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متالوژی::
گل حفاری
Oil well drilling: Sodium bentonite is used as an additive to the drilling mud to the extent of 20-30% depending on the drilling conditions and the quality of bentonite.
Drilling mud serves to lubricate and cool the rotary cutting bits and also to bring the chips and powders up from the bore hole.
(i) It should increase viscosity of the drilling mud.
Oil well drilling: Drilling mud serves to lubricate and cool the rotary cutting bits and also to bring the chips and powders up from the bore hole.
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