Abstract
Directional wells present a number of drilling problems in addition to those encountered in vertical wells. These additional problems are related to factors such as the well profile and the reduced axial component of gravity acting along the borehole. As the angle of inclination increases, drilling problems become more severe. The particular problems related to highly deviated wells (i.e. those with inclinations over 60°) will be dealt with in the next chapter.
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Further Reading
“Oil mud aids in reducing problems and cost of North Sea platform development drilling”, B. J. Holder, S.P.E. paper no. 8160.
“Drilling, evaluating and completing high angled wells in the North Sea”, N. Woodall-Mason, S.P.E. paper no. 8161.
“Conoco cuts North Sea drilling time by 40%”, J. Shute and G. Alldredge, World Oil,July 1982.
“Cumulative fatigue damage of drill pipe in dog legs”, J. E. Hansford and A. Lubinski, Journal of Petroleum Technology,March 1966.
“Maximum permissible dog legs in rotary boreholes”, A. Lubinski, Journal of Petroleum Technology,February 1961.
“Top drive drilling for deviated wells”, The Oilman,April 1984.
“How to free a stuck string”, M. W. Aulenbacher, Drilling—DCW,June 1976.
“Spot fluid quickly to free differentially stuck pipe“, H. D. Outmans, Oil and Gas Journal,15 June 1974.
“Casing Wear: Laboratory Measurements and Field Predictions”, J. P. White and R. Dawson, S.P.E. paper no. 14325.
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© 1987 T. A. Inglis
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Inglis, T.A. (1987). Drilling Problems in Directional Wells. In: Directional Drilling. Petroleum Engineering and Development Studies, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1270-5_10
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DOI: https://doi.org/10.1007/978-94-017-1270-5_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-5804-1
Online ISBN: 978-94-017-1270-5
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