Method and device for drilling

Method and device for impact loosening of thread joints

Method and device for remote-controlling drill string equipment

Method and system for circulating a gas bubble from a well

Method and system for controlling an excavating apparatus

Method and system for controlling force in a down-hole...

Method and system for controlling the rotary speed stability of

Method and system for controlling well bore pressure

Method and system for controlling well fluid circulation rate

Method and system for detecting and identifying abnormal drillin

Method and system for predicting performance of a drilling...

Method and system for predicting performance of a drilling...

Method for aligning a feeding beam in a rock drilling equipment

Method for circulating and maintaining drilling mud in a wellbor

Method for controlling a drilling sequence, a rock drilling...

Method for controlling the head of a drilling or core-drilling d

Method for detecting stuck pipe or poor hole cleaning

Method for evaluating the power output of a drilling motor under

Method for monitoring drilling mud properties

Method for optimizing rock drilling