Shear:

Terms Related to Shear

• Rate of shear

  Rate (commonly given in rpm) at which an action resulting from applied forces causes or tends to cause two adjacent parts of a body to ...

• Selective shear

  The ability to determine selectively, by the quantity of shear screws or pins, when a tool will set

• Bingham plastic model

  A two-parameter rheological model widely used in the drilling fluids industry to describe flow characteristics of many types of muds. Fluids obeying this model are ...

• Shear ram preventer

  A blowout preventer that uses shear rams as closing elements.

• Shear ram

  The component in a blowout preventer that cuts, or shears, through drill pipe and forms a seal against well pressure. Shear rams are used in ...

• Pseudoplastic

  Having the capability of changing apparent viscosity with a change in shear rate. Pseudoplastic fluids gain viscosity when subjected to a decrease in shear rate, ...

• Selective-set shear

  The ability to predetermine where a tool will set or release.