NL7901534A - METHOD AND DEVICE FOR DEMODULATING SIGNALS IN A SCAN-DURING DRILLING SYSTEM. - Google Patents
METHOD AND DEVICE FOR DEMODULATING SIGNALS IN A SCAN-DURING DRILLING SYSTEM.Info
- Publication number
- NL7901534A NL7901534A NL7901534A NL7901534A NL7901534A NL 7901534 A NL7901534 A NL 7901534A NL 7901534 A NL7901534 A NL 7901534A NL 7901534 A NL7901534 A NL 7901534A NL 7901534 A NL7901534 A NL 7901534A
- Authority
- NL
- Netherlands
- Prior art keywords
- scan
- during drilling
- drilling system
- demodulating signals
- demodulating
- 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
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/101—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
-
- 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
- H04L27/22—Demodulator circuits; Receiver circuits
-
- 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
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/881,461 US4215427A (en) | 1978-02-27 | 1978-02-27 | Carrier tracking apparatus and method for a logging-while-drilling system |
| US05/881,460 US4185246A (en) | 1978-02-27 | 1978-02-27 | Circuit for reducing transients by precharging capacitors |
| US05/881,459 US4215425A (en) | 1978-02-27 | 1978-02-27 | Apparatus and method for filtering signals in a logging-while-drilling system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7901534A true NL7901534A (en) | 1979-08-29 |
| NL191549B NL191549B (en) | 1995-05-01 |
| NL191549C NL191549C (en) | 1995-09-04 |
Family
ID=27420508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7901534A NL191549C (en) | 1978-02-27 | 1979-02-27 | Receiving device for receiving a digital information modulated phase shift signal, as well as a drilling and measuring system for performing subterranean measurements and for the transfer of the measured values to the earth's surface, provided with such a receiving device. |
Country Status (13)
| Country | Link |
|---|---|
| AU (3) | AU524811B2 (en) |
| BR (1) | BR7901224A (en) |
| DE (1) | DE2907085A1 (en) |
| FR (2) | FR2434522A1 (en) |
| GB (3) | GB2015307A (en) |
| GR (1) | GR66583B (en) |
| IE (1) | IE48319B1 (en) |
| IN (1) | IN153402B (en) |
| IT (1) | IT1111989B (en) |
| NL (1) | NL191549C (en) |
| NO (1) | NO790496L (en) |
| OA (1) | OA06193A (en) |
| PH (1) | PH18212A (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1206089A (en) * | 1982-06-10 | 1986-06-17 | Gary D. Berkenkamp | Method and apparatus for signal recovery in a logging while drilling system |
| US4514706A (en) * | 1982-09-24 | 1985-04-30 | Rockwell International Corporation | Second or higher order PLL with increased low and medium frequency gain |
| GB2168879A (en) * | 1984-11-19 | 1986-06-25 | Technophone Ltd | Differential phase shift keying detector |
| US4885553A (en) * | 1988-11-30 | 1989-12-05 | Motorola, Inc. | Continuously adaptive phase locked loop synthesizer |
| JP2798142B2 (en) * | 1990-06-15 | 1998-09-17 | 三菱電機株式会社 | Frequency synthesizer |
| DE4102800A1 (en) * | 1991-01-31 | 1992-08-06 | Thomson Brandt Gmbh | Phase-locked loop with drift compensation for CD player, etc. - varies equalisation voltage of PLL until bit error rate is minimised during playing of disc |
| US5283768A (en) * | 1991-06-14 | 1994-02-01 | Baker Hughes Incorporated | Borehole liquid acoustic wave transducer |
| DK0584998T3 (en) * | 1992-08-12 | 1996-12-09 | Halliburton Co | Method and apparatus for detecting pressure pulses |
| US5969638A (en) * | 1998-01-27 | 1999-10-19 | Halliburton Energy Services, Inc. | Multiple transducer MWD surface signal processing |
