Management of producing fields can be enhanced by effective seismic reservoir monitoring. Improved repeatability of 4D monitor surveys can be achieved by applying deghosting and datuming via seismic wavefield separation. By also correcting for the variable distance of the source above the seabed caused by the sea state will increase 4D repeatability further.
Presentation Date: Tuesday, September 26, 2017
Start Time: 3:05 PM
Presentation Type: ORAL
Barnes, Simon (PGS) | van Borselen, Roald (PGS) | Salazar, Humberto (Pemex Exploration and Production) | Vàzquez, Alfredo (Pemex Exploration and Production) | Ronzón, Israel (Pemex Exploration and Production) | Martinez, Ruben (PGS)
A processing strategy for the 3D prediction and subsequent elimination of long period surface-related multiples (SRME) contaminating a 3D sparse non-orthogonal land seismic data is presented. A comparison is made between 1D and 3D multiple prediction using the Surface-related Multiple Elimination (SRME) method, showing that significant improvements can be obtained by taking into account the full 3D complexity of the subsurface. Multidimensional Fourier regularization has been proven to be a critical component of the pre-conditioning of the data applied prior to the multiple prediction and subtraction.
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