中国石油长城钻探工程公司
Greatwall Drilling Company (GWDC), a subsidiary of CNPC and an IADC member, is engaged in worldwide business of petroleum engineering and services. As a general contractor, we provide package solutions from well design to well completion. Our business scope mainly covers: Drilling: conventional well drilling, deep and ultra-deep well drilling, directional and horizontal well drilling, under-balanced drilling, workover, acidizing and fracturing, cementing, coring, fishing, top-drive drilling, drilling fluid services; Logging: wire line logging, mud logging, perforation, well testing, formation and reservoir evaluation; Energy development: coal-bed methane development technology, low-permeability gas reservoir development technology, heavy oil reservoir development technology; Others: leasing of drilling equipment and tools, drilling engineering design, technical consultation and training. GWDC obtains the certificate of High-Tech Enterprise, an ISO9000 quality system certification, a national “AAA” credit rating, certificates issued by DQS, as well as a high quality construction certificate issued by PSRSON (UK). GWDC is a member of the International Association of Drilling Contractors (IADC), and is capable to provide general contracting of international petroleum technical services.
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