Tracy Energy Technologies (TET, 特雷西能源科技股份有限公司) is a company that specializes in oil and gas reservoir intelligent simulation systems. It offers LandMod, a geological modeling tool, LandFrac, a discrete fracture modeler, LandSim, a multi-physics reservoir simulator, and Timeline, a big data-driven management solution. The company also provides technical consulting and training as well as software customization.