SEARCH RESULTS for assignee:"Schlumberger" AND invention-title:"drill"

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Patent(s)

(X0) 15142512: ACOUSTIC DETECTION OF DRILL PIPE CONNECTIONS

(A1) 20170314386: ACOUSTIC DETECTION OF DRILL PIPE CONNECTIONS

(B2) 1: ACOUSTIC DETECTION OF DRILL PIPE CONNECTIONS

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(X0) 14734100: TESTING OF DRILL PIPE INSPECTION EQUIPMENT

(A1) 20150361784: TESTING OF DRILL PIPE INSPECTION EQUIPMENT

(B2) 1: TESTING OF DRILL PIPE INSPECTION EQUIPMENT