Patent ID: 9163497
Filing Date: 2015-10-20
Classification: E21B,G06F

Abstract:
1. A non-transitory computer-readable medium having stored thereon computer-readable instructions that when executed by a computing device cause the computing device to: receive measured drilling data that includes a value measured for an input variable during a previous connection event of a first drilling operation; determine a predicted value for a fluid flow back measure by executing a predictive model with the measured drilling data as an input, wherein the predictive model is determined using previous drilling data that includes a plurality of values measured for the input variable during a second drilling operation, wherein the second drilling operation is a previous drilling operation that drilled holes at a different geographic wellbore location than the first drilling operation; receive a fluid flow back measurement datum determined from sensor data generated by a sensor used as part of the first drilling operation; compare the received fluid flow back measurement datum to the determined predicted value for the fluid flow back measure; and trigger an alarm on the first drilling operation based on the comparison, wherein the alarm is triggered when the received fluid flow back measurement datum is greater than P