US 12,123,264 B2
Advanced insulation and jacketing for downhole power and motor lead cables
Amiya Tripathy, Garnet Valley, PA (US); Dennis Matuszak, Broken Arrow, OK (US); David Livingston, Claremore, OK (US); and Shawn Gunter, Owasso, OK (US)
Assigned to Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on Nov. 11, 2021, as Appl. No. 17/524,627.
Claims priority of provisional application 63/112,588, filed on Nov. 11, 2020.
Prior Publication US 2022/0148759 A1, May 12, 2022
Int. Cl. E21B 17/00 (2006.01); E21B 17/02 (2006.01); E21B 17/20 (2006.01); E21B 43/12 (2006.01); F04B 47/06 (2006.01); F04D 13/06 (2006.01); F04D 13/08 (2006.01); F04D 13/10 (2006.01); H01B 3/00 (2006.01); H01B 7/02 (2006.01); H01B 7/04 (2006.01); H01B 7/28 (2006.01); H01B 7/282 (2006.01); H01B 7/29 (2006.01); H02K 3/30 (2006.01); H02K 3/34 (2006.01); H02K 3/44 (2006.01); H02K 5/132 (2006.01); H02K 5/22 (2006.01)
CPC E21B 17/003 (2013.01) [E21B 17/023 (2013.01); E21B 17/028 (2013.01); E21B 17/0285 (2020.05); E21B 17/206 (2013.01); E21B 43/128 (2013.01); F04B 47/06 (2013.01); F04D 13/0693 (2013.01); F04D 13/08 (2013.01); F04D 13/10 (2013.01); H01B 7/0216 (2013.01); H01B 7/046 (2013.01); H01B 7/2806 (2013.01); H01B 7/282 (2013.01); H01B 7/292 (2013.01); H02K 3/30 (2013.01); H02K 3/34 (2013.01); H02K 3/345 (2013.01); H02K 3/44 (2013.01); H02K 5/132 (2013.01); H02K 5/225 (2013.01); H01B 3/002 (2013.01); H01B 7/0275 (2013.01); H01B 7/0283 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electric submersible pumping system configured for operation in downhole applications, the electric submersible pumping system comprising:
a motor;
a pump driven by the motor; and
a cable that provides electrical power to the motor, wherein the cable comprises:
a conductor; and
an insulator surrounding the conductor, wherein the insulator comprises:
a first layer;
a second layer surrounding the first layer;
an H2S scavenger within the first layer or the second layer of the insulator; and
an H2S reactant or mixture of reactants within the first layer or the second layer of the insulator; and
a sub-insulator layer between the conductor and the insulator.