[1]吴思仪,袁龙,肖华,等.基于元素俘获谱测井的川东北致密碎屑岩储层 参数计算[J].测井技术,2019,43(02):167-172.[doi:10.16489/j.issn.1004-1338.2019.02.011]
 WU Siyi,YUAN Long,XIAO Hua,et al.A Method for Calculating Reservoir Parameters of Tight Clastic Rocks in Northeast Sichuan Based on Element Captured Spectrum Log Data[J].WELL LOGGING TECHNOLOGY,2019,43(02):167-172.[doi:10.16489/j.issn.1004-1338.2019.02.011]
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基于元素俘获谱测井的川东北致密碎屑岩储层 参数计算()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期数:
2019年02期
页码:
167-172
栏目:
非常规油气评价
出版日期:
2019-06-20

文章信息/Info

Title:
A Method for Calculating Reservoir Parameters of Tight Clastic Rocks in Northeast Sichuan Based on Element Captured Spectrum Log Data
文章编号:
1004-1338(2019)02-0167-06
作者:
吴思仪1 袁龙2 肖华2 鲁明羽3 唐瑜4 佘钰蔚5
(1.中国石油集团测井有限公司长庆分公司, 陕西 西安 710021; 2.中国石油集团测井有限公司测井应用研究院, 陕西 西安 710021; 3.中国石油集团测井有限公司塔里木分公司, 新疆 库尔勒 841000; 4.中国石油西南油气田公司勘探开发研究院, 四川 成都 610041; 5.中国石油长庆油田分公司第二采气厂, 陕西 西安 710021)
Author(s):
WU Siyi1 YUAN Long2 XIAO Hua2 LU Mingyu3 TANG Yu4 SHE Yuwei5
(1. Changqing Branch, China Petroleum Logging CO. LTD., Xi'an, Shaanxi 710021, China; 2. Oil and Gas Evaluation Center, China Petroleum Logging CO. LTD., Xi'an, Shaanxi 710021, China; 3. Tarim Branch, China Petroleum Logging CO. LTD., Kurla, Xinjiang 841000, China; 4. CNPC Southwest Oil and Gas Field Exploration and Development Research Institute, Chengdu, Sichuan 610041, China; 5. Secondary Gas Recovery Plant, PetroChina Changqing Oilfield CO. LTD., Xi'an, Shaanxi 710021, China)
关键词:
元素俘获谱测井 致密碎屑岩 非弹性散射 氧化物闭合 储层综合评价
Keywords:
ECS tight clastic rock inelastic scattering oxide closure comprehensive reservoir evaluation
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.02.011
文献标志码:
A
摘要:
川东北地区须家河组须三段陆相碎屑岩沉积储集岩石成分和结构复杂、物性条件差、非均质性强,常规测井参数解释模型技术在应用中受到限制。针对川东北地区须家河组储层的特点和难点,建立一套以元素俘获谱测井(ECS)为基础测井评价方法。元素俘获谱测井利用快中子与地层中的原子核发生非弹性散射碰撞及热中子被俘获原理,通过解谱和氧化物闭合模型得到地层中主要造岩元素的相对百分含量,并应用聚类分析、因子分析等方法定量求解地层的各种氧化物含量。在此基础上,建立储层岩石骨架属性、计算孔隙度、饱和度等储层综合评价。该方法在川东北地区须家河组致密砂岩储层评价中具有指导意义。
Abstract:
Continental clastic reservoirs of Xu 3 Member of Xujiahe Formation in northeastern Sichuan Basin have complex rock composition and structure, poor physical properties and strong heterogeneity, and can't be well interpreted by a conventional logging parameter model. Based on this study, a log evaluation method has been established based on element captured spectra(ECS)log data. Following the principle of that elastic scattering collision takes place between fast neutrons and formation nuclei and then thermal neutron are captured, the ECS logging method can get the relative percent of primary elements in formation by spectral decomposition and an oxide closure model; then the contents of various oxides in formation can be quantitatively calculated by cluster analysis and factor analysis; and finally, reservoir evaluation can be carried out, involving porosity and saturation, properties of rock skeleton etc. Field application has proved that this method has guiding significance in the evaluation of tight sandstone reservoirs of Xujiahe Formation in northeastern Sichuan.

参考文献/References:

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备注/Memo

备注/Memo:
(修改回稿日期: 2018-12-27 本文编辑 余迎)基金项目: 中国石油重大科技专项“柴达木盆地高原咸化湖盆油气藏测井评价技术攻关”(2011E-0305) 作者简介: 吴思仪,女,1990年生,硕士研究生,研究方向为测井资料处理解释与地质应用。E-mail:251948812@qq.com
更新日期/Last Update: 2019-06-20