[1]袛淑华,洪晶,吕鹏,等.束录凹陷致密油储层可压裂性评价方法[J].测井技术,2019,43(05):536-541.[doi:10.16489/j.issn.1004-1338.2019.05.018]
 DI Shuhua,HONG Jing,LYU Peng,et al.Method for Fracturability Evaluation of Tight Oil Reservoirs in the Shulu Sag[J].WELL LOGGING TECHNOLOGY,2019,43(05):536-541.[doi:10.16489/j.issn.1004-1338.2019.05.018]
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束录凹陷致密油储层可压裂性评价方法()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期数:
2019年05期
页码:
536-541
栏目:
解释评价
出版日期:
2019-10-20

文章信息/Info

Title:
Method for Fracturability Evaluation of Tight Oil Reservoirs in the Shulu Sag
文章编号:
1004-1338(2019)05-0536-06
作者:
袛淑华1洪晶1吕鹏2叶文军1李欢1张娟3黄胜1
(1.中国石油集团测井有限公司华北分公司,河北任丘062552;2.中国石油华北油田公司勘探 开发研究院,河北任丘062552;3.中国石油集团测井有限公司技术中心,陕西西安710077)
Author(s):
DI Shuhua1HONG Jing1LYU Peng2YE Wenjun1LI Huan1ZHANG Juan3HUANG Sheng1
(1. Huabei Division, China Petroleum Logging CO. LTD., Renqiu, Hebei 062552, China; 2. Exploration and Development Research Institute, PetroChina Huabei Oilfield Company, Renqiu, Hebei 062552, China; 3. Technology Center, China Petroleum Logging CO. LTD., Xi’an, Shaanxi 710077, China)
关键词:
测井评价致密油脆性指数断裂韧性压裂综合参可压裂性
Keywords:
log evaluation tight oil brittleness index fracturing toughness comprehensive fracturing parameters fracturability
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.05.018
摘要:
对束鹿凹陷泥灰岩、砾岩致密油储层,利用单一的脆性指数不能真实反映储层的可压裂性,根据束鹿凹陷致密油储层岩石矿物特征,确定弹性模量与泊松比计算脆性指数的模型,并针对单一脆性指数评价裂缝孔隙型、孔隙裂缝型储层压裂难易程度的局限性,引入断裂韧性参数和裂缝密度构建了储层综合压裂参数。从压裂综合指数与微地震监测压裂缝长度、压裂注入液量、施工破裂压力等工程参数的关系发现,压裂综合参数越大,压裂缝长度越长、注入液总量越高、实际破裂压力越低,反映了对储层可压裂性评价的有效性。该方法对于束鹿致密油储层压裂井段优选,预测压裂产能具有一定的指导意义。
Abstract:
Only brittleness index can’t truly reflect the fracturability of the tight marl and conglomerate oil reservoirs in the Shulu sag. First build a model for calculating brittleness index by elastic modulus and Poisson’s ratio based on the mineral characteristics of the tight reservoirs, and then introduce fracturing toughness and fracture density to compose of comprehensive fracturing parameters. This can eliminate the limitation of brittleness index in evaluating the fracturability of fractured-porous reservoirs and porous-fractured reservoirs. According to the comprehensive fracturing parameters and engineering parameters such as microseismic fracture length, volume of fracturing fluid injected and fracturing pressure measured during the fracture process, it is concluded that the larger the comprehensive fracturing parameters, the longer the fracture length, the higher the volume of fracturing fluid injected, and the lower the actual fracturing pressure, which improves the effectiveness of fracturability evaluation. This method is a reference to selecting fractured sections and predict post-fracturing productivity of the tight oil reservoir in the Shulu sag.

参考文献/References:


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备注/Memo

备注/Memo:
基金项目:中国石油天然气股份有限公司重大专项“华北油田上产稳产800万t关键技术与应用”课题三“致密油气成藏评价与勘探开发一体化技术研究”(2014E-35-03)资助 第一作者:袛淑华,女,1968年生,高级工程师,从事测井解释评价工作及测井解释方法研究。E-mail:dsh_hy@163.com(修改回稿日期: 2019-04-14本文编辑余迎)
更新日期/Last Update: 2019-10-20