Deviation Type - Abnormal Deviation
Deviation Type - Abnormal Deviation : Usually associated with highly faulted formations having fracture planes on either side of a fault. Abrupt Deviation: Usually associated with interbedded, aniostropic, or laminar formations. Drift Deviation: Usually associated with a gradual hole angle change. Induced Deviation: Man-made, either intentional or unintentional. Rotational Deviation: Usually results from the bit moving in a slow spiral due to drill stem rotation. (Bul D20)
No records Found