Hiring of High Performance Water Base Mud
(HPWBM) system with two (02) sets of services along with supply of special
chemicals and two (02) sets of Centrifuge Services (one set ON CALL basis)
for a period of three (03) years with a provision for extension by another
one (01) year to drill approximately 45 numbers of selected wells in OIL’s
operational areas in Assam & Arunachal Pradesh