HAL - Halliburton (HAL) Q4 2021 Earnings Call Transcript January, 24 2022 01:30 PM Halliburton Company Image source: The Motley Fool. Halliburton (NYSE: HAL) Q4 2021 Earnings Call Jan 24, 2022 , 9:00 a.m. ET Operator Continue reading For further details see: Halliburton (HAL) Q4 2021 Earnings Call Transcript