| 研究生: |
丁鵬超 Ting Peng-Chao |
|---|---|
| 論文名稱: |
地熱井鑽探相關問題之探討~以知本為例 Cases Study on Problems Related to Geothermal Well Drilling ~ Taking Zhiben as an Example |
| 指導教授: |
倪勝火
Ni Sheng-Huoo |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系碩士在職專班 Department of Civil Engineering (on the job class) |
| 論文出版年: | 2022 |
| 畢業學年度: | 110 |
| 語文別: | 中文 |
| 論文頁數: | 73 |
| 中文關鍵詞: | 地熱發電 、鑽孔 、泥漿循環過程 、氣動錘 |
| 外文關鍵詞: | geothermal power, drilling, mud circulation process, pneumatic hammer |
| 相關次數: | 點閱:88 下載:4 |
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因為近來來台灣的陸客大幅減少以及俄烏戰爭再加上新冠疫情的影響之下,導致全台的溫泉勝地如知本等地區之生意大幅滑落。鑒於全世界因能源短缺,倡導再生能源潮流趨勢再起,而台灣政府更是大力發展再生能源,其中也包含地熱發電,但地熱發電不同於太陽能發電,除了有24小時的運轉優勢之外,更能產生其他觀光財,為有後花園之稱的台東地方創造財富!但是其投入的初期成本卻是很大。
本研究主要藉由大知本地區實際已鑽探的溫泉井資料,來探討以提升地熱井鑽探時選址區域的時效性(可運用多種地球物理方式評估) ,以節省選址成本,檢視鑽井過程的施工方法之安全性,比較鑽井泥漿循環過程與氣動錘鑽井的施工程序、工程時間進度的差別,提出監督計畫安全維護的建議,並估算鑽井每米的大概花費成本,文中並探討施工機具(鑽堡機等)的演進,以及鑽井技術改良,引進全套管保護管壁加上高壓空氣氣動錘,使得小型6英吋以下溫泉井打鑽井效率及滿意度的大幅突破提升和使得鑽探時間大幅縮減。最後並參考現有地熱資料,對目前大知本地區進行地熱開發發電時,開發困難點提出研究結論與建議。
關鍵字:地熱發電、鑽孔、泥漿循環過程、氣動錘。
Due to the recent sharp decline in mainland tourists in Taiwan, the Russian-Ukrainian war and the impact of the new crown epidemic, business in Taiwan's hot spring resorts such as Zhiben has fallen sharply. In view of the shortage of energy in the world, the trend of renewable energy is advocated again, and the Taiwan government is vigorously developing renewable energy, including geothermal power generation, but geothermal power generation is different from solar power generation. Geothemal development also generates other tourism wealth and create wealth for Taitung, known as the back garden of Taiwan. However, the initial cost of its investment is very large.
This study mainly uses the data of the hot spring wells that have been drilled in the Zhiben area to discuss how to improve the timeline on site selection of the geothermal well area (which can be evaluated by various geophysical methods), so as to save the cost of site selection and examination the drilling process. The safety of the drilling methods are compared, the difference between the drilling mud circulation process and of the pneumatic hammer drilling are compared, and the suggestions for the supervision and planning of safety maintenance are put forward, and the approximate cost per meter of drilling is estimated. The study also discusses the evolution of construction equipment. The evolution of (drilling rigs, etc.), as well as the improvement of drilling technology. The introduction of full casing to protect the pipe wall and high-pressure air pneumatic hammers have greatly improved the drilling efficiency of small hot spring wells with diameter less than below 6 inches and greatly increased the drilling efficiency. Finally, referring to the existing geothermal data, conclusions and suggestions are put forward for the development difficulties in the current geothermal development and power generation in Zhiben area.
Key words: geothermal power, drilling, mud circulation process, pneumatic hammer.
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