辽宁35期35选七走势图:
[1]田瀚,馮慶付,李昌,等.碳酸鹽巖縫洞型儲層有效性評價新方法[J].測井技術,2019,43(02):135-139.[doi:10.16489/j.issn.1004-1338.2019.02.005]
 TIAN Han,FENG Qingfu,LI Chang,et al.A New Method for Evaluating the Effectiveness of Fractured-vuggy Carbonate Reservoirs[J].WELL LOGGING TECHNOLOGY,2019,43(02):135-139.[doi:10.16489/j.issn.1004-1338.2019.02.005]
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碳酸鹽巖縫洞型儲層有效性評價新方法()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期數:
2019年02期
頁碼:
135-139
欄目:
處理解釋
出版日期:
2019-06-20

文章信息/Info

Title:
A New Method for Evaluating the Effectiveness of Fractured-vuggy Carbonate Reservoirs
文章編號:
1004-1338(2019)02-0135-05
作者:
田瀚12 馮慶付2 李昌1 田明智1 李文正12 張豪12 谷明峰12
(1.中國石油杭州地質研究院, 杭州 浙江 310023; 2.中國石油勘探開發研究院四川盆地研究中心, 成都 四川 610041)
Author(s):
TIAN Han12 FENG Qingfu1 LI Chang1 TIAN Mingzhi1 LI Wenzheng12 ZHANG Hao12 GU Mingfeng12
(1. Hangzhou Research Institute of Geology, PetroChina, Hangzhou, Zhejiang 310023, China; 2. Research Institute of Sichuan Basin, PetroChina Research Institute of Petroleum Exploration & Development, Chengdu, Sichuan 610041, China)
關鍵詞:
測井解釋 碳酸鹽巖 縫洞型儲層 膠結指數 有效性評價
Keywords:
log interpretation carbonate rock fractured-vuggy reservoir cementation factor evaluation of reservoir effectiveness
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.02.005
文獻標志碼:
A
摘要:
碳酸鹽巖儲層孔隙類型多樣,孔隙結構復雜,單一的孔隙度難以描述儲層的有效性。以四川盆地高石梯磨溪地區龍王廟組縫洞型儲層為例,優選出膠結指數m和基質孔隙度占比2個參數建立了儲層有效性評價方法,膠結指數m采用新提出的基于裂縫形態的多孔介質模型計算得到,該模型可以計算出隨深度變化的膠結指數m值,且精度高。研究發現,產層膠結指數m通常小于2.25,基質孔隙度占比大于44%; 差產層膠結指數m通常小于2.25,基質孔隙度占比小于44%,或者,膠結指數m大于2.25,基質孔隙度占比大于44%; 干層膠結指數m通常大于2.25且基質孔隙度占比小于44%。應用結果表明,該方法顯著提高了研究區儲層有效性評價精度。
Abstract:
Due to various pore types and complex pore structures, it is difficult to describe the effectiveness of carbonate reservoirs with a single porosity. Taking the fractured-vuggy reservoir of Longwangmiao Formation in Gaoshiti-Moxi area of Sichuan Basin as an example, two parameters, cementation index m and the ratio of matrix porosity, were selected to establish an evaluation method for evaluating reservoir effectiveness. Cementation index m was calculated by a new porous medium model based on fracture morphology. Using the model, the cementation index is very precise and can vary with depth. It is found that for high-quality reservoirs, the cementation index m is usually less than 2.25 and the ratio of matrix porosity is more than 44%; for poor reservoirs, the cementation index m is usually less than 2.25 and the matrix porosity ratio is less than 44%, or the cementation index m is more than 2.25 and the matrix porosity ratio is more than 44%; for dry layers, the cementation index m is usually more than 2.25 and the matrix porosity ratio is less than 44%. The application results show that the method can significantly improve the accuracy of reservoir evaluation in the study area.

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備注/Memo

備注/Memo:
(收稿日期: 2018-10-09 本文編輯 肖圣)基金項目: 國家科技重大專項“大型油氣田及煤層氣開發”(2017ZX05008-005); 中國石油科技部重點項目“深層-超深層油氣富集規律與區帶目標評價”(2018A-0105) 第一作者: 田瀚,男,1989年生,工程師,從事碳酸鹽巖測井地質學研究。E-mail:[email protected]
更新日期/Last Update: 2019-06-20