[1]王曉琳,張小莉.鄂爾多斯盆地志丹油區延長組長6致密砂巖儲層裂縫識別[J].測井技術,2020,(04):404-410.[doi:10.16489/j.issn.1004-1338.2020.04.017]
 WANG Xiaolin,ZHANG Xiaoli.Fracture Identification of Chang-6 Tight Sandstone Reservoir in Yanchang Formation of Zhidan Oil Region,Ordos Basin[J].WELL LOGGING TECHNOLOGY,2020,(04):404-410.[doi:10.16489/j.issn.1004-1338.2020.04.017]
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鄂爾多斯盆地志丹油區延長組長6致密砂巖儲層裂縫識別()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
期數:
2020年04期
頁碼:
404-410
欄目:
解釋評價
出版日期:
2020-08-30

文章信息/Info

Title:
Fracture Identification of Chang-6 Tight Sandstone Reservoir in Yanchang Formation of Zhidan Oil Region,Ordos Basin
文章編號:
1004-1338(2020)04-0404-07
作者:
王曉琳 張小莉
(西北大學地質學系/二氧化碳捕集與封存技術國家地方聯合工程研究中心, 陜西 西安 710069)
Author(s):
WANG Xiaolin ZHANG Xiaoli
(Department of Geology, Northwest University/National & Local Joint Engineering Research Center of Carbon Capture and Storage Technology, Xi'an, Shaanxi 710069, China)
關鍵詞:
測井解釋 裂縫識別 致密儲層 長6油層組 志丹油區 鄂爾多斯盆地
Keywords:
log interpretation fracture identification tight reservoir Chang 6 member reservoir Zhidan region Ordos basin
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2020.04.017
文獻標志碼:
A
摘要:
電纜地層測試技術可有效獲取地層壓力、識別油氣層和儲層流體性質、確定儲層物性參數,在油氣田勘探開發中得到了越來越多的應用。研究基于滲流力學理論,采用油藏數值模擬方法,建立模塊式地層動態測試器(MDT)數值模擬仿真模型,分析儲層的流度、侵入深度等敏感參數對MDT泵取流體的影響,明確見油體積(開始見油的泵出體積)與侵入深度的相關性,并確定相關表征模型。研究結果表明,見油體積與侵入深度成線性關系; 當儲層的流度較高時,見油體積為基本為恒定值; 當儲層的流度較低時,見油體積與流度成指數關系,并且實際測量資料與正演結論一致。根據泵出4倍見油體積和含水率的關系可以判定儲層的流體性質,節省了實際操作時間,對MDT現場操作和技術研究有指導性意義,為儲層評價提供了新的思路
Abstract:
Fractures are the main reservoir space and seepage channels in tight reservoirs, which affect the distribution of good reservoirs and the accumulation of oil and gas, and also determine the development mode and well pattern deployment of oil and gas fields. Taking the tight sandstone reservoir of Yanchang formation in Zhidan oil region of Ordos basin as the research object, the fractures in the tight reservoir were studied by outcrop observation, core observation, conventional logging and imaging logging identification, and the response characteristics of fractures in conventional logging and imaging logging are summarized systematically. The results show that the fractures are mainly vertical in the core, and the concentration of fractures in some strata is relatively high. The fracture distribution is mainly in NE-SW direction; The resistivity log has better response to fractures, while the lithologic log has the least obvious response to fractures. The fracture identification parameters constructed by this study can basically reflect the fracture characteristics in sandstone stratum. The fracture distribution is mainly controlled by regional and local geostress, and the position with relatively concentrated stress is favorable for fracture development

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備注/Memo

備注/Memo:
(修改回稿日期: 2020-06-15 本文編輯 葉春麗) 基金項目: 國家油氣重大專項“深層-超深層沉積巖成巖作用與儲層表征”(2017ZX05005-002-004); 國家高技術研究發展計劃(863計劃)項目“頁巖氣勘探開發新技術”(2013AA064501) 第一作者: 王曉琳,女,1998年生,碩士研究生,研究方向為測井資料處理解釋、油氣田開發。E-mail:[email protected]
更新日期/Last Update: 2020-08-25
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