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    TENG Xueqing, YANG Xiangtong, LÜ Shuanlu, GUO Hongzhi, XIE Junfeng, GENG Hailong, LI Ning, SHENG Yong, QIN Hongde, LEI Jun. Cause Analysis of Casing Leakage in HXA7-7 Directional Well[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2018, 54(3): 195-197. DOI: 10.11973/lhjy-wl201803008
    Citation: TENG Xueqing, YANG Xiangtong, LÜ Shuanlu, GUO Hongzhi, XIE Junfeng, GENG Hailong, LI Ning, SHENG Yong, QIN Hongde, LEI Jun. Cause Analysis of Casing Leakage in HXA7-7 Directional Well[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2018, 54(3): 195-197. DOI: 10.11973/lhjy-wl201803008
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    Cause Analysis of Casing Leakage in HXA7-7 Directional Well

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      • Abstract
    • Casing leakage occurred during the cementing process of HXA7-7 directional well. Causes analysis of casing leakage in the directional well were analyzed by late time test of volume method, and the casing string was checked by logging. The results show that the original defects in the HXA7-7 directional well casing. In the process of cementing, the original defects spread through the wellbore and eventually lead to the leakage of the casing.
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