Chemical products for laboratory analysis, other than for medical or veterinary use; chemicals used in industry and science; unprocessed artificial resins, unprocessed plastics; tracer chemicals

Computer software for use in analyzing chemical tracer data for the purpose of assessing reservoir heterogeneity, assessing the effect of water and gas injections in a reservoir, determining the amount of remaining oil in near-well and inter-well zones, and to assist in surveying and prospecting in the field of oil recovery and production