METHOD AND COMPOSITION FOR DETERMINING HARDNESS IN WELLBORE FLUID FILTRATE
摘要
Disclosed herein is an indicator precursor composition for determining the hardness of a wellbore fluid filtrate comprises a colorimetric indicator and a buffer comprising a salt of a weak acid and a strong base, wherein the indicator precursor composition is a dry solid. Also disclosed is a method to determine the hardness of a wellbore fluid filtrate.
申请公布号
WO2010036620(A3)
申请公布日期
2010.07.01
申请号
WO2009US57706
申请日期
2009.09.21
申请人
M-I L.L.C.;HORTON, ROBERT, L.;PRASEK, BETHICIA, B.