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Vol. 59 No. 9

September 2007

Wellbore Integrity, Sand Management, and Frac Pack

High-Collapse, Cost-Effective Solid-Expandable-Monobore Systems Mitigate Subsalt Rubble Zones

The reduction of wellbore diameter during well construction has been addressed partially through use of conventional solid-expandable openhole liners. However, these systems still reduce pass-through diameters and in most cases necessitate significant deviation from the well’s basis of design (BOD). For years, end users of solid-expandable liners have needed a simple, cost-effective means of extending casing shoes while maintaining the same wellbore pass-through diameter. The full-length paper describes the application of well-construction techniques using a set of high-collapse, cost-effective mono-bore systems.

View a Synopsis of OTC 19008 as published in JPT.

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper OTC 19008, “Mitigating Subsalt Rubble Zones Using High-Collapse, Cost-Effective Solid Expandable Monobore Systems,” by Edwin J. Cruz and Robert V. Baker, SPE, BP plc, and Pat York, SPE, and Lev Ring, SPE, Weatherford, prepared for the 2007 Offshore Technology Conference, Houston, 30 April–3 May.

Copyright 2007 Offshore Technology Conference. Reproduced by permission.

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The full-length paper is available for purchase at the OTC Library.  The paper has not been peer reviewed.