Results 1 to 10 of about 323,193 (266)

Formation Pore Pressure Prediction and Application Based on Aacoustic Logging

Cejing jishu, 2023
Formation pore pressure prediction is an important factor in the study of wellbore stability. Accurate prediction of pore pressure can avoid safety problems, such as overflow and blowout, thereby improving drilling efficiency, reducing environmental ...
QI Wenli, WU Huimei, LOU Yishan, ZHAI Xiaopeng, LIU Hong   +4 more
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Real-time prediction of multivariate ROP (rate of penetration) based on machine learning regression algorithms: Algorithm comparison, model evaluation and parameter analysis

Energy Exploration & Exploitation, 2023
ROP (Rate of Penetration) is a comprehensive indicator of the rock drilling process and how efficiently predicting drilling rates is important to optimize resource allocation, reduce drilling costs and manage drilling hazards.
Wei Liu, Jiasheng Fu, Chunjing Tang, Xinyu Huang, Ting Sun   +4 more
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Improving Thermal Stability of Starch in Formate Fluids for Drilling High Temperature Shales [PDF]

Journal of Petroleum Science and Technology, 2012
Starch is one of the most widely used biopolymers in water based drilling fluids to control fluid loss. The thermal stability of starch in common drilling fluids is low (93 °C).
M. Valizadeh, ali reza nasire
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The Effect of Additive ZRJ-S1 on Mechanical Properties of Portland Cement

Advances in Materials Science and Engineering, 2022
For mechanical performance perfection of cement-based material, toughening materials are often added to the cement system, such as solid particles, carbon-based material, or other inorganic/organic materials.
Xin Zeng, Ping Zhou, Jichang Tong, Hao Wang, Lin Zhao, Weidong Meng, Ming Li   +6 more
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Simulation of hydraulic fracture initiation and propagation for glutenite formations based on discrete element method

Frontiers in Earth Science, 2023
The existence of gravels in the glutenite formations leads to the complex geometries of hydraulic fracturing propagation and difficult construction in fracturing engineering. To study the hydraulic fracturing propagation law of glutenite formations, this
Peng Tan, Peng Tan, Gang Chen, Gang Chen, Qian Wang, Qian Wang, Qing Zhao, Qing Zhao, Zhaowei Chen, Zhaowei Chen, Degui Xiang, Degui Xiang, Chaolan Xu, Xiao Feng, Xiao Feng, Wenbao Zhai, Wenbao Zhai, Zixuan Yang, Zixuan Yang, Qinglin Shan   +19 more
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Cutting mechanism of a special 3D concave-shaped PDC cutter applicable to the Weiyuan shale

Journal of Petroleum Exploration and Production Technology, 2023
The Weiyuan shale gas field faces problems of long drilling cycles and high development costs. Improving the drilling efficiency of polycrystalline diamond compact bits in shale formations will significantly reduce the overall well cost and duration ...
Xiaohua Ke, Jinsheng Sun, Xiongwen Yang, Chi Ma, Jiaqing Yu, Kuiling Huang   +5 more
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NOVEL ACID SOLUBLE ABRASIVE MATERIAL FOR ABRASIVE JET PERFORATION THROUGH COILED TUBING AND TS-TOOL FOR CARBONATE GAS WELL – YARD TEST [PDF]

Romanian Journal of Petroleum & Gas Technology, 2023
Coiled tubing is used in oil and gas well production with the aim of increasing oil field production. The efficiency of this process is reproduced in this material, with practical applications in carbonate rocks, also presenting the conditions of ...
Alaa Zeinab, Alejandro Osorio Pozo, Claudia Maria Brezeanu, Timur Chis   +3 more
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Completing 3D Point Clouds of Thin Corn Leaves for Phenotyping Using 3D Gridding Convolutional Neural Networks

Remote Sensing, 2023
Estimating the complete 3D points of crop plants from incomplete points is vital for phenotyping and smart agriculture management. Compared with the completion of regular man-made objects such as airplanes, chairs, and desks, the completion of corn plant
Ying Zhang, Wei Su, Wancheng Tao, Ziqian Li, Xianda Huang, Ziyue Zhang, Caisen Xiong   +6 more
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A new approach for post-fracturing evaluation and productivity prediction based on a reservoir fracability index model in shale gas reservoirs

Journal of Petroleum Exploration and Production Technology, 2023
Multistage fracturing technology is the primary means of reservoir stimulation in shale gas wells. However, the productivity contribution of each stage varies greatly.
Shanyong Liu, Nai Cao, Yishan Lou, Yuan Yuan   +3 more
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Low-Density High-Fluidity High-Strength Epoxy Resin Cement Slurry Technology for Wellbore Reconstruction

Zuanjingye yu wanjingye
The production rate of a shale gas well generally declines fast, resulting in a low average recovery of the well. Refracturing of an old well with shale gas production pressure depletion can effectively enhance the ultimate recovery of the well, and ...
Xin JIN, Lei CHEN, Qian TAO, Shiming ZHOU, Chunqin TAN   +4 more
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