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Hook load will be seen to reduce when the bit touches the bottom of the hole in vertical wells. Which of the following statements best explains this reduction?

Hook load will be seen to reduce when the bit touches the bottom of the hole in vertical wells. Which of the following statements best explains this reduction?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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### Question 1 **Prompt:** Hook load will be seen to reduce when the bit touches the bottom of the hole in vertical wells. Which of the following statements best explains this reduction? **Options:** - After the contact, mud flow rate increases - Any form of support neutralizes the effect of buoyancy - After the contact, mud viscosity decreases - Some of the weight is applied on the bit ### Question 2 **Prompt:** The mud is propelled at high speed at the top of an inverted cone along a tangent. Centrifugal forces press the larger and heavier solids to the side of the cone. This process is found in the following rig equipment: **Options:** - Shale shaker - Mud pump - Degasser - Mud cleaner
Transcribed Image Text:### Question 1 **Prompt:** Hook load will be seen to reduce when the bit touches the bottom of the hole in vertical wells. Which of the following statements best explains this reduction? **Options:** - After the contact, mud flow rate increases - Any form of support neutralizes the effect of buoyancy - After the contact, mud viscosity decreases - Some of the weight is applied on the bit ### Question 2 **Prompt:** The mud is propelled at high speed at the top of an inverted cone along a tangent. Centrifugal forces press the larger and heavier solids to the side of the cone. This process is found in the following rig equipment: **Options:** - Shale shaker - Mud pump - Degasser - Mud cleaner
Expert Solution
Part 1

Hook load will seen to reduce when the bit touches the bottom of the hole in vertical wells. This is because any type of support reduces the hook load.

Hook load is maximum when there is no support, for example when the bit is suspended freely in the air.

Therefore, the correct option will be:

Any form of support neutralizes the effect of buoyancy.

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