Ocean Engineering Equipment and Technology ›› 2015, Vol. 2 ›› Issue (1): 12-17.
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Zheng TIAN, Ji-hua YE, Zheng-li LIU, Jun-feng LUO, Chun-jie ZHANG, Hao JIN
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Abstract:
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.
Key words: deepwater well completion, strategy, sand control, perforation, fracturing
CLC Number:
TE257
Zheng TIAN, Ji-hua YE, Zheng-li LIU, Jun-feng LUO, Chun-jie ZHANG, Hao JIN. Several Well Completion Technologies for Deepwater Gas Field[J]. Ocean Engineering Equipment and Technology, 2015, 2(1): 12-17.
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URL: https://www.qk.sjtu.edu.cn/oeet/EN/
https://www.qk.sjtu.edu.cn/oeet/EN/Y2015/V2/I1/12
Fig.1
Evenly sorting coefficient distribution in No.1 and 2 sand body in M gas field
Fig.2
Sand coefficient distribution of d50 in M gas field
Fig.3
Laser particle size distributions of reseyvoir sand in different depths
Fig.4
Pressure diagram of M gas field during fracturing and filling operation
Table 1
Deepwater well completion operation risk points and solutions in M gas field