Patent ID: 8615363

Claim:
A computer-implemented method of monitoring a drilling operation, the method comprising: a. receiving a data stream from a drilling rig, the data stream including a plurality of real time sensor logs associated with the operation of a drill string used in the drilling operation; b. processing the received data stream to generate a computerized current case record including data representing a current drilling situation; c. comparing the computerized current case record with a set of past case records stored in computer memory in a case base; d. identifying one or more past case records that match the current drilling situation as defined by the current case record to a degree of similarity above a predetermined threshold level; e. providing a visual display of matching cases identified in (d) which allows a user to retrieve and view details of the stored past cases; and, f. repeating (a) to (e) over time, thereby to update the visual display of matching cases.