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Keywords: petro-free mudClose
Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-KK
... Often confusing and unexpected neutron/density (N/D tool responses have been observed from using exotic muds such as petro-free, low-invasion, and formate-based mud to drill wells. For example, it was reported previously that use of petro-free mud in Nigeria, as an alternative to standard oil...
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