Asphasol is trade mark of slumberger to supply sulfonated asphalt
Asphasol preventing below problem during drilling.
Blowout of fluid under high pressure.
Massive shale instability.
Chemical reason-ductitle unfractured shales,incompatibility with oil base mud.
Stress reason-high compressive stress fields.
Asphasol is availble in 25Kg bag and super sax ready for shipment from stock.
The main reason to use Asphasol is reduce of lost during during of well.