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Pat. 10411626 United States, Int. Cl.22 E21B 41/00, E21B 4/04, H02M 7/162, H02M 7/219, H02P 6/182, H02P 9/00, H02P 9/04, H02P 9/30, H02P 21/06, H02P 29/64. Dynamic generator voltage control for high power drilling and logging-while-drilling : Appl. N 15/551556 : Filed 13.10.2016 : Pub. 10.09.2019 : / Satish Rajagopalan ; Assignee Halliburton Energy Services Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10411626/en?oq=US10411626.html (дата обращения: ДД.ММ.ГГГГ).