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Rejuvenating Production in Brown Fields with Horizontal Sidetracks

机译：在水平方向上使棕地的生产焕发活力

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摘要

Horizontal sidetracks offer a very viable technique for rejuvenatingrnproduction in the redevelopment of brown fields. In brown fields wherernsignificant reserves exist, but occur as scattered pockets of by-passed oil, or inrnstacked reservoirs, their development with new wells will hardly satisfyrneconomic screening criteria. The abundance of old wells that have drained thernrecoverable reserves in their drainage area and are either producing at veryrnlow rates or are closed-in, make horizontal sidetracks a viable tool forrnrejuvenating production and maximising existing assets.rnWith a vision to improve production in SPDC by 60% in 2004 and by overrn200% (to 2.5 Mmbopd) in the year 2010, producing the limit or sweating thernexisting brown fields is now a key factor. Most new wells are now horizontalrncompletions, due to their higher productivity over vertical or inclined wells.rnThis paper presents the benefits of horizontal sidetracks as a productivityrnimprovement tool that was used to boost production from Obigbo North (onernof SPDC-E brown fields) by more than 10,000 BOPD in 1999 alone. Itrndiscusses production gains, geology, well construction, completion types,rnenvironmental benefits and petrophysical data acquisition and interpretationrnproblems that could be encountered with horizontal sidetracks in brown fields,rnbased on our experience.
机译：水平的侧轨提供了一种非常有活力的技术，可以使棕色田地的重建恢复生产。在存在大量储量但作为零散油路或堆积油藏出现的棕色油田中，用新油井进行开发很难满足经济筛选标准。大量的老井已经耗尽了流域可采储量，或者以非常低的速度开采或关闭，使水平轨道成为使生产恢复活力并最大化现有资产的可行工具。旨在将SPDC的产量提高60％的愿景。 2004年的百分比，到2010年增加200％（至2.5 Mmbopd），产生极限或使现有的棕色田地流汗已成为关键因素。由于大多数新井现在都比水平井或斜井具有更高的生产率，因此现在是水平完井的。本文介绍了水平侧轨作为生产率提高工具的好处，该工具用于将Obigbo North（SPDC-E棕壤的北部）的产量提高超过50％。仅在1999年就达到10,000 BOPD。它根据我们的经验，讨论了在棕色田地中横向走线可能遇到的产量，地质，井的构造，完井类型，环境效益以及岩石物理数据的采集和解释问题。

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  • 来源
    《Technology advances》|2000年|p.1-12|共12页
  • 会议地点 Calgary(CA)
  • 作者

    Victor C. Ogoke; Matthias Akhideno; Akin Akinkunmi; Chike Nwosu; Remmy Ugboaja; Roya Simon; Saka Matemilola;

  • 作者单位

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

    The Shell Petroleum Development Company of Nigeria Limited Port Harcourt;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 定向钻井;
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