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Keywords: emulsifier
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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170514-MS
... open-hole wireline logging is also imperative for perforating and further production from the typical thin layers of sandstone reservoir. New additives provide a thermally stable non-aqueous fluid (NAF) enabled logging and evaluation under the severe down-hole conditions. The novel emulsifier...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology, September 7–9, 1998
Paper Number: SPE-47772-MS
... emulsion, and back to the original invert emulsion using an acid-base chemical switch. The surfactants used in the reversible invert emulsion fluids are strong invert emulsifiers in the presence of lime. However, the same surfactants become regular emuisifiers in the presence of water-soluble acid...

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