The bentonite of A.P.I standard and OCMA which made by our co***ny, it has the following excellence: good suspension property and thixotropy, easy to use and easy to make wall, small filtering amount, easy to change the specific weight of drill well solid, etc. it¡¯s essential basic materials for all the deep welland sea well projects. It accords with the standard of petroleum industry sy5060-85,the target of first grade bentonite, also accords with the A.P.I standard of U.S.A.
ViscosityData at600rpm Filteringam-ount(ml) Dynamicshear-engto rate plasticviscosily Moisture Wet sieve anaiysis
First grade bentonite ¡Ý30 ¡Ü15 ¡Ü3 ¡Ü10 ¡Ü4
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