准噶尔盆地南部喀拉扎油砂成藏模式浅析

    Kara oil sands accumulation model analysis in southern Junggar basin

    • 摘要: 准噶尔南部有喀拉扎、安集海等油砂矿点和露头,前人没有做系统研究,本次通过地表和钻井情况对喀拉扎地区油砂地质特征进行了详细描述。油砂储层的岩石类型以砂岩、砂砾岩为主,储集层物性特征良好,孔隙度一般在15.74%~22.69%,渗透率高达277.07 mD。通过研究,探讨了油砂成藏模式主要为抬升改造型,喀拉扎油砂厚度和分布面积较大,含油率较高,一般可达4.4%。喀油砂1井的成功钻探,证实了准噶尔盆地南缘天山山前构造带油砂具有较大的资源潜力和勘探价值,有力推动了该区的油砂资源基础地质调查工作,指导该区下一步油砂资源勘查和评价。

       

      Abstract: The predecessors don’t do research Southern junggar,kara,Ann sea etc.Through the surface and the drilling situation,The kara regional geological features of oil sands has carried on the detailed description,the oil sands reservoir rock type to sandstone and glutenite is given priority to;Reservoir physical characteristics,good porosity is in commonly 15.74%~22.69%,permeability is as high as 277.07 mD;Patterns through research,probes into the oil sands are mainly for elevating the transformation type,kara sand thickness and distribution area is larger,the oil content is higher,generally can amount to 4.4%,Because of the oil sands 1 well drilling success,The large resource potential and exploration value have been confirmed of the tianshan piedmont tectonic belt in the south edge of junggar basin,Oil sands has vigorously promote in basic geological work,to guide the oil sands resource exploration and evaluation next step.

       

    /

    返回文章
    返回