On-line advertising, sales, marketing, trading, and auctioning, and on-line brokerage services relating to the sale, marketing, trading, and auctioning of oil and gas properties, oilfield equipment, and seismic data, and on-line supply and procurement services of goods and services for the oil and gas industry

On-line licensing and leasing of software used in the exploration or production of hydrocarbons and economic modeling software used in the exploration or production of hydrocarbons; on-line oil and gas reserves evaluation services; and on-line scheduling of drilling rigs and vessels