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首页> 外文会议>SPE Latin America and Caribbean Petroleum Engineering Conference >Integrated Services in Well Construction Collaborate to Reduce Well Delivery Time by 45 in the Carabobo Area, Orinoco Oil Belt in Venezuela
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Integrated Services in Well Construction Collaborate to Reduce Well Delivery Time by 45 in the Carabobo Area, Orinoco Oil Belt in Venezuela

机译：在委内瑞拉的奥里诺柯油带中，井建筑的综合服务将在Carabobo地区减少45％，在委内瑞拉奥里诺科油带减少45％

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摘要

Billions of barrels of extra-heavy crude oil and bitumen deposits are present in Venezuela, with most located in the Orinoco Oil Belt (OOB). The OOB, which is situated in southeastern Venezuela, is one of the largest, essentially untapped, oil accumulations in the world. The belt stretches 700 km from east to west to the north of the Orinoco River, with an area of approximately 54 000 km~2. The OOB is composed of soft, unconsolidated reservoir sands dating from the Miocene age. The Carabobo block extra-heavy oil reservoirs are categorized by three gross intervals—Lower, Middle, and Upper Morichal formations—which are at a shallow true vertical depth (TVD) of less than 3,500 ft and consist of abrasive sands. Development is typically through the use of extended horizontal wells. Cuttings bed circulation and removal is one of the main challenges in these well types and can normally be alleviated by increasing rotation speed, but the abrasiveness of these formations could cause additional vibration, wear, and/or damage to directional tools. In a coordinated effort, the operator followed several steps to apply best drilling practices in this area. The first phase was implementing a customized project management (PM) model that organized discrete drilling service contracts under a centralized structure. The ultimate purpose was to drill wells faster in a safe environment with the least nonproductive time (NPT) possible, delivering the wells to production while maximizing efficiency in the field.
机译：委内瑞拉存在数十亿桶超重的原油和沥青矿床，最多位于奥林科油带（OOB）。位于委内瑞拉东南部的OOB是世界上最大的，基本上未开发的石油积累之一。皮带距离东到西部距离奥里诺科河北部有700公里，面积约54 000公里〜2。 OOB由柔软，未扑过的水库砂组成，可与中新世时代约会。 Carabobo Block超重的石油储存器由三个总间隔，中间和上部训练组成 - 这是浅垂直深度（TVD）小于3,500英尺，由磨砂砂组成。开发通常是通过使用延长的水平井。 Cuttings床循环和去除是这些井类型中的主要挑战之一，通常可以通过增加转速来缓解，但这些地层的磨蚀性可能导致额外的振动，磨损和/或对定向工具的损坏。在协调工作中，操作员遵循几个步骤，在该领域应用最佳钻探实践。第一阶段正在实施定制的项目管理（PM）模型，该模型在集中式结构下组织离散钻探服务合同。最终目的是在安全的环境中钻井井更快，具有最小的非生产性时间（NPT），可以在生产井中提供井，同时最大化该领域的效率。

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