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首页> 外文会议>Annual convention of the indonesian petroleum association >OPTIMIZING WELL PLACEMENT STRATEGY IN A GIANT FRACTURED BASEMENT GAS RESERVOIR THROUGH INTEGRATED SUBSURFACE ANALYSIS. A CASE STUDY OF THE SUBAN FIELD
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OPTIMIZING WELL PLACEMENT STRATEGY IN A GIANT FRACTURED BASEMENT GAS RESERVOIR THROUGH INTEGRATED SUBSURFACE ANALYSIS. A CASE STUDY OF THE SUBAN FIELD

机译：通过综合地下分析优化巨型裂缝地下气藏井井放置策略。对丘脑的案例研究

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The Suban Field is a world-class fractured basement gas reservoir. The field has commingled production from fractured Tertiary (carbonate & sandstone) and Pre-Tertiary Basement sections. Currently, the field is able to produce more than 700 MMscfd from only 13 wells with individual well deliverability is as high as 180 MMscfd. Reservoir characteristics of fractured rocks are highly complex, and understanding the fracture network and connectivity is paramount to ensure an optimum depletion strategy. Challenges arise from limited knowledge of lateral/vertical fracture distribution, fracture orientation and intensity, the principal stress orientation, and uncertainty in the production contribution with depth. For the Suban Field, an approach of integrating information from multiple disciplines has been applied to improve the characterization and prediction of reservoir performance. The approach integrates tectonic reconstruction (extensional/compressional), seismic attribute-based analysis, geologic correlation of well data, and production information. In addition, advanced seismic interpretation proved to be particularly successful to define the fracture distribution throughout the field and analysis of production log test data, drilling losses, and image logs made it possible to understand the depth of productive fractures. This paper addresses the challenges of defining the productive fracture network in the Suban Field. A detailed discussion covering all elements of the work flow, from regional tectonic interpretation all the way to reservoir performance will be addressed. Through the use of this approach, the authors will demonstrate how it can be utilized for improved well placement strategy in Suban Field. Additionally, this approach could improve the well placement in other fractured basement reservoirs worldwide.
机译：Suban领域是世界一流的骨折地下室气体储层。该领域采用了碎裂的第三级（碳酸盐和砂岩）和第三级地下置部分的生产。目前，该领域能够从单个良好的交付能力从13个井中生产超过700 mmscfd，高达180 mmscfd。裂缝岩石的储层特性高度复杂，了解骨折网络和连通性是至关重要的，以确保最佳的耗尽策略。挑战从横向/垂直骨折分布，断裂方向和强度，主要应力取向，生产贡献中的主要应力取向和不确定性的有限知识。对于Suban字段，已经应用了从多学科集成信息的方法，以改善储层性能的表征和预测。该方法集成了构造重建（扩展/压缩），基于地震属性的分析，井数据的地质相关性和生产信息。此外，先进的地震解释被证明是特别成功的，以在整个场地定义骨折分布和生产日志测试数据的分析，钻探损耗和图像原木使得可以了解生产性裂缝的深度。本文涉及定义副领域生产骨折网络的挑战。详细讨论涵盖工作流程的所有要素，从区域构造解释一切顺利进行储层绩效。通过使用这种方法，作者将如何展示如何利用Suban领域的改进的井放置策略。此外，这种方法可以改善全球其他骨折地下室储层的井放置。

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