Side Force and Tilt Essentially these are the forces and angles that determine and influence where the bit goes. Bit Trajectory Stabilizer gauge and placement Drill Collar length and diameter Weight on bit Rotary Speed Bit type Formation Flow rate Rate of penetration Build Assemblies To increase the build rate – longer distance between near … Continue reading Control with a Rotary Assembly
Tag: Drilling Assemblies
BHA Components
BHA Components Junk Sub – contains a narrow trough which exists in the sub to collect small pieces of metal. Shock Sub – dampens the drill bit vibration. Sacrificially prolongs the life of the drill string, bit and rig. They are not stiff when compared to drill collars. They tend to be limited to straight … Continue reading BHA Components
Stabilizing Tools
Stabilizing Tools Essentially they centre the BHA in the hole. The basic types are rotating and non- rotating. In soft rock it can gauge the hole. The rotating type has blades that are spiraled around the body. The blades can be integral, namely molded onto the body, welded to the body or fastened to the … Continue reading Stabilizing Tools