[1]劉歡,申輝林,秦敏,等.鉆井液侵入條件下水淹層測井精細評價方法[J].測井技術,2019,43(03):310-315.[doi:10.16489/j.issn.1004-1338.2019.03.017]
 LIU Huan,SHEN Huilin,QIN Min,et al.Refined Log Evaluation on Water-flooded Reservoir Invaded by Drilling Fluid[J].WELL LOGGING TECHNOLOGY,2019,43(03):310-315.[doi:10.16489/j.issn.1004-1338.2019.03.017]
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鉆井液侵入條件下水淹層測井精細評價方法()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期數:
2019年03期
頁碼:
310-315
欄目:
解釋評價
出版日期:
2019-06-30

文章信息/Info

Title:
Refined Log Evaluation on Water-flooded Reservoir Invaded by Drilling Fluid
文章編號:
1004-1338(2019)03-0310-06
作者:
劉歡1 申輝林1 秦敏1 孫殿強2 黃信雄1 章利民1
(1.中國石油大學華東地球科學與技術學院, 山東 青島 266580; 2.中海石油(中國)有限公司湛江分公司, 廣東 湛江 524057)
Author(s):
LIU Huan1 SHEN Huilin1 QIN Min1 SUN Dianqiang2 HUANG Xinxiong1 ZHANG Limin1
(1. School of Geosciences, China University of Petroleum(East China), Qingdao, Shandong 266580, China; 2. Zhanjiang Branch of China National Offshore Oil Corporation, Zhanjiang, Guangdong 524057, China)
關鍵詞:
測井評價 水淹層 物質平衡法 鉆井液侵入 兩相滲流
Keywords:
log evaluation water-flooded reservoir material balance method drilling fluid invasion two-phase seepage
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.03.017
文獻標志碼:
A
摘要:
油層在不同的水淹狀況下會出現“L”型、“U”型、“S”型等復雜的巖電關系,水淹層測井精細評價的技術難點在于測井資料多解性和復雜性,導致沒有統一的解釋模型和解釋標準。提出了能夠更加真實地模擬油藏水驅油動態實時驅替過程的動態變倍數物質平衡法,利用該理論解釋模型在準確計算地層混合液電阻率、含水飽和度、產水率等水淹層關鍵參數的基礎上,結合兩相滲流理論模型,分別計算儲層在鉆井液侵入校正前后的含水飽和度。結合動態變倍數物質平衡法和兩相滲流理論的測井定量解釋模型適合于不同水淹類型的測井精細評價,為建立統一的水淹層測井解釋模型和解釋標準奠定了理論基礎。經研究區塊60余口井實際測井資料的處理,水淹層測井精細解釋符合率達86%以上,具有很好的推廣應用前景。
Abstract:
Water-flooded oil reservoirs may show complex rock-electricity relations such as ‘L' type, ‘U' type and ‘S' type. It is difficult to finely evaluate water-flooded reservoirs using log data because of multiple solutions and complexity of log interpretation, so that no unified interpretation model and interpretation criteria have been established. In this paper, a variable PV material balance theory is proposed to simulate water-flooding process. Using the theory to build an interpretation model, the parameters related to a waterflooded layer are accurately calculated, such as resistivity, water saturation and water production, and then combining with a theoretical two-phase seepage model, water saturations before and after drilling mud invasion are calculated. The quantitative log interpretation model based on variable PV material balance theory and two-phase seepage theory is suitable for any water-flooded reservoir. It lays a theoretical foundation for establishing a unified log interpretation model and interpretation criteria. Applied in more than 60 wells in the studied block, the model provided interpretation results coinciding with actual results by over 86%. It is has a good prospect of popularization and application.

參考文獻/References:

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備注/Memo

備注/Memo:
基金項目: 中海石油(中國)有限公司項目(YXKY-2014-ZJ-01) 第一作者: 劉歡,男,1992年生,碩士,從事測井資料綜合評價工作。E-mail:[email protected]
更新日期/Last Update: 2019-08-30
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