Practice of day rate contract management system of drilling engineering in Sinopec Nanchuan and Binchang blocks

doi:10.3969/j.issn.1672-7703.2022.03.011

Abstract

Abstract: At present, the management mode of turnkey drilling contract is generally adopted by Sinopec. In terms of the problems in high-risk wells by using this mode, such as long non-production time, long drilling cycle, low application of new technology and weak technical management of oil company, an innovative day rate management system of drilling engineering has been developed with “1 program + 1 core + 2 supporting measures + 1 platform”, which has been applied in Nanchuan block of Sinopec East China Oil & Gas Company and Binchang block of Sinopec North China Oil & Gas Company. By considering the common complex technical problems in the two blocks, such as poor drillability, low ROP, high lost circulation, and severe wellbore collapse, day rate contract management mode and technology are integrated to form a series of drilling engineering demonstration technologies, including the artificial intelligence based drilling speed up technology, measurement while drilling technology in total loss formation, low-viscosity and high shear oil-base drilling fluid system, as well as strong plugging, high inhibition, film-forming, and anti-collapse drilling fluid system, which support to solve the technical problems restricting ROP acceleration. The application in three wells in Nanchuan block of East China Oil & Gas Company and Bingchang block of North China Oil & Gas Company has delivered direct benefit of 335 million RMB, which provide reference experience for the promotion of day rate contract management system of drilling engineering in Sinopec and other domestic oil companies.

CLC Number:

TE28

Hu Zhiqiang, He Qingshui, Hu Qun’ai, Huang Songwei, Li Yan, Zhao Xiaoxiang, Yang Shunhui, Xue Yuzhi, Zhang Yi, Kuang Lixin, Liang Wenlong, Liu Kuangxiao, Xiao Chao, Li Menggang, Niu Chengcheng. Practice of day rate contract management system of drilling engineering in Sinopec Nanchuan and Binchang blocks[J]. China Petroleum Exploration, 2022, 27(3): 121-131.

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