Petro Shine The Place for Oil and Gas Professionals.
Related Articles
Assessment Drilling Hydraulics in Deviated Wells
1. Generally, increased drilling rates cause:
A .Lower critical transport fluid velocity
B .Higher critical transport fluid velocity
2. For a drilling mud to lift cuttings to the surface, the average annular velocity must be less than the average slip velocity.
A .True
B .False
3. In a fluid in turbulent flow the factor determining the particle slip velocity is:
A .Viscosity of the fluid
B .Particle shape
C .Particle size
D .Fluid’s momentum
4. Which of the following is NOT a problem related with inadequate cleaning ability of a drilling mud?
A .Increased torque and drag
B .Filtrate loss
C .Premature bit wear
D .Reduced penetration rates
5. For well inclination angles exceeding 40°, the critical transport fluid velocity is the minimum annular velocity that results in no more than:
A .0% by volume annular cuttings concentration
B .5% by volume annular cuttings concentration
C .10% by volume annular cuttings concentration
D .15% by volume annular cuttings concentration
6. Annular velocities in directional drilling have to be higher than those of vertical wells in order to avoid bed formation.
A .True
B .False
Recommended for You
Directional Drilling Tools and Techniques
