Offset joint for downhole tools

Offset joint for downhole tools

  • CN 102,191,918 A
  • Filed: 03/16/2011
  • Published: 09/21/2011
  • Est. Priority Date: 03/16/2010
  • Status: Active Application
First Claim
Patent Images

1. type variable offset joint (10) that is used for downhole tool (20) comprising:

  • First underground component (30);

    Second underground component (40);

    A plurality of intermediary element (52,54), it is connected to described first underground component (30) respectively pivotally and goes up and be connected on described second underground component (40) at the second end place at the first end place;

    AndCoupler component (60), it is in described a plurality of intermediary element (52,54) extend between at least two in, and be suitable for keeping selectively the lateral shift between described first underground component (30) and described second underground component (40), described coupler component (60) also comprises be suitable for the weak district (66) of breaking when the tension force that is applied thereto surpasses predetermined threshold.

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