GB2402420B - Method and apparatus for downhole fluid pressure signal generation and transmission - Google Patents
Method and apparatus for downhole fluid pressure signal generation and transmissionInfo
- Publication number
- GB2402420B GB2402420B GB0419668A GB0419668A GB2402420B GB 2402420 B GB2402420 B GB 2402420B GB 0419668 A GB0419668 A GB 0419668A GB 0419668 A GB0419668 A GB 0419668A GB 2402420 B GB2402420 B GB 2402420B
- Authority
- GB
- United Kingdom
- Prior art keywords
- transmission
- fluid pressure
- signal generation
- pressure signal
- downhole fluid
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 title 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 title 1
- 230000008054 signal transmission Effects 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
- E21B47/24—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measuring Fluid Pressure (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20941800P | 2000-06-05 | 2000-06-05 | |
US09/843,634 US6604582B2 (en) | 2000-06-05 | 2001-04-26 | Downhole fluid pressure signal generation and transmission |
GB0228117A GB2381028B (en) | 2000-06-05 | 2001-05-09 | Method and apparatus for downhole fluid pressure signal generation and transmission |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0419668D0 GB0419668D0 (en) | 2004-10-06 |
GB2402420A GB2402420A (en) | 2004-12-08 |
GB2402420B true GB2402420B (en) | 2005-02-09 |
Family
ID=33458149
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0419669A Expired - Fee Related GB2402421B (en) | 2000-06-05 | 2001-05-09 | Method and apparatus for downhole fluid pressure signal generation and transmission |
GB0419668A Expired - Fee Related GB2402420B (en) | 2000-06-05 | 2001-05-09 | Method and apparatus for downhole fluid pressure signal generation and transmission |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0419669A Expired - Fee Related GB2402421B (en) | 2000-06-05 | 2001-05-09 | Method and apparatus for downhole fluid pressure signal generation and transmission |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2402421B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7913772B2 (en) | 2006-06-09 | 2011-03-29 | Halliburton Energy Services, Inc. | Drilling fluid flow diverter |
US9879529B2 (en) * | 2015-05-18 | 2018-01-30 | Baker Hughes, A Ge Company, Llc | Apparatus for generating pulses in fluid during drilling of wellbores |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3958217A (en) * | 1974-05-10 | 1976-05-18 | Teleco Inc. | Pilot operated mud-pulse valve |
US4519574A (en) * | 1982-09-14 | 1985-05-28 | Norton Christensen, Inc. | Auxiliary controlled valve disposed in a drilling string |
EP0747570A1 (en) * | 1992-12-07 | 1996-12-11 | Akishima Laboratories (Mitsui Zosen) Inc. | Mid pulse valve for measurement-while-drilling system |
-
2001
- 2001-05-09 GB GB0419669A patent/GB2402421B/en not_active Expired - Fee Related
- 2001-05-09 GB GB0419668A patent/GB2402420B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3958217A (en) * | 1974-05-10 | 1976-05-18 | Teleco Inc. | Pilot operated mud-pulse valve |
US4519574A (en) * | 1982-09-14 | 1985-05-28 | Norton Christensen, Inc. | Auxiliary controlled valve disposed in a drilling string |
EP0747570A1 (en) * | 1992-12-07 | 1996-12-11 | Akishima Laboratories (Mitsui Zosen) Inc. | Mid pulse valve for measurement-while-drilling system |
Also Published As
Publication number | Publication date |
---|---|
GB2402421B (en) | 2005-02-09 |
GB0419669D0 (en) | 2004-10-06 |
GB2402420A (en) | 2004-12-08 |
GB2402421A (en) | 2004-12-08 |
GB0419668D0 (en) | 2004-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20150509 |