Title:
SYSTEM AND METHOD FOR SUBTERRANEAN ACCESS
Document Type and Number:
WIPO Patent Application WO2004018835
Kind Code:
A3
Abstract:
A system for accessing a subterranean zone from the surface includes a first, second and third entry well bore extending from the surface, the first, second and third entry well bores (15) located on the same drilling pad (92) at the surface. A slanted well bore (20) extends from each of the entry well bores to the subterranean zone (22). A substantially horizontal drainage pattern extends from the slanted well bores into the subterranean zone.
Inventors:
ZUPANICK JOSEPH A
Application Number:
PCT/US2003/026124
Publication Date:
March 25, 2004
Filing Date:
August 21, 2003
Export Citation:
Assignee:
CDX GAS LLC (US)
International Classes:
E21B43/00; E21B43/14; E21B43/30; (IPC1-7): E21B43/00; E21B43/14; E21B43/30
Domestic Patent References:
| WO2002061238A1 | 2002-08-08 | |||
| WO2002059455A1 | 2002-08-01 |
Foreign References:
| US20020108746A1 | 2002-08-15 |
Other References:
PASICZYNK A: "EVOLUTION SIMPLIFIES MULTILATERAL WELLS", PETROLEUM ENGINEER INTERNATIONAL, HART PUBLICATIONS, US, vol. 73, no. 6, June 2000 (2000-06-01), pages 53 - 55, XP000969304, ISSN: 0164-8322
BREANT P: "DES PUITS >CHEZ TOTAL: LES PUITS MULTI-DRAINS. UNE NOUVELLE TECHNOLOGIE DE FORAGE AU SERVICE D'UN DEVELOPPEMENT OPTIMISE DES RESERVES D'HYDROCARBURES", PETROLE ET TECHNIQUES, ASSOCIATION FRANCAISE DES TECHNICIENS DU PETROLE. PARIS, FR, no. 418, January 1999 (1999-01-01), pages 42 - 46, XP000846928, ISSN: 0152-5425
"MULTILATERAL SYSTEM WITH FULL RE-ENTRY ACCESS INSTALLED", WORLD OIL, GULF PUBLISHING CO. HOUSTON, US, vol. 217, no. 6, 1 June 1996 (1996-06-01), pages 29, XP000596577, ISSN: 0043-8790
See also references of EP 1546505A2
BREANT P: "DES PUITS >CHEZ TOTAL: LES PUITS MULTI-DRAINS. UNE NOUVELLE TECHNOLOGIE DE FORAGE AU SERVICE D'UN DEVELOPPEMENT OPTIMISE DES RESERVES D'HYDROCARBURES", PETROLE ET TECHNIQUES, ASSOCIATION FRANCAISE DES TECHNICIENS DU PETROLE. PARIS, FR, no. 418, January 1999 (1999-01-01), pages 42 - 46, XP000846928, ISSN: 0152-5425
"MULTILATERAL SYSTEM WITH FULL RE-ENTRY ACCESS INSTALLED", WORLD OIL, GULF PUBLISHING CO. HOUSTON, US, vol. 217, no. 6, 1 June 1996 (1996-06-01), pages 29, XP000596577, ISSN: 0043-8790
See also references of EP 1546505A2
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