Waterloo Hydrogeologic, Inc. (WHI) is a company that specializes with groundwater

Groundwater

Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock...

 modelling software, training, and consulting services. The company was started by Nilson Guiguer and Thomas Franz, whom were developing software for their research at the University of Waterloo

University of Waterloo

The University of Waterloo is a comprehensive public university in the city of Waterloo, Ontario, Canada. The school was founded in 1957 by Drs. Gerry Hagey and Ira G. Needles, and has since grown to an institution of more than 30,000 students, faculty, and staff...

 in 1988. The company was later founded in 1989 as Waterloo Hydrogeologic Software (WHS). The company first released FLOWPATH, which—at the time—was the first fully integrated graphical groundwater modelling software. In the fall of 1993, Waterloo Hydrogeologic became incorporated (changing their name) and started with the development of Visual MODFLOW

Visual MODFLOW

Visual MODFLOW is a graphical interface for MODFLOW. The program also combines proprietary extensions, such as MODFLOW-SURFACT, MT3DMS and a 3D model explorer. Visual MODFLOW supports MODFLOW-2000, MODFLOW-2005, MODFLOW-SURFACT, and SEAWAT.The software is used primarily by hydrogeologists to...

. The company diversified into groundwater software training and consulting services, as it expanded.

The Waterloo Hydrogeologic, Inc. was purchased by Schlumberger

Schlumberger

Schlumberger Limited is the world's largest oilfield services company. Schlumberger employs over 110,000 people of more than 140 nationalities working in approximately 80 countries...

 on January 10, 2005, and the company continues to operate out of Waterloo, Ontario

Waterloo, Ontario

Waterloo is a city in Southern Ontario, Canada. It is the smallest of the three cities in the Regional Municipality of Waterloo, and is adjacent to the city of Kitchener....

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