Results 41 to 50 of about 14,885 (159)
Gravity Drainage Kinetics of Papermaking Fibrous Suspensions
Chemical and Process Engineering, 2014 The study analyses application possibilities of filtration and thickening models in evaluation of papermaking suspension drainage rate. The authors proposed their own method to estimate the drainage rate on the basis of an existing Ergun capillary model ...
Przybysz Piotr +2 more
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Energies, 2022 Worldwide practices have proven that gas-assisted gravity drainage can obviously enhance oil recovery, and this technology can be especially effective for reservoirs with a thick formation and large inclination angle. For the successful implementation of
Haishui Han +7 more
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Testing Model Representations of Snowpack Liquid Water Percolation Across Multiple Climates
Water Resources Research, 2019 Snowpack liquid water percolation is a sensitive model process that is crucial for snowpack runoff forecasts yet varies in sensitivity between climates and snow seasons. Therefore, models of varied complexity developed for different climates and purposes
J. M. Pflug +3 more
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Study on the production law of heavy oil gravity‐drainage‐assisted steam flooding
Energy Science & Engineering, 2020 Gravity‐drainage‐assisted steam flooding is a new technology to improve the recovery factor after deep penetration in deep super‐heavy oil reservoirs. This study is based on a model of the 60‐H25 test well group in Block 59 in Liaohe Oilfield, China. The
Chunsheng Wang +5 more
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BMC Nephrology, 2021 Background It has been noticed for years that ultrafiltration (UF) is important for survival in peritoneal dialysis. On the other hand, precise and convenient UF measurement suitable for patient daily practice is not as straight forward as it is to ...
Zanzhe Yu +11 more
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Policy Insights to Accelerate Cleaner Steam-Assisted Gravity Drainage Operations
Energies, 2021 The literature is replete with concerns on the environmental impact of steam-assisted gravity drainage (SAGD), but rigorous analysis of its improved environmental performance over the past 20 years remains unresolved, as well as the underlying ...
Marwa Hannouf +2 more
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Experimental and Simulation - Assisted Feasibility Study of Gas Injection to Increase Oil Recovery Using a Combination of Semi-VAPEX and GAGD Techniques [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2007 Gas injection into heavy oil reservoirs could result in high ultimate recovery of oil. Experimental studies showed that an application of a combined technology of Gas Assisted Gravity Drainage (GAGD) and Vapor Extraction (VAPEX) could increase final oil ...
Jamshid Roodsaz +3 more
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Petroleum Exploration and Development, 2013 4D microgravity measurement is used to study the underground medium, especially underground fluid variation state and process, using repeated measurements of gravity data at different periods. A model of microgravity variation calculation for the Guantao
Yujun LI +4 more
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Journal of Investigative Surgery, 2023 Background Our objective is to compare the early outcomes associated with passive (gravity) drainage (PG) and active drainage (AD) after surgery. Methods Studies published until April 28, 2022 were retrieved from the PubMed, Cochrane Central Register of ...
Minghui Zheng +4 more
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Improving Water Table Kinematic Conditions With Unsaturated Flow Insights
Water Resources ResearchAnalytical models interpreting aquifer pumping test data often rely on water table kinematic conditions that assume instantaneous gravity drainage, leading to underestimation of specific yield during the drainage process.
Jun‐Hong Lin, Ying‐Fan Lin
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