Podcast
Questions and Answers
What is the main purpose of a whipstock?
What is the main purpose of a whipstock?
- To extract oil from wells
- To create new wells
- To mill casing windows for sidetracking existing wells (correct)
- To prevent drilling
What is the function of the chisel point at the bottom of a whipstock?
What is the function of the chisel point at the bottom of a whipstock?
- To extract oil
- To guide the drill bit
- To mill the casing
- To prevent the tool from turning (correct)
How is a standard removable whipstock used?
How is a standard removable whipstock used?
- To fill holes with cement
- To remain permanently in the well
- To kick off wells and for sidetracking (correct)
- To extract oil from wells
What components are part of a drilling assembly used with a standard removable whipstock?
What components are part of a drilling assembly used with a standard removable whipstock?
How is the drilling bit directed in the required direction using a whipstock?
How is the drilling bit directed in the required direction using a whipstock?
In what year is the text discussing the use of whipstocks?
In what year is the text discussing the use of whipstocks?
What is the primary method of deflecting wells discussed in the text?
What is the primary method of deflecting wells discussed in the text?
In jetting, what is considered the 'toolface'?
In jetting, what is considered the 'toolface'?
What is the purpose of the bent sub in downhole motors according to the text?
What is the purpose of the bent sub in downhole motors according to the text?
What happens when drilling is carried out with no surface rotation to the drillstring with bent subs?
What happens when drilling is carried out with no surface rotation to the drillstring with bent subs?
Which component's degree of curvature largely determines the deflection of the drillbit?
Which component's degree of curvature largely determines the deflection of the drillbit?
What replaced the bent sub in deflecting wells as per the text?
What replaced the bent sub in deflecting wells as per the text?
What is the purpose of the bent housing angle in a steerable motor?
What is the purpose of the bent housing angle in a steerable motor?
How does a steerable motor function in the sliding mode?
How does a steerable motor function in the sliding mode?
Why are single shot surveys not accurate in orienting steerable motors?
Why are single shot surveys not accurate in orienting steerable motors?
What tool is usually run with steerable motor assemblies to provide real-time survey and orientation data?
What tool is usually run with steerable motor assemblies to provide real-time survey and orientation data?
What effect does having only a small bit offset create in drilling operations?
What effect does having only a small bit offset create in drilling operations?
In rotary mode, what happens when a steerable motor is 'locked' with respect to trajectory?
In rotary mode, what happens when a steerable motor is 'locked' with respect to trajectory?
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