AJ Lucas Group Limited, together with its subsidiaries, provides drilling services in Australia. The company operates in two segments: Drilling, and Oil and Gas. Its Drilling segment provides integrated professional drilling services primarily for exploration and degasification of coal mines, which includes recovery and commercialization of coal seam gas and associated services. The Oil and Gas segment engages in the exploration, development, and commercialization of unconventional and conventional hydrocarbons in the United Kingdom. In addition, the company offers engineering services, including design of wells, drilling optimisation, professional steering services, and 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.