Modulated formation perforating apparatus and method for fluidic jetting, drilling services or other formation penetration requirements

摘要

Apparatus, systems, and methods, for perforating a downhole object while minimizing collateral damage to other objects, include use of a perforating device having a body, at least one fuel source having a characteristic that produces a selected mass flow rate, a selected burn rate, or combinations thereof, and an initiator for reacting the fuel to project a force through at least one port in the body. Characteristics of the at least one fuel source can include use of differing fuel types, shapes, and placement to achieve the desired mass flow rate or burn rate, and thus, a controlled force from the apparatus. An anchor or similar orienting device can be used to control the direction and position from which the force exits the apparatus. Openings formed in downhole objects can include a chamfered profile for facilitating future orientation or for injecting or removing substances from a formation.

主权项

1. A perforating apparatus comprising:
a body configured to contain:
at least one non-explosive fuel source disposed in the body comprising a first fuel type configured to produce a first mass flow rate and a first burn rate, and a second fuel type configured to produce a second mass flow rate and a second burn rate, wherein at least one of the first flow rate and the first burn rate is different from the second mass flow rate and the second burn rate;an initiator configured to initiate a burn of said at least one non-explosive fuel source, causing said at least one non-explosive fuel source to produce a force comprising a selected mass flow rate, a selected burn rate, or combinations thereof, that selectively changes from the first mass flow and the first burn rate to the second mass flow and the second burn rate while the non-explosive fuel source is burning; anda port configured to project the force to form an opening in a first downhole object while minimizing collateral damage to at least one second downhole object, wherein the at least one port is configured to direct the force as change occurs in the selected mass flowrate, the selected burn rate, or combinations thereof.