GB2376965B - A method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system - Google Patents
A method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication systemInfo
- Publication number
- GB2376965B GB2376965B GB0218181A GB0218181A GB2376965B GB 2376965 B GB2376965 B GB 2376965B GB 0218181 A GB0218181 A GB 0218181A GB 0218181 A GB0218181 A GB 0218181A GB 2376965 B GB2376965 B GB 2376965B
- Authority
- GB
- United Kingdom
- Prior art keywords
- communication system
- electromagnetic signal
- downhole communication
- optimal predistortion
- predistortion
- 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
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
- E21B43/123—Gas lift valves
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
-
- 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
- E21B47/13—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 by electromagnetic energy, e.g. radio frequency
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18132200P | 2000-02-09 | 2000-02-09 | |
PCT/EP2001/001512 WO2001059258A1 (en) | 2000-02-09 | 2001-02-09 | A method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0218181D0 GB0218181D0 (en) | 2002-09-11 |
GB2376965A GB2376965A (en) | 2002-12-31 |
GB2376965B true GB2376965B (en) | 2004-02-18 |
Family
ID=22663794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0218181A Expired - Fee Related GB2376965B (en) | 2000-02-09 | 2001-02-09 | A method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2001237374A1 (en) |
CA (1) | CA2399130C (en) |
GB (1) | GB2376965B (en) |
WO (1) | WO2001059258A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9303507B2 (en) | 2013-01-31 | 2016-04-05 | Saudi Arabian Oil Company | Down hole wireless data and power transmission system |
CN117052380B (en) * | 2023-10-10 | 2024-01-02 | 四川宏大安全技术服务有限公司 | Wireless pressure measurement device and method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4648471A (en) * | 1983-11-02 | 1987-03-10 | Schlumberger Technology Corporation | Control system for borehole tools |
EP0295178A2 (en) * | 1987-06-10 | 1988-12-14 | Schlumberger Limited | System and method for communicating signals in a cased borehole having tubing |
EP0492856A2 (en) * | 1990-12-20 | 1992-07-01 | AT&T Corp. | Predistortion technique for communications systems |
US5160925A (en) * | 1991-04-17 | 1992-11-03 | Smith International, Inc. | Short hop communication link for downhole mwd system |
US5959499A (en) * | 1997-09-30 | 1999-09-28 | Motorola, Inc. | Predistortion system and method using analog feedback loop for look-up table training |
-
2001
- 2001-02-09 WO PCT/EP2001/001512 patent/WO2001059258A1/en active IP Right Grant
- 2001-02-09 GB GB0218181A patent/GB2376965B/en not_active Expired - Fee Related
- 2001-02-09 AU AU2001237374A patent/AU2001237374A1/en not_active Abandoned
- 2001-02-09 CA CA002399130A patent/CA2399130C/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4648471A (en) * | 1983-11-02 | 1987-03-10 | Schlumberger Technology Corporation | Control system for borehole tools |
EP0295178A2 (en) * | 1987-06-10 | 1988-12-14 | Schlumberger Limited | System and method for communicating signals in a cased borehole having tubing |
EP0492856A2 (en) * | 1990-12-20 | 1992-07-01 | AT&T Corp. | Predistortion technique for communications systems |
US5160925A (en) * | 1991-04-17 | 1992-11-03 | Smith International, Inc. | Short hop communication link for downhole mwd system |
US5160925C1 (en) * | 1991-04-17 | 2001-03-06 | Halliburton Co | Short hop communication link for downhole mwd system |
US5959499A (en) * | 1997-09-30 | 1999-09-28 | Motorola, Inc. | Predistortion system and method using analog feedback loop for look-up table training |
Also Published As
Publication number | Publication date |
---|---|
GB2376965A (en) | 2002-12-31 |
GB0218181D0 (en) | 2002-09-11 |
AU2001237374A1 (en) | 2001-08-20 |
CA2399130C (en) | 2009-06-02 |
CA2399130A1 (en) | 2001-08-16 |
WO2001059258A1 (en) | 2001-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20160209 |