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How does Turning rate (RT) affects my Inclination (I) when building up at a certain rate?

How does Turning rate (RT) affects my Inclination (I) when building up at a certain rate?

How does Turning rate (RT) affects my Inclination (I) when building up at a certain rate?

(OP)
I am working with my colleagues on a spreadsheet for Well Profile calculations.
IF per say at a particular point I have a RT=0.095106969971°/30m, Toolface(TFO)=0.7R, DLS=2.664°/30m, Prevous I=20°, change in measured depth DeltaMD=6.80m,Azimuth grid=106.70155757986° how do I calculate for my BUR (Build up rate)? I used BUR=DLS*Cos(TFO), but i ain't getting the accuracy i am supposed to. PS: V.Sec Azimuth =111.04°,
Thank you

RE: How does Turning rate (RT) affects my Inclination (I) when building up at a certain rate?

Hi
Wish you forgive my replying with no answers to your question but rather asking you for help!
I teach engineering courses in academia here in Egypt and also volunteer to teach extracurricular courses to help engineering seniors prepare for interviews in topics that are outside their main discipline. One of such extracurricular courses I am teaching now is "Introduction to Drilling Engineering Fundamentals". My students are mainly petrochemical and chemical engineering plus a few geology and chemistry science seniors, Alexandria University. In last day's lecture a student asked me a surprise question lucky enough after the students left the class and my reply was bluntly: I don't know!
His question: You said that after each other "connection" a survey is done to check for the verticality of the Wellbore (I told my students that this "verticality" doesn't exist in the English language, just guessing but the Word redline confirmed), to find out if there is any "inclination". But you didn't complete this point: what if there is an inclination from verticality? What the Drillers should do to get back to verticality???
Sir; From your question I anticipate you are the expert for replying on that student's question. You would help me to learn what I couldn't find in any of the published academic courses on the Internet and then help me to provide the answer to that clever student.
Please forgive my lengthy composition for such a simple & easy question in your profession.
A. Helmi, PhD, Petroleum GeoChemistry
Retired GM, Petroleum Industry

RE: How does Turning rate (RT) affects my Inclination (I) when building up at a certain rate?

DreamyOiler- New thread for new question- Red Flag this post- then I tell you what I remember from my memory of my Petroleum Diploma.

http://www.eng-tips.com/threadminder.cfm?pid=1529
Use translation assistance for Engineers forum

Note the rules include No Student posting

RE: How does Turning rate (RT) affects my Inclination (I) when building up at a certain rate?

I managed to find answer for my question wondering what can be done if drilling a vertical well deviates from verticality: In a Textbook: Well Logging for Earth Scientists: Deviation in Vertical Wells usually happens and it can get to 5 degrees. This means that in the industry, real world, it is hard to drill a vertical well with zero degree deviation. Wish if the real world Drillers confirm this info. Thanks in advance.

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