In situ investigation of phosphonate retarder interaction in oil well cements at elevated temperature and pressure conditions
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The effect of a high-performance retarding additive in oil well cements was investigated under elevated temperature (165°C) and pressure (1000 psi) conditions via in situ synchrotron-based X-ray diffraction (XRD) and quasielastic neutron scattering (QENS) tec... ...