IndexProved Developed and Undeveloped Reserves, Revisions of Previous Estimates
| Name | ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease |
|---|---|
| Namespace | http://fasb.org/srt/2020-01-31 |
| Prefix | srt |
| Data type | num:volumeItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
References
| Name | Value | Role |
|---|---|---|
| Publisher | SEC | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Form 20-F | http://www.xbrl.org/2003/role/disclosureRef |
| Section | Item 18 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | Instruction 2 | http://www.xbrl.org/2003/role/disclosureRef |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | srt:ProvedDevelopedAndUndevelopedReservesNetPeriodIncreaseDecrease | summation-item | http://fasb.org/srt/role/disclosure/SRTCalculations |
| srt:IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward | parent-child | http://fasb.org/srt/role/disclosure/ExtractiveIndustries |
| srt:IncreaseDecreaseInProvedDevelopedAndUndevelopedReservesRollForward | domain-member | http://fasb.org/srt/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable |