Q3:

(25 Points)

It has been decided to sidetrack a well from 1500 ft. The sidetrack will be a build and hold profile

with the following specifications:

TVD of Bottom of Hole:

Horizontal departure:

Build up Rate:

Calculate the following:

10000 ft.

3500 ft.

1.5° per 100 ft.

(a) Radius of curvature

(b) Drift angle of the well.

(b) TVD, MD and horizontal departure at the end of buildup section

(c) TVD, MD and horizontal departure at the midpoint of buildup section

(d) TVD, MD and horizontal departure at the midpoint of tangent section

(e) Length of the arc and length of tangent

(f) Total measured depth to the target./nQ4:

(25 Points)

A slant hole is to have a target depth of 5374 ft from mean sea level with 2147 ft south coordinate

and 3226 ft east coordinate. The rotary bushing elevation is 780 ft from mean sea level. The

magnetic declination is 6° east, KOP is 1510 ft and BUR is 20/100 ft. Find:

1. Target closure and azimuth

2. Maximum inclination angle

3. MD, TVD, and departure at EOB

4. MD, TVD, and departure at target

5. MD, TVD, and departure at 3000 ft

6. MD, TVD, and departure at 5426 ft