GB9120854D0 - Downhole tool - Google Patents
Downhole toolInfo
- Publication number
- GB9120854D0 GB9120854D0 GB919120854A GB9120854A GB9120854D0 GB 9120854 D0 GB9120854 D0 GB 9120854D0 GB 919120854 A GB919120854 A GB 919120854A GB 9120854 A GB9120854 A GB 9120854A GB 9120854 D0 GB9120854 D0 GB 9120854D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- downhole tool
- downhole
- tool
- 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.)
- Pending
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
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)
- Earth Drilling (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919120854A GB9120854D0 (en) | 1991-10-01 | 1991-10-01 | Downhole tool |
DE69210155T DE69210155T2 (en) | 1991-10-01 | 1992-09-11 | Pressure pulse generator for a device for borehole measurements during drilling |
EP92308277A EP0535815B1 (en) | 1991-10-01 | 1992-09-11 | Pressure pulse generator for measurement-while-drilling tool |
NO923797A NO306221B1 (en) | 1991-10-01 | 1992-09-30 | Brönnverktöy for generating pressure pulses in a drilling fluid flowing through a drill string |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919120854A GB9120854D0 (en) | 1991-10-01 | 1991-10-01 | Downhole tool |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9120854D0 true GB9120854D0 (en) | 1991-11-13 |
Family
ID=10702253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB919120854A Pending GB9120854D0 (en) | 1991-10-01 | 1991-10-01 | Downhole tool |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0535815B1 (en) |
DE (1) | DE69210155T2 (en) |
GB (1) | GB9120854D0 (en) |
NO (1) | NO306221B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6970398B2 (en) | 2003-02-07 | 2005-11-29 | Schlumberger Technology Corporation | Pressure pulse generator for downhole tool |
US9000939B2 (en) | 2011-09-27 | 2015-04-07 | Halliburton Energy Services, Inc. | Mud powered inertia drive oscillating pulser |
CN102562035B (en) * | 2012-01-12 | 2015-09-30 | 中国海洋石油总公司 | Underground engineering parameter measurement-while-drilling device |
CN103410500B (en) * | 2013-07-26 | 2016-02-10 | 西南石油大学 | A kind of underground drill stem vibration monitoring while drilling apparatus and method |
US10508496B2 (en) | 2016-12-14 | 2019-12-17 | Directional Vibration Systems Inc. | Downhole vibration tool |
CA3161876A1 (en) | 2019-12-18 | 2021-06-24 | Baker Hughes Oilfield Operations, Llc | Oscillating shear valve for mud pulse telemetry and operation thereof |
GB2610747B (en) | 2020-06-02 | 2024-05-22 | Baker Hughes Oilfield Operations Llc | Angle-depending valve release unit for shear valve pulser |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1268052A (en) * | 1986-01-29 | 1990-04-24 | William Gordon Goodsman | Measure while drilling systems |
US4847815A (en) * | 1987-09-22 | 1989-07-11 | Anadrill, Inc. | Sinusoidal pressure pulse generator for measurement while drilling tool |
GB2214541B (en) * | 1988-01-19 | 1991-06-26 | Michael King Russell | Signal transmitters |
GB9101576D0 (en) * | 1991-01-24 | 1991-03-06 | Halliburton Logging Services | Downhole tool |
-
1991
- 1991-10-01 GB GB919120854A patent/GB9120854D0/en active Pending
-
1992
- 1992-09-11 DE DE69210155T patent/DE69210155T2/en not_active Expired - Lifetime
- 1992-09-11 EP EP92308277A patent/EP0535815B1/en not_active Expired - Lifetime
- 1992-09-30 NO NO923797A patent/NO306221B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69210155D1 (en) | 1996-05-30 |
EP0535815B1 (en) | 1996-04-24 |
DE69210155T2 (en) | 1996-09-19 |
EP0535815A1 (en) | 1993-04-07 |
NO923797L (en) | 1993-04-02 |
NO306221B1 (en) | 1999-10-04 |
NO923797D0 (en) | 1992-09-30 |
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