Inverse problem to pressure convolution, performed as a fully or semi-automated search for initial pressure for every well and Unit-rate Transient Responses (UTR) for wells and cross-well intervals in order to fit the sandface pressure response (usually recalculated from PDG data using wellbore flow model for depth adjustment ) to total sandface flow rate variation history (usually recalculated from daily allocations based on surface well tests).
The Pressure Deconvolution techniques are usually classified into the following options which use specific mathematical apparatus and deliver different volume of information:
| Applied to a stand-alone well with no interference from other wells | Applied to a group of interfering wells | |
| Radial Deconvolution (RDCV) | Cross-well Deconvolution (XDCV) | |
| Applied to a well with BHP readings and no account of the BHP readings in offset wells | Applied to a group of wells with account of all BHP and rate history | |
See Also
Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis
[ Well Testing / Pressure Testing / Pressure convolution ]
[ SDCV ][ SDCV @model][ SDCV @sample ]
[ MDCV / RDCV ][ RDCV @model ][ RDCV @sample ]
[ MDCV / XDCV ][ XDCV @model ][ XDCV @sample ]
[ Well & Reservoir Surveillance ] [ Pressure Diffusion ] [ Pressure drawdown ]
[ Convolution @math ]