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About Us

Greatwall Drilling Company (GWDC), a subsidiary of China National Petroleum Corporation (CNPC) and an IADC member, is engaged in the worldwide business of petroleum engineering and technical services. Our business scope covers various processes of petroleum engineering and technical services and energy development. We provide integrated oil and gas well construction solutions for our clients from well design, drilling operation and mud services to well completion in various surface and underground conditions. We offer wireline logging, mud logging and well testing operations based on the practical combination of advanced technologies. The integrate interpretation of data acquired from those operations offers solutions to a variety of geologic situations. We expand services globally and vigorously for general contracting of oil reservoir development, well stimulations, adjustment plan preparation and integrated project management of oil and gas field development.
 
As a worldwide company, we have outstanding professional abilities and rich practical experience in oil-gas field engineering and technical services. We employ over 30,000 people of different nationalities working in 28 countries, providing services for more than 100 oil companies all over the world. We have successfully provided services to many international companies such as BP, CHEVRON, ENCANA, PETRONAS, TOTAL, OPI, PDVSA.
 
Under the uniform coordination of the company, worldwide support systems have been formed to serve human resources, key equipment, engineering and technical support, production management and global logistics. The maintenance and enforcement of an effective Quality, Health, Safety and Environment (QHSE) management program remains one of GWDC's primary commitments. We passed the ISO9000 quality management  system authentication. We received the German specialized quality system certificate (DQS), and high quality construction certificate issued by Shell and PSRSON.
 
Guided by the spirit of “ dynamism, loyalty, honesty and commitment”, we strictly follow the core  values of “credibility, harmony, innovation and safety and being performance-driven”. We are committed to providing services that enhance and optimize our clients’ performance with no accidents, no harm to people and no damage to the environment.