... of this relationship, coupled with the increased sensitivity and reproducibility of the mechanical spectrometer, allows an examination of the data analysis techniques currently used in the industry. Copyright 1985, Society of Petroleum Engineers apparent viscosity drilling fluid property experiment...

... measured under representative shear conditions (±100 s −1 ) are used. The equipment used to measure leakoff under representative fracturing conditions is described in the next section. leakoff coefficient drilling fluid property leakoff additive filter cake spurt loss drilling fluid selection...

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... that will give incorrect, considerably higher leakoff when applied to field conditions. 28 2 1983 17 9 1984 19 7 1984 1 8 1985 1 8 1985 Copyright 1985, Society of Petroleum Engineers drilling fluid selection and formulation drilling fluids and materials drilling fluid...

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... productivity. 13 9 1977 21 9 1983 7 3 1983 1 4 1984 1 4 1984 Copyright 1984, Society of Petroleum Engineers drilling fluid property drilling fluid chemistry settlement drilling fluid formulation drillstem/well testing viscosity closure leakoff drillstem testing...

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..., Society of Petroleum Engineers enhanced recovery monosulfonate drilling fluid formulation sulfonation polysulfonate petroleum sulfonate upstream oil & gas average equivalent weight drilling fluid property concentration fraction equivalent weight chemical flooding methods cyclic...

... 1982 1 2 1983 1 2 1983 Copyright 1983, Society of Petroleum Engineers clay particle reduction permeability reduction drilling fluid property capture coefficient water sensitivity fluid dynamics fresh water particle permeability pressure drop drilling fluids...

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