Field application of tight oil factory fracturing in Mahu sag

Yan Xiangyang; Wang Yandong; Wang Tengfei; Zhao Haiyan; Xu Yonghui; Wan Kai; Guo Nana

doi:10.13809/j.cnki.cn32-1825/te.2018.05.012

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Field application of tight oil factory fracturing in Mahu sag

更新时间：2025-12-11

- Field application of tight oil factory fracturing in Mahu sag
- Petroleum Reservoir Evaluation and Development Vol. 8, Issue 5, Pages: 70-76(2018)
- 作者机构：
  
  1. 延安能源服务有限公司,陕西,延安,716000
  2. 美国能新科国际有限公司,北京,100022
  3. 延安能源化工（集团）有限责任公司,陕西,延安,716000
  4. 中国石油新疆油田分公司工程技术研究院,新疆,克拉玛依,834000
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2018.05.012
  CLC： TE357
- Published：2018
- 稿件说明：
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Yan Xiangyang, Wang Yandong, Wang Tengfei, et al. Field application of tight oil factory fracturing in Mahu sag[J]. Petroleum Reservoir Evaluation and Development, 2018, 8(5): 70-76.
DOI：

Yan Xiangyang, Wang Yandong, Wang Tengfei, et al. Field application of tight oil factory fracturing in Mahu sag[J]. Petroleum Reservoir Evaluation and Development, 2018, 8(5): 70-76. DOI： 10.13809/j.cnki.cn32-1825/te.2018.05.012.

摘要

新疆油田玛湖凹陷主力层位三叠系百口泉组为典型的致密油储层。针对该区致密油储层开发要求

通过开展综合分析研究

采用拉链式交错布缝的工厂化压裂思路、快钻桥塞多段多簇的细分切割体积改造设计理念

在玛131井区两口2 000 m长水平段的水平井压裂中探索并应用了前置酸预处理、滑溜水多段塞打磨、低伤害冻胶加砂及利用应力干扰形成复杂缝网等一套适合玛湖砂砾岩储层工厂化体积压裂的技术方法。按照上述技术思路和方法

两口井分别成功实施了26段和22段压裂

用液达到20 162 m

和23 765 m

加入支撑剂达到1 803 m

和1 702 m

且均取得压后稳定产量超过30 t/d的良好增产改造效果。两口井工厂化压裂的成功实施为玛湖致密油后期储层改造技术研究实施奠定了基础

为该区致密油实现规模效应开发提供了有力保障。

Abstract

Reservoirs in the Triassic Baikouquan formation of Mahu sag in Xinjiang oilfield is a typically tight permeable formation. Considering the purpose of the development and comprehensive analysis

by the factory fracturing ideas of zipper fracturing and subdivision cutting volume fracturing by plug fracturing with multi-stages and multi-clusters

we explored and created a factory fracturing method that is used in 2 horizontal wells of 2 000 meters long in well area Ma131 by using pre-acid pretreatment

slick water multi-plug

low damage gel fracturing fluid which is causing a complex net volume on the role of stress interference. 26 and 22 stages fracture were respectively implemented in 2 wells with the

fracturing fluid of 20 162 m

and 23 765 m

and proppant of 1 803 m

and 1 702 m

which leads to a good stimulation with the oil yield over 30 tons per day after hydraulic fracturing. The successful study and use of factory fracturing make a good foundation for the later stimulation of Mahu tight oil and provide safeguard for the scale effective development of tight oil in this area.

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