A Houston-area energy company has raised millions to expand its fracking technology into new oil and gas basins throughout Texas. Tomball-based Deep Imaging Technologies raised $3.5 million in a Series B round that it says will be used to help grow its employee count as it expands into new territory. Deep Imaging Technologies created a subsurface imaging technology for the oil and gas industry. It helps those looking for oil and gas better find oil reservoirs in various oil fields across the country. The...