硼中子寿命测井技术及其现场应用研究

Study on boron neutron lifetime log and its application in practice

谭光明

Tan Guangming

中国石化胜利油田有限公司现河采油厂, 山东 东营 257068

Xianhe Oil Plant of Shengli Oil Field Co. Ltd, Dongying 257068, China

现河庄油田由数个面积较小且地质条件相对复杂的断块组成, 目前已开采三十多年, 大部分区块已进入高含水期, 水淹严重, 层间矛盾极为突出。硼中子寿命测井技术作为近些年发展起来的一项重要的放射性测井技术, 对于油田开发, 特别是对于油藏高含水阶段的进一步开采, 与其他测井方法相比有着独特的优势。在对硼中子寿命测井技术进行介绍的同时, 着重阐述了该项技术在现河庄油田的应用情况, 对几口典型井进行了重点剖析, 通过应用硼中子寿命测井, 定性地对该区进行剩余油评价, 指导了单元开发调整, 最大限度挖掘层间、层内剩余油潜力, 同时为该技术在同类型油田的进一步应用提供了借鉴。

Xianhezhuang Oilfield is composed of many block faults, these block faults' area is smaller and their geologic condition is very complicated. Xianhezhuang Oilfield has been developed over 30 years by now. Most part of the block faults has been in high water cut stage, water flood seriously, and interformational contradiction is extremely predominant. To the development of the oilfield, especially to its further production in high water cut stage, boron neutron lifetime log has peculiar advantage compared with other log method. The article introduces technique of boron neutron lifetime log, and emphasize its application in Xianhezhuang Oilfield. It dissects several typical wells. It evaluates remaining oil in this area, and directs the development and adjustment of the units by means of boron neutron lifetime log. It unearths intrabedded and intraformational potentiality of remaining oil, and it provides reference to the application in the same type of oil field.