List of Petroleum Exploration Companies in Nigeria # Name; Multinationals. 1. ADDAX PETROLEUM DEVELOPMENT (NIGERIA) ... KARAMAY DRILLING COMPANY / CNPC NIGERIA : 87: KCA DEUTAG NIGERIA : 88: LONESTAR DRILLING NIGERIA ... SEDCO FOREX OF NIGERIA (TRANSOCEAN) 93. TECON OIL SERVICES. Drilling Fluids Chemicals, Barytes, Bentonite . 94. .