匹配追蹤時(shí)頻分析技術(shù)在塔河油田縫洞型儲(chǔ)層預(yù)測(cè)中的應(yīng)用
發(fā)布時(shí)間：2018-11-04 15:43
【摘要】：為了更準(zhǔn)確地刻畫(huà)碳酸鹽巖儲(chǔ)層中由縫洞引起的地震信號(hào)的時(shí)頻信息,實(shí)現(xiàn)高效率的時(shí)頻譜分解,引入了一種基于復(fù)數(shù)道地震記錄的匹配追蹤算法,闡述了該算法的基本原理及實(shí)現(xiàn)過(guò)程�；诤铣捎涗涍M(jìn)行了不同時(shí)頻算法的差異性分析,結(jié)果表明匹配追蹤算法具有較高的時(shí)間和頻率分辨率。通過(guò)該方法開(kāi)展了塔河油田桑塔木三維工區(qū)奧陶系碳酸鹽巖儲(chǔ)層預(yù)測(cè)工作,并將預(yù)測(cè)結(jié)果與鉆井?dāng)?shù)據(jù)進(jìn)行了對(duì)比分析,實(shí)鉆溶洞吻合率為89.7%,證實(shí)這種技術(shù)預(yù)測(cè)效果較好,可以在相似儲(chǔ)層類型區(qū)推廣應(yīng)用。
[Abstract]:In order to describe more accurately the time-frequency information of seismic signals caused by fractures and cavities in carbonate reservoirs and to achieve high efficiency time-spectrum decomposition, a matching and tracing algorithm based on complex trace seismic records is introduced. The basic principle and implementation process of the algorithm are described. The difference analysis of different frequency algorithms based on synthetic records shows that the matching tracking algorithm has higher time and frequency resolution. Through this method, the prediction of Ordovician carbonate reservoir in Santamu area of Tahe Oilfield is carried out, and the prediction results are compared with drilling data. It is proved that this technique has good prediction effect and can be popularized and applied in similar reservoir type areas.
【作者單位】： 中國(guó)石化西北油田分公司勘探開(kāi)發(fā)研究院;
【基金】：國(guó)家科技重大專項(xiàng)示范工程(2011ZX05049)
【分類號(hào)】：P618.13;P631.4
本文編號(hào)：2310306
[Abstract]:In order to describe more accurately the time-frequency information of seismic signals caused by fractures and cavities in carbonate reservoirs and to achieve high efficiency time-spectrum decomposition, a matching and tracing algorithm based on complex trace seismic records is introduced. The basic principle and implementation process of the algorithm are described. The difference analysis of different frequency algorithms based on synthetic records shows that the matching tracking algorithm has higher time and frequency resolution. Through this method, the prediction of Ordovician carbonate reservoir in Santamu area of Tahe Oilfield is carried out, and the prediction results are compared with drilling data. It is proved that this technique has good prediction effect and can be popularized and applied in similar reservoir type areas.
【作者單位】： 中國(guó)石化西北油田分公司勘探開(kāi)發(fā)研究院;
【基金】：國(guó)家科技重大專項(xiàng)示范工程(2011ZX05049)
【分類號(hào)】：P618.13;P631.4
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，本文編號(hào)：2310306
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