【摘要】：在對武陵山復雜構造帶主要殘留向斜油氣地質(zhì)條件調(diào)查的基礎上,通過油氣成藏主要參數(shù)的對比,提出了注重沉積與構造保存的選區(qū)評價思路,優(yōu)選了安場向斜有利區(qū)并布署實施安頁1井鉆探工程。該井二疊系棲霞組油氣顯示活躍,含氣層厚147 m;在志留系石牛欄組鉆遇多個高壓氣層,首次在南方該層系海相灰?guī)r獲得高產(chǎn)天然氣流,并見到少量稠油;在上奧陶統(tǒng)五峰組—下志留統(tǒng)龍馬溪組鉆獲高含氣黑色頁巖近20 m,達到了頁巖氣商業(yè)勘探的標準,進一步擴大了我國南方頁巖氣商業(yè)勘探范圍;在奧陶系寶塔組鉆遇高壓氣層,首次在南方該層系獲得天然氣發(fā)現(xiàn)。
[Abstract]:Based on the investigation of the oil and gas geological conditions of the main residual synclines in the complex structural belt of Wulingshan, through the comparison of the main parameters of oil and gas reservoir formation, the paper puts forward the idea of district evaluation focusing on sedimentary and structural preservation. The favorable area of Anchang syncline is selected and the drilling project of well Anpage 1 is carried out. Oil and gas of Qixia formation of Permian system are active, the thickness of gas bearing formation is 147 m, and several high-pressure gas formations are drilled in the Silurian Shiniulan formation, and the high-yield natural gas flow is obtained in the marine limestone of the southern part of the formation for the first time, and a small amount of heavy oil is found. In the Wufeng formation of Upper Ordovician and Longmaxi formation of Lower Silurian, high gas-bearing black shale was drilled for nearly 20 m, which reached the standard of commercial exploration of shale gas and further expanded the scope of commercial exploration of shale gas in southern China. In the Ordovician Baota formation, the natural gas was discovered for the first time in the southern part of the formation.
【作者單位】： 中國地質(zhì)調(diào)查局油氣資源調(diào)查中心;中國地質(zhì)調(diào)查局;貴州省國土資源廳;貴州黔能頁巖氣開發(fā)有限責任公司;
【基金】：中國地質(zhì)調(diào)查局地質(zhì)調(diào)查項目“南方頁巖氣基礎地質(zhì)調(diào)查”(編號:12120115004601) 全國油氣資源戰(zhàn)略選區(qū)項目(編號:1211302108020)聯(lián)合資助~~
【分類號】：P618.13

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