DK137935C - - Google Patents
Info
- Publication number
- DK137935C DK137935C DK394173A DK394173A DK137935C DK 137935 C DK137935 C DK 137935C DK 394173 A DK394173 A DK 394173A DK 394173 A DK394173 A DK 394173A DK 137935 C DK137935 C DK 137935C
- Authority
- DK
- Denmark
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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- 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)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
- Soil Working Implements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27281972A | 1972-07-18 | 1972-07-18 | |
US00272838A US3800277A (en) | 1972-07-18 | 1972-07-18 | Method and apparatus for surface-to-downhole communication |
Publications (2)
Publication Number | Publication Date |
---|---|
DK137935B DK137935B (da) | 1978-06-05 |
DK137935C true DK137935C (da) | 1978-10-30 |
Family
ID=26955761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK394173AA DK137935B (da) | 1972-07-18 | 1973-07-17 | Fremgangsmåde ved og anlæg til styring fra jordoverfladen af måleoperationer i et borehul. |
Country Status (7)
Country | Link |
---|---|
DK (1) | DK137935B (da) |
GB (1) | GB1390571A (da) |
IE (1) | IE39563B1 (da) |
MY (1) | MY7500208A (da) |
NL (1) | NL176964C (da) |
NO (1) | NO142017C (da) |
OA (1) | OA04443A (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK34192D0 (da) * | 1992-03-13 | 1992-03-13 | Htc As | Traktor til fremfoering af bearbejdnings- og maaleudstyr i et borehul |
US20030142586A1 (en) * | 2002-01-30 | 2003-07-31 | Shah Vimal V. | Smart self-calibrating acoustic telemetry system |
US7394064B2 (en) | 2004-10-05 | 2008-07-01 | Halliburton Energy Services, Inc. | Measuring the weight on a drill bit during drilling operations using coherent radiation |
-
1973
- 1973-04-12 IE IE588/73A patent/IE39563B1/xx unknown
- 1973-04-16 NO NO1603/73A patent/NO142017C/no unknown
- 1973-04-17 GB GB1846873A patent/GB1390571A/en not_active Expired
- 1973-07-10 OA OA54962A patent/OA04443A/xx unknown
- 1973-07-17 DK DK394173AA patent/DK137935B/da not_active IP Right Cessation
- 1973-07-18 NL NLAANVRAGE7310027,A patent/NL176964C/xx not_active IP Right Cessation
-
1975
- 1975-12-30 MY MY208/75A patent/MY7500208A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IE39563B1 (en) | 1978-11-08 |
MY7500208A (en) | 1975-12-31 |
GB1390571A (en) | 1975-04-16 |
NL176964B (nl) | 1985-02-01 |
NL7310027A (da) | 1974-01-22 |
DK137935B (da) | 1978-06-05 |
NL176964C (nl) | 1985-07-01 |
NO142017C (no) | 1980-06-11 |
IE39563L (en) | 1974-01-18 |
NO142017B (no) | 1980-03-03 |
OA04443A (fr) | 1980-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |