分层油井同步采油井下数据通信技术研究

Yongwei Yan, Zhiguang Li, Wen Yong, Yanshan Wang, Xiaofang Wang, Wei Liu
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引用次数: 0

摘要

大港油田地质构造复杂。该区块大部分油井生产段长、生产段多、储层变异系数高、层间干扰严重,影响了采油。分采混采是解决这一问题的有效举升方法。然而,由于大港油田复杂断块油藏的地质条件,各层注水井对各层生产油井的影响尚不清楚。为了确定各层注水井对各层生产油井的影响,找出注水井与各层油井之间的油水运动规律,研究了分层同时生产的及时测试技术,采用间歇供电和井下储存的无线传输方式,满足3800m、120℃固定管柱及时测量分层压力的要求;从而明确分层油井的生产动态,掌握地层油水运动规律,有效指导油田分层生产开发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research of downhole data communication for simultaneous production of separate layer oil wells
The geological structure of Dagang Oilfield is complex. Most of the oil wells in the block have long production intervals, many production intervals, high reservoir variation coefficient and serious interlayer interference, which affect the oil production. Separate production and mixed production is an effective lifting method to solve this problem. However, due to the geological conditions of the complex fault block reservoir in Dagang Oilfield, the influence of each layer of stratified water injection well on each layer of production oil well is still unclear. In order to determine the influence of each layer of water injection well on each layer of production oil well, find out the oil-water movement law between water injection well and each layer of oil well, the timely testing technology of slicing and simultaneous production is studied, The wireless transmission mode of intermittent power supply and downhole storage is adopted to meet the requirements of timely measurement of stratification pressure by the fixed string of 3800m and 120°C, so as to make clear the production performance of oil wells in separate layers, master the oil-water movement law of formation, and effectively guide the layered production and development of oilfield.
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