Directional Drilling Handout from Texas AM

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 => 

Survey Calculation Methods –

Radius of Curvature

Balanced Tangential

Minimum Curvature

Kicking Off from Vertical

Controlling Hole Angle (Inclination)

Download here=> 

Directional Drilling  Continued

 Tool-Face Angle

Ouija Board

Dogleg Severity

Reverse Torque of Mud Motor

Download here=>

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=>