CA2447468C - Structures d'antenne simplifiees pour appareils de diagraphie - Google Patents

Structures d'antenne simplifiees pour appareils de diagraphie Download PDF

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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
Application number
CA 2447468
Other languages
English (en)
Other versions
CA2447468A1 (fr
Inventor
David L. Smith
Anthony L. Collins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Original Assignee
Schlumberger Canada Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US10/065,599 external-priority patent/US6930652B2/en
Application filed by Schlumberger Canada Ltd filed Critical Schlumberger Canada Ltd
Publication of CA2447468A1 publication Critical patent/CA2447468A1/fr
Application granted granted Critical
Publication of CA2447468C publication Critical patent/CA2447468C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA 2447468 2002-11-01 2003-10-29 Structures d'antenne simplifiees pour appareils de diagraphie Expired - Fee Related CA2447468C (fr)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA2447468A1 (fr) 2004-05-01

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EEER Examination request
MKLA Lapsed

Effective date: 20191029