TETRA Technologies is an oil and gas products and services company, focused on completion fluids, calcium chloride, water management solutions, frac flowback and production well testing services. Co.'s reportable segments are: Completion Fluids and Products, which manufactures and markets clear brine fluids, additives, and associated products and services to the oil and gas industry for use in well drilling, completion, and workover operations; and Water and Flowback Services, which provides onshore oil and gas operators with water management services, frac flowback, production well testing, and other associated services in oil and gas producing regions, as well as in oil and gas basins.