Improvement and application of drilling fluid technology for gas exploration wells in Yanchi block [PDF]
E3S Web of Conferences, 2022 Currently, the exploration and development scope of Changqing oilfield has gradually developed to edge blocks and deep systems, typically of Yanchi block.
Wang Hao, Wei Yan
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Study on selective plugging characteristics and oil displacement mechanism of microsphere in porous media [PDF]
MATEC Web of Conferences, 2022 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]
E3S Web of Conferences, 2022 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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Hawaii Scientific Drilling Project 1993 [PDF]
, 1994 Content: Project Summary, History of Hawaii Project, Permit History, Continental Scientific Drilling Office's Role, Setup and Coring of Kahi Puka Site, Downhole Problems, Cures for Problems, Conclusions, Appendices: Correspondence for Increase in Depth ...
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Verstetigung in der nachhaltigen Quartiersentwicklung : eine Analyse aus Sicht der Urban Regime Theory [PDF]
Geographica HelveticaStädte haben in den vergangenen Jahren begonnen, eine quartiersbezogene Nachhaltigkeitspolitik zu realisieren, die auf einem netzwerkorientierten Planungsverständnis aufbaut.
M. Drilling
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Induced drilling strains in glass fibre reinforced epoxy composites [PDF]
, 2013 Residual strains induced by drilling of glass-fibre reinforced polymers (GFRP) were determined using a hybrid experimental-numerical methodology. Experimentally, a set of GFRP specimens were drilled under well-defined tensile (calibration) stresses ...
STIFFEL, J.-H. +16 more
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The Fragile Body in the Functional City: An Editorial
Urban Planning, 2019 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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Tool wear monitoring and hole surface quality during CFRP drilling [PDF]
, 2014 The present investigation focuses on the evaluation of tool wear and surface integrity in the context of CFRP cutting. Series of drilling experiments were performed on CFRP plates using cemented carbide solid drills with the aim to investigate ...
RAMIREZ, Christophe +3 more
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Evaluation of the performance of coated and uncoated carbide tools in drilling thick CFRP/aluminium alloy stacks [PDF]
, 2013 This paper aims to establish the wear mechanisms of coated and uncoated tungsten carbide drills when drilling carbon fibre reinforced plastics (CFRP)/aluminium alloy (Al) stacks. During the drilling experiments, thrust forces were measured.
MONTOYA, Maxime +3 more
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Phase Behavior Analysis of CO2 and Formation Oil System
Geofluids, 2021 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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