Anton Oilfield Services Group, an investment holding company, provides oil and gas field development technical services for oil companies in the People's Republic of China and internationally. It operates through three segments: Drilling Technology, Well Completion, and Oil Production Services. The company offers geology technology services, such as oil and gas field design and development, geological engineering, and geological research and technical support; oilfield management and oil and gas development general contract services, including production capacity construction, oil and gas field management general contract, oil/gas field cooperative development, digital oilfield management, reservoir technology support, oilfield operation and maintenance, and supervision; and drilling technology services comprising integrated drilling, rig, directional drilling, drilling fluid and completion fluid, oilfield environmental protection, and cementing.

It also provides completion technology services, such as stimulation and integrated completion, completion technique and tool, sand control, fracturing and pumping, coiled tubing operation, stimulation chemical, and logging; workover and well testing, and oil production technology services; and inspection technology, including oilfield nondestructive detection and evaluation, special equipment testing, gas leaking inspection, pipeline inspection, metrology inspection, and environmental inspection, as well as tubing and casing inspection, repairing, and anti-corrosion technology services. In addition, the company offers asset leasing services, such as drilling tool, drilling equipment, oilfield production equipment, and oilfield production facility leasing services. Further, it manufactures rod casings; and provides construction services.

The company was founded in 1999 and is headquartered in Beijing, the People's Republic of China.