CA2447468C - Structures d'antenne simplifiees pour appareils de diagraphie - Google Patents
Structures d'antenne simplifiees pour appareils de diagraphie Download PDFInfo
- Publication number
- CA2447468C CA2447468C CA 2447468 CA2447468A CA2447468C CA 2447468 C CA2447468 C CA 2447468C CA 2447468 CA2447468 CA 2447468 CA 2447468 A CA2447468 A CA 2447468A CA 2447468 C CA2447468 C CA 2447468C
- Authority
- CA
- Canada
- Prior art keywords
- antenna
- electrical conductor
- conductive core
- core
- coil
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/04—Adaptation for subterranean or subaqueous use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Landscapes
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/065,599 US6930652B2 (en) | 2002-03-29 | 2002-11-01 | Simplified antenna structures for logging tools |
US10/065,599 | 2002-11-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2447468A1 CA2447468A1 (fr) | 2004-05-01 |
CA2447468C true CA2447468C (fr) | 2009-06-02 |
Family
ID=32467259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2447468 Expired - Fee Related CA2447468C (fr) | 2002-11-01 | 2003-10-29 | Structures d'antenne simplifiees pour appareils de diagraphie |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2447468C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112392462A (zh) * | 2020-12-09 | 2021-02-23 | 中国石油天然气集团有限公司 | 一种层间界面测量用接收线圈阵列及测量系统 |
-
2003
- 2003-10-29 CA CA 2447468 patent/CA2447468C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2447468A1 (fr) | 2004-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20191029 |