Forming a wellbore casing while simultaneously drilling a wellbore
US6892819B2 · kind B2 · utility
103Cited by
417References
63Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2001 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Sep 28, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49938
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus including a support member, the support member including a first fluid passage, a mandrel coupled to the support member, the mandrel including: a second fluid passage, a tubular member coupled to the mandrel, and shoe coupled to the tubular liner, the shoe including a third fluid passage, and a drilling assembly coupled to the shoe, wherein the first, second and third fluid passages and the drilling assembly are operably coupled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.