WASHING LIQUID OF THE DRILLING WELL, INCLUDING A LUBRICANT COMPOSITION, METHOD OF REGULATING THE LUBRICATION OF THE WASHING LIQUID OF THE DRILLING WELL, WAYING THE APPLICATION OF THE METHOD TO WASHING WATER TURNING WRITTLE THERE WIRING WRITTLE THERE WRITTLE-THERE WIRING WRITTLE THERE WRITTLE THERE WIRING WRITTLE WIRING WRITTLE WIRING WRITTLE WRITTLE WRITTLE WRITTLE WRITTLE WELL BOTTLE WELL BOTTLE, WATER BOTTOM, WATER BOTTOM

摘要

The present invention relates to a drilling fluid of a borehole, which includes a lubricant composition containing at least one non-ionic amphiphilic compound obtained by reacting at least one vegetable oil or one fatty acid, such as it is or in a polymerized state, according to with at least one amino alcohol. According to one embodiment, the composition may be mixed with a solvent. The invention also relates to a method for controlling the lubricity of a water-based washing liquid. The application of the method to the drilling fluid of a well with a high pH value. The international application was published together with an international search report.