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首页> 外文期刊>Journal of Marine Science: Research & Development >Analysis of Fractured Reservoir Structure by Interpretation of FMI and VSP Logs
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Analysis of Fractured Reservoir Structure by Interpretation of FMI and VSP Logs

机译：用FMI和VSP测井资料解释裂缝性储层结构

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Imaging technology into the well is the tools for logging system, interpretation of data obtained from the well and to create the image with high resolution from the wells. This technology creates an accurate image (screenshot tools and the vertical seismic) on structural characteristics, layering, fractures, faults, texture and secondary porosity play an important desirable role in describing the reservoir. In the carbonate reservoirsthat most of Iran reservoirs are included in this type fractures are the most important factor in the production of these reservoirs. In the fractured carbonated reservoirs faults and folds makes unwanted changes in the structure of these reservoir. Structural complexities occur at different scales. For example, major faults and the original boundaries between formations are visible on the surface seismic data. But small-scale changes and faults in seismic data cannot be determined and it is essential to use small-scale of data and information sources. For achieving to these purposes it can be combined the result of small-scale data such as internal wellbore seismic VSP (vertical seismic profile) that having separating power in meter limit and FMI (formation micro imager) imaging logs that having separating limit in centimeter limit that could be able to modeling structural complexities and distribution of fractures around well. It should be noted that identifying occurrences around the wellbore is very important in drilling, completion procedures and development programs. FMI (formation micro imager) logs can be directly determined the inverted changes of wellbore layers and formation structures and also was an important factor for stratifying layers and determining the lithology of oil and gas explorations that can be determined the wellbore fractures, inclination and direction by using its interpretation. Moreover VSP (vertical seismic profile) logs is the way that generated signals at the surface are received by the geophone at different depth levels in the wells, which by its interpretation; changes in wellbore direction, velocity profiles, faults with higher accuracy around the wells and fractures around the well can be determined.
机译：井中的成像技术是测井系统，解释从井中获得的数据以及从井中创建高分辨率图像的工具。这项技术可在结构特征，分层，裂缝，断层，质地和次要孔隙度等方面准确描述图像（截图工具和垂直地震），在描述储层方面起着重要的作用。在碳酸盐岩油藏中，伊朗大多数油藏都属于此类类型，裂缝是这些油藏生产中最重要的因素。在破裂的碳酸盐岩储层中，断层和褶皱使这些储层的结构发生了不必要的变化。结构复杂性发生在不同的规模。例如，在地面地震数据上可以看到主要断层和地层之间的原始边界。但是，地震数据的小范围变化和断层无法确定，因此必须使用小规模的数据和信息源。为了实现这些目的，可以将小规模数据的结果（例如内部井眼地震VSP（垂直地震剖面）以米为极限的分离功率和FMI（岩层微成像仪）成像测井的结果以厘米为极限）进行组合可以模拟井眼周围结构的复杂性和裂缝的分布。应当指出，在钻井，完井程序和开发程序中，确定井眼周围的事件非常重要。 FMI（地层显微成像仪）测井曲线可以直接确定井眼层和地层结构的倒转变化，并且是分层和确定油气勘探岩性的重要因素，可以通过以下方法确定井眼的裂缝，倾角和方向使用其解释。此外，VSP（垂直地震剖面）测井是地表检波器在井中不同深度处接收地表产生的信号的方式，这通过其解释得以解释。可以确定井眼方向的变化，速度剖面，井周围的高精度断层以及井周围的裂缝。

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