[1]陳明江,任興國.含瀝青儲層的測井識別及評價[J].測井技術,2012,36(03):272-276.
 CHEN Mingjiang,REN Xingguo.Log Identification and Evaluation for Bitumenbearing Reservoir[J].WELL LOGGING TECHNOLOGY,2012,36(03):272-276.
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含瀝青儲層的測井識別及評價()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第36卷
期數:
2012年03期
頁碼:
272-276
欄目:
處理解釋
出版日期:
2012-06-29

文章信息/Info

Title:
Log Identification and Evaluation for Bitumenbearing Reservoir
作者:
陳明江12任興國2
1.西南石油大學研究生院, 四川 成都 610500; 2.中國石油川慶鉆探工程公司地質勘探開發研究院, 四川成都 610051
Author(s):
CHEN Mingjiang12REN Xingguo2
1.Graduate School of Southwest Petroleum University, Chengdu, Sichuan 610500, China; 2.Geological Exploration & Development Research Institute, Chuanqing Drilling Engineering CO. LTD., Chengdu, Sichuan 610051, China
關鍵詞:
測井解釋 瀝青 儲層物性 交會圖 產能 有效孔隙度
Keywords:
log interpretation bitumen reservoir physical property crossplot productivity effective porosity
分類號:
P631.84
文獻標志碼:
A
摘要:
以塔里木盆地某區塊泥盆系K組含瀝青儲層為例探討含瀝青儲層的測井評價方法。分析瀝青對儲層物性及產能的影響,通過2口井測井曲線的對比分析,指出含瀝青儲層的測井響應特征,并建立含瀝青儲層的測井識別圖版,將含瀝青儲層與泥質區分開。在定性識別的基礎上,利用自然伽馬與中子-密度交會法計算儲層泥質含量的差值作為儲層瀝青相對含量,建立有效孔隙度校正模型,提高有效孔隙度計算精度,為準確評價儲層提供依據。通過分析儲層瀝青相對含量及孔隙度在平面上的變化趨勢,指出區塊內油藏東部受破壞程度比西部強。
Abstract:
The deposition of bitumen in reservoir has serious bad effect on physical properties and productivity of reservoir, which may leads to wrong log interpretation results. This paper takes the bitumenbearing reservoir in Devonian K group in a zone in Talimu basin as an example to discuss how to evaluate bitumenbearing reservoir. First of all, the effect of bitumen on the physical properties and productivity of reservoir is analyzed and then the log responses of bitumenbearing reservoir are identified by comparing logs from two different wells. A crossplot for identifying bitumenbearing reservoir is created to distinguish between bitumen and shale. The relative abundance of bitumen in reservoir is derived from the difference between shale content which is calculated with gamma log and from neutrondensity crossplot. A formula for porosity correction is created, which helps to improve the accuracy of porosity and provide foundation for accurate reservoir evaluation. At last, the horizontal variation trend of relative abundance of bitumen in reservoir is studied, which shows that the oil pool is damaged more seriously in the east part of the area than in the west.

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備注/Memo

備注/Memo:
作者簡介: 陳明江,男,1983年生,博士,從事測井解釋方法研究。
更新日期/Last Update: 2012-06-20
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