03717nmc a2200301 4500 20260520005611.0 260224s2001 xxu ing Inglés A New Integrated Reservoir Model for F-H Sands in Oritupano B Field, Eastern Venezuela Basin SPE 69655 Dallas, Texas Society of Petroleum Engineers 2001 12/09/06 ; 17/07/01 The objective of this work was to create an integrated model of the F4U, F4L, F5, F67, F8, H12 and H3U,L clastic reservoirs, within the Lower Miocene Oficina Formation of the Oritupano B field (Eastern Venezuela Basin) in order to evaluate different development alternatives for these reservoirs. Based on the 3D seismic data reinterpretation, a new model was developed integrating new structural data and sequence stratigraphy as well as defining the different depositional sequences. A new sedimentological interpretation and stratigraphic framework from correlations and two available cores were used to determine the main sedimentary bodies and trends of deposition. The static model was developed using geostatistical techniques and incorporating the new structural and sedimentological models as well as the available petrophysical data. Stochastic simulations were performed in order to obtain the areal and vertical properties distribution for the different deposits. The results showed consistency with the depositional model previously defined. Two numerical simulation models were created: a stochastic model, based on the results of the geostatistical analysis, and a deterministic model, based on the new conventional static model. Both simulations yielded similar results. The adjustment of the static/dynamic models allowed the determination of oil reserves associated with these reservoirs and the refinement of the optimal exploitation strategy. The new geological model indicates that the main structural features of the field are normal faults and extensional reverse drag folds, unlike the preexisting model in which a gentle homocline structure was suggested. A SW-NE depositional trend for the erosive channels and NW-SE depositional trend for coastal bars, parallel to the paleocoastline, were determined. In addition, four depositional sequences were defined formed by transgressive and highstand systems tracts. Both, the stochastic and the deterministic model suitably represent the dynamic behavior of the studied reservoirs. The communication between the F-H sands of the up-thrown block, with the A9-A13 sands of the down-thrown block, was demonstrated through both dynamic models, which also improved the characterization of the aquifers within the reservoirs. Based on the results of this study, 3 new vertical wells and 5 additional workover wells were recommended. It is expected that these wells will increase the recovery factor of the F-H sands by 12 %. CONGTP Alvarado, E. 6638 Camacho, M. 6639 Salazar, P. 6640 Salas, D. 6641 Gonzalez, R. 6642 Latin American and Caribbean Petroleum Engineering Conference (7th : 2001 mar. 25-28 : Buenos Aires, Argentina) 5738 Camacho, M. 6639 Salazar, P. 6640 Salas, D. 6641 Gonzalez, R. 6642 Latin American and Caribbean Petroleum Engineering Conference (7th : 2001 mar. 25-28 : Buenos Aires, Argentina) 5738 Alvarado, E. 6638 131224 131224 https://biblioteca.iapg.org.ar/ArchivosAdjuntos/Bibliotecas/https://biblioteca.iapg.org.ar/ArchivosAdjuntos/LACPEC2001/Spe69655.pdf 0 0 0 0 202146 BVIAPG BVIAPG 2026-03-03 200003308 0 200003308 2026-03-03 01:41:21 2026-03-03 ARCHIVO