Results 11 to 20 of about 1,426 (304)
Nihon Kikai Gakkai ronbunshu, 2014 A mathematical model of rotor motion and an analysis model on mixed lubrication between the rotor and the spherical valve plate for a swash plate type piston pump have been presented in order to evaluate lubrication characteristics in the sliding part ...
Kazuhiko TANAKA, Yusuke FUJITA
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Nihon Kikai Gakkai ronbunshu, 2018 The power loss due to the friction and the leakage in the sliding part between piston and cylinder of a swash plate type piston pump and motor affects the equipment performance and the efficiency.
Kazuhiko TANAKA +3 more
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Nihon Kikai Gakkai ronbunshu, 2017 The friction characteristics on sliding part between piston and cylinder in a swash plate type piston pump in which improvement of the power density is demanded affect the equipment performance and the efficiency.
Kazuhiko TANAKA, Yusuke FUJITA
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Optimization of gathering pipeline network topology in rolling development of old oilfields
You-qi chuyun, 2020 The layout optimization model for rolling development of gathering pipeline network was built against the problem of network topology changes caused by the increasing wellheads in old blocks and the new wells addition in new blocks in the late ...
Jianfei SUN, Jia LUO, Yongtu LIANG
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Two-phase Simulation of Well Control Methods for Gas Kicks in Case of Water and Oil-based Muds [PDF]
Journal of Petroleum Science and Technology, 2018 Kick occurrence is a possible event during a drilling process. It is required to be handled immediately using a well control method to avoid blowout, financial losses and damages to the drilling crew.
Yaser Jahanpeyma, Saeid Jamshidi
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Numerical study of changes in coal permeability in a mining workface [PDF]
Acta Montanistica Slovaca, 2015 At the front of a working coalface, the stress state can differ significantly across different zones. This seriously affects the permeability of the coal seam.
Xiang-chao Shi +6 more
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Oil–Water Separation on Hydrophobic and Superhydrophobic Membranes Made of Stainless Steel Meshes with Fluoropolymer Coatings [PDF]
, 2023 In this work, membranes were synthesized by depositing fluoropolymer coatings onto metal meshes using the hot wire chemical vapor deposition (HW CVD) method.
Alexandra Melnik +9 more
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, 2021 Injection water temperature is often different from that of the reservoir during water injection development in the tight reservoir. Temperature change causes different fluid properties and oil-water interface properties, which further affects the ...
Junjie Shi +4 more
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Hydrology, 2022 Fluid injection in a porous medium is the underlying mechanism for many applications in the fields of groundwater hydraulics, hydrology and hydrogeology, and geo-environmental engineering and in the oil and gas industry.
Charalampos Konstantinou +1 more
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Status and Prospect of Improved Oil Recovery Technology of High Water Cut Reservoirs
, 2023 The high water cut stage is an important stage of the water injection development of oilfields because there are still more oil reserves available for recovery in this stage.
Pengcheng Liu, Liang Xue, Yun Zhang
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