Patent ID: 11959343
Assignee: WORKOVER SOLUTIONS, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 15:
16. The drilling system of claim 1, further comprising:
a second driving device, the second driving device configured to convert hydraulic or pneumatic horsepower into mechanical horsepower; and
a second separation device disposed upstream of the second driving device and including an external housing, the external housing of the second separation device including a sidewall; the second separation device including a filter flow path and a flush flow path; wherein the flush flow path of the second separation device extends to a flush outlet on an outer surface of the second separation device, the flush outlet of the second separation device being in direct fluid communication with a second section of the annulus between the outer surface of the second separation device and the wellbore, the flush outlet of the second separation device comprising a port extending through the sidewall of the external housing of the second separation device;
wherein the second separation device is configured to filter at least a portion of any solids from the drilling media flowing through the filter flow path of the second separation device; and
wherein the second separation device is configured to flush at least a portion of the filtered solids through the flush outlet of the second separation device and into the second section of the annulus when the drilling media flows through the flush flow path of the second separation device.