432A - PROCESS FOR DIGITAL MOTOR CONTROL AND MEDICINE APPLIANCE DURING DRILLING - Google Patents
PROCESS FOR DIGITAL MOTOR CONTROL AND MEDICINE APPLIANCE DURING DRILLINGInfo
- Publication number
- BR7706432A BR7706432A BR7706432A BR7706432A BR7706432A BR 7706432 A BR7706432 A BR 7706432A BR 7706432 A BR7706432 A BR 7706432A BR 7706432 A BR7706432 A BR 7706432A BR 7706432 A BR7706432 A BR 7706432A
- Authority
- BR
- Brazil
- Prior art keywords
- motor control
- during drilling
- appliance during
- digital motor
- medicine appliance
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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)
- Earth Drilling (AREA)
- Control Of Electric Motors In General (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 (1)
| Publication Number | Publication Date |
|---|---|
| BR7706432A true BR7706432A (en) | 1978-07-04 |
Family
ID=27419101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7706432A BR7706432A (en) | 1976-09-29 | 1977-09-27 | PROCESS FOR DIGITAL MOTOR CONTROL AND MEDICINE APPLIANCE 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) | GB1592993A (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 GB40117/77A patent/GB1592993A/en not_active Expired
- 1977-09-27 GB GB6491/80A patent/GB1592995A/en not_active Expired
- 1977-09-27 NL NL7710508A patent/NL7710508A/en active Search and Examination
- 1977-09-27 GB GB6469/80A patent/GB1592994A/en not_active Expired
- 1977-09-27 BR BR7706432A patent/BR7706432A/en unknown
- 1977-09-28 EG EG560/77A patent/EG13641A/en active
- 1977-09-29 DK DK432177A patent/DK432177A/en not_active Application Discontinuation
- 1977-09-29 DE DE19772743871 patent/DE2743871A1/en not_active Withdrawn
-
1978
- 1978-07-06 ES ES471490A patent/ES471490A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7710508A (en) | 1978-03-31 |
| GB1592994A (en) | 1981-07-15 |
| NO150059C (en) | 1984-08-08 |
| GB1592993A (en) | 1981-07-15 |
| ES471490A1 (en) | 1979-02-01 |
| EG13641A (en) | 1982-03-31 |
| DE2743871A1 (en) | 1978-03-30 |
| IE45473B1 (en) | 1982-09-08 |
| NO772988L (en) | 1978-03-30 |
| GB1592995A (en) | 1981-07-15 |
| FR2366586A1 (en) | 1978-04-28 |
| IE45473L (en) | 1978-03-29 |
| FR2366586B1 (en) | 1982-09-10 |
| NO150059B (en) | 1984-04-30 |
| DK432177A (en) | 1978-03-30 |
| ES462412A1 (en) | 1979-06-16 |
| OA05771A (en) | 1981-05-31 |
| MX143691A (en) | 1981-06-24 |
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