Title:
CONTINUOUS ON-BOTTOM DIRECTIONAL DRILLING METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2004/104358
Kind Code:
A2
Abstract:
A method of and system for directional drilling alternate between rotary drilling and sliding with the bit remaining in continuous contact with the bottom of the bore hole.
Inventors:
HACI MARC (US)
MAIDLA ERIC E (US)
MAIDLA ERIC E (US)
Application Number:
PCT/US2004/014461
Publication Date:
December 02, 2004
Filing Date:
May 06, 2004
Export Citation:
Assignee:
NOBLE DRILLING SERVICES INC (US)
HACI MARC (US)
MAIDLA ERIC E (US)
HACI MARC (US)
MAIDLA ERIC E (US)
International Classes:
E21B7/06; E21B44/00; E21B44/04; (IPC1-7): E21B/
Foreign References:
| US6494272B1 | 2002-12-17 | |||
| US6848518B2 | 2005-02-01 |
Attorney, Agent or Firm:
Jobe, Jonathan E. (P.C. 11625 Sawtooth Cour, Truckee CA, US)
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