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首页> 外文会议>SPE/PS-CIM/CHOA international thermal operations and heavy oil symposium and international horizontal well technology conference >Horizontal Wells Pressure Build Up Analysis in Orinoco Heavy Oil Belt
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Horizontal Wells Pressure Build Up Analysis in Orinoco Heavy Oil Belt

机译：奥里诺科重油带水平井压力增高分析

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The innovative application of horizontal drillingrntechnology has made the Petrozuata development project inrnVenezuela a great success. Petrozuata is the first of fourrnstrategic associations implementing an integrated developmentrnin the Faja trend, which contains 1.36 trillion barrels of oil inrnplace and is one of the world’s largest heavy oilrnaccumulations. The joint venture of Petroleos de Venezuela,rnS.A. (PDVSA) and Conoco, Inc., drilled 101 single lateral andrn140 multi-lateral horizontal wells in the Zuata Field from 1998rnto 2001 as a means of delivering production rates of up torn3000 BOPD per well from reservoir sands of 8° to 10° API oil.rnWell test interpretation and analysis techniques have beenrnapplied to both single and multi-lateral horizontal wells. Thisrnpaper summarizes the methodology developed to analyzernpressure build up (PBU) tests in the single lateral horizontalrnwells and recent experiences with the application of state ofrnart PBU analysis techniques in the Zuata field wells.rnBecause of the geological complexity of the fluvial-deltaicrnreservoir sands and the peculiar transient pressure behavior, itrnwas necessary to integrate analytical techniques that identifiedrnthe various flow regimes with numerical analysis that furtherrnquantified the analytic interpretation. The integrated approachrnallowed for improvements in the conventional analyticalrninterpretation and provided a basis of incorporatingrnrefinements in the reservoir description when combined withrngeological and petrophysical data and interpretation.
机译：水平钻孔技术的创新应用使委内瑞拉的Petrozuata开发项目取得了巨大成功。 Petrozuata是在Faja趋势中实施综合开发的四个战略协会中的第一个，该协会包含1.36万亿桶石油进口，并且是世界上最大的重油储备之一。委内瑞拉国家石油公司的合资企业（PDVSA）和Conoco，Inc.在1998年至2001年间，在Zuata油田钻了101口单井和140口多边水平井，这是从8°到10°API油的储层中将每口井的产能提高到3000 BOPD的方法井测试解释和分析技术已经应用于单井和多井水平井。本文总结了开发用于单侧向水平井的分析器压力建立（PBU）测试的方法，以及在Zuata井中应用状态PBU分析技术的最新经验。瞬态压力行为，有必要将识别各种流态的分析技术与数值分析相结合，以进一步量化分析解释。集成方法允许改进常规分析方法，并为与地质和岩石物理数据和解释相结合的精细化方法纳入储层描述提供了基础。

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