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[1]劉坤,張洪盼,孫建孟,等.花古101區塊低滲透率含裂縫砂巖儲層產能疑難分析[J].測井技術,2019,43(02):173-179.[doi:10.16489/j.issn.1004-1338.2019.02.012]
 LIU Kun,ZHANG Hongpan,SUN Jianmeng,et al.Analysis on Productivity of Low Permeability Fractured Sandstone Reservoir in Huagu 101 Block[J].WELL LOGGING TECHNOLOGY,2019,43(02):173-179.[doi:10.16489/j.issn.1004-1338.2019.02.012]
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花古101區塊低滲透率含裂縫砂巖儲層產能疑難分析()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期數:
2019年02期
頁碼:
173-179
欄目:
綜合應用
出版日期:
2019-06-20

文章信息/Info

Title:
Analysis on Productivity of Low Permeability Fractured Sandstone Reservoir in Huagu 101 Block
文章編號:
1004-1338(2019)02-0173-07
作者:
劉坤12 張洪盼2 孫建孟2 李軍1 蘇俊磊1
(1.中國石化石油勘探開發研究院, 北京 100083; 2.中國石油大學(華東)地球科學與技術學院, 山東 青島 266580)
Author(s):
LIU Kun12 ZHANG Hongpan2 SUN Jianmeng2 LI Jun1 SU Junlei1
(1. Institute of Petroleum Exploration & Development, SINOPEC, Beijing 100083, China; 2. School of Geosciences, China University of Petroleum, Qingdao, Shandong 266580, China)
關鍵詞:
電成像測井 產能診斷 裂縫評價 孔隙度譜 非均質性 R/S分析
Keywords:
electrical imaging logging productivity evaluation fracture evaluation porosity spectra heterogeneity R/S analysis
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.02.012
文獻標志碼:
A
摘要:
花古101區塊儲層致密、裂縫發育、非均質性強,導致產能預測存在較大誤差。從平面徑向流模型出發利用摩爾斯分類篩選法對產能敏感因素進行靈敏度分析,再結合各相關參數的變化范圍得到其對產能的影響程度排序:滲透率>厚度≥壓差>表皮系數>原油黏度>體積系數>供液半徑>井眼半徑,滲透率影響程度最大,裂縫是控制產能大小的重要因素。直接利用電成像測井資料與間接利用非均質參數實現對裂縫發育的綜合定量評價。建立了聲波時差和自然伽馬分形維數差值與電成像孔隙度譜二維勞倫茲系數的相關性,結果表明分形維數差值越大,二維勞倫茲系數越小,地層非均質程度越強,裂縫越發育??悸橇遜旒撲愕夭闋萇嘎識圓芙性げ?計算結果與試油產能對應較好,實現了對花古儲層產能疑難診斷分析。
Abstract:
Reservoirs in Block Huagu 101 are tight, fractured and strongly heterogeneous, so that it is hard to get accurate productivity prediction In this paper, the Morse method is used to analyze the sensitivity of productivity sensitive factors based on a plane radial flow model, and then according to the variation range of each relevant parameter, the sensitive factors are ordered by their influence on productivity, i.e. permeability > thickness ≥ pressure difference > skin factor > oil viscosity > volume coefficient > drainage radius > wellbore radius. Permeability has the greatest impact on productivity, and fracture is an important factor on controlling production. Comprehensive and quantitative evaluation of fracture development is carried out by direct electrical imaging data and indirect heterogeneous parameters. The correlation is established between the fractal dimension difference(between acoustic slowness and natural gamma)and the two-dimensional Lorenz coefficient of electrical imaging porosity spectra. The results show that the greater the fractal dimension difference and the smaller the two-dimensional Laurentz coefficient, the stronger the heterogeneity of formation and the more developed fractures. The productivity predicted by the total permeability by considering fractures is in good agreement with the productivity by production test, indicating the method proposed is effective to evaluate the productivity of Huagu reservoirs.

參考文獻/References:

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備注/Memo

備注/Memo:
(收稿日期: 2018-12-06 本文編輯 余迎)基金項目: 國家重大專項“三維井筒數據處理與模擬技術研究”(2016ZX05006002-004) 第一作者: 劉坤,男,1989年生,助理研究員,從事測井數據解釋工作。E-mail:[email protected]
更新日期/Last Update: 2019-06-20