Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Inverted tapered casing string for a shallow, long reach well

Journal Article · · JPT, Journal of Petroleum Technology
OSTI ID:465178
Exxon Co. U.S.A. recently drilled and completed a shallow, long-reach Gulf of Mexico (GOM) well with a measured/true-vertical depth ratio (MD/TVD) of 2.95. Critical aspects of the planning phase included designing casing and drillstrings. Drag-modeling revealed that, as an alternative to buoyancy assist, designing the production casing as an inverted tapered casing string would enable running it to bottom successfully. By incorporating this design, trip-profile modeling revealed a high probability for casing the production hole with a single string of casing, thereby eliminating the need for a liner.
OSTI ID:
465178
Journal Information:
JPT, Journal of Petroleum Technology, Journal Name: JPT, Journal of Petroleum Technology Journal Issue: 4 Vol. 49; ISSN 0149-2136; ISSN JPTJAM
Country of Publication:
United States
Language:
English

Similar Records

State-of-the-art approaches are the key to successful ERD
Journal Article · Sun Dec 31 23:00:00 EST 1995 · World Oil · OSTI ID:175999

Batch drilling in the North Sea expedites extended-reach drilling
Journal Article · Mon Jun 09 00:00:00 EDT 1997 · Oil and Gas Journal · OSTI ID:495451

Rotation of a long liner in a shallow long-reach well
Journal Article · Fri Mar 31 23:00:00 EST 1989 · J. Pet. Technol.; (United States) · OSTI ID:6373165