Browsing NIVA-rapporter by Subject "oildrilling"
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Tests on degradation of a new drill mud type under natural conditions
(NIVA-rapport;2538, Research report, 1991)Petrofree and Base Oil cuttings from offshore drillings were degradation tested in seminatural sea bottom ecosystem. dltrofree is a mixture of fatty acid esters. After 93 days the reduction in ester was significant and ...