AJ Lucas Group Limited, together with its subsidiaries, provides drilling services in Australia. The company operates in two segments, Drilling and Oil and Gas Operations. The Drilling segment provides integrated professional drilling services primarily for exploration and degasification of coal mines, including recovery and commercialization of coal seam gas and associated services. The Oil and Gas Operations segment engages in the exploration and development of unconventional and conventional hydrocarbons in the United Kingdom. The company also offers engineering services, such as design of wells, drilling optimisation, and professional steering services, as well as specialised equipment for directional drilling programmes. It serves the energy, mining, and infrastructure sectors. The company was incorporated in 1993 and is headquartered in Brisbane, Australia. AJ Lucas Group Limited is a subsidiary of Kerogen Investments No. 1 (HK) Limited.