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Number of Productive Crude Oil and Natural Gas Wells in which we Held an Interest (Detail) | Jun. 30, 2019 Wells
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Disclosure of productive wells [line items] |
Crude oil wells, Gross | 469
Crude oil wells, Net | 222
Natural gas wells, Gross | 161
Natural gas wells, Net | 57
Total, Gross | 630
Total, Net | 279
Australia [member] |
Disclosure of productive wells [line items] |
Crude oil wells, Gross | 352
Crude oil wells, Net | 176
Natural gas wells, Gross | 153
Natural gas wells, Net | 53
Total, Gross | 505
Total, Net | 229
United States [member] |
Disclosure of productive wells [line items] |
Crude oil wells, Gross | 60
Crude oil wells, Net | 25
Total, Gross | 60
Total, Net | 25
Other countries [member] |
Disclosure of productive wells [line items] |
Crude oil wells, Gross | 57
Crude oil wells, Net | 21
Natural gas wells, Gross | 8
Natural gas wells, Net | 4
Total, Gross | 65
Total, Net | 25

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