Adjustable-gauge stabilizer in motor provides greater inclination control

Placement of an adjustable-gauge stabilizer within the bearing housing of a steerable motor avoids problems encountered by stabilizers located above or below the motor.In this near-bit position, changes in a stabilizer's gauge have a greater effect on wellbore inclination. Also, this placement decreases stresses on the motor.This type of adjustable-gauge motor has been run in long horizontal sections in the Middle East and has improved overall drilling rates when compared with conventional steerable motor runs.Drilling toolsThe industry has a wide range of tools for drilling increasingly complex and expensive wells. Long horizontal sections can be drilled with anything from a simple r...

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