部分代表成果: 祝效華,劉偉吉. 鉆井巖石破碎學(xué)[M].科學(xué)出版社,2022. Zhu X, Luo Y, Liu W*, et al. Rock cutting mechanism of special-shaped PDC cutter in heterogeneous granite formation[J]. Journal of Petroleum Science and Engineering, 2022.(通訊作者) Liu W, Zhu X*, YanXin Lv, Hua Tong. On the mechanism of thermally induced micro-cracking assisted rock cutting in hard formation[J]. Journal of Petroleum Science and Engineering, 2021, 196: 311-319. Liu W, Qian X, Li T, et al. Investigation of the tool-rock interaction using Drucker-Prager failure criterion[J]. Journal of Petroleum Science and Engineering, 2019, 173: 269-278. Liu W, Zhu X*, Jing J. The analysis of ductile-brittle failure mode transition in rock cutting[J]. Journal of Petroleum Science and Engineering, 2018, 163: 311-319. Liu W, Zhou Y, Zhu X, et al. Numerical modelling of bottom-hole rock in underbalanced drilling using thermo-poroelastoplasticity model[J]. Structural Engineering and Mechanics, 2019, 69(5): 537-545. Liu W, Zhu X*, Zhou Y, et al. Bonded-cluster simulation of tool-rock interaction using advanced discrete element method[J]. Structural Engineering and Mechanics, 2019, 72(4):543-558. Liu W, Zhu X*, Zhou Y, et al. The ROP mechanism study in hard formation drilling using local impact method[J]. Structural Engineering and Mechanics, 2018, 68(1): 95-101. Liu W, Zhu X, Shi C, On the failure mechanism of brittle granite in 2D rock indentation [J]. Geotechnical Testing Journal, 2020, 47(1),1-9. Liu W, Zhu X*. A new approach of rock cutting efficiency evaluation by using plastic energy dissipation ratio[J]. KSCE Journal of Civil Engineering, 2019, 23(2): 879-888. Liu W, Zhu X. Experimental study of the force response and chip formation in rock cutting[J]. Arabian Journal of Geosciences, 2019, 12(15): 457. Liu W, Zhu X*. A coupled thermo-poroelastic analysis of wellbore stability for formations with anisotropic strengths[J]. Arabian Journal of Geosciences, 2018, 11(18): 537-545. Liu W, Zhu X*, Li B. The rock breaking mechanism analysis of rotary percussive cutting by single PDC cutter[J]. Arabian Journal of Geosciences, 2018, 11(9): 192. Liu W, Dan Z, Jia Y, Zhu X. On the statistical damage constitutive model and damage evolution of hard rock at high-temperature[J]. Geotechnical and Geological Engineering, 2020, 12(18): 337-344. Zhu X, Liu W, Jiang J. Research regarding coal-bed wellbore stability based on a discrete element model[J]. Petroleum Science, 2014, 11(4): 526-531. Zhu X and Liu W. Research on the effect of drill string impact on wellbore stability. Journal of Petroleum Science and Engineering, 2013, 109: 217-229 Zhu X H, Luo Y X, Liu W. On the rock-breaking mechanism of plasma channel drilling technology[J]. Journal of Petroleum Science and Engineering, 2020, 194, 107356. Zhu X H, Luo Y X, Liu W. On the Mechanism of High?Voltage Pulsed Fragmentation from Electrical Breakdown Process[J]. Rock Mechanics and Rock Engineering, 2021, 1-24. Yang L, Wang Z, Liu W, et al. Interior-stress fields produced by a general axisymmetric punch[J]. Friction, 2021: 1-15. 劉偉吉,王燕飛,郭天陽(yáng),祝效華等.單齒切削破碎非均質(zhì)花崗巖微宏觀機(jī)理研究[J].工程力學(xué),2021 劉偉吉,陽(yáng)飛龍,祝效華,羅云旭等.異形PDC齒切削破巖提速機(jī)理研究[J].中國(guó)機(jī)械工程,2021 劉偉吉,陽(yáng)飛龍,董洪鐸等.異形PDC齒混合切削破碎花崗巖特性研究[J].工程力學(xué),2022 祝效華,劉偉吉. 單齒高頻扭轉(zhuǎn)沖擊切削的破巖及提速機(jī)理研究[J].石油學(xué)報(bào), 2017,38(5):578-586. 祝效華, 劉偉吉. 旋沖鉆井技術(shù)的破巖及提速機(jī)理[J].石油學(xué)報(bào), 2018,39(2):216-222. 祝效華, 羅云旭, 劉偉吉,等. 等離子體電脈沖鉆井破巖機(jī)理的電擊穿實(shí)驗(yàn)與數(shù)值模擬方法[J].石油學(xué)報(bào), 2020(9):1146-1162. 部分發(fā)明專利: 一種基于塑性耗能比的巖石破碎效率評(píng)價(jià)方法,發(fā)明專利(專利技術(shù)許可,29.8萬(wàn)) 一種用于電脈沖-機(jī)械復(fù)合破巖鉆頭的鉆井實(shí)驗(yàn)裝置,發(fā)明專利 一種用于深部難鉆地層的電脈沖-機(jī)械復(fù)合破巖鉆頭,發(fā)明專利 一種用于電脈沖-機(jī)械復(fù)合破巖鉆頭與鉆具間的電纜連接裝置,發(fā)明專利 一種熱致裂輔助鉆頭高效破巖鉆井提速系統(tǒng),發(fā)明專利 一種基于反饋控制的預(yù)擊穿-儲(chǔ)能放電破巖系統(tǒng),發(fā)明專利 一種用于電脈沖破巖的磁開關(guān)脈沖發(fā)生器拓?fù)浣Y(jié)構(gòu),發(fā)明專利 一種釹磁鐵式水力振蕩器,發(fā)明專利 一種適用于深部硬地層的強(qiáng)動(dòng)力復(fù)合沖擊器,發(fā)明專利 一種切削破巖實(shí)驗(yàn)裝置及其實(shí)驗(yàn)方法,發(fā)明專利 一種三維井筒系統(tǒng)的提速評(píng)價(jià)方法,發(fā)明專利 一種用于減少井壁掉塊導(dǎo)致鉆頭埋鉆發(fā)生幾率的方法,發(fā)明專利 一種安裝于鉆頭內(nèi)部的三軸振動(dòng)測(cè)量裝置,發(fā)明專利 |