Mica

Mica is added to drilling mud as an additive in oil well drilling. This mineral is valued for its high thermal resistance, insulating properties, and chemical stability against various chemicals, making it suitable for multiple applications. Mica is primarily used for fluid loss control, increasing the viscosity of drilling mud, and strengthening well walls.

Fluid Loss Control: Mica helps control leaks and fluid loss in oil well drilling due to its ability to form thin and strong layers.

Increasing Viscosity: This mineral aids in increasing the viscosity of drilling mud, facilitating better and more controllable flow during drilling operations.

Strengthening Well Walls: Mica acts as a strengthening agent, preventing the collapse of well walls.

Chemical Resistance: In addition to its resistance to thermal changes, mica also has high chemical resistance, minimizing unwanted chemical effects.

Cost Reduction: The use of mica can be effective in reducing costs associated with the repair and maintenance of drilling equipment.

Overall, mica is a key additive in drilling mud that contributes to optimizing drilling operations. This substance meets NISOC standards and falls under the Loss Circulation Materials (LCM) category. Due to its insolubility in acid, it is used for fluid loss control in formations other than Payzone that have multiple pores and for blocking fissures and cracks in the formation or those created during drilling operations.