Program to develop improved downhole drilling motors. Final report

Abstract

Engineering) James G. W i 1 son NOTICE tprmmred by the Unitcd States Conrnmnt. Neither the United Stater nor the United Stater apPvrrnt of hw, nor my of their omployea, nor my of U~eu m y vrmnty, aprcu or Implied. OT uaumn MY kgl lhbility or mponability for the IseUnCy, cmnpleteness a usefulness of MY infomtion, ~pparatw. pmdwt OI pman dirlacd, or uprcrnb th.1 iu use would not DonV.StOIl, N k O n V I C l O I I. OI lhck atlpioyctr. maker