(1) Prospecting, exploitation and utilization of coal-bed gas (limited to equity joint venture and contractual joint venture)

(2) Venture prospecting and exploitation of petroleum, natural gas (limited to equity joint venture and contractual joint venture)

(3) Exploitation of oil and gas deposits (fields) with low osmosis (limited to equity joint venture and contractual joint venture)

(4) Development and application of new technologies that can increase the recovery factor of crude oil (limited to equity joint venture and contractual joint venture)

(5) Development and application of new technologies for prospecting and exploitation of petroleum, such as geophysical prospecting, well drilling, well-logging and downhole operation, etc. (limited to equity joint venture and contractual joint venture)

(6) Prospecting and exploitation of such conventional oil resources as oil shale, oil sand, heavy oil and super heavy oil(limited to equity joint venture and contractual joint venture)

(7) Prospecting, exploitation, and beneficiation of iron ores and manganese ores

(8) Development and application of new technologies for improving the utilization of tailings and the comprehensive utilization of recovery technology of the mine ecology

(9) Prospecting and exploitation of unconventional natural gas resources such as shale gas and submarine natural gas hydrate (limited to equity joint venture and contractual joint venture)