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TECHNIQUES FOR DETERMINING CHARACTERISTICS OF SUBTERRANEAN FORMATIONS
US 3,427,652 A
Filed
: 01/29/1965
Issued
: 02/11/1969
Est. Priority Date
: 01/29/1965
Status: Expired due to Term
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Current Assignee
Orum E. Seay
Original Assignee
Orum E. Seay
Inventors
Seay, Orum E.
Application Number
US04/429,044
Time in Patent Office
1,474 Days
Field of Search
US Class Current
166/250.1
CPC Class Codes
E21B 43/26
by forming crevices or frac...
E21B 47/02
Determining slope or direction
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