Integrated Contract

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sediments; these marine cenozoic depositions were originally defined as Tampico-Misantla Basin by López-Ramos (1956). The ongoing uplift of the SMO left very narrow coastal plains and continental shelves, hence the coastal systems would go from a prodelta to a slope, and where the transport of sediments by means of turbidity currents prevailed, there would be flow of debris and landslides, which would produce deposition of submarine fans at the bottom of the seafloor (basin), overlapping each other and generating submarine erosion during their development. By the end of the Cenozoic, deltaic environments prevailed. Tuxpan Poza Rica Tecolutla Tertiary Sedimentary model (Paleogene and Neogene). Note that delta environments were deposited above the Chicontepec formation 8
Main Features <strong>Integrated</strong> <strong>Contract</strong> The main producing formation of this block is formed by Mesozoic formations; cumulate production for this area is 3,400 mbls, while in Chicontepec there’s a cumulate production of 42.25mbls. The producing formations are Tamabra, Tamaulipas Superior, Tamaulipas Inferior, and Tamán from Cretaceous, Medio, Inferior and Jurassic Superior, respectively. The reservoirs in this area are located in combined, structural (anticlines with subtle dips with four-direction closure) and stratigraphic traps. This block has 51 wells from Mesozoic, 29 of them have production records from that reservoir; 26 of them belong to Tamabra with a production range between 25 and 673 bpd, one well in Tamaulipas Superior with 88 bpd, one in Tamaulipas Inferior - Pimienta with 1,849 bpd and one well in Tamán with 195 bpd. Some examples of producing wells in Mesozoic are: Centurión-1 from Tamabra, Marques-1 from Tamaulipas Superior, Zapotalillo-2 from Tamaulipas Inferior-Pimienta and Papatlarillo-102 from Tamán. 29 wells from Mezosoic show oil impregnation both in cores and cuttings from San Felipe, Tamabra, Tamaulipas Superior, Tamaulipas Inferior, Pimienta and Tamán formations, there are also 11 wells which showed gas while drilling in the Brecha, Méndez, Agua Nueva, Tamabra, Tamaulipas Superior, Tamaulipas Inferior and Tamán formations. In the Centurión-1 well, no oil or gas shows were detected while drilling, 2 cores were cut in Tamabra formation with poor oil impregnation. For Tamabra formation, poor viscosity oil and good light oil impregnation was observed in the cuttings. Two production tests were conducted in the Tamabra formation, the first test in the 2267-2277 m interval, it exhibited no flow, performed a survey, displacing stained water (95-100% water), the test concludes and the interval is plugged; the second production test was conducted in the 2179-2189 m interval, performed acid treatment, well is open and displacing oil and gas with little water, with a production of 673 bpd oil, 1.2% water and GOR: 99 m 3 /m 3 . In the Marques-1 well, gas shows were observed in the Agua Nueva, Tamabra, Tamaulipas Superior and Tamaulipas Inferior formations, decreasing the mud density from a range of 1.47 to 0.89 gr/cc in a period from 15 to 90 minutes. One core was cut from the Tamaulipas Inferior 9
Page 1 and 2: Integrated Contract 1
Page 3 and 4: Introduction The Miahuapan block is
Page 5 and 6: Basin Description Integrated Contra
Page 7: to the reefal denudation, and chang
Page 11 and 12: Basal formations. Cores and cutting
Page 13 and 14: The following figure shows the same
Page 15 and 16: History of Exploration and Developm
Page 17 and 18: Integrated Contract Currently, Petr
Page 19 and 20: Infrastructure and Hydrocarbons Han
Page 21 and 22: Drilling History Drill parameters D
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Integrated Contract

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