The OES Teamwork formerly known as the Searex XII was built in 1982 and enhanced in 1990. The rig which was purchased by OESL in 2007 is a 2000HP swamp drilling barge equipped with 10,000PSI BOP systems. It has an IDECO built mast and substructure with rated static hookload capacity of 1,500,000lbs and capable of drilling up to 25,000ft. The rig is equipped with three EMD diesel engines, two T-1600 IDECO Triplex mud pump, three Derrick Linear Motion Shakers, two Hi-G- dryers, and a Varco TDS-3S Top Drive.
Furthermore, OES Teamwork has well-furnished accommodation with bed space for 98 people, 2 recreation rooms with senior and junior mess.