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Saint Petersburg, Russia

Paderin G.V.,Gaspromneft NTC LLC | Galybin A.N.,Russian Academy of Sciences | Izvekov O.Ya.,Moscow Institute of Physics and Technology
Neftyanoe khozyaystvo - Oil Industry | Year: 2015

Nowadays the multistage hydraulic fracturing is one of the most popular treatments of increasing the flow rate in inconvenient reservoirs. The usual hydraulic fracture design does not take into account the mutual interaction between cracks. This study shows that when the fractures a close to each other, this mutual interaction plays significant role. So, the main goal of this paper is to analyze the influence of the elastic interaction between fractures on their trajectories. The modeling of the crack propagation is based on the brittle fracture mechanics and the SIE method. Several simulations were conducted. It was shown that the fracture trajectories can be deviated considerably from the straight path. The results of this study can be used for planning multistage hydraulic fracturing and minimizing fracture deviation from the straight path by choosing the spacing between fractures. Source

Tanygin I.A.,Gazpromneft | Zagranovskaya D.E.,Gaspromneft NTC LLC | Simakov A.E.,Gaspromneft NTC LLC | Zhukov V.V.,Gaspromneft NTC LLC | And 2 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2014

The purpose was to improve the geological structure of Dolginskoye field, in the part of the stratigraphic correlation of objects, sedimentological description of the reservoir, the allocation of new volumetric objects. A revision of geological structure led to the specification of resources and change of priorities in the development field. The findings are the basis for planning future exploration. Source

Turovskaya E.M.,Gaspromneft NTC LLC | Eremin Y.U.G.,Gaspromneft NTC LLC
Neftyanoe Khozyaistvo - Oil Industry | Year: 2014

The article presents a view on the process of terrigenous sediments deposition within Chonskaya group of fields. The construction of the model was carried out with the involvement of all available geological and geophysical information. Integrated use of data obtained in the process of wells drilling and 3D seismic alloweded with greater confidence distinguish facial zones and forecast their development through areas with a low well density index. Source

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