I would like to share very useful Power Point slide in the topic of directional drilling which is belong to Texas A&M university, USA.
Directional Drilling –
When is it used?
Type I Wells (build and hold)
Type II Wells (build, hold and drop)
Type III Wells (build)
Directional Well Planning & Design
Survey Calculation Methods
Download here => http://bit.ly/MDWxip
Survey Calculation Methods –
Radius of Curvature
Balanced Tangential
Minimum Curvature
Kicking Off from Vertical
Controlling Hole Angle (Inclination)
Download here=> http://bit.ly/LqCnfK
Directional Drilling Continued
Tool-Face Angle
Ouija Board
Dogleg Severity
Reverse Torque of Mud Motor
Download here=> http://bit.ly/NAI1Hj
The Wellbore Trajectory Control –
Bent Motor and Bent Sub
Examples
Directional Drilling Measurements
Single Shot and Multishot
Magnetic and Gyro
Steering Tools
MWD tools
Download here=> http://bit.ly/KO78Ky
