WITSML - Bottom hole assembly drilling parameters component schema Operating time spent by bit for run. Measured depth at start. Measured depth at stop. A pointer to the tubular assembly. Hookload - rotating. hkldUp-hkldRot. hkldRot-hkldDown. Hookload - string moving up. Hookload - string moving down. Average Torque - on bottom. Maximum torque - on bottom. Minimum torque - on bottom. Average torque - off bottom. Average torque - downhole. Weight above jars. Weight below jars. Mud density. Pump flow rate. Bit hydraulic. Bit nozzle average velocity. Pressure drop in bit. Time spent on hold from start of bit run. Time spent steering from start of bit run. Time spent rotary drilling from start of bit run. Time spent slide drilling from start of bit run. Time spent circulating from start of bit run. Time spent reaming from start of bit run. Distance drilled - rotating. Distance drilled - sliding Distance reamed. Distance covered while holding angle with a steerable drilling assembly. Distance covered while actively steering with a steerable drilling assembly. Average turn rate (commonly in rpm) through Interval. Maximum turn rate (commonly in rpm). Minimum turn rate (commonly in rpm). Average turn rate (commonly in rpm) downhole. Average rate of penetration through Interval. Maximum rate of penetration through Interval. Minimum rate of penetration through Interval. Surface weight on bit - average through interval. Weight on bit - maximum. Weight on bit - minimum. Weight on bit - average downhole. Reason for trip. Objective of bottom hole assembly. Azimuth at start measured depth. Azimuth at stop measured depth. Inclination at start measured depth. Maximum inclination. Minimum inclination. Inclination at stop measured depth. Maximum mud temperature downhole during run. Average pump pressure. Flow rate at bit. Comments and remarks. Unique identifier for the parameters.