Arab-D carbonate formation
E777207
The Arab-D carbonate formation is a highly productive Late Jurassic limestone and dolomite reservoir rock that hosts much of the oil in Saudi Arabia’s giant Ghawar field and other major Middle Eastern petroleum accumulations.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
carbonate reservoir rock
ⓘ
geologic formation ⓘ petroleum reservoir ⓘ |
| depositionalEnvironment |
shallow-marine carbonate platform
ⓘ
shoal and grainstone complexes ⓘ |
| diageneticFeatures |
cementation
ⓘ
dissolution-enhanced porosity ⓘ dolomitization ⓘ |
| discoveryContext | developed as a major reservoir during mid-20th century exploration in Saudi Arabia ⓘ |
| economicImportance |
hosts much of the oil in the Ghawar field
ⓘ
one of the most productive oil reservoirs in the world ⓘ |
| geologicAge | Late Jurassic ⓘ |
| geologicPeriod | Jurassic ⓘ |
| hydrocarbonSystemRole | principal reservoir in the Jurassic petroleum system of eastern Saudi Arabia ⓘ |
| hydrocarbonType | light crude oil ⓘ |
| lithology |
dolomite
ⓘ
limestone ⓘ |
| locatedIn |
Arabian Basin
NERFINISHED
ⓘ
Middle East ⓘ Saudi Arabia ⓘ |
| memberOf | Arab carbonate-evaporite sequence NERFINISHED ⓘ |
| namingConvention | designated as the D member of the Arab Formation ⓘ |
| operatorAssociation | Saudi Aramco NERFINISHED ⓘ |
| overlainBy | Arab evaporite units ⓘ |
| partOf | Arab Formation NERFINISHED ⓘ |
| permeabilityCharacteristic | high permeability in grainstone and dolomitized intervals ⓘ |
| porosityType |
fracture porosity
ⓘ
intergranular porosity ⓘ vuggy porosity ⓘ |
| primaryProductionMechanism | solution-gas drive and waterflooding in Ghawar field GENERATED ⓘ |
| regionalCorrelation | equivalent to other Late Jurassic Arab reservoirs across the Arabian Plate ⓘ |
| reservoirFor |
associated gas
ⓘ
conventional oil ⓘ |
| sealRock | overlying anhydrite and evaporites of the Arab Formation ⓘ |
| stratigraphicPosition | upper part of the Jurassic succession in eastern Saudi Arabia ⓘ |
| stratigraphicUnitOf |
Abqaiq oil field
NERFINISHED
ⓘ
Ghawar oil field NERFINISHED ⓘ Shaybah oil field NERFINISHED ⓘ other major Middle Eastern petroleum accumulations ⓘ |
| structuralSetting | gentle regional anticlines of the Ghawar trend ⓘ |
| thicknessCharacteristic | substantial net pay thickness in Ghawar field ⓘ |
| underlainBy | Hanifa Formation NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.