US Patent 11215041 Modular perforating gun systems and methods

A perforating gun deployable in a wellbore. The perforating gun may include an outer sleeve including a central passage, and a plurality of separate perforating modules receivable in the central passage of the outer sleeve. Each of the plurality of perforating modules of the perforating gun may include a carrier and a charge tube assembly received in the carrier, wherein the charge tube assembly incudes a shaped charge.