胜利油田致密油储层体积压裂技术及应用

2019年3月

第24卷第2期

中国石油勘探

CHINA PETROLEUM EXPLORATION DOI. 10.3969/j.issn. 1672-7703.2019.02.012

胜利油田致密油储层体积压裂技术及应用

张全胜李明张子麟陈勇张潦源李爱山

（中国石化胜利油田分公司石油工程技术研究院）

摘 要：胜利油田致密油储量丰富，储层埋藏深、物性差、岩性复杂，常规压裂后产量低、递减快，开发效益差。

通过技术攻关和配套完善，形成了适合于致密油储层的组合缝网压裂等压裂新工艺，在提高改造体积的同时，大幅度

提高裂缝导流能力，提高压后效果，并针对纵向多层系油藏特点，形成了水平井多级分段压裂和直斜井多级分段压裂 两类改造模式，研发了可以在线连续混配施工的速溶型低浓度瓜尔胶压裂液体系，以及可与地表水、热污水混配、可 回收再利用的乳液缔合型压裂液体系，有效解决了大规模连续施工压裂液的配置、水源等问题；同时完善了井工厂实

施模式和裂缝监测技术。应用该技术成功开发了 Y227、Y22, Y104等致密油区块，大幅度提高了单井产能、延长了 有效期，提高了区块开发效益，带动了一批难动用储量投入有效开发，大幅提高了胜利油田致密油藏经济有效动用程度。

关键词：致密油，分段压裂；体积压裂；组合缝网

中图分类号：TE357.1 文献标识码：A

Application of volume fracturing technology in tight oil reservoirs of

Shengli oilfield

Zhang Quansheng, Li Ming, Zhang Zilin, Chen Yong, Zhang Liaoyuan, Li Aishan

Abstract: The Shengli oilfield is rich in tight oil reserves, but the reservoirs characterized by deep burial, poor physical properties and complex lithology, leading to unsatisfactory development performance like low yield and fast production decline after conventional fracturing

stimulation. Through researches and optimizations, new fracturing techniques, such as commingled fracture network stimulation, were

developed for tight oil reservoirs. While increasing the stimulated reservoir volume (SRV), these techniques can greatly improve fracture conductivity and post-fracturing performance. For the reservoirs with multiple layers vertically, two types of treatments were established, i.e. multi-stage fracturing of horizontal wells and multi-stage fracturing of vertical/deviated wells. A fast-dissolving low-concentration guar fracturing system that can be continuously mixed on line and a recyclable emulsion-associating fracturing fluid system that can be mixed with surface water and hot sewage were developed, which can effectively ensure the fracturing fluid preparation and water source for large-scale continuous fracturing operations. Moreover, the well-plant operation mode and fracture monitoring technique were upgraded. The proposed technology has been successfully applied in tight oil blocks such as Y227, Y22 and Y104. By greatly improving the single-well productivity and lifecycle, it helps increase the development benefit. Accordingly, the utilization degree of the tight oil in Shengli oil field has been improved economically and effectively.

Key words: tight oil, staged fracturing, volume fracturing, comingled fracture network

域改造技术和理念的进步，体积压裂技术开始成为致

密储层的主流改造技术。自2007年以来，北美地区

近年来，随着页岩气和致密油等非常规油气领 大规模应用水平井分段压裂技术，标志着体积压裂技

基金项目：国家科技重大专项“渤海湾盆地济阳坳陷致密油开发示范工程” （2017ZX05072）。

第一作者简介：张全胜（1964-），男，山东鄆城人，硕士，2002年业于上海交通大学，教授级高级工程师，主要从事致密油

压裂、完井技术研究及管理工作。地址：山东省东营市西三路306号胜利油田石油工程技术研究院，邮政编码：257000。E-mail ：

zhangqsh513. slyt@sinopec . com

通信作者简介：李明（1981-）,男，山东禹城人，硕士，2006年毕业于中国石油大学（华东），高级工程师，主要从事储层改造技

术研究及应用工作。地址：山东省东营市西三略306号胜利油田石油工程技术研究院，邮政编码：257000。E-mail ： liming521 .slyt@

收稿日期：2018-09-24；修改日期：2019-02-14