MS Directional UPDATED Exam Questions and CORRECT Answers
0 view 0 purchase
Course
MS Directional
Institution
MS Directional
MS Directional UPDATED Exam
Questions and CORRECT Answers
What are the three parameters actually measured in a survey - CORRECT ANSWERInclination
Azimuth
Measured Depth
What is the aproximate inclination of a horizontal well - CORRECT ANSWER- 90 degrees
If the well is drilling due west, how...
MS Directional UPDATED Exam
Questions and CORRECT Answers
What are the three parameters actually measured in a survey - CORRECT ANSWER-
Inclination
Azimuth
Measured Depth
What is the aproximate inclination of a horizontal well - CORRECT ANSWER- 90 degrees
If the well is drilling due west, how would this be expressed as an Azimuth and what are the
units? - CORRECT ANSWER- 270 west
Which town does the 0 degree of longitude pass? Which country is that in? What is it called?
- CORRECT ANSWER- Greenwich England
Prime Meridian
What defines the international date line - CORRECT ANSWER- 180 from Prime Meridian
(Pacific Ocean)
If the equator has zero degrees of latitude, what is the latitude of the North Pole? -
CORRECT ANSWER- 90 degrees
Which depth is measured and which is calculated, MD or TVD - CORRECT ANSWER-
Measured - Measured Depth
Calculated - True Vertical Depth
What does RKB & DF stand for, and what do they have to do with the depth of a well? -
CORRECT ANSWER- RKB - Rotary Kelly Bushing
DF - Drill Floor
Used for reference
, What is the difference between drift and inclination - CORRECT ANSWER- Inclination -
Angle of wellbore parallel to direction of earths gravity
Drift - Inclination greater than 90 degrees (up)
What are the three references for North usually used in directional surveying? - CORRECT
ANSWER- Magnetic North
Grid North
True (Geographic) North
When is grid north and True north the same? - CORRECT ANSWER- Only at a central
meridian
If a well bore survey has a magnetic Azimuth of 125 and the declination for that location 2
East, what is the true north azimuth? - CORRECT ANSWER- 127
Declinations - CORRECT ANSWER- West - subtracted
East - added
Drilling with a highside (gravity toolface) of 135 r would do what to a wells trajectory? -
CORRECT ANSWER- Down + right
What is the crossover angle (inclination threshold) and what is a typical value for most tools?
- CORRECT ANSWER- magnetic to gravity
4 degrees
What does a magnetometer measure - CORRECT ANSWER- Earths local magnetic field
If one of the magnetometer sensors fails, will it affect the inclination reading? - CORRECT
ANSWER- No
If one of the magnetometer sensors fails, will it affect the azimuth reading? - CORRECT
ANSWER- Yes
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
