BLACKBRUSH

Drilling of salt water injection wells; oil and gas field operating services, namely, cementing services for oil and gas wells, construction of structures for the production and storage of crude oil, construction, maintenance, and construction project management services in oil and gas fields, drilling, pumping and extraction of oil and gas, drilling of deep oil and gas wells, installation of oil production apparatus, oil pipeline laying and construction, and oil well casing and tubing installation

Petroleum exploration; exploration and searching of oil and gas; oil and gas field exploration, surveying, testing and prospecting