Patents Assigned to Enterra Patco Oilfield Products Inc.
  • Patent number: 5487426
    Abstract: A rod guide with removable vanes provides the capability of using one wear-resistant material for the erodable volume of the rod guide and another, stock material for the body that holds the vanes. When the vanes of the rod guide are expended, they are removed and replaced and the body is reused. In this way, sucker rod segments can be quickly and easily refurbished in the field with significant savings in transport time. High value wear-resistant materials are placed where the wear occurs and the remainder of the rod guide is made of a material that can be used for an extended period of time in the harsh down-hole environment.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: January 30, 1996
    Assignee: Enterra Patco Oilfield Products Inc.
    Inventor: Dan E. O'Hair