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Objectives
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| Primary deliverables | Math Symbol | Conditional Deliverables | Math Symbol | ||||||||||||||||||||||||||||||||
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Current Formation pressure |
| Initial formation pressure assuming no or little historical interference with offset wells |
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| Formation damage as permeability deterioration assuming damage penetration is known Formation damage penetration assuming damage value is known Fracture-network development around the well | ||||||||||||||||||||||||||||||||||
| Permeability assuming flowing thickness
Flowing thickness assuming permeability
Water-oil column assuming permeability
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Minimum drainable volume around the well |
| Minimum hydrocarbon reserves around the well Drainage area around the well assuming flowing thickness
Flowing thickness assuming the drainage area
Boundary proximity assuming the circular boundary |
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| Minimum drainable area around the well |
| Half-size of drainage area
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Boundary type |
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| Effective horizontal section |
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Hydraulic fracture size |
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Dynamic fracture opening threshold |
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Proximity
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| Channel width and proximity to its nearest boundary Proximity to oil-water front Proximity to oil-gas front | |||||||||||||||||||||||||||||||||
| Scanning area around the well |
| Scanning radius of the area
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Interpretation
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Samples
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Fig. 1. Transient response in vertical well. Pressure drop is in blue and log-derivate of Pressure drop is in red | Fig. 2. Transient response in horizontal well Pressure drop is in blue and log-derivate of Pressure drop is in red |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing
[ Well & Reservoir Surveillance ] [ PTA Diagnostic Plot ]
References
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