DE2743871A1 - Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrens - Google Patents
Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrensInfo
- Publication number
- DE2743871A1 DE2743871A1 DE19772743871 DE2743871A DE2743871A1 DE 2743871 A1 DE2743871 A1 DE 2743871A1 DE 19772743871 DE19772743871 DE 19772743871 DE 2743871 A DE2743871 A DE 2743871A DE 2743871 A1 DE2743871 A1 DE 2743871A1
- Authority
- DE
- Germany
- Prior art keywords
- speed
- signal
- change
- motor
- generator
- Prior art date
- 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.)
- Withdrawn
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)
- 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 |
|---|---|
| DE2743871A1 true DE2743871A1 (de) | 1978-03-30 |
Family
ID=27419101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772743871 Withdrawn DE2743871A1 (de) | 1976-09-29 | 1977-09-29 | Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrens |
Country Status (12)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3035905A1 (de) * | 1980-09-24 | 1982-07-22 | Christensen, Inc., 84115 Salt Lake City, Utah | Vorrichtung zur fernuebertragung von informationen aus einem bohrloch zur erdoberflaeche waehrend des betriebs eines bohrgeraetes |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (zh) * | 2023-03-01 | 2024-05-17 | 电子科技大学 | 一种应用于无线射孔系统中的速度-频率自适应时钟 |
-
1977
- 1977-08-30 NO NO772988A patent/NO150059C/no unknown
- 1977-08-30 IE IE1801/77A patent/IE45473B1/en unknown
- 1977-09-16 ES ES462412A patent/ES462412A1/es not_active Expired
- 1977-09-21 FR FR7728390A patent/FR2366586A1/fr active Granted
- 1977-09-26 OA OA56285A patent/OA05771A/xx unknown
- 1977-09-26 MX MX170694A patent/MX143691A/es unknown
- 1977-09-27 BR BR7706432A patent/BR7706432A/pt unknown
- 1977-09-27 GB GB6491/80A patent/GB1592995A/en not_active Expired
- 1977-09-27 GB GB40117/77A patent/GB1592993A/en not_active Expired
- 1977-09-27 GB GB6469/80A patent/GB1592994A/en not_active Expired
- 1977-09-27 NL NL7710508A patent/NL7710508A/xx active Search and Examination
- 1977-09-28 EG EG560/77A patent/EG13641A/xx active
- 1977-09-29 DE DE19772743871 patent/DE2743871A1/de not_active Withdrawn
- 1977-09-29 DK DK432177A patent/DK432177A/da not_active Application Discontinuation
-
1978
- 1978-07-06 ES ES471490A patent/ES471490A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3035905A1 (de) * | 1980-09-24 | 1982-07-22 | Christensen, Inc., 84115 Salt Lake City, Utah | Vorrichtung zur fernuebertragung von informationen aus einem bohrloch zur erdoberflaeche waehrend des betriebs eines bohrgeraetes |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7710508A (nl) | 1978-03-31 |
| NO150059B (no) | 1984-04-30 |
| FR2366586B1 (enrdf_load_stackoverflow) | 1982-09-10 |
| GB1592995A (en) | 1981-07-15 |
| FR2366586A1 (fr) | 1978-04-28 |
| GB1592994A (en) | 1981-07-15 |
| GB1592993A (en) | 1981-07-15 |
| MX143691A (es) | 1981-06-24 |
| IE45473L (en) | 1978-03-29 |
| IE45473B1 (en) | 1982-09-08 |
| DK432177A (da) | 1978-03-30 |
| ES462412A1 (es) | 1979-06-16 |
| OA05771A (fr) | 1981-05-31 |
| NO772988L (no) | 1978-03-30 |
| ES471490A1 (es) | 1979-02-01 |
| NO150059C (no) | 1984-08-08 |
| EG13641A (en) | 1982-03-31 |
| BR7706432A (pt) | 1978-07-04 |
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| Publication | Publication Date | Title |
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| US4103281A (en) | Measuring-while-drilling system having motor speed detection during encoding | |
| US4100528A (en) | Measuring-while-drilling method and system having a digital motor control | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |