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1st EAGE International Geosciences Conference on Kazakhstan
- Conference date: 15 Nov 2010 - 17 Nov 2010
- Location: Almaty, Kazakhstan
- ISBN: 978-90-73781-94-8
- Published: 15 November 2010
41 - 50 of 50 results
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Probabilistic Rock Physics - A Step Forward in Seismic Reservoir Characterization, An Example from the Precaspian Basin
By A. JangirovA rock physics study was undertaken for one of the recent discoveries in Precapian basin. The probabilistic approach, used during the rock physics analysis, enables prior geological knowledge to be incorporated into a probabilistic prediction, capturing uncertainty and qualifying risk. The stochastic rock physics model, derived during this study, can be used to make quantitative predictions based on inversion results and stochastic rock physics models, generating lithology and fluid probability volumes.
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Application of Transient Electromagnetic Method (TDEM) for Oil and Gas Prospecting and Geoecological Problem Solving
Authors Y.A. Agafonov, S.V. Kompaniets, I.V. Buddo, A.A. Aksenovskaya and I.V. EgorovApplication of TEM method is very actual for oil and gas exploration, engineering and geoecological tasks. New developed technique of TEM survey is convenient tool for reservoirs exploration. New approach of EM survey is shown and examples of TEM application are indicated.
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Application of ARCGIS for Monitoring the License Activity in Russia
Authors L.N. Nabieva and E.V. BalashovaThe Ministry of Natural Recourses exposes new blocks for licensing for exploration and production rights on a regular basis. For the course of the last two years, we carried out monitoring and analysis of this licensing activity. For this purpose, a huge amount of geological and geophysical data was collected, including information about wells, structure maps, maps of seismic coverage, the pipeline net and more. Working with such big data volumes creates specific problems in terms of representation, storage, accessibility and visualization. To handle these data appropriately, we adapted the ARCGIS software complex. The application of GIS for monitoring the licensing activity enables a fairly speedy evaluation of the main parameters of a certain region. The data are stored in separate layers, which can be piled, so that the user can represent any type and any size of data in any desired combination. So one can combine, e.g., the existing infrastructure and data representing the exploration history as input for an economical evaluation model of the license block under consideration.
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Cap Rock Integrity Study for Kashagan oilfield
Authors D. Ybray and FIDEL IbragimovExperimental Program (EP) is the start of Kashagan development and field production (December 2012). EP is therefore the initial step and path to full field development. During the EP step, geological and dynamic information about the field is required for definition of the Full Field Development scheme. Critical subsurface information to be acquired includes: • Geological data (obtain from new wells) to assess reservoir quality, particularly in planned gas injection areas and the rim; • Reservoir production and injection data to establish reservoir potential; • Well performance data to evaluate areal and vertical sweep efficiency. By obtaining reservoir data from the wells drilled by the EP well clusters, reservoir quality in the core of the eastern platform will be determined and utilized to evaluate the production and injection potential of this key area for EP and full field development. The EP area also includes a number of wells placed in the Rim facies: well tests to date have been both low rate and short duration. Article will provide information on Kashagan Experimental Program objectives, implementation and overview of EP development scheme approval process within RoK authorities.
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Kashagan Experimental Program
Authors G. Gulya and FIDEL IbragimovThe main objective of this study is to develop a control scheme to maximise the bottom hole injection pressure without risking overpressure of the reservoir. Scope of the study is the identification of the characteristics of a monitoring system to be deployed in the Kashagan field. The monitoring program will be aimed to study the cap rock integrity, in presence of massive gas injection, in term of: • Detection of fractures • Fracture growth with time • Identification of gas flood front movement. The study investigates the technical aspects of Kashagan field and proposes possible monitoring design scenarios. The most suitable monitoring strategy to be adopted depends strongly on the philosophy of the cap rock integrity problem: the level of effort and the quantity of resources dedicated to monitoring increase with the necessity to detect fractures as early as possible at the beginning of their development and before they reach the cap rock layer. Experimental Program (EP) is the start of Kashagan development and field production (December 2012). EP is therefore the initial step and path to full field development. During the EP step, geological and dynamic information about the field is required for definition of the Full Field Development scheme.
