Apparatus and instruments for recording, transmission, reproduction and processing of data, measurements, sounds and images used for prospecting, drilling and exploitation of oil and gas deposits; electronic and computer devices and instruments for collecting, processing and transmitting information and data used for prospecting, drilling and exploitation of oil and gas deposits; apparatus and instruments for measuring, controlling, testing and checking the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; electrical and electronic data loggers, sensors and microchips for measuring the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; systems composed of gauges, probes, miniaturized electronic sensors and intelligent sensors for measuring the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; gauges, probes, miniaturized electronic sensors and intelligent sensors for measuring the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; apparatus and instruments for analyzing gas, oil and liquids; devices and instruments for detecting, measuring and monitoring water pollution; well logging measurement apparatus and instruments; recorded and downloadable software for processing data, measurements, sounds and images used for prospecting, drilling and exploitation of oil and gas deposits

Repair, maintenance and installation of apparatus and instruments for measuring, controlling and checking the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; repair and maintenance of electronic and computer devices and instruments for collecting, processing and transmitting information and data used for the prospecting, drilling and exploitation of oil and gas deposits; rental of apparatus and instruments for measuring, controlling and checking the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; rental of machinery and tools used for the prospecting, drilling and exploitation of oil and gas deposits; providing information with respect to rental of apparatus and instruments, machines and tools used for the prospecting, drilling and exploitation of oil and gas deposits

Design and development of electronic apparatus, devices and systems for measurement, control, detection and verification of temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; design and development of well logging, chromatographic and geodesic measurement systems and devices; design and development of microelectronic apparatus and equipment, gauges, probes, detectors and smart sensors; rental of electronic devices and systems, electronic apparatus for measurement, control, detection and verification of temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; oil and gas exploration services for the oil and gas industry featuring services for measuring variables associated with prospecting, drilling and exploitation of oil and gas deposits; providing test services and testing of electronic devices, electronic systems, apparatus and equipment for measuring, checking, detecting and verifying the temperature, pressure, conductivity, quantity, density, speed, flow, concentration and composition of gas, oil and liquids; conducting technical and scientific feasibility studies relating to prospecting, drilling and exploitation of oil and gas deposits; drafting in the nature of technical writing of technical expert opinions in relation to oil and gas deposits; technical and scientific data analysis services in the field of prospecting, drilling and exploitation of oil and gas deposits