Helstrup Ole, A.Rahman, M.Hossain, M.Rahman, S.2008-06-102008-06-102001Proceedings SPE/IADC drilling conference, 27 February - 1 March, 2001http://hdl.handle.net/2440/45289enA Practical Method for Evaluating Effects of Fracture Charging and/or Ballooning when Drilling High Pressure, High Temperature (HPHT) WellsConference paper00200776182008061011543344111