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In: Mechanical Engineering

Directional drilling is much more than simply selecting a well path and hole angle. It includes...

Directional drilling is much more than simply selecting a well path and hole angle. It includes selecting the most appropriate survey techniques, defining the best control tools, researching applicable government regulations, and gathering pertinent geological data. By considering the following aspects explain how these factors affecting your directional drilling choice to apply a proper technique to achieve your target.

i. Reasons for use directional drilling technique.

ii. Problems associated with directional drilling.

iii. All variables required for directional well planning.

iiii. Oil well Production.

v. Formation hardness

vi. With the help of sketch drawing, the Drill string Considerations plays an important role in the directional drilling. ?

vii. Errors associated with taking a survey.

viii. With the help of sketch drawing, techniques are used for allowing the wellbore path to drift into the target?

deep vs shallow kickoff points.

c) Discuss bit features affect directional drilling and explain why?

d) Calculate the measured lengths, vertical depths and horizontal displacements of each section of the following S-shaped well designed to avoid a salt dome, using the following data.

Kick-off depth = 1,200 ft

Build-up rate = 2.0 degrees/100 ft

Drop-off rate = 3.5 degrees/100 ft

TVD at end of drop-off section (V4) = 8157 ft

Total horizontal displacement (D3) = 2136 ft

Final inclination angle in reservoir = zero degrees

Expert Solution

samet mamat answered 2 years ago

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