Abstract: A shale shaker that includes a base, a basket, a vibrator interconnected with the basket, and two shaker screens releasably mounted on the basket, with the first shaker screen having a discharge end, with the second screen having a first end with a seal abutted thereto, with the second screen positioned such that the seal is positioned below the first shaker screen, and positioned so that discharge from the first screen will not discharge onto the seal.

Abstract: A drill cuttings dryer that includes a centrifuge especially adapted to process drill cuttings; a torque converter in communication with the centrifuge; a motor; and, a drive shaft in communication with both and linking the motor and torque converter. A method of processing drill cuttings containing a liquid by introducing the drill cuttings to centrifuge, and then providing power from a motor to power the centrifuge and subject the drill cuttings to centrifugal force sufficient to remove at least some of the liquid from the drill cuttings, wherein the motor provides power to the centrifuge through a drive shaft. A method of retrofitting a drill cuttings dryer that utilizes a belt and sheave system, includes replacing the belt and sheave system with a drive shaft based system.

Abstract: A shale shaker that includes a base, a basket, a vibrator interconnected with the basket, and two shaker screens releasably mounted on the basket, with the first shaker screen having a discharge end, with the second screen having a first end with a seal abutted thereto, with the second screen positioned such that the seal is positioned below the first shaker screen, and positioned so that discharge from the first screen will not discharge onto the seal.