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Level-Off Cement Plugging for Lost Circulation by Bahman A is a document available to read on EtoBox.
This paper describes a "level-off" cement plugging method for curing complete lost circulation. It involves pumping a volume of acid-soluble cement slurry below a retrievable packer set above the loss zone. The cement slurry is allowed to drop by gravity and penetrate the formation fractures/openings. As the wellbore pressure exceeds formation pressure, the cement can set and seal the loss zone. The paper provides the design calculations and parameters for this method, and compares them to results from two
- Author
- Bahman A
- Language
- EN