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題 名 | 鐵砧山氣田氣水界面鑑定在堵水增產及儲氣窖之應用=The Application of Gas Water Contact Verification for Improving Gas Recovery and Underground Gas Storage |
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作 者 | 曾繼忠; 吳偉智; 吳健一; 王勝雄; | 書刊名 | 鑛冶 |
卷 期 | 48:1=185 2004.03[民93.03] |
頁 次 | 頁54-66 |
分類號 | 457.8 |
關鍵詞 | 氣水界面; 水錐; Gas-water contact; GWC; Water coning; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要目的乃針對鐵砧山氣田注/產氣區域主斷層東西兩翼探討目前氣水界面之位置,以利停產氣井堵水增產井之篩選與研判穿孔區間之堵水區段,並提供鐵砧山儲氣窖營運管理之參考。本研究經由伴產水鹽分分析及模擬結果綜合研判,鐵砧山氣田目前(2003/10)氣水界面主斷層西翼合理的位置約在-2670m、東翼約在-2850m~2690m。此外就已停產的氣井而言,鐵砧山注/產氣區域較佳之堵水增產井為TCS-35及TCS-2。其中TCS-35號井現場單位於2003/9/26已利用PosiSet回堵部分穿孔區間,目前生產狀況佳且已無地層水產出,保守估計尚可生產2年以上,約可增產2千9百萬立方公尺(NT$1億4仟萬元)天然氣。 |
英文摘要 | The TCS Field is a water drive gas reservoir. Recently, larger rate was to meet the market demanding. To confirm the level of gas-water contact(GWC), a salinity analysis for several wells was performed. Also simulation results were applied for the determination of GWC. Our results show that GWC is around -2670m in the west side and -2685m~2690m in the east. Also, the result can be used to verify candidate wells for improving gas recovery. From our screening, wells of TCS-35 and TCS-2 were the most suitable for making treatment. A PosiSet treatment to seal the partial penetration sections have been performed in well TCS-35 at September 26, 2003. After the treatment, the well keeps in good condition and no water is produced. Base on a concretive estimation, the production life can be increased two years and more than 29 MMm3/d of gas will be produced. It is equivalent to a 140 million NTD of income. |
本系統中英文摘要資訊取自各篇刊載內容。