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12. (10pts) Calculate the Dogleg Severity (DLS) between the following two survey

ID: 296099 • Letter: 1

Question

12. (10pts) Calculate the Dogleg Severity (DLS) between the following two surveys in the curve of a 3-D arc. Survey B INC (N) 12.2 deg Survey A deg AZM (e) 227.3 deg 5906 5905.6 INC (a)7.8 AZM (EN) 234.1 deg 5951 MD (ft) TVD (ft) MD (ft TVD (ft) 5949.9 13. (10pts) What location in the wellbore was Survey B taken? (ie. vertical, curve, tangent, lateral) 14. (15pts) Research modern Rotary Steerable Systems (RSS) on the market. a. In 1-2 paragraphs, explain the product(s) you found, who the service company is that provides this tool include how it steers the bit, and what are some pros/cons to the tool?

Explanation / Answer

Dogleg severity is a measure of the amount of change in the inclination, and/or azimuth of a borehole, usually expressed in degrees per 100 feet of course length. So it is a CURVE, in curve location survey B taken.