Perforating tandem sub with thermoplastic core and body and encapsulated pin
AssigneeUniarmour LLC
InventorsAlessandro CACCIALUPI, Hazem Abdel HALIM
Life of this patent
Estimating the term…
Abstract
A hybrid sub for perforating guns includes a metallic tubular body. A metallic pin member is encapsulated by a plastic body. The plastic body preferably has threads on exterior surface thereof which form a thread union with threads on the interior surface of the metallic tubular body. The pin member may be threadedly received in the interior plastic body. A perforating gun sub having a pin member encapsulated by a plastic body is also disclosed, wherein the need for an outer metallic tubular body is eliminated.
Claims20
A sub for perforating guns comprising:
- a metallic tubular body having an interior with female threads on a surface thereof;
- a plastic body having male threads on an exterior surface thereof;
- said plastic body being threadedly received in the interior of said metallic tubular body;
- and
- a metallic pin member extending through the interior of said metallic tubular body, said pin member being encapsulated by said plastic body.
A sub for perforating guns comprising:
- a plastic body having male threads on an exterior surface thereof;
- and
- a metallic pin member extending through an interior of said plastic body, said pin member being encapsulated by said plastic body.,
A sub for perforating guns comprising:
- a metallic tubular body having an interior with female threads on a surface thereof;
- a plastic body having male threads on an exterior surface thereof;
- said plastic body being threadedly received in the interior of said metallic tubular body;
- and
- a metallic pin member extending through the interior of said metallic tubular body, said pin member being encapsulated by said plastic body, said pin member having male threads on an exterior surface thereof, said plastic body having female threads on an interior surface thereof, said pin member being threadedly received in an interior of said plastic body.
Dependencies are inferred from the claim text.