...D.A. Novikov; L.G. Vakulenko; P.A. Yan Abstract —This is a pioneering study on lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve. According to thermodynamic calculations, the nonequilibrium–equilibrium water–rock system...

... consider in detail hydrogeochemical features of the Nadym-Taz interfluve ( Fig. 1 ), which covers the three types of the recognized water systems [ 8 ]. Fig. 1. Schematic location of the study area. The geologic section of the Nadym-Taz interfluve is represented by sand-clay deposits...

... structural setting Bathonian reservoir petroleum potential West Siberia Taz-Nadym interfluve This relationship between promising zones with permeable rocks in the Bathonian reservoir and large structural features seems to be due to common conditions of formation. This commonness stems, probably...

... a difference of the Vasyugan Formation in the southeastern areas of the West Siberian Plate, in the mid-Ob’ region, and the Nadym-Taz interfluve. Thus, three facies subdistricts are recognized: Ob’-Tara, Ob’-Agan, and Nadym-Pur. In addition, the Yamal-Nadym facies subdistrict, where the Abalak Formation occurs...

...Fig. 2. Middle and Upper Jurassic regional stratigraphy of Nadym-Taz interfluve, West Siberia [ 22 , 23 ]. ...

...Fig. 1. A tectonic map of the Nadym-Taz interfluve [21] (Information on boreholes is given by G.G. Shemin). Boundaries of : 1 — structures of rank I, 2 — positive structures of rank II; 3 — faults. Boreholes that penetrated: 4 — Lower Jurassic deposits, 5 — full range of the Lower...

... . Popovicheva , L.V. , 1984 . Valanginian flora of the Nadym-Taz interfluve, from palynological data , in: Purtova , S.I. (Ed.) , The Spore-and-pollen Method for Paleoreconstructions of Vegetation and Biofacies [in Russian] . Zap-SibNIGNI , Tyumen’ , pp. 54 – 62 . (ZapSibNIGNI...

... in the middle Nadym-Taz interfluve. The calculation results have revealed the mechanism of exchange between oil/gas accumulations and formation waters to be almost identical to the Yamal fields. The distinctions established in PК 13 and PК 15 which are also characterized by dispersion from ethane, propane...

.... Shvartsev, N.P. Zapivalov, A.R. Kurchikov, D.A. Novikov, and others) highlighted some aspects of hydrogeology and hydrogeochemistry of the pre-Jurassic complexes in several regions of the WSAB (the Fore-Ural petroleum-bearing region, southern areas of the Yamal Peninsula, Nadym–Taz interfluve, Fore-Yenisei...