Research Article
The Preparation and Performances of Self-Dispersed Nanomicron Emulsified Wax Solid Lubricant Ewax for Drilling Fluids
Table 1
Lubricity evaluation of Ewax in different based mud and at different temperature.
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Remarks: afresh water based mud is 5.2% bentonite based mud; bbrine based mud is 5.2% bentonite based mud adding 4.0% NaCl. |