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Keywords: aphron-base drilling fluidClose
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71377-MS
... to drill fractured and depleted zones. The use of aphron-base drilling fluids has proved to be a successful and cost-effective alternative to drilling underbalanced. Aphron Structure Description An aphron comprises two fundamental elements: 1 A core that is commonly, but not always, spherical...
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