42 Engineering and consulting services in the fields of fracture diagnostics; telemetry of borehole data, namely, telemetry of data from drill stem testing, stimulation procedures, drilling, directional drilling, underbalanced drilling, well testing and production logging; spectral imaging; gas storage monitoring; oil and gas well imaging analysis; and analysis of oil and gas fields, namely, gravel pack evaluation, production buildup of field floods, acidizing evaluation, cement tracer analysis, stimulation tracer analysis, and collar marks analysis