HORIZONTAL DRILLING TECHNIQUE OF MVR 107 WELL IN ANACO OILFIELD,VENEZUELA

The target zone of MVR107 well is a thin pure sandstone gas reservoir To ensure to penetrate the target reservoir in horizontal section,a pilot hole with a deviation angle of 56.95 degree was firstly drilled to calibrate the depth and thickness of the target,then plugged back.After that,programmed the trajectory and sidetracked from the pilot hole.During the later operation,the program was changed 4 times.The first horizontal well in this area was completed successfully with proper drilling parameters and BHA.This article presented the engineering program,trajectory control and typical BHA in details and related techniques,including bit selections,oil-based mud maintenances and rig equipments etc.