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題名 | 出磺坑淺層油氣再開發評估=Evaluation of Redevelopment for the Shallow Formation in the ChuhuangKeng Oil Field |
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作者 | 吳偉智; 范振暉; 陳大麟; 吳健一; 王勝雄; 葉榮富; 吳柏裕; 彭日昇; | 書刊名 | 探採研究彙報 |
卷期 | 21 1998.11[民87.11] |
頁次 | 頁461-476 |
分類號 | 457.2 |
關鍵詞 | 蘊藏量評估; 自然裂縫; 強化採油; 示蹤劑試驗; Reserve evaluation; Nature fracture; EOR; Tracer tes; |
語文 | 中文(Chinese) |
中文摘要 | 出磺坑油氣田是臺灣最早開發之礦區,其淺層油田大部分已停產,近幾年來由於 礦區內 91 號井曾數次於大雨過後有少量源油流出,因此,臺探總處與本所組成研究小組, 對於出磺坑油氣田之淺層再開發作可行性評估。本研究首先重新評估出磺坑油氣田淺層之原 始蘊藏量,同時收集此油氣田之生產史以及水沖排結果。根據評估之蘊藏量與油藏特性,本 研究針對強化生產方案做一初步篩選,並對較可行方案進行簡單之經濟評估。從結果研判, 此油氣田為一自然裂縫發達且基岩滲透率低之水驅型油田,會造成高度溝穿現象使此油田並 非一好的強化採油候選目標,且強化採油之經濟分析顯示並無利潤可言,建議分析天水流向 配合示蹤劑試驗來準確的預估殘餘油飽和度,以為將來進一步探討之基礎。 |
英文摘要 | The Taiwan Petroleum Exploration Division (TPED) was looking for redevelopment for the shallow formation in the ChuhuangKeng oil field. This field is the oldest oil reservoir in Taiwan. Most of production wells in the field were abandoned so far. During last several years, the well No. 91 sometimes produced small amount of oil and gas after heavy rainfall. Therefore, TPED and EDRI came out a project to evaluate the possibility of redevelopment for the oil field by applying some new technologies. In this research, a revaluation of original oil in place was first performed. At the same time, the production histories and results of waterflood in the shallow formations were collected and analyzed. Based on the reservoir characteristics and the reserve, several enhanced oil recovery (EOR) procedures have been studied for the suitability of this reservoir. Also, a simple economic analysis was performed. Based on our results, it is indicated that this reservoir is a water drive type oil reservoir, which has tight formation with well-developed nature fractures. Also, the field is not a good candidate for EOR procedures since the channeling caused by the nature fractures. It is suggested that using the tracer test with the analysis of the flowing direction for rainfall to evaluate the residual oil saturation. The precise residual oil saturation distribution will show how much the potential is for the redevelopment of ChuhuangKeng oil field. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。