AJ Lucas Group Limited, together with its subsidiaries, provides drilling services in Australia. The company operates through Drilling and Oil and Gas segments. The Drilling segment offers drilling services primarily to the coal and coal seam gas industries for the degasification of coal mines and associated services, as well as commercial extraction of gas. This segment also provides a range of engineering services, including design of wells, drilling optimization, professional steering services, and specialized equipment for directional drilling programs. The Oil and Gas segment engages in the commercialization of unconventional and conventional hydrocarbons in the United Kingdom. It serves energy and resources sectors. The company was incorporated in 1993 and is headquartered in North Sydney, Australia. AJ Lucas Group Limited is a subsidiary of Kerogen Investments No. 1 (HK) Limited.