DK3942339T3 - Elektro-akustisk transducer - Google Patents
Elektro-akustisk transducer Download PDFInfo
- Publication number
- DK3942339T3 DK3942339T3 DK20713981.7T DK20713981T DK3942339T3 DK 3942339 T3 DK3942339 T3 DK 3942339T3 DK 20713981 T DK20713981 T DK 20713981T DK 3942339 T3 DK3942339 T3 DK 3942339T3
- Authority
- DK
- Denmark
- Prior art keywords
- electro
- acoustic transducer
- acoustic
- transducer
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B47/24—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 positive mud pulses using a flow restricting valve within the drill pipe
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102019000004215A IT201900004215A1 (it) | 2019-03-22 | 2019-03-22 | Trasduttore elettro-acustico. |
PCT/IB2020/052527 WO2020194143A1 (en) | 2019-03-22 | 2020-03-19 | Electro-acoustic transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
DK3942339T3 true DK3942339T3 (da) | 2022-12-05 |
Family
ID=67002221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK20713981.7T DK3942339T3 (da) | 2019-03-22 | 2020-03-19 | Elektro-akustisk transducer |
Country Status (10)
Country | Link |
---|---|
US (1) | US11608738B2 (da) |
EP (1) | EP3942339B1 (da) |
CN (1) | CN113678026B (da) |
AU (1) | AU2020249999A1 (da) |
DK (1) | DK3942339T3 (da) |
EA (1) | EA202192307A1 (da) |
HR (1) | HRP20221491T1 (da) |
IT (1) | IT201900004215A1 (da) |
MX (1) | MX2021011368A (da) |
WO (1) | WO2020194143A1 (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11913327B2 (en) * | 2019-10-31 | 2024-02-27 | Schlumberger Technology Corporation | Downhole rotating connection |
CN115680637B (zh) * | 2022-08-25 | 2023-05-12 | 中国石油大学(北京) | 一种电磁式低频弯张单极子声波测井发射换能器 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU466346B1 (en) * | 1970-07-22 | 1972-01-27 | Institut Francais Du Petrone Des Carburants Et Lubrifiants | Devices for transmitting to ground level the values of opera ting parameters measured at bottom ofa well during a drilling operation |
US4702343A (en) * | 1986-03-18 | 1987-10-27 | Chevron Research Company | Nondestructive downhole seismic vibrator source and processes of utilizing the vibrator to obtain information about geologic formations |
US5283768A (en) * | 1991-06-14 | 1994-02-01 | Baker Hughes Incorporated | Borehole liquid acoustic wave transducer |
US5247490A (en) | 1992-06-04 | 1993-09-21 | Martin Marietta Corporation | Pressure-compensated optical acoustic sensor |
US5459697A (en) * | 1994-08-17 | 1995-10-17 | Halliburton Company | MWD surface signal detector having enhanced acoustic detection means |
US5615172A (en) * | 1996-04-22 | 1997-03-25 | Kotlyar; Oleg M. | Autonomous data transmission apparatus |
US7377169B2 (en) * | 2004-04-09 | 2008-05-27 | Shell Oil Company | Apparatus and methods for acoustically determining fluid properties while sampling |
NO325821B1 (no) * | 2006-03-20 | 2008-07-21 | Well Technology As | Anordning for akustisk brønntelemetri med trykk-kompenserte sender-/mottakerenheter |
US7944776B2 (en) * | 2007-05-11 | 2011-05-17 | Lockheed Martin Corporation | Engine and technique for generating an acoustic signal |
US8488415B2 (en) * | 2010-08-26 | 2013-07-16 | Curtis E. Graber | Submersible electro-dynamic acoustic projector |
CN103225505B (zh) * | 2013-04-28 | 2016-01-13 | 东营紫贝龙石油科技有限责任公司 | 一种高速泥浆脉冲发生器 |
CA2925789C (en) | 2013-10-31 | 2018-05-22 | Halliburton Energy Services, Inc. | Downhole telemetry systems with voice coil actuator |
CN104481518B (zh) * | 2014-11-03 | 2015-09-02 | 中国石油大学(华东) | 一种振荡剪切式泥浆脉冲发生器及控制方法 |
CN204419171U (zh) * | 2014-12-29 | 2015-06-24 | 杭州瑞利声电技术公司 | 一种声波测井换能器结构 |
US20160326869A1 (en) * | 2015-05-08 | 2016-11-10 | Ge Energy Oilfield Technology, Inc. | Piston Design for Downhole Pulser |
US9879528B2 (en) | 2015-12-15 | 2018-01-30 | Extensive Energy Technologies Partnership | Solenoid actuator for mud pulse telemetry |
-
2019
- 2019-03-22 IT IT102019000004215A patent/IT201900004215A1/it unknown
-
2020
- 2020-03-19 WO PCT/IB2020/052527 patent/WO2020194143A1/en active Application Filing
- 2020-03-19 EP EP20713981.7A patent/EP3942339B1/en active Active
- 2020-03-19 HR HRP20221491TT patent/HRP20221491T1/hr unknown
- 2020-03-19 MX MX2021011368A patent/MX2021011368A/es unknown
- 2020-03-19 DK DK20713981.7T patent/DK3942339T3/da active
- 2020-03-19 EA EA202192307A patent/EA202192307A1/ru unknown
- 2020-03-19 CN CN202080023299.6A patent/CN113678026B/zh active Active
- 2020-03-19 US US17/441,559 patent/US11608738B2/en active Active
- 2020-03-19 AU AU2020249999A patent/AU2020249999A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
MX2021011368A (es) | 2022-01-06 |
AU2020249999A1 (en) | 2021-11-11 |
EP3942339A1 (en) | 2022-01-26 |
CN113678026B (zh) | 2023-10-03 |
US11608738B2 (en) | 2023-03-21 |
IT201900004215A1 (it) | 2020-09-22 |
EP3942339B1 (en) | 2022-11-23 |
WO2020194143A1 (en) | 2020-10-01 |
CN113678026A (zh) | 2021-11-19 |
EA202192307A1 (ru) | 2021-12-20 |
HRP20221491T1 (hr) | 2023-02-03 |
US20220170364A1 (en) | 2022-06-02 |
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