HAL - Halliburton (HAL) Q1 2021 Earnings Call Transcript April, 21 2021 02:01 PM Halliburton Company Image source: The Motley Fool. Halliburton (NYSE: HAL) Q1 2021 Earnings Call Apr 21, 2021 , 9:00 a.m. ET Operator Continue reading For further details see: Halliburton (HAL) Q1 2021 Earnings Call Transcript