NONEXPLOSIVE DEVICE FOR PERFORATING WELL CASING AND FRACKING

摘要

The present invention provides a device for perforating a well-casing. The device includes a body that has a passageway defined in it. The passageway has a first portion and a second portion. The body is configured to transition from a first condition to a second condition. When the body is in the first condition, the first portion of the passageway is not fluidly connected to the second portion passageway. When the body is in the second condition, the first portion of the passageway is fluidly connected via the second portion of the passageway to an exterior surface of the well casing.