Short piece movable nylon paraffin cutting centralizer for sucker rod

Short piece movable nylon paraffin cutting centralizer for sucker rod

  • CN 2,531,100 Y
  • Filed: 05/15/2002
  • Issued: 01/15/2003
  • Est. Priority Date: 05/15/2002
  • Status: Active Grant
First Claim
Patent Images

1. , the movable nylon paraffin cutting of a kind of sucker rod short circuit centralizer, its composition comprises by the short circuit of forming with two connectors (5) of connecting rod (4) two ends Joint (2), is enclosed within the centralizer (1) that external surface on the connecting rod (4) has helical rib (3), it is characterized in that fin (3) on the described centralizer (1) and the angle α

  • between short circuit (2) axis are 5 °



    14 °

    .

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