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題名 | 打鹿頁岩門檻壓力之研究=A Study on the Threshold Pressure of Talu Shale |
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作者 | 陳大麟; 吳健一; | 書刊名 | 石油季刊 |
卷期 | 34:1 1998.03[民87.03] |
頁次 | 頁11-20 |
分類號 | 457.8 |
關鍵詞 | 地下儲氣工程; 打鹿頁岩; 門檻壓力; 蓋岩; Underground gas storage; Talu shale; Threshold pressure & caprock; |
語文 | 中文(Chinese) |
中文摘要 | 蓋岩之門檻壓力為地下儲氣工程設計時最重要的岩石物性,因其可知蓋岩層是否 足以抵擋儲氣所產生之壓力差,避免所儲氣體有洩漏之虞。打鹿頁岩為臺灣地下儲氣工程目 標 -- 鐵砧山氣田之蓋岩層,本研究之目的即在於量測打鹿頁岩之門檻壓力。 前人對於頁岩門檻壓力之研究極少,本研究分別以氣體排水法及高壓毛細壓力法,量測打鹿 頁岩之門檻壓力。 研究結果顯示,打鹿頁岩在氣層狀態之門檻壓力值在 694 psi 以上,相 當於 600 m 之氣柱高度。 研究結果將提供地下儲氣工程規劃及操作時所需之數據與資料,做為未來決定儲氣量與操作 量之重要參數。 |
英文摘要 | The threshold pressure of caprock is the most important rock property in underground gas storage project. It can be used to decide whether the caprock can withstand the delta pressure during gas storage or not in order to prevent the gas leakage. Therefore, the objective of this study is to measure the threshold pressure for a specific caprock, Talu shale, which is the caprock of the TCS storage formation in Taiwan. To our knowledge, very few researches have studied the threshold pressure for shale. In this work, we proposed two methods to measure the threshold pressure. One is gas displace water and the other is high capillary pressure methods. Based on our measurements, the results show that the threshold pressure of Talu shale is 410 psi, which equivalent to 368 m of gas column. The results of this study will provide the data and information for design and operation in underground gas storage. It will become an important parameter to determinate the storage and operable amount. |
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