水管理

无钻机有线测井方法可定位、解决水源问题

本文介绍了无钻机电缆测井技术的现场案例,该技术可准确定位里海近海油田带有独立防砂筛管的套管井的产水来源。

五个微型旋转器读数(右)显示先进生产测井工具串中斜井中的流体再循环。
图1'中的小型旋转器读数(右)显示了先进生产测井工具串中斜井中的流体再循环。含气率和持水率测量(左)显示流体沿管道垂直轴的分离。传感器位置以白色圆圈显示,对应于微型旋转器位置,黄点对应于钻孔内的电气和光学探头位置。

整篇论文中提供的现场示例描述了一种适合目的的测井方法,用于准确定位水生产源并执行无钻机停水操作,以提高使用独立砂筛管完成的套管井的经济高效的碳氢化合物生产。修复作业后,作者观察到所有修复井的产水量显着下降,产油率上升。

介绍

该作业者获得里海切莱肯合同区油气资源勘探开发生产许可证。该地区由两个海上油气田 Dzheitune (LAM) 和 Dzhygalybeg 组成,水深在 8 至 42 m 之间。这些油田由位于油气丰富的阿普谢伦海脊东端的两个​​细长背斜组成。

SPE_logo_CMYK_trans_sm.png
成为 SPE 会员继续阅读
SPE 会员:请在页面顶部登录才能访问此会员专享内容。如果您还不是会员,但发现 JPT 内容很有价值,我们鼓励您成为 SPE 会员社区的一部分,以获得完全访问权限。
原文链接/jpt
Water management

Rigless Wireline Logging Approach Locates, Addresses Water Sources

This paper presents field cases of a rigless wireline logging technique that accurately locates sources of water production in cased wells with standalone sand screens in an offshore field in the Caspian Sea.

Five minispinner readings (right) show fluid recirculation in a deviated well in the advanced production-logging toolstring.
Fig. 1—Five minispinner readings (right) show fluid recirculation in a deviated well in the advanced production-logging toolstring. Gas and water holdup measurements (left) show fluid segregation along the vertical axis of the pipe. Sensor positions are shown in white circles that correspond to minispinner positions, and yellow dots correspond to electrical and optical probe positions within the borehole.

Field examples presented in the complete paper describe a fit-for-purpose logging approach for locating sources of water production accurately and executing rigless water-shutoff operations to increase cost-effective hydrocarbon production in cased wells completed with standalone sand screens. After remedial operations, the authors observed a significant decline in water production and an increase in oil rates in all remediated wells.

Introduction

The operator was granted a production license for exploration and development of oil and gas resources in the Cheleken Contract Area in the Caspian Sea. The area consists of two offshore oil and gas fields, Dzheitune (LAM) and Dzhygalybeg, in water depths between 8 and 42 m. The fields consist of two elongated anticlines at the eastern end of the prolific hydrocarbon Apsheron Ridge.

×
SPE_logo_CMYK_trans_sm.png
Continue Reading with SPE Membership
SPE Members: Please sign in at the top of the page for access to this member-exclusive content. If you are not a member and you find JPT content valuable, we encourage you to become a part of the SPE member community to gain full access.