Aqueous drilling through clay has always been a potentially difficult situation and, over the years, sundry solutions have been presented to combat this sticky enemy.
This January will mark 40 years of experience of working with drilling fluids and drilling fluids recycling equipment for this author, and yours truly could write a book on drilling fluids mixing errors made by both vertical and horizontal directional drilling contractors.
I spent the first six weeks of my time at Andrews & Foster observing. I observed office workflow, the field operations, and the communication methods between the office and the field.