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BR9700848A - Aparelho e processo para perfuração direcional usando tubulação em espiral - Google Patents

Aparelho e processo para perfuração direcional usando tubulação em espiral

Info

Publication number
BR9700848A
BR9700848A BR9700848A BR9700848A BR9700848A BR 9700848 A BR9700848 A BR 9700848A BR 9700848 A BR9700848 A BR 9700848A BR 9700848 A BR9700848 A BR 9700848A BR 9700848 A BR9700848 A BR 9700848A
Authority
BR
Brazil
Prior art keywords
directional drilling
spiral tubing
tubing
spiral
drilling
Prior art date
Application number
BR9700848A
Other languages
English (en)
Inventor
Alain P Dorel
Original Assignee
Anadrill Int Sa
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
Application filed by Anadrill Int Sa filed Critical Anadrill Int Sa
Publication of BR9700848A publication Critical patent/BR9700848A/pt

Links

BR9700848A 1996-02-07 1997-02-03 Aparelho e processo para perfuração direcional usando tubulação em espiral BR9700848A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1126896P 1996-02-07 1996-02-07

Publications (1)

Publication Number Publication Date
BR9700848A true BR9700848A (pt) 1998-09-01

Family

ID=21749617

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9700848A BR9700848A (pt) 1996-02-07 1997-02-03 Aparelho e processo para perfuração direcional usando tubulação em espiral

Country Status (1)

Country Link
BR (1) BR9700848A (pt)

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)