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          • Crossover Sub
          Name:Crossover Sub
          Name:Crossover Sub
          Standard:API 7-1
          Length:36
          Size:customed
          Material:4145H
          Color:Black
          Application:Well Drilling
          Processing:Forging

          Product Description

          A crossover sub is used to crossover from one connection size to another or as the disposable component used to extend the connection life of a more expensive drill stem member.

          Crossover subs are available with:

          1. box x pin

          2. box x box or

          3. pin x pin connections.

          Crossover Subs are manufactured from 4145H alloy steel. The connections are protected by a phosphate surface coating that minimizes galling on initial make-up.

           Crossover sub

          Description

          Upper Connection pat

          Lower Connection Part

          Type

          Kelly cross-over sub

          Kelly

          Drill pipe

          A or B

          Drill pipe cross-over sub

          Drill pipe

          Drill pipe

          A or B

          Interim cross-over sub

          Drill pipe

          Drill collar

          A or B

          Drill collar cross-over sub

          Drill collar

          Drill collar

          A or B

          Drill bit cross-over sub

          Drill collar

          Drill bit

          A or B

          Swivel cross-over sub

          Swivel lower sub

          Kelly

          C

          Fishing cross-over sub

          Kelly

          Drill pipe

          C

          Drill pipe

          Fishing tools

          C

          Crossover sub can be customized as per customer's design.




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