Jan 27 (Reuters) - Calfrac Well Services Ltd CFW.TO :
* RESULTS FOR QUARTER ENDED DEC 31 EXPECTED IN-LINE WITH OUTLOOK COMMUNICATED IN Q3 INTERIM MANAGEMENT'S DISCUSSION AND ANALYSIS
* ESTIMATES, ON PRELIMINARY BASIS, FOR THREE MONTHS ENDED DEC 31, 2019, REVENUE WILL BE BETWEEN $310 MILLION AND $325 MILLION