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Analyzing well instability mechanisms in broken formations of faulted zones based on discrete element method
ZHAI Kejun, KOU Chunsong, CHEN Xiuping, ZHAO Haifeng
2021, 43(5): 559-565. DOI: 10.13639/j.odpt.2021.05.001
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Effect of depth-of-cut control (DOC) of PDC bits on stick-slip suppression and rate of penetration improvement
LI Fei
2021, 43(5): 566-573. DOI: 10.13639/j.odpt.2021.05.002
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Influence of torsion impact parameters on single-tooth rock breaking efficiency of PDC bit
XI Yan, XIA Mingli, SUN Nian, ZHA Chunqing, LI Jun
2021, 43(5): 574-579. DOI: 10.13639/j.odpt.2021.05.003
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Drilling and completion technologies for ultra-deep complex gas field in Kuqu depression
TAN Peng, HE Silong, LI Mingyin, CHEN Xuefeng, ZHANG Jingtian, MA Xiwei
2021, 43(5): 580-585. DOI: 10.13639/j.odpt.2021.05.004
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Efficient drilling technologies for the igneous reservoir in Block P of the Junggar Basin
ZHANG Juncheng, JIANG Guizhi, GUO Linshuai, WANG Fuwei, WANG Lu, WANG Jiaqiang, LI Jiang
2021, 43(5): 586-592. DOI: 10.13639/j.odpt.2021.05.005
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Key drilling technologies of scoop-shape horizontal well in Hutubi gas storage
DANG Wenhui, LIU Tian’en, YUAN Guangjie, ZHONG Shouming, LI Guotao, SONG Lin, ZHANG Hong
2021, 43(5): 593-600. DOI: 10.13639/j.odpt.2021.05.006
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Influence of cement top on wellhead uplift height of deepwater high temperature and high pressure well
ZHENG Shuangjin, CHENG Lin, XIE Renjun, HUANG Zhiqiang, WU Zhiqiang, QIAN Xiaofeng
2021, 43(5): 601-606. DOI: 10.13639/j.odpt.2021.05.007
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Optimized design of mud level of deepwater CML dual gradient drilling
ZHANG Geng, LI Jun, LIU Gonghui, YANG Hongwei, WANG Jiangshuai, LU Hui
2021, 43(5): 607-612. DOI: 10.13639/j.odpt.2021.05.008
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Development and application of near-bit azimuth gamma MWD system
HU Bin, MA Hongyan, HUANB Bingya, YAO Yun, SONG Xiaojian, XU Xiaoou
2021, 43(5): 613-618. DOI: 10.13639/j.odpt.2021.05.009
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Structural design of “three-branch” flow tube for offshore blowout emergency rescue
ZHANG Shuai, MIAO Dianyuan, JIANG Kai, JU Shaodong, DONG Yanming, ZHANG Wenxi
2021, 43(5): 619-624. DOI: 10.13639/j.odpt.2021.05.010
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Well pattern selection and gas injection strategy optimization for the fire flooding of thin reservoirs
SONG Qingxin
2021, 43(5): 625-631. DOI: 10.13639/j.odpt.2021.05.011
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Physical model study and parameter recognition of phase-change porous medium during the production of unconventional oil and gas
GAO Yanfang, REN Zhanli, DING Shuaiwei, CHEN Mian, JIN Yan
2021, 43(5): 632-641. DOI: 10.13639/j.odpt.2021.05.012
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Dynamic behavior of single drop and critical single drop carrying gas flow rate under the well condition of gas well
WANG Zhibin, ZHANG Yafei, SUN Tianli, LI Zhongcheng, YANG Zhongwei, ZHU Guo, SHI Hongyan
2021, 43(5): 642-650. DOI: 10.13639/j.odpt.2021.05.013
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Study on the wettability of tight oil reservoir based on pore mineral and fluid distribution
LIANG Xingyuan, ZHOU Fujian, WEI Wei, LIU Xiaodong, LIANG Tianbo, ZHAO Xurong, HAN Guoqing
2021, 43(5): 651-657, 674. DOI: 10.13639/j.odpt.2021.05.014
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Laboratory evaluation on the water control effect of fuzzy ball fluids in the well test process of natural gas well in deep coal measure strata of Linxing area
MENG Shangzhi
2021, 43(5): 658-662. DOI: 10.13639/j.odpt.2021.05.015
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A new continuous paraffin removal plunger gas lift process used in Lunnan and Sangjie Oilfields
LEI Tengjiao, CUI Xiaohu, SU Zhou, YANG Wenming, WANG Hongbiao, DUAN Yuming
2021, 43(5): 663-667. DOI: 10.13639/j.odpt.2021.05.016
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Formation and prevention of gas hydrate in gas injectors for gravity miscible flooding in Pubei Oilfield
MO Jun, LIU Yong, ZHANG Ya’nan, ZHU Hongshuang, LI Meng
2021, 43(5): 668-674. DOI: 10.13639/j.odpt.2021.05.017
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Damage mechanism and removal technology of hydrophobic associative blockages in Bohai Oilfield
LAN Xitang, GAO Shang, ZHANG Lu, FU Yangyang, ZHANG Liping, LIU Changlong
2021, 43(5): 675-681. DOI: 10.13639/j.odpt.2021.05.018
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Application of drawdown test technology in SL underground gas storage of Liaohe Oilfield
ZHU Jing, ZHANG Fuxing, YANG Xianzhi, HE Jinbao, YING Qingling, HE Mengqi
2021, 43(5): 682-686. DOI: 10.13639/j.odpt.2021.05.019
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Comprehensive treatment technologies for the stripped and deficient wells of Bohai heavy oil field in high water cut stage
ZHANG Junting, WANG Gongchang, WANG Lilei, DENG Jingfu, CHEN Cunliang, ZHANG Guohao
2021, 43(5): 687-692. DOI: 10.13639/j.odpt.2021.05.020
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