37 Execution of engineering projects related to the oil and gas areas, namely, assembly in the nature of installation, maintenance, conservation and repair services for vessels, rigs, gas pipelines, oil pipelines and subsea pipelines; rental of drilling platforms being mobile offshore drilling units and of oil well drilling tools, and providing information relating thereto; mining extraction of oils and gases; well drilling; drilling of deep oil or gas wells; construction project management services in the field of offshore oil and gas facilities; repair and maintenance of drilling equipment and facilities; equipment installations for deepwater field exploration; provision of well pressure control services to third parties in oil and gas industries, namely, drilling, maintenance, and repair of oil and gas wells