NO131222B - - Google Patents
Download PDFInfo
- Publication number
- NO131222B NO131222B NO454070A NO454070A NO131222B NO 131222 B NO131222 B NO 131222B NO 454070 A NO454070 A NO 454070A NO 454070 A NO454070 A NO 454070A NO 131222 B NO131222 B NO 131222B
- Authority
- NO
- Norway
- Prior art keywords
- signal
- pressure measurement
- electrical pressure
- noise
- drilling fluid
- Prior art date
Links
- 238000005553 drilling Methods 0.000 claims description 37
- 238000009530 blood pressure measurement Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 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
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)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88444169A | 1969-12-12 | 1969-12-12 | |
| US5837870A | 1970-07-27 | 1970-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131222B true NO131222B (fr) | 1975-01-13 |
| NO131222C NO131222C (fr) | 1975-04-23 |
Family
ID=26737558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO454070A NO131222C (fr) | 1969-12-12 | 1970-11-26 |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA941499A (fr) |
| DE (1) | DE2060152A1 (fr) |
| GB (1) | GB1316617A (fr) |
| NL (1) | NL7017993A (fr) |
| NO (1) | NO131222C (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8004421B2 (en) | 2006-05-10 | 2011-08-23 | Schlumberger Technology Corporation | Wellbore telemetry and noise cancellation systems and method for the same |
| US8629782B2 (en) | 2006-05-10 | 2014-01-14 | Schlumberger Technology Corporation | System and method for using dual telemetry |
| CN106762456A (zh) * | 2017-02-22 | 2017-05-31 | 许继集团有限公司 | 一种风机主轴断裂检测方法及系统 |
-
1970
- 1970-11-26 NO NO454070A patent/NO131222C/no unknown
- 1970-12-07 GB GB5793570A patent/GB1316617A/en not_active Expired
- 1970-12-07 DE DE19702060152 patent/DE2060152A1/de active Pending
- 1970-12-09 NL NL7017993A patent/NL7017993A/xx unknown
- 1970-12-11 CA CA100,402A patent/CA941499A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA941499A (en) | 1974-02-05 |
| NL7017993A (fr) | 1971-06-15 |
| DE2060152A1 (de) | 1971-06-16 |
| NO131222C (fr) | 1975-04-23 |
| GB1316617A (en) | 1973-05-09 |
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