NXT Energy Solutions Inc., a technology company, provides geophysical survey services to the upstream oil and gas industry through its proprietary gravity-based stress field detection (SFD) survey system worldwide. Its SFD remote-sensing survey system offers information on areas conducive to fluid entrapment in the sedimentary column. The company was formerly known as Energy Exploration Technologies Inc. and changed its name to NXT Energy Solutions Inc. in September 2008. NXT Energy Solutions Inc. was founded in 1994 and is headquartered in Calgary, Canada.