奇迹觉醒IOS电脑端:
[1]席輝,張海濤,林偉川,等.XX地區長8中高電阻率儲層出水原因分析[J].測井技術,2019,43(01):20-25.[doi:10.16489/j.issn.1004-1338.2019.01.004]
 XI Hui,ZHANG Haitao,LIN Weichuan,et al.Water-production Causation Analysis for Medium-high Resistivity Reservoir of Changba Formation in XX Area[J].WELL LOGGING TECHNOLOGY,2019,43(01):20-25.[doi:10.16489/j.issn.1004-1338.2019.01.004]
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XX地區長8中高電阻率儲層出水原因分析()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期數:
2019年01期
頁碼:
20-25
欄目:
處理解釋
出版日期:
2019-04-20

文章信息/Info

Title:
Water-production Causation Analysis for Medium-high Resistivity Reservoir of Changba Formation in XX Area
文章編號:
1004-1338(2019)01-0020-06
作者:
席輝1 張海濤2 林偉川1 張蕾1 肖飛1 吳有彬1 郭浩鵬2
(1.中國石油集團測井有限公司, 陜西 西安 710077; 2.長慶油田勘探開發研究院, 陜西 西安 710018)
Author(s):
XI Hui1 ZHANG Haitao2 LIN Weichuan1 ZHANG Lei1 XIAO Fei1 WU Youbin1 GUO Haopeng2
(1. China Petroleum Logging CO. LTD., Xi'an, Shaanxi 710077, China; 2. Exploration and Development Research Institute of Changqing Oilfield Company, Xi'an, Shaanxi 710018, China)
關鍵詞:
測井解釋 中高電阻率 出水原因 流體性質 壓裂 核磁共振測井
Keywords:
log interpretation medium-high resistivity water-production causation fluid properties fracturing nuclear magnetic resonance logging
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.01.004
文獻標志碼:
A
摘要:
鄂爾多斯盆地某地區長8儲層為水下分流河道砂體,巖性以細-中粒巖屑長石砂巖為主,錄井顯示以油斑為主,測井電性顯示為中高電阻率(30~150 Ω·m),電性與油層相當,甚至好于油層,常規測井解釋多為油層或油水層。但經過壓裂改造后試油出水,測井解釋符合率極低。利用地質、測井、分析化驗和試油等資料,從儲層巖心、物性、地層水、原油性質和潤濕性等5方面開展了該區長8中高電阻率儲層出水原因分析。形成了基于常規測井及核磁共振測井高電阻率儲層流體性質判識技術,提高了長8儲層測井解釋符合率,在實際生產中應用效果顯著。
Abstract:
Chang 8 Formation developed underwater distributary channel sand body in an area of Ordos Basin. The lithology of the reservoir was mainly composed of fine-medium grained lithic argillaceous sandstone, the display of mud logging was dominated by oil spots, and the electricity characteristics of reservoirs was medium-high resistivity(30~150 Ω·m). This electrical characteristic was the same as the electrical characteristic of oil layer, even better than the oil layer, so the conventional log interpretation result of this kind of reservoirs were mostly the oil layer or oil-water layers. However, after fracturing and testing, the results shown that most of these reservoirs were water layers, and the log interpretation coincidence rate was very low. Based on the data of geology, logging, analysis test and oil test, this paper analyzes the causes of water production in high resistivity reservoirs in the Chang 8 Formation from 5 aspects, such as reservoir core, physical properties, formation water, crude oil properties and wetting property. According to the results of the analysis, the fluid identification technology of high resistivity reservoir based on conventional logging and NMR logging was formed in this paper. The technology improved the log interpretation coincidence rate of the Chang 8 reservoir greatly and has achieved remarkable application results in the actual production.

參考文獻/References:

奇迹觉醒刷怪最强职业 www.gtarc.icu
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備注/Memo

備注/Memo:
基金項目: 中國石油天然氣股份有限公司重大科技專項“復雜油氣藏地震預測與測井識別技術研究”(2016E-0503)
第一作者: 席輝,男,1980年生,碩士,工程師,從事低滲透致密油氣藏測井評價與應用工作。E-mail:[email protected]
更新日期/Last Update: 2019-04-20