Showing 1 - 2 results of 2 for search '197647 Ormsby, George S.', query time: 0.02s Refine Results
  1. 1
    Hydrocyclones /

    Hydrocyclones / by 197647 Ormsby, George S., International Association of Drilling Contractors. Mud Circulation Subcommittee

    Published 1982
  2. 2
    Mud system arrangements/

    Mud system arrangements/ by 197647 Ormsby, George S., Young, Grant, International Association of Drilling Contractors. Mud Circulation Subcommittee

    Published 1983

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