松遼盆地白堊系大陸科學鉆探松科2井鉆遇地層界面及巖性剖面預測
發(fā)布時間:2018-01-28 07:13
本文關鍵詞: 松遼盆地 松科井 國際大陸科學鉆探 巖性預測 模擬柱狀圖 出處:《地學前緣》2017年01期 論文類型:期刊論文
【摘要】:在松遼盆地白堊紀大陸科學鉆探松科2井實施前,以鉆井地質設計為基礎,結合區(qū)域地層特征、地球物理資料和鄰井鉆探結果,參照油氣勘探生產(chǎn)標準和經(jīng)驗,對松科2井鉆遇主要界面深度進行預測,建立基本框架,同時預測全井段巖性序列、可能的油氣水情況和故障層段,最終建立松科2井綜合模擬柱狀圖。各主要地層界面預測深度為:嫩江組二段頂面(T_06)950m,姚家組頂面(T_1)1 245m,泉頭組頂面(T_2)1 680m,登婁庫組頂面(T_3)2 530m,營城組頂面(T_4)2 965m,沙河子組頂面(T_4-1)3 320m,火石嶺組頂面(T_4-2)5 670m,基底頂面(T_5)6 240 m。巖性剖面的預測主要分為兩部分:(1)T_4-1之上參考鄰井宋深3井鉆遇巖性序列;(2)T_4-1之下則根據(jù)地震剖面、其他鉆遇相當層位的鄰井和區(qū)域地層特征綜合預測。主要目的層巖性特征如下:營城組上部為粗砂巖、礫巖、砂礫巖,下部為厚層凝灰?guī)r、安山玄武巖、流紋巖夾泥巖,底部為礫巖;沙河子組為泥巖夾煤線、細砂巖、粉砂巖和泥質粉砂巖;火石嶺組上部為凝灰?guī)r、泥巖、英安巖和安山巖,下部為泥巖夾細-粉砂巖,含煤;基底為極低級或高級成巖的石炭—二疊系沉積地層。松科2井模擬柱狀圖是鉆探工程施工的主要依據(jù),同時也為其他科學鉆探工程模擬柱狀圖的編制提供借鑒。
[Abstract]:Before the Cretaceous continental scientific drilling of Songke 2 well in Songliao Basin, based on drilling geological design, combined with regional stratigraphic characteristics, geophysical data and drilling results of adjacent wells, oil and gas exploration production standards and experiences were consulted. The main interface depth of Songke 2 well is predicted, the basic frame is established, the lithology sequence, the possible oil, gas and water situation and the fault zone of the whole well are predicted at the same time. Finally, the synthetic simulation histogram of Songke 2 well is established. The prediction depth of the main formation interface is as follows: the top surface of the second member of Nenjiang formation is T06D 950m, and the top surface of Yao formation is 1 245m. The top surface of Quantou group was 1 680 m, the top surface of Denglouku group was 3 530 m, and the top surface of Yingcheng group was T 4 or 2 965 m. The top surface of Shahezi formation is 3 320m, and the top surface of Huoshiling formation is 5 670m. The prediction of lithologic profile is mainly divided into two parts: 1 / 1 and T4-1 with reference to the lithologic sequence of the adjacent well Songshen 3; The lithologic characteristics of the main target strata are as follows: the upper part of Yingcheng formation is composed of coarse sandstone, conglomerate and sandy gravel. The lower part is thick tuff, Anshan basalt, rhyolite intercalated mudstone, and the bottom is conglomerate. The Shahezi formation is composed of mudstone, fine sandstone, siltstone and argillaceous siltstone. The upper part of Huosiling formation is tuff, mudstone, dolomite and andesite, and the lower part is mudstone with fine siltstone and coal. The basement is a very low or high grade diagenetic Carboniferous and Permian sedimentary strata. The simulated histogram of Songke 2 well is the main basis of drilling construction, and it also provides reference for the compilation of simulation histogram of other scientific drilling projects.
【作者單位】: 吉林大學東北亞生物演化與環(huán)境教育部重點實驗室;吉林大學古生物學與地層學研究中心;重慶科技學院石油與天然氣工程學院;中國石油大慶鉆探工程公司地質錄井一公司;吉林大學地球科學學院;
【基金】:國家重點基礎研究發(fā)展計劃“973”項目(2012CB822002) 中國地質調查局油氣基礎性公益性地質調查項目(DD20160207-06) 重慶科技學院校內(nèi)科研基金項目(CK2016B15)
【分類號】:P634;P534.53
【正文快照】: 高有峰1,2,瞿雪姣3,*,蔣麗君4,王樹學4,王璞s,
本文編號:1470138
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