SE8604792L - Fiberoptisk dataoverforing vid borrhalslogging - Google Patents
Fiberoptisk dataoverforing vid borrhalsloggingInfo
- Publication number
- SE8604792L SE8604792L SE8604792A SE8604792A SE8604792L SE 8604792 L SE8604792 L SE 8604792L SE 8604792 A SE8604792 A SE 8604792A SE 8604792 A SE8604792 A SE 8604792A SE 8604792 L SE8604792 L SE 8604792L
- Authority
- SE
- Sweden
- Prior art keywords
- data transfer
- optical data
- fiber optical
- logging
- drill
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Led Devices (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Steroid Compounds (AREA)
- Prostheses (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8604792A SE8604792L (sv) | 1986-11-07 | 1986-11-07 | Fiberoptisk dataoverforing vid borrhalslogging |
NO874606A NO172406C (no) | 1986-11-07 | 1987-11-04 | Fremgangsmaate og system for selvkompenserende, fiberoptisk datatransmisjon ved temperaturer opp til 200oc |
GB08726059A GB2197764A (en) | 1986-11-07 | 1987-11-06 | System and method for self-compensating fibre-optic data transmission at temperatures up to 200oc |
US07/117,534 US4893354A (en) | 1986-11-07 | 1987-11-06 | System and method for self-compensating fiber-optic data transmission at temperatures up to 200 degrees C. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8604792A SE8604792L (sv) | 1986-11-07 | 1986-11-07 | Fiberoptisk dataoverforing vid borrhalslogging |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8604792D0 SE8604792D0 (sv) | 1986-11-07 |
SE8604792L true SE8604792L (sv) | 1988-05-08 |
Family
ID=20366230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8604792A SE8604792L (sv) | 1986-11-07 | 1986-11-07 | Fiberoptisk dataoverforing vid borrhalslogging |
Country Status (4)
Country | Link |
---|---|
US (1) | US4893354A (sv) |
GB (1) | GB2197764A (sv) |
NO (1) | NO172406C (sv) |
SE (1) | SE8604792L (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2228641B (en) * | 1989-02-28 | 1994-03-23 | Megger Instr Ltd | Measuring instrument |
US5363095A (en) * | 1993-06-18 | 1994-11-08 | Sandai Corporation | Downhole telemetry system |
GB2329756A (en) | 1997-09-25 | 1999-03-31 | Univ Bristol | Assemblies of light emitting diodes |
US6282817B1 (en) * | 1998-07-25 | 2001-09-04 | W.O.W., Inc. | Apparatus and method for lacing |
US7320593B2 (en) * | 2000-03-08 | 2008-01-22 | Tir Systems Ltd. | Light emitting diode light source for curing dental composites |
WO2004038759A2 (en) * | 2002-08-23 | 2004-05-06 | Dahm Jonathan S | Method and apparatus for using light emitting diodes |
GB0312419D0 (en) * | 2003-05-30 | 2003-07-02 | Boots Healthcare Int Ltd | Use of a compound in the treatment of sleep disorders and the like, in providing refreshedness on waking and a method for the treatment of grogginess |
US8047686B2 (en) * | 2006-09-01 | 2011-11-01 | Dahm Jonathan S | Multiple light-emitting element heat pipe assembly |
US20110019178A1 (en) * | 2009-07-22 | 2011-01-27 | Christos Vlatas | Method for post processing fiber optic strain measurement data |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4243952A (en) * | 1978-10-30 | 1981-01-06 | Rca Corporation | Temperature compensated bias circuit for semiconductor lasers |
US4609873A (en) * | 1980-01-04 | 1986-09-02 | Texaco Inc. | Dielectric well logging system with at least three transmitter coils and at least two receiver coils for determining resistivity and dielectric constant of a subsurface formation adjacent a fluid invaded zone of the formation |
FR2495412A1 (fr) * | 1980-12-02 | 1982-06-04 | Thomson Csf | Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu |
US4547774A (en) * | 1981-07-20 | 1985-10-15 | Optelcom, Inc. | Optical communication system for drill hole logging |
US4485475A (en) * | 1983-05-27 | 1984-11-27 | The Mitre Corporation | Optical source peak wavelength control using a wavelength feedback network |
-
1986
- 1986-11-07 SE SE8604792A patent/SE8604792L/sv not_active Application Discontinuation
-
1987
- 1987-11-04 NO NO874606A patent/NO172406C/no unknown
- 1987-11-06 GB GB08726059A patent/GB2197764A/en not_active Withdrawn
- 1987-11-06 US US07/117,534 patent/US4893354A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO874606L (no) | 1988-05-09 |
NO172406C (no) | 1993-07-14 |
NO172406B (no) | 1993-04-05 |
GB2197764A (en) | 1988-05-25 |
NO874606D0 (no) | 1987-11-04 |
GB8726059D0 (en) | 1987-12-09 |
SE8604792D0 (sv) | 1986-11-07 |
US4893354A (en) | 1990-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8604792-5 Effective date: 19880901 |