Greatwall Drilling Company

GWDC is Chinese largest provider of services and products to the global energy industry. We provide integrated solution to our customers to help them ;GWDC is a member of IADC providing integrated solutions from well design to completion in various surface and underground conditions.;GWDC 中文 · About Us · GWDC at a glance · Social Responsibilties · Promotional Video · Brochure · Contact Us · Services & Products.;ABOUT US; GWDC at a glance · Social Responsibilties; Promotional Video; Brochure · Contact Us. Promotional Video. GWDC,a Subsidiary of China National Petroleum ;GWDC 中文 · About Us · GWDC at a glance · Social Responsibilties · Promotional Video · Brochure · Contact Us · Services & Products.;Subsurface · Well Construction · Completions · Production · Abandonment · Integrated Services · Unconventional Resource Development.;About Us · GWDC at a glance · Social Responsibilties · Promotional Video · Brochure · Contact Us · Services & Products · Oil & Gas Services · Decarbonization ;GWDC always adheres to people-oriented concepts, fulfills its social responsibility, pursues the goal of zero defect, zero injury and zero pollution.;About Us · GWDC at a glance · Social Responsibilties · Promotional Video · Brochure · Contact Us · Services & Products · Oil & Gas Services · Decarbonization ;