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Heng Liu, Wenzhi Xu, Quanchun Yuan, Jin Zeng, Xiaohui Lei and Xiaolan Lyu
In addressing the challenges of high energy consumption and low efficiency in fertilization borehole drilling for clayey soils in southern orchards, this study utilizes the Discrete Element Method to establish a simulation model for clayey soils. Through...
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Mary De la Cruz, Ramiro Gonzalez, Jesus A. Gomez, Atilano Mendoza and Javier A. Ortega
A modular torque measuring instrument capable of performing tapping torque tests (TTT) according to the ASTM D-5619 standard was designed, developed, and validated. With this new instrument, the performance of different lubricants can be evaluated in ter...
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Toktamys Nusipkhulovich Mendebaev,Nurlan Zhaksibekovich Smashov,Handash Kalbi Ismailov,Beibitshilik Kadirovich Izakov
Pág. 70 - 76
Our analysis of the structural features and technological capabilities of serial downhole hydraulic motors (hydraulic machines), designed for drilling wells, has revealed their shortcomings. These include the limited resources due to the complexity of th...
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Zheng Su, Yuncheng Cao, Nengyou Wu and Yong He
Gas hydrates have been attracted a great deal of attention because of their potential as an energy substitute and the climate implications. Drilling and sampling research on the hydrate deposit in the Shenhu Area on the northern continental slope of the ...
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Jon Freise
Canada was the world?s third largest natural gas producer in 2008, with 98% of its gas being produced by conventional, tight gas, and coal bed methane wells in Western Canada. Natural gas production in Western Canada peaked in 2001 and remained nearly fl...
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Megan C. Guilford, Charles A.S. Hall, Peter O?Connor and Cutler J. Cleveland
Oil and gas are the main sources of energy in the United States. Part of their appeal is the high Energy Return on Energy Investment (EROI) when procuring them. We assessed data from the United States Bureau of the Census of Mineral Industries, the Energ...
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