Sucker rod stabilizer to prevent it from being eccentrically worn

Sucker rod stabilizer to prevent it from being eccentrically worn

  • CN 2,325,506 Y
  • Filed: 01/16/1998
  • Issued: 06/23/1999
  • Est. Priority Date: 01/16/1998
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of sucker rod deflection abrasion preventing centralizer is by pipe nipple (1), box cupling (7) is formed, it is characterized in that:

  • pipe nipple (1) is provided with the Cylinder of external screw thread and step for two ends, following saw-tooth ring (2) is inserted in getting out of a predicament or an embarrassing situation of pipe nipple (1) and goes up and fixed by pin (3), last saw-tooth ring (5) and pressure cap (6) embedding connection mutually, the upper end screw thread of pipe nipple (1) is connected with box cupling (7), box cupling (7) withstands on topping bar of pipe nipple (1) and pressure cap (6) is fixing with pressure cap (6), last, following saw-tooth ring (5), (2) be with two ends band saw tooth on the pipe nipple between (1), the centre is the centralizer body (4) of helical flow path.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×