Abstract: A vibratory separator (in one aspect, a shale shaker) and methods for using it, the separator in certain aspects having a base, a basket movably mounted on the base, screen apparatus on the basket, material flowing onto the screen apparatus for treatment, at least a portion of the screen apparatus not inclined downhill (e.g. said portion horizontal or uphill), electromagnetic vibratory apparatus connected to the basket for vibrating the basket and the screen apparatus, driving apparatus for driving the electromagnetic vibratory apparatus, and control apparatus (on-site and/or remote) for controlling the driving apparatus and the electromagnetic vibratory apparatus; the material, in one aspect, being drilling fluid material with solids therein.

Abstract: A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the basket for vibrating the basket, screen apparatus supported by the basket, the material flowing onto the screen apparatus for treatment, angle adjustment apparatus connected to the basket for adjusting angle of the basket, sensor apparatus for sensing a parameter indicative of basket angle and for providing a signal corresponding to said basket angle, control apparatus for receiving signals from the sensor apparatus and for controlling basket angle based on said signals, the angle adjustment apparatus, in one particular aspect, including a rocker arm assembly with a first pivotable end.

Abstract: A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the basket for vibrating the basket, screen apparatus supported by the basket, the material flowing onto the screen apparatus for treatment, angle adjustment apparatus connected to the basket for adjusting angle of the basket, sensor apparatus for sensing a parameter indicative of basket angle and for providing a signal corresponding to said basket angle, control apparatus for receiving signals from the sensor apparatus and for controlling basket angle based on said signals, the angle adjustment apparatus, in one particular aspect, including a rocker arm assembly with a first pivotable end.