TETRA Technologies (NYSE:TTI) is a global provider of products and services to the oil and gas market. Its Fluids Division which produced 40.7% of first-half revenues makes and sells clear brine fluids (CBFs) additives and related products. CBFs assist in well drilling by reducing the chance of damage to the well bore. The segment also provides related services including onsite fluid filtration recycling and fluid engineering consultation and management. TTI’s Production Enhancement Division consists of two operating segments. Production Testing (21.3% of revenues) offers after-frac flow back production well testing rig cooling and related services. Compressco (11.5% of revenues) ...