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Several Well Completion Technologies for Deepwater Gas Field
Zheng TIAN, Ji-hua YE, Zheng-li LIU, Jun-feng LUO, Chun-jie ZHANG, Hao JIN
Ocean Engineering Equipment and Technology    2015, 2 (1): 12-17.   DOI:
Abstract   (217 HTML0 PDF(pc) (1695KB)(285)  

With the development of offshore oil exploitation into the deepwater region, we encounter a series of difficulties and challenges in practice in the South China Sea during deepwater operation. The severe natural environment puts forward higher technology standards and requirements on deepwater well completion. In the aspects of well completion tools, equipment, construction technology and strategy, there exists obvious difference between deepwater tasks and shallow water or land operations. According to the characteristics of deepwater operation, some difficulties and key technologies are analyzed. The completion sand control, perforating technology, and fracturing filling technology are studied separately. In the deepwater well completion practice in South China Sea, the possible risk points and technical solutions are summarized. The results can provide reference for the subsequent design and operation.


Fig.2 Sand coefficient distribution of d50 in M gas field
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图2   M气田d50砂砾尺寸分布图
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