Drilling Engineering - A Roller Cone Drill Bit - The Mud Weight for a Well - Engineering Assignment Help

Assignment Task:

Section A 

A1. Describe three features of a roller cone drillbit used for a soft claystone. 

A2. Describe the three most common methods for assessing the performance of a drillbit when it has completed its run? 

A3. What are two main criteria used to quantify the mudweight for a well?  

A4. What are two other (in addition to the above) reasons for keeping the mudweight in a well as low as possible. 

A5. Describe three of the principle indicators that an influx had occurred whilst drilling ahead 

A6. What are two advantages and two disadvantages of oil based mud as opposed to water based mud? 

A7. What are two of the main properties of a drilling mud and what are the laboratory equipment used to test the mud for these properties. 

A8 Briefly describe three components of subsea equipment which are run between the wellhead and rig when drilling a subsea well. 

A9. What are three differences between a surface and subsea wellhead.

A10. Describe two downhole components of an MWD system. 

A11. What are three reasons for using an MWD tool.

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