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Название: Adaptive identification and interpretation of pressure transient tests of horizontal wells: challenges and perspectives
Авторы: Sergeev, Viktor Leonidovich
Dong Van Hoang
Ключевые слова: адаптивная интенсификация; испытания; давление; горизонтальные скважины; нефтеносные пласты; информационно-измерительные системы; оптимизация; продуктивные пласты
Дата публикации: 2016
Издатель: IOP Publishing
Библиографическое описание: Sergeev V. L. Adaptive identification and interpretation of pressure transient tests of horizontal wells: challenges and perspectives / V. L. Sergeev, Dong Van Hoang // IOP Conference Series: Earth and Environmental Science. — 2016. — Vol. 43 : Problems of Geology and Subsurface Development : XX International Scientific Symposium of Students, Postgraduates and Young Scientists, 4–8 April 2016, Tomsk, Russia. — [012016, 6 p.].
Аннотация: The paper deals with a topical issue of defining oil reservoir properties during transient tests of horizontal wells equipped with information-measuring systems and reducing well downtime. The aim is to consider challenges and perspectives of developing models and algorithms for adaptive identification and interpretation of transient tests in horizontal wells with pressure buildup curve analysis. The models and algorithms should allow analyzing flow behavior, defining oil reservoir properties and determining well test completion time, as well as reducing well downtime. The present paper is based on the previous theoretical and practical findings in the spheres of transient well testing, systems analysis, system identification, function optimization and linear algebra. Field data and results of transient well tests with pressure buildup curve analysis have also been considered. The suggested models and algorithms for adaptive interpretation of transient tests conducted in horizontal wells with resulting pressure buildup curve make it possible to analyze flow behavior, as well as define the reservoir properties and determine well test completion time. The algorithms for adaptive interpretation are based on the integrated system of radial flow PBC models with time- dependent variables, account of additional a priori information and estimates of radial flow permeability. Optimization problems are solved with the case study of PBC interpretation for five horizontal wells of the Verkhnechonsk field.
URI: http://earchive.tpu.ru/handle/11683/35125
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