Results 11 to 20 of about 633,289 (344)
Study on selective plugging characteristics and oil displacement mechanism of microsphere in porous media [PDF]
Microspheres are widely used as profile control and water plugging products at present. However, the current research on microspheres is mainly focused on oil displacement experiments.
Yuan Bo +7 more
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Synthesis and performance of a small molecular quaternary ammonium salt inhibitors [PDF]
In this work, the quaternary ammonium salt small molecule inhibitors with melamine and sodium chloroacetate as raw materials was synthesized and it has certain inhibition on the hydration swelling of bentonite. Through linear swelling test, mud ball test
Jia Jun +3 more
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In the epic search for a Northwest Passage, the narratives of explorers often described the Arctic landscape as picturesque or sublime, depending on the place, the circumstances, and the seasons. Ships that carried those intrepid explorers through this new world had ominous names such as the Terror and Erebus, that dark place between Earth and Hell. As
openaire +3 more sources
Verstetigung in der nachhaltigen Quartiersentwicklung : eine Analyse aus Sicht der Urban Regime Theory [PDF]
Städte haben in den vergangenen Jahren begonnen, eine quartiersbezogene Nachhaltigkeitspolitik zu realisieren, die auf einem netzwerkorientierten Planungsverständnis aufbaut.
M. Drilling
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Phase Behavior Analysis of CO2 and Formation Oil System
In this paper, there are nine oil samples to explore the characteristics of formation oil at different CO2 injection rate, and the characteristics include bubble point pressure, volume expansion coefficient, viscosity, density, and average molecular ...
Lei Tang +4 more
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The Fragile Body in the Functional City: An Editorial
Changing circumstances force planning to re-define its role as a driving function shaping our cities today. One of the significant challenges to the century-old tradition of planning comes from the ageing population.
Matthias Drilling, Fabian Neuhaus
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Study and Application of Combination Cementing Technology of Gypsum Salt Layer in Kuqa Piedmont Structure, Tarim Basin [PDF]
Kuqa piedmont is the main battlefield of natural gas production in the oil field and the source of west-east gas transmission. The wellbore quality is related to the safety of well construction and production. However, the well cementation quality of the
Yicheng Sun, Zhenglian Liu, Xu Song
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Study on Start-Up Process of SAGD by Solvent: Experiment Research and Process Design
Steam-assisted gravity drainage (SAGD) has been used to develop the “super heavy” oil reservoirs in Canada. The viscosity can reach more than 30,000 cp at 50°C.
Jun Sun +6 more
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Conventional heavy oil has abundant reserves and low recovery efficiency in offshore oilfields. Autogenous heat technology uses 2-3 kinds of inorganic salt solution to produce inert gas and release a lot of heat under the action of a catalyst.
Yanping Sun +6 more
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How to recognise a kick : A cognitive task analysis of drillers’ situation awareness during well operations [PDF]
Acknowledgements This article is based on a doctoral research project of the first author which was sponsored by an international drilling rig operator.
Cleland, J., Flin, R., Roberts, R.
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