Build the product basket from ground conditions, bore geometry, water and recycling requirements.

Diagnose friction, solids, hole cleaning and borehole conditions before selecting a lubricant.

Match swelling, fibrous and bridging materials to the loss mechanism and circulation system.

Position LCM size, shape and mechanism against fractures, vugs and permeable intervals.

Control swelling, dispersion, accretion, bit balling and sticky cuttings in reactive ground.

Select foaming chemistry from air rate, water chemistry, solids and cuttings-transport needs.

Compare powder and liquid polymer roles in HDD, water-well and compatible WBM systems.