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Status of geological exploration and perspectives of evaluation of oil exploration in the Kazakh sector of the Caspian Sea
Authors S.M. Isenov and S.G. KarimovStatus of geological exploration and perspectives of evaluation of oil exploration in the Kazakh sector of the Caspian Sea.
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Validated Training – The Way Forward
By E.C. FennA challenge faced by many companies is how to meaningfully develop the skills of their geoscience professionals without compromising their operational capacity. There is increasing recognition that formal accreditation for the skills learned is beneficial to both the company and the employee. The challenge for the training provider is how to ensure consistency in the award of a credit, and how to give it meaning in a global context. Accredited training courses leading to a university qualification offer one solution, whereby employees’ skills progression and competencies are rewarded with an industry-recognised higher diploma or Master’s degree. The net result is a team of highly trained and motivated geoscience staff, all with improved career prospects. A good example of this type of course is the postgraduate training offered to the oil and gas sector by Fugro Robertson Ltd and Royal Holloway, University of London. This fully validated, collaborative programme has been tailored to provide flexible and accessible training and assessment, leading to a recognised postgraduate qualification. The poster examines the benefits, versatility and success of this training model, and how it can complement existing training products.
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The Role of High Resolution Biostratigraphy in Exploration and Development
By L. NairnWell interpretation and successful field modelling depend on the availability of high quality data and the identification of time-equivalent units and events. Biostratigraphy has been proven to provide the data neccessary for confidently constraining the age of depositional sequences and identifying and constraining stratigraphic hiatuses. Interpretation of biostratigraphic data can be achieved both by reference to established, regional zonations and by the construction of local schemes based on high definition quantitative analyses to identify very localised, correlative field scale changes in individual taxon occurrences and the representation of groups indicative of particular environmental factors. High resolution biostratigraphic monitoring at wellsite enables accurate placement of casing and coring picks, identifies small scale faultsand hiatuses, and can play a major role in geosteering horizontal wells with a high degree of accuracy over long distances.
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Caspian Sea and Volga-Ural "Pgs-Khazar" and "Si-Technology" 2D/3D Seismic Integrated Data Super Projects
Authors M.S. Sharipov, D.F. Ismagilov, V.N. Kozlov, V.V. Dolgov and B.V. Zaporozhets"PGS-Khazar" and "SI-Technology" Caspian Sea & Volga-Ural 2D/3D Seismic Integrated Data Super Projects Show New Exploration Trends in Region
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Microseismicity Records Active Reservoir at Karachaganak Field, West Kazakhstan
Authors T. Daley, M. Morosini, M. Eales, A. Boivineau and C. NicouKarachaganak Petroleum Operating b.v. has been continuously monitoring using a microseismic array in the east-central part of the giant Karachaganak Field, West Kazakhstan, since February 2009. The field is producing from low porosity carbonates reservoirs comprising of a 600m Carboniferous isolated platform overlain by Permian carbonate pinnacle structures. A 200m thick oil rim is overlain by a 1000m gas column. The 8-level microseismic array is deployed in a well between 3500m and 4100m sub-sea, and each geophone level is recording with 4-component data. Until the end of March 2010, over 1200 microseismic events have been located, most of which lie within a 4 km radius of the array. They are interpreted to be due to instability at, or near, top reservoir, or to dynamic response of fault and fractures zones in the reservoir due to hydrocarbon production activities. The distribution of the former set will form part of the hazard mapping for future drilling activity and potential savings could be many rig days, a costly side track or even avoiding a junked well. The latter type indicates some of the lateral and vertical reservoir boundaries or baffles and will result in a refinement of the static and dynamic reservoir models.
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