By Bill Rehm, Arash Haghshenas, Amir Saman Paknejad, Abdullah Al-Yami, Jim Hughes
The current crude oil and ordinary fuel reservoirs around the globe have depleted traditional creation degrees. To proceed bettering productiveness for the remainder mature reservoirs, drilling decision-makers may well now not depend on conventional balanced or overbalanced tools of drilling. Derived from traditional air drilling, underbalanced drilling is more and more essential to meet ultra-modern power and drilling wishes. whereas extra expensive and severe, underbalanced drilling can reduce strain in the formation, raise drilling cost of penetration, lessen formation harm and misplaced move, making mature reservoirs once more practicable and extra efficient. To extra clarify this crucial drilling strategy, invoice Rehm, an skilled legend in drilling with his co-editors, has compiled a instruction manual ideal for the drilling manager.
Underbalanced Drilling: Limits and Extremes, written less than the auspices of the IADC Technical courses Committee, comprise many nice beneficial properties and contributions together with:
- Real case experiences shared via significant carrier businesses to offer the reader directions on what may possibly take place in genuine operations
- Questions and solutions on the finish of the chapters for upcoming engineers to check their knowledge
- Common techniques, ordinary and specified gear concerned, and most significantly, the bounds and demanding situations that also encompass this technology
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Extra resources for Underbalanced Drilling: Limits and Extremes
Example text
Stone, R. Tripping Operations of Managed Pressure Drilling, Presented at the IADC/SPE Managed Pressure and Underbalanced Conference, Denver, CO, USA, 2009. 11 Introduction The following drilling techniques are important to underbalanced drilling because they are part of daily operations for most wells. Well Control, Stripping, Mud Caps, and “Pipe Light” are placed in this section to avoid repetition in the following chapters. 12 Well Control in Underbalanced Drilling The basic concepts of well control and actual operating procedures are a part of underbalanced drilling operations.
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Challenges with Jointed Pipe Underbalanced Operations,” SPE 37066 presented at the SPE International Conference on Horizontal Well Technology, Calgary, Alberta, Canada, November 18–20, 1996. 8 Ralmalho, J. “Changing the Look and Feel of UBD Requires Industry to Break Out of Conventional Thinking,” Drilling Contractor, July/August 2007, pp. 62–67. 10 Hoffman, M. “Damaging Relative Permeability by Drilling, Completion and Production Operations,” The Mountain Geologist, 45, No. 4, October 8, 2008, pp.