RR SIERRA OIL & GAS

Managing the exploration, production and operations of natural gas and oil properties for others

Cementing services for oil and gas wells; Construction of facilities, structures, living quarters, and utility buildings, production modules and subsea modules in the oil and gas industry; Construction of structures for the production of crude oil; Construction of structures for the storage of crude oil; Construction of structures for the storage of natural gas; Construction project management services in the field of construction of offshore oil and gas facilities; Construction, maintenance, and construction project management services in oil and gas fields; Consulting services in the field of offshore oil and gas facility construction; Covering, coating, and maintenance of pipelines for oil; Drilling and pumping of oil; Drilling for crude oil; Drilling of deep oil or gas wells; Drilling of oil wells; Extraction of oil; Extraction of oil and gas; Installation of oil production apparatus; Oil and gas drilling; Oil and gas well downhole coring services; Oil pipeline construction; Oil pipeline laying; Oil pumping; Oil pumping and extraction; Oil well casing, tubing, and drill pipe installation; Oil well drilling; Pumping crude oil; Repair or maintenance of storage tanks; Storage tank cleaning; Water or oil well boring; Wirelining for oil wells

Fuel delivery services featuring oil and gas; Gas supplying; Storage, distribution, and transportation of liquefied petroleum gas; Transmission of oil or gas through pipelines

Oil and gas well treatment; Oil production services; Oil well prospecting, namely, perforation and spill treatment

Exploration and searching of oil and gas; Gas exploration; Geophysical exploration for the gas industry; Geophysical exploration for the oil industry; Oil exploration; Oil field exploration; Oil field surveying; Oil prospecting; Oil prospecting, namely, well logging and testing; Oil well testing; Oil-field surveys; Performing oil well diagnostics; Petroleum exploration; Providing technology information relating to oil and gas industry; Surveying of oil beds and fields; Surveying of oil-bearing seams