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| 題 名 | 白沙屯及其附近地區打鹿頁岩之地層對比=Stratigraphic Correlation of Talu Shale in the Paishatun and Its Vicinity Area |
|---|---|
| 作 者 | 周學良; | 書刊名 | 臺灣石油地質 |
| 卷 期 | 32 1998.12[民87.12] |
| 頁 次 | 頁165-185 |
| 分類號 | 457.2 |
| 關鍵詞 | 白沙屯; 臺灣; 打鹿頁岩; 地層; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 本研究利用竹南、白沙屯、豐富及三湖等地區之十一口井打鹿頁岩(儲集層為打鹿砂岩)之自然電位差電測圖,經電腦程式計算出各岩層的真厚及頁岩含量,做為發展精密地層對比新技術的工具,並建立儲集岩立雄地質模型。 此地質模型分為土、中、下三大層,並再細分成230個溥層,而整個打鹿頁岩的真厚在3I5至460公尺間,故深度方向之解析度達2公尺以內。 為了展示此模型,作者切了三個連井線的剖面,在利用此主弦模型之精密對比下,找出若干作者認為宜修改的地層對比深度。 另外白沙七四號井鈷深 3470 公尺處之斷層應上移11 公尺,因其上盤緊鄰斷層之七公尺砂層為 TT-1A3 層,其理由詳見文內 " 地層對比之修改 " 一節,此處不再贅述。 豐富二號井與白沙屯地區之地層對比仍有問題存在,可能是該井在打鹿頁岩中曾鉆遇斷層,但未被辨認出來,此有待進一步探討。 |
| 英文摘要 | Using the self-potential curves of the Talu Shale mesured in elevent wells at Chunan; Paishatun; Fengfu; and Sanhu areas in Miaoli, the author calculated the true thickness and shale contains of these beds and used it for establishing a new precision stratigraphic correlation technique. Besides, a 3D reservoir geological model is built. The model is divided into three mega-sequences and then divided into 230 thin layers. The true thickness of the whole Talu Shale, which contains Talu Sandstone, is between 315 and 460 meters. Hence, the resolution in the depth direction is whithin 2 meters. To display the model, the author have built three interwell sections. Using the new technique mentioned above, the author have corrected several stratigraphic correlation in these 11 wells. Besides, the fault at drilled depth 3470m of well PST-4 (Paishatun) should be moved upward 11 meters. The upper part of the well FF-2 (Fengfu) is well correlated to those of the Paishatun area, but not the lower part. The reason could be that there was a fault at the lower part, but not be recognized. |
本系統中英文摘要資訊取自各篇刊載內容。