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首页> 外文会议>Proceedings of The 38th IPA convention and exhibition-Strengthening Partnership to Enhance Indonesia’s Energy Resilience and Global Competitiveness >A CORRELATION OF CLIMATE STRATIGRAPHY WITH BIOSTRATIGRAPHY TO CONFIRM STRATIGRAPHIC UNITS IN THE SEBATIK AREA
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A CORRELATION OF CLIMATE STRATIGRAPHY WITH BIOSTRATIGRAPHY TO CONFIRM STRATIGRAPHIC UNITS IN THE SEBATIK AREA

机译：气候地层学与生物地层学的相关性以确认塞巴蒂克地区的地层单位

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The Sebatik PSC, operated by Star Energy, is situatedrnin the northern part of the Tarakan Basin,rnNorth Kalimantan Province close to the border withrnMalaysia. The PSC lies mainly in shallow water butrnalso includes parts of Nunukan and Sebatik Islandsrnin the north and goes beyond the shelf break in torndeeper water to the east. The discovery of Badik byrnAnadarko in 2010 has opened up a new phase ofrnappraisal drilling in the shallow water area of thernTarakan Basin. This discovery lies some 40 kmrnsouth of, and within the same structural compartmentrnas the nearest offshore prospects identified inrnSebatik PSC. The pay sand in Badik is believed tornbe Late Miocene and Pliocene in age.rnOne of the geological challenges within the area isrnthe difficulty in correlating stratigraphic units withrnbiostratigraphic data. This leads to problems in calibratingrnseismic using well data. The purpose of thisrnstudy is to establish a stratigraphic correlation ofrnwell data and therefore facilitating the prediction ofrnreservoir targets in prospects already identified fromrnseismic interpretation. In order to achieve this, arnnew approach using the INPEFA Log Transformrntechnique has been applied. The main interest of thernstudy was the reservoir targets within the shallowrnwater area of the PSC.rnThe INPEFA Log Transform technique, developedrnby ENRES, is a method based on climate stratigraphyrncreating real surfaces and depositional trendsrnaccording to pattern recognition. Climate stratigraphyrnis based on the principles of global cyclostratigraphyrnwhich develops the idea that climate changerngoes through recognizable and predictable patterns,rnand that lithofacies variation can be predicted fromrnthese patterns.rnFrom the identification of 16 stratigraphic packagesrncovering the Miocene to Pleistocene section it was possible to create a high resolution stratigraphicrncorrelation in the Sebatik area. The study shows thatrnthere is a reasonable correlation between stratigraphicrnand biostratigraphic data. The evaluation ofrnreservoir-seal quality based on the result of thisrnstudy has also been determined. The results suggestrnthat potentially the best reservoir capacity can bernexpected in the Late Miocene and Pliocene sedimentaryrnsection.
机译：由Star Energy运营的Sebatik PSC位于塔拉坎盆地北部，北加里曼丹省，与马来西亚接壤。 PSC主要位于浅水区，但也包括北部的努努坎和塞巴蒂克群岛的部分地区，并超出了东部深水区的陆架断裂。 Badik byrnAnadarko在2010年的发现为塔拉坎盆地浅水区的rnrn评价钻探开辟了新阶段。该发现位于Sebatik PSC中，在同一构造隔层以南约40公里处，并且在同一结构隔层内。人们认为，巴迪克的产砂时代已被晚中新世和上新世所撕裂。该地区的地质挑战之一是难以将地层单位与生物地层数据相关联。这导致使用井眼数据校准地震的问题。这项研究的目的是建立井眼数据的地层相关性，从而有助于对已经通过地震解释确定的前景中的储层目标进行预测。为了实现这一目标，已应用了使用INPEFA Log Transformrn技术的arnnew方法。研究的主要兴趣是PSC浅水区域内的储层目标。ENRES开发的INPEFA测井变换技术是一种基于气候地层学方法，根据模式识别来创建真实表面和沉积趋势的方法。基于全球旋回地层学原理的气候地层学，提出了气候变化通过可识别和可预测的模式进行的想法，并且可以从这些模式中预测岩相变化。从识别16个地层组合中发现中新世至更新世剖面，就有可能创造出一个较高的Sebatik地区的分辨率地层相关性。研究表明，地层学和生物地层学数据之间存在合理的相关性。还确定了基于研究结果的储层密封质量评价。结果表明，在中新世晚期和上新世沉积层中，可能有最好的储层容量。

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