US 11,668,166 B2
Oilfield perforating self-positioning systems and methods
Jorge E. Lopez de Cardenas, Sugar Land, TX (US); Timothy A. Andrzejak, Sugar Land, TX (US); and James F. Shelton, Kennedale, TX (US)
Assigned to Harrison Jet Guns II, L.P., Kennedale, TX (US); and ResEnTech, LLC, Sugar Land, TX (US)
Filed by Harrison Jet Guns II, L.P., Kennedale, TX (US); and ResEnTech, LLC, Sugar Land, TX (US)
Filed on Sep. 10, 2021, as Appl. No. 17/471,390.
Claims priority of provisional application 63/076,670, filed on Sep. 10, 2020.
Prior Publication US 2022/0074289 A1, Mar. 10, 2022
Int. Cl. E21B 43/117 (2006.01); E21B 43/1185 (2006.01)
CPC E21B 43/117 (2013.01) [E21B 43/1185 (2013.01)] 16 Claims
OG exemplary drawing
 
9. A method comprising:
providing a gun string including first and second perforating guns and an external adaptor, each of the first and second perforating guns including:
a gun carrier including a cylindrical sidewall,
a loading tube received within the gun carrier, the loading tube including a plurality of shaped charges, and
a plurality of protrusions extending outwardly from the gun string and being angularly offset from each other about an outer circumference of the gun string, wherein the plurality of shaped charges are angularly offset from the plurality of protrusions;
positioning the gun string within a wellbore such that the plurality of protrusions of the first and second perforating guns are in angular alignment with each other; and
detonating the plurality of shaped charges.