April 2 (Reuters) - NXT Energy Solutions Inc SFD.TO :
* NXT ENERGY SOLUTIONS INC. ANNOUNCES FOURTH QUARTER AND YEAR-END RESULTS FOR 2017 AND LAUNCH OF FIRST SFD MULTI CLIENT SURVEY
April 2 (Reuters) - NXT Energy Solutions Inc SFD.TO :
* NXT ENERGY SOLUTIONS INC. ANNOUNCES FOURTH QUARTER AND YEAR-END RESULTS FOR 2017 AND LAUNCH OF FIRST SFD MULTI CLIENT SURVEY