CA2470305A1 - Techniques de jumelage de puits pour mesures et controles dans les sondages - Google Patents

Techniques de jumelage de puits pour mesures et controles dans les sondages Download PDF

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Publication number
CA2470305A1
CA2470305A1 CA 2470305 CA2470305A CA2470305A1 CA 2470305 A1 CA2470305 A1 CA 2470305A1 CA 2470305 CA2470305 CA 2470305 CA 2470305 A CA2470305 A CA 2470305A CA 2470305 A1 CA2470305 A1 CA 2470305A1
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CA
Canada
Prior art keywords
positions
borehole
target
magnetic field
subterranean structure
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.)
Granted
Application number
CA 2470305
Other languages
English (en)
Other versions
CA2470305C (fr
Inventor
Graham A. Mcelhinney
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.)
Smith International Inc
Original Assignee
PathFinder Energy Services Inc
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 GBGB0313281.8A external-priority patent/GB0313281D0/en
Application filed by PathFinder Energy Services Inc filed Critical PathFinder Energy Services Inc
Publication of CA2470305A1 publication Critical patent/CA2470305A1/fr
Application granted granted Critical
Publication of CA2470305C publication Critical patent/CA2470305C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Geophysics And Detection Of Objects (AREA)
CA 2470305 2003-06-09 2004-06-08 Techniques de jumelage de puits pour mesures et controles dans les sondages Expired - Fee Related CA2470305C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB0313281.8A GB0313281D0 (en) 2003-06-09 2003-06-09 Well twinning techniques in borehole surveying
GB0313281.8 2003-06-09
GB0404336A GB2402746B (en) 2003-06-09 2004-02-27 Well twinning techniques in borehole surveying
GB0404336.0 2004-02-27

Publications (2)

Publication Number Publication Date
CA2470305A1 true CA2470305A1 (fr) 2004-12-09
CA2470305C CA2470305C (fr) 2010-05-25

Family

ID=33566536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2470305 Expired - Fee Related CA2470305C (fr) 2003-06-09 2004-06-08 Techniques de jumelage de puits pour mesures et controles dans les sondages

Country Status (2)

Country Link
CA (1) CA2470305C (fr)
NO (1) NO336516B1 (fr)

Also Published As

Publication number Publication date
CA2470305C (fr) 2010-05-25
NO336516B1 (no) 2015-09-14
NO20042391L (no) 2004-12-10

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Effective date: 20200831