... access,total intrinsically safe circuit”,the mud circulation tank is well received by the drilling crew. ... , elegant appearance,and reduce the weight of tank body.2.The solids control equipments are rationally ... 3.With the zinc-coated steel grating,the tank level is fine-looking,portable,corrosion-resistant,and ... for corrosion protection and well materials,the tank has high surface strength,and is fine- ...