Drilling Fluids losses – LCM in Non Reservoir Section If lost circulation is expected, the…

Drilling Fluids QA/QC – Quality Control of Freshwater The following procedures shall be carried out,…

Drilling fluids QA/QC – Quality Control of Bulk Materials at Rig Site The following tests…

Drilling fluids QA/QC – Quality Control of Barites The following tests shall be carried out,…

Summary Treatment of Mud Contaminants  The following table presents the main contaminants and the chemical…

Drilling Fluid Contamination: Cement Cement contamination occurs in every well drilled. It is contamination from…

Drilling Fluid Contamination: Carbonate/ Bicarbonate One of the most unrecognised types of contamination is that…

Drilling Fluid Contamination: Hardness High levels of hardness will result in flocculation of bentonite with…