Affiliation:
1. O'Brien-Goins-Simpson & Assoes. Inc.
2. Consultant
Abstract
Summary
This paper presents laboratory and field results showing that an environmentally acceptable water-based mud (WBM) can be formulated to act like an oil-based mud (OBM) in preventing hydration, pore-pressure increase, and weakening of shale by effectively developing sufficient osmotic force to offset the hydraulic forces acting to cause water flux into the shale. We also show that this methyl glucoside system has other performance characteristics similar to OBM's, such as lubricity, filtration control, and tolerance for common WBM contaminants, thus meeting the needs for drilling high-angle or even extended-reach wells.
Publisher
Society of Petroleum Engineers (SPE)
Subject
Mechanical Engineering,Energy Engineering and Power Technology
Cited by
27 articles.
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