FLUID LOSS SENSOR AND METHOD

摘要

The invention discloses a sensor 100 and method for measuring fluid loss. The fluid loss sensor comprises: a first fluid container 102, comprising a permeable section 104, a fluid inlet 122 and a first fluid outlet 128; a second fluid container 106 enclosing an outer surface of the permeable section and having a second fluid outlet 114; and a fluid flow sensor 116 for measuring fluid flow in the second fluid outlet 114. The sensor comprises automated cleaning means, enabling automated cleaning for an automated drilling operation.