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Latypov I.D.,RN Ufa NIP Ineft LLC | Borisov G.A.,RN Ufa NIP Ineft LLC | Haidr A.M.,RN Ufa NIP Ineft LLC | Gorin A.N.,RN Ufa NIP Ineft LLC | And 2 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2011

Article is devoted to generalization of the fracture azimuth measurements. The paper describes the results of reorientation refracturing method carried out on LLC "RN-Yuganskneftegaz" oilfields as well.

Abramov A.V.,RN UfaNIPIneft LLC | Vinokurov A.N.,RN UfaNIPIneft LLC | Mukhametshin V.Kh.,RN UfaNIPIneft LLC | Atnagulov A.R.,Bashneft | And 2 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2013

A method of formal description of a production profile and a method of sensitivity analysis of economic performance factors and technological parameters to the shape of the profile are developed. The shape of the profile is described by a simple analytical function depending on three parameters characterizing production growth and decline, peak production. This analytical description provides an ability to systematically change the shape of the profile and thus an ability to calculate economic parameters such as the net present value or technological parameters for shape changed profiles. The calculated set of economic and technological parameters paves a way to simplified computations of these parameters for production profiles of more or less arbitrary shapes which were not included in the initial set of profiles. Alternatively the methods presented in the paper allow one to choose the shape of the production profile which would generate given economic performance. The methods could be used to improve quality of business planning and to reduce its cost.

Latypov I.D.,RN UfaNIPIneft LLC | Fedorov A.I.,RN UfaNIPIneft LLC | Nikitin A.N.,RN Yuganskneftegaz LLC
Neftyanoe Khozyaistvo - Oil Industry | Year: 2013

Article is devoted to generalization of the results of reorientation refracturing method carried out on Prirazlomnoye and Priobskoye oilfields (RN-Yuganskneftegaz LLC) for solving the stimulation of the formation. Geophysical logs confirmed the fact of the reorientation refracturing in five wells. The proposed indirect methods of diagnosing the reorientation refracturing increase the accuracy of the interpretation. The technique allows to control the reorientation refracturing by creating the necessary depression and calculating the time of stimulation.

Akimov O.V.,RN Yuganskneftegaz LLC | Zdolnik S.E.,RN Yuganskneftegaz LLC | Khudyakov D.L.,RN Yuganskneftegaz LLC | Tyapov O.A.,RN Purneftegaz LLC | And 2 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2010

The paper presents the results of developing, testing and commissioning a well kill technology for hydraullcally fractured wells In abnormally high formation pressure conditions at oil fields operated by RN-Yuganskneftegaz LLC and RNPurneftegaz LLC Introducing this technology has helped reduce fluid loss of high-density fluid by the well during subsurface workovers up to 8 m 3 per well. Description Is provided of the development and the rheophyslcal properties of aerated non-colmataged fluids for well killing and mud flushing with absorption under ALFP conditions.

Atnagulov A.R.,RN UfaNIPIneft Ltd. | Ismagilov R.R.,RN UfaNIPIneft Ltd. | Nekipelov Y.V.,Rosneft | Kireev G.A.,RN Yuganskneftegaz Ltd.
Society of Petroleum Engineers - SPE Russian Oil and Gas Technical Conference and Exhibition 2010, RO and G 10 | Year: 2010

When assessing economic feasibility using the NPV indicator, of some importance is the order of commissioning well clusters - the earlier a prospective well cluster is commissioned, the higher the NPV. This being said, creation of an optimal well commissioning schedule is directly conducive to maximizing the project's total efficiency. Traditionally, Rosneft uses a 'geological' drilling rating system when making up well cluster drilling schedules; this approach is based on initial production rates. This system ignores capital expenditures, the bulk of which goes to well drilling and the associated surface construction; but quite often well clusters with high initial production rates prove less profitable owing to outweighing capital costs. With the purpose of increase NPV of the project, it is proposed to exercise drilling of well clusters according to their economic efficiency. The initial step in field development is constructing the basic common objects. For a quick payback, it is necessary to first commission well clusters having the greatest economic efficiency. The calculation of the technical/economic rating is performed iteratively in several steps, each of which picks up a well cluster with the maximum NPV. The amount of surface facilities for each well cluster remains variable across the iterations. This approach is implemented in the company's proprietary software package. Copyright 2010, Society of Petroleum Engineers.

Zakharov V.P.,RN UfaNIPIneft LLC | Ismagilov T.A.,RN UfaNIPIneft LLC | Asmandiyarov R.N.,RN Yuganskneftegaz LLC
Neftyanoe Khozyaistvo - Oil Industry | Year: 2012

This paper suggests a sweep improvement method by flooding low permeable reservoirs using addressed shutoff of injected water. Candidate wells selection criteria and technology are specified.

Zadorina E.,Jason a CGG Company | Bykov V.,LLC RNYuganskneftegaz | Markelova L.,Jason a CGG Company | Grigorenko I.,Jason a CGG Company | Krylova M.,Jason a CGG Company
6th Saint Petersburg International Conference and Exhibition on Geosciences 2014: Investing in the Future | Year: 2014

This article demonstrates using geostatistical modeling controlled by seismic data as one of the best way to predict reliable reservoir properties distribution under the conditions of its significant lateral variations wherein the thickness is quite small. Also it shows the realizations ranking and the initial geological model updating by separating one more prospecting layer. What is more the risk assessment has been done for different uncertainty origin. Copyright © 2014 by the European Association of Geoscientists & Engineers. All rights reserved.

Taljanov O.Y.,RN Yuganskneftegaz LLC | Khamidullln L.Z.,RN Yuganskneftegaz LLC
Neftyanoe Khozyaistvo - Oil Industry | Year: 2010

The general scheme of business process of optimization the tasks of planning, accounting and monitoring the implementation of geological and technical actions in wells of RN-Yuganskneftegaz LLC is given.

Timonov A.V.,Rosneft | Sudeyev I.V.,Rosneft | Pestrikov A.V.,Rosneft | Sitdikov S.S.,Rosneft | Nikitin A.N.,RN Yuganskneftegaz LLC
Neftyanoe Khozyaistvo - Oil Industry | Year: 2012

An unified methodology of the planning and execution of hydraulic fracturing on the basis of new approaches to the setting of geomechanical properties of rocks with the help of correlation dependencies between the readings of methods of a standard set of well survey and laboratory core analysis data is developed and tested. The comparison of results of hydraulic fracturing simulation, based on standard approaches, with the proposed method data is carried out. The consistency and validity of the method of correlation functions, as well as the possibility of its use by contractors for the simulation of hydraulic fracturing are shown. Testing of the method was carried out by results of 60 operations of hydraulic fracturing.

Yudin E.V.,RN Yuganskneftegaz LLC | Lubnin A.A.,RN Yuganskneftegaz LLC | Timonov A.V.,Rosneft | Malakhov R.A.,Rosneft | Krasnov V.A.,Rosneft
Neftyanoe Khozyaistvo - Oil Industry | Year: 2012

In this paper the approach to planning of oil production levels based on geological uncertainty is proposed. Method proposed takes into account production risks through the multivariate calculations application by numerical and semi-analytical reservoir models as the main stages of the planning workflow. By using this approach one can quickly calculate the possible technological and economic characteristics of the development project.

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