[1]丛连铸 李治平 刘学伟 陈何彬.致密气藏低伤害压裂液研究及应用[J].石油钻采工艺,2008,30(2):078-81.
 CONG Lianzhu,LI Zhiping,LIU Xuewei,et al.Research on low damage fracturing fluid in tight gas reservoirs and its application[J].Oil Drilling & Production Technology,2008,30(2):078-81.
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致密气藏低伤害压裂液研究及应用
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
30卷
期数:
2008年2期
页码:
078-81
栏目:
油气开采
出版日期:
2008-04-20

文章信息/Info

Title:
Research on low damage fracturing fluid in tight gas reservoirs and its application
文章编号:
1000-7393(2008)02-0078-04
作者:
丛连铸12 李治平1 刘学伟2 陈何彬3
1.中国地质大学,北京 100083; 2.中石油勘探开发科学研究院廊坊分院,河北廊坊 065007;3.渤海石油职业学院,河北任丘062552
Author(s):
CONG Lianzhu12 LI Zhiping1LIU Xuewei2CHEN Hebin3 
1. China University of Geosciences, Beijing 100083, China;2. Research Institute of Petroleum Exploration and Development (Langfang), PetroChina, Langfang 065007, China;3.Bohai Petroleum Professional College, Renqiu 062552, China
关键词:
致密气藏 水基压裂液 低地层伤害 性能评价 现场试验
Keywords:
tight gas reservoir water based fracturing fluid low formation damage performance assessment field test
分类号:
TE357.12
文献标志码:
A
摘要:
致密气藏通常具有低孔、低渗、低压、强水锁等特性,减少外来液体侵入储层,加快压裂液返排,提高压裂液返排率,将直接影响压后的单井产量。针对鄂北塔巴庙地区上古生界气藏石盒子组盒1段和山西组山1段,在充分认识储层地质特征的基础上,对N2增能水基压裂液进行了大量的室内研究,以尽可能降低由于压裂液侵入储气层而造成的伤害。试验表明,N2增能水基压裂液能较好地降低储层喉道毛细管的界面张力,有利于压裂后残液的返排,降低了对储层造成的伤害,其性能指标满足压裂工艺对储层改造的要求。通过现场实施,该压裂液配方体系能较好地满足压裂工艺及储层的物性,提高了压后压裂液返排率,取得较好的单井产量。
Abstract:
Tight gas reservoirs feature in low porosity, low permeability, low pressure and strong water locking. The single-well productivity after fracturing will be negatively influenced by reducing the extraneous fluid invasion, accelerating the back-discharge of fracturing fluid, and increasing the back-discharge rate. Based on fully recognizing the geological features of the He1 member of Shihezi formation and the Shan1 member of Shanxi formation of the Upper Paleozoic gas reservoir in Tabamiao area of northern Ordos Basin, a lot of lab research is conducted on the N2 enhanced water based fracturing fluid, aiming at as much as possible lowering the damage caused by the invasion of fracturing fluid into the reservoir. Lab research shows that the N2 enhanced water based fracturing fluid can be used to better reduce the surface tension in the capillaries in the reservoir pore throats, favorable for the back-discharge of residual fracturing fluid, lowering the damage to the formation. The properties of the fracturing fluid meet the requirement of the fracturing process on reservoir reconstruction. Field application indicates that the formula system of the fracturing fluid could better meet the requirements of the fracturing process and the physical properties of reservoirs, increasing the back-discharge rate of the fracturing fluid after fracturing, and realizing higher single-well productivity. 

参考文献/References:

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备注/Memo

备注/Memo:
(收稿日期 2007-09-27)  攻关项目:中石化科学技术研究开发项目“鄂北低压致密气藏保护与增产改造技术研究”(编号:xyk2004-51-3)部分内容。作者简介:丛连铸,1968年生。中国地质大学博士后,研究方向为油气田开发工程,长期从事压裂酸化技术研究与现场应用工作,高级工程师。电话:010-84882263,E-mail:conglz@petrochina.com.cn
更新日期/Last Update: 2008-04-23