System and method for dynamically adjusting the center of...

Details System and method for dynamically adjusting the center of... System and method for dynamically adjusting the center of...

E - Fixed Constructions

21

B

E21B 43/119 (2006.01) E21B 43/116 (2006.01) E21B 43/117 (2006.01)

Patent

CA 2759304

A perforating apparatus used to perforate a subterranean well. The perforating apparatus includes a generally tubular gun carrier and a charge holder rotatably mounted within the gun carrier. At least one shaped charge is mounted in the charge holder and is operable to perforate the well upon detonation. A dynamically adjustable weight system is operably associated to the charge holder. The dynamically adjustable weight system is operable to adjust the center of gravity of the charge holder such that gravity will cause the charge holder to rotate within the gun carrier to position the at least one shaped charge in a desired circumferential direction relative to the well prior to perforating.

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