| GB2347286B (en) * | 1999-02-26 | 2001-04-18 | Motorola Ltd | Frequency tracking loop and method of frequency tracking |
| US8286257B2 (en) | 2008-06-02 | 2012-10-09 | Schlumberger Technology Corporation | Enabling synchronous and asynchronous collaboration for software applications |
| US8302685B2 (en) * | 2009-01-30 | 2012-11-06 | Schlumberger Technology Corporation | Mud pulse telemetry data modulation technique |
| CN106154311A (en) * | 2016-08-25 | 2016-11-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Upward-upward hole single-hole sound wave testing device |
| CN106761711B (en) * | 2016-12-26 | 2024-02-02 | 中石化江汉石油工程有限公司 | Multifunctional communication control system for downhole instrument |
| RU2722968C1 (en) * | 2019-08-22 | 2020-06-05 | Акционерное общество "Всероссийский научно-исследовательский институт "Градиент" | Acoustic active aerial objects detection device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916307A (en) * | 1974-02-14 | 1975-10-28 | Hekimian Laboratories Inc | Time jitter meter |
| GB1485663A (en) * | 1975-03-19 | 1977-09-14 | Mobil Oil Corp | Details of an uphole receiver for a logging-while-drilling system |
| US4007429A (en) * | 1976-01-19 | 1977-02-08 | Gte International Incorporated | Phase-locked loop having a switched lowpass filter |
-
1979
- 1979-02-14 NO NO790496A patent/NO790496L/en unknown
- 1979-02-22 IT IT20429/79A patent/IT1111989B/en active
- 1979-02-22 GR GR58435A patent/GR66583B/el unknown
- 1979-02-22 PH PH22226A patent/PH18212A/en unknown
- 1979-02-23 DE DE19792907085 patent/DE2907085A1/en not_active Withdrawn
- 1979-02-23 BR BR7901224A patent/BR7901224A/en unknown
- 1979-02-27 GB GB7906841A patent/GB2015307A/en not_active Withdrawn
- 1979-02-27 IN IN179/CAL/79A patent/IN153402B/en unknown
- 1979-02-27 FR FR7905021A patent/FR2434522A1/en not_active Withdrawn
- 1979-02-27 GB GB8115019A patent/GB2094578B/en not_active Expired
- 1979-02-27 GB GB8115020A patent/GB2087177B/en not_active Expired
- 1979-02-27 OA OA56744A patent/OA06193A/en unknown
- 1979-02-27 NL NL7901534A patent/NL191549C/en not_active IP Right Cessation
- 1979-02-27 AU AU44621/79A patent/AU524811B2/en not_active Ceased
- 1979-08-08 IE IE561/79A patent/IE48319B1/en not_active IP Right Cessation
- 1979-09-24 FR FR7924006A patent/FR2433860A1/en active Granted
-
1982
- 1982-07-06 AU AU85672/82A patent/AU8567282A/en not_active Abandoned
- 1982-07-06 AU AU85673/82A patent/AU8567382A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| NO790496L (en) | 1979-08-28 |
| BR7901224A (en) | 1979-10-02 |
| GB2015307A (en) | 1979-09-05 |
| AU8567282A (en) | 1982-11-04 |
| IT1111989B (en) | 1986-01-13 |
| OA06193A (en) | 1981-06-30 |
| FR2434522A1 (en) | 1980-03-21 |
| GB2094578A (en) | 1982-09-15 |
| IN153402B (en) | 1984-07-14 |
| FR2433860B1 (en) | 1984-02-24 |
| GB2094578B (en) | 1983-06-08 |
| NL191549C (en) | 1995-09-04 |
| GB2087177A (en) | 1982-05-19 |
| AU524811B2 (en) | 1982-10-07 |
| IE48319B1 (en) | 1984-12-12 |
| IT7920429A0 (en) | 1979-02-22 |
| AU4462179A (en) | 1979-10-18 |
| GR66583B (en) | 1981-03-27 |
| PH18212A (en) | 1985-04-30 |
| DE2907085A1 (en) | 1979-10-25 |
| AU8567382A (en) | 1982-12-23 |
| GB2087177B (en) | 1983-02-02 |
| NL191549B (en) | 1995-05-01 |
| IE790561L (en) | 1979-08-27 |
| FR2433860A1 (en) | 1980-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BT | A notification was added to the application dossier and made available to the public | ||
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19960901 |