[1]黃建波,張奎,謝斌,等.準噶爾盆地瑪湖凹陷百口泉組低滲透率透礫巖儲層分類[J].測井技術,2020,(03):305-310.[doi:10.16489/j.issn.1004-1338.2020.03.017]
 HUANG Jianbo,ZHANG Kui,XIE Bin,et al.Classification and Log Evaluation to Low Permeability Conglomerate Reservoir of Baikouquan Formation in Mahu Depression Junggar Basin[J].WELL LOGGING TECHNOLOGY,2020,(03):305-310.[doi:10.16489/j.issn.1004-1338.2020.03.017]
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準噶爾盆地瑪湖凹陷百口泉組低滲透率透礫巖儲層分類()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
期數:
2020年03期
頁碼:
305-310
欄目:
解釋評價
出版日期:
2020-05-15

文章信息/Info

Title:
Classification and Log Evaluation to Low Permeability Conglomerate Reservoir of Baikouquan Formation in Mahu Depression Junggar Basin
文章編號:
1004-1338(2020)03-0305-07
作者:
黃建波1 張奎21 謝斌1 黃曉東1 王金龍1 孫海波3 黃波1
(1.中國石油新疆油田公司工程技術研究院, 新疆 克拉瑪依 834000; 2.中國石油集團工程技術 研究院有限公司, 北京 102206; 3.中國石油新疆油田準東采油廠, 新疆 阜康 831511)
Author(s):
HUANG Jianbo1 ZHANG Kui21 XIE Bin1 HUANG Xiaodong1 WANG Jinlong1 SUN Haibo3 HUANG Bo1
(1. Engineering Technology Research Institute, Xinjiang Oilfield Company, PetroChina, Karamay 834000, China; 2. China National Petroleum Company Engineering Technology Research Institute CO. LTD., Beijing 102206, China; 3. Zhundong Oil Production Plant,
關鍵詞:
測井評價 礫巖儲層 儲層分類 孔隙結構 低滲透儲層 瑪湖凹陷 準噶爾盆地
Keywords:
log evaluation conglomerate reservoir reservoir classification pore structure low permeability conglomerate reservoir Mahu depression Junggar basin
分類號:
P631.84
DOI:
10.16489/j.issn.1004-1338.2020.03.017
文獻標志碼:
A
摘要:
以準噶爾盆地瑪湖凹陷百口泉組低滲透礫巖儲層為研究對象,采用物性分析、鑄體薄片、恒速壓汞、核磁共振等巖心平行實驗,開展儲層特征及主控因素分析,提出儲層分類評價指標與測井表征方法。儲層優勢巖性主要為細礫、粗砂、小中礫巖; 孔隙類型主要包括剩余粒間孔、粒內溶孔、晶間溶孔、微裂縫等; 巖石粒度、泥質雜基含量、孔隙類型、孔隙結構是影響儲層的主控因素。巖石粒度相對較低的細礫巖、粗砂巖,泥質雜基含量越低,剩余粒間孔越發育,儲層的物性越好; 原生剩余粒間孔隙越發育,有利于次生溶蝕孔隙的發育。次生溶蝕孔隙中粒內溶孔呈零星或孤立分布,微晶間溶孔喉道較小,對儲層孔隙性的改善明顯,但對滲透性的改善有限; 礫巖儲層滲透率的大小主要受控于喉道半徑大小,即喉道半徑越大,滲透率越高。建立了包括巖石粒度、泥質雜基、孔隙度、滲透率、孔喉因子等在內的礫巖儲層的評價指標,最終形成了儲層分類評價標準。
Abstract:
Taking the low permeability conglomerate reservoir of Baikouquan formation in Mahu depression Junggar Basin as a research target, analyzed are the characteristics of reservoir and main controlling factors with the help of parallel experiments including physical analysis results, cast thin section, constant pressure mercury, and NMR. Then, indexes of classification evaluation and logging characterization methods are proposed. Results show that the dominant lithologies of reservoir are coarse sand, fine conglomerate, small-medium conglomerate. The pore types include residual intergranular pores, intergranular dissolved pores, intragranular solution pores, and micro-fracture. The reservoirs are mainly controlled by factors of rock size, argillaceous matrix, pore types and pore structures. The coarse sand and fine conglomerate with relative small particle size have relatively well physical properties. When the content of argillaceous matrix is small and the residual intergranular pores are well developed, the reservoir show good physical properties. The well development of primary residual intergranular pore is beneficial to the development of secondary dissolution pore. With sporadic and isolated distribution of grain dissolution pore and small throat of crystallites dissolved pore, the secondary dissolution pore improve the porosity of reservoir obviously, but permeability limitedly. Overall, the permeability of conglomerate reservoir is controlled by throat radius, the larger the throat radius, the higher the permeability. The rock size, argillaceous matrix, porosity, permeability, and pore throat factor are selected as evaluation index of conglomerate reservoir, and corresponding evaluation methods of well logging are established. Ultimately, the classification and evaluation standards of reservoir are formed.

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備注/Memo

備注/Memo:
(收稿日期: 2020-04-11 本文編輯 張一艷)基金項目: 國家“973”計劃“陸相致密油高效開發基礎研究”(2015CB250906); 國家科技重大專項“致密油富集規律與勘探開發關鍵技術”(2016ZX05046-004) 第一作者: 黃建波,男,1983年生,工程師,從事采油工程方面工作。E-mail:[email protected] 通訊作者: 張奎,男,1985年生,碩士,工程師,從事非常規油藏儲層改造工程技術研究相關工作。E-mail:[email protected]
更新日期/Last Update: 2020-05-15
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