Environmental risk assessment using FMEA and entropy based on TOPSIS method: a case study oil wells drilling by Negar Afzali Behbahani, Mazdak Khodadadi-Karimvand, Afarin Ahmadi

Subjects: “…oil and gas well drilling…”
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Comprehensive analysis of naturally occurring radionuclides in well water: Isotopic ratios, mitigation, and dose assessment by Francisco Piñero-García, Rimon Thomas, Eva Forssell-Aronsson, Mats Isaksson

Subjects: “…Drilled well…”
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Comparison of treatment outcome of conventional drillings, osteotomes, and Densah bur used in dental implant placement in the posterior maxilla by Nikhil R. Gharge, Harish Saluja, Anuj Dhadhich, Seemit Vinod Shah

Subjects: “…conventional drillings…”
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Comparison of One-Drill Protocol to Sequential Drilling In Vitro and In Vivo by Sihana Rugova, Marcus Abboud

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Impact of Rock Cuttings on Downhole Fluid Movement in Polycrystalline Diamond Compact (PDC) Bits, Computational Fluid Dynamics, Simulation, and Optimization of Hydraulic Structures by Lihong Wei, Jaime Honra

Subjects: “…PDC drill bit…”
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Applying Interpretation Results of Drill Stem Test to Evaluate the Lower Miocene Formation in Bao Den Oilfield, Cuu Long Basin by Nguyen Tuan, Tran Xuan, Tran Huong, Truong Thanh, Hoang Quang

Subjects: “…drill stem test…”
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Role of hole depth on mechanical behavior and acoustic emission characteristics of pre-drilled sandstone by Jiahan Liu, Ruide Lei, Ruide Lei

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Improving the accuracy of processing deep holes by Electrical Discharge Machining with a rotating tubular electrode by A. Yu. Popov, V. A. Prokofev

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Prospects of "Slate Revolution" and Problem of Power Industry of China by M. Scryabina

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Bit selection method based on the rock drillability characteristics and principal component analysis of rock-breaking indicators by Yang Hu, Xian Xinlong, Zhou Penggao, Li Zhen, Wei Ruihua, Liang Junqiao, Xiong Shilong

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