Risk assessment of cement placement failure due to cement loss caused by design changes in deepwater well construction

Zhang Huidong; Hadlock Christopher C.; Bickel J. Eric; van Oort Eric

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Risk assessment of cement placement failure due to cement loss caused by design changes in deepwater well construction

机译：由于深水井建设的设计变化引起的水泥损失导致水泥放置失效风险评估

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The Well Containment Screening Tool (WCST) has been adopted by deepwater oil and gas operators, in the aftermath of the Macondo/Deepwater Horizon tragedy, to evaluate well integrity during worst-case survival loads. It favors a more conservative deepwater casing scheme with thicker casing walls and, hence, narrower cementing annuli for the same borehole diameters. These design changes may increase the risk of cement loss during narrow-annuli cementing, possibly compromising the cement barrier. Thus, the WCST may actually increase the risk of another well control incident.

机译：在Macondo / Deepwater Horizo n悲剧的后果中，深水油和天然气运营商采用了井储能筛选工具（WCST），以评估在最坏情况载荷的情况下的完整性。它有利于更保守的深水套管方案，具有较厚的套管，因此，用于相同的钻孔直径较窄。这些设计变化可能会在窄载晶体期间增加水泥损失的风险，可能会损害水泥屏障。因此，WCST实际上可能会增加另一个井控制事件的风险。

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来源
《Journal of Petroleum Science & Engineering》 |2020年第1期|共12页
作者
Zhang Huidong; Hadlock Christopher C.; Bickel J. Eric; van Oort Eric;
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作者单位

Univ Texas Austin Operat Res &

Ind Engn Austin TX 78712 USA;

Univ Texas Austin Operat Res &

Ind Engn Austin TX 78712 USA;

Univ Texas Austin Operat Res &

Ind Engn Austin TX 78712 USA;

Univ Texas Austin Dept Petr &

Geosyst Engn Cockrell Sch Engn Austin TX 78712 USA;

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原文格式 PDF
正文语种 eng
中图分类石油、天然气工业;
关键词
Quantitative risk assessment; Monte Carlo simulation; Cement loss; Zonal isolation;

机译：定量风险评估;蒙特卡罗模拟;水泥损失;区间隔离;

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1. Risk assessment of cement placement failure due to cement loss caused by design changes in deepwater well construction [J] . Zhang Huidong, Hadlock Christopher C., Bickel J. Eric, Journal of Petroleum Science & Engineering . 2020,第1期

机译：由于深水井建设的设计变化引起的水泥损失导致水泥放置失效风险评估
2. Comparison of the characteristic leaching behavior of cements using standard (EN 196-1) cement mortar and an assessment of their long-term environmental behavior in construction products during service life and recycling [J] . Sloot H.A.author_name/ Cement and Concrete Research . 2000,第7期

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Risk assessment of cement placement failure due to cement loss caused by design changes in deepwater well construction

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