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Foreword ― Marine Conglomerate Reservoirs: Cretaceous of Western Canada and Modern Analogues

机译:前言―海洋集团储层:加拿大西部的白垩纪和现代类似物

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摘要

This two-part special issue of the Bulletin of Canadian Petroleum Geology evolved from a technical session on "Marine Conglomerate Reservoirs" at the 2002 CSPG Diamond Jubilee Convention. The session was highlighted by eight oral and three poster presentations, seven of which formed the basis for manuscript contributions. The intent of the original technical session, as well as this subsequent special two-part publication, was to assemble a collection of targeted presentations covering a spectrum of topics relevant to hydrocarbon exploration in conglomerate reservoirs of marine origin in the Western Canada Sedimentary Basin. The majority of these conglomeratic units are natural gas reservoirs that comprise the backbone of the Deep Basin's productivity, and include some of the most prolific gas horizons in all of western Canada. From a global perspective, reservoirs of this geological nature and origin are relatively unique, if not rare. However, they are not uncommon in the Cretaceous of Alberta and British Columbia. Some, such as the Cardium and Viking formations, have been the focus of numerous studies, geological investigations and exploration drilling. However, for those conglomerate reservoirs of shallow marine origin within the Deep Basin, there has been little published work made available since the landmark AAPG Memoir 38 publication of Masters (1984). This lack of current information in the public domain, coupled with the recent completion of several relevant University theses and industry funded geological investigations, provided the impetus for the editors to compile these publications. This two-part publication was designed to be broad in its scope, and as such provides a multi-disciplinary approach to the investigation and prediction of shallow marine conglomerate reservoir facies. Topics range from sedimentary processes and geomorphology of modern day graveliferous shorelines to the sedimentological, stratigraphic and ichnological analyses of conglomerates in outcrop and subsurface. Of greatest and most immediate practicality to the geoscientist involved in the exploration of conglomerate reservoirs, are the regional subsurface investigations of natural gas bearing horizons from the Deep Basin. However, we remind our industry colleagues that while time is almost always of the essence in the oil and gas business, the non-immediately applied investigations published in this two-part publication, or any other of a similar bent, provide the building blocks and tools to understanding the internal architecture and prediction of conglomerate reservoirs in general. It is for these reasons, that these publications provides a collection of both recent results from University research and industry work as well as summary articles of investigations of gravel and conglomerates of shallow marine origin. For reasons of efficiency and cost, the special publication has been divided into part one (December, 2003) and part two (March, 2004). The two-part publication includes fivetopical headings discussed below.
机译:这是由两部分组成的《加拿大石油地质通报》特刊,是根据2002年CSPG钻石禧年大会上有关“海洋砾岩储层”的技术会议而发展而来的。本次会议以八次口头发言和三场海报展示为重点,其中七场构成了稿件的基础。最初的技术会议以及随后的这一分为两部分的特殊出版物的目的是,汇集一系列有针对性的演讲,这些演讲涉及与加拿大西部沉积盆地海相砾岩储集层油气勘探有关的一系列主题。这些大公司单位中的大多数是天然气藏,构成了深盆地生产力的骨干,并且包括加拿大西部所有最丰富的天然气层。从全球的角度来看,具有这种地质性质和起源的储层即使不是罕见的,也相对独特。但是,它们在亚伯大白垩纪和不列颠哥伦比亚省并不罕见。一些,例如Cardium和Viking地层,已成为众多研究,地质调查和勘探钻探的重点。但是,对于深盆地内那些浅海成因的砾岩储集层,自具有里程碑意义的AAPG回忆录38出版于Masters以来,几乎没有发表过的工作(1984年)。由于缺乏公共领域的最新信息,加上最近完成了一些相关的大学论文以及由工业界资助的地质调查,为编辑提供了动力来编写这些出版物。该出版物分为两部分,旨在扩大其范围,因此为浅海砾岩储集相的调查和预测提供了多学科的方法。主题范围从现代坟墓海岸线的沉积过程和地貌到露头和地下砾岩的沉积学,地层学和岩石学分析。对于参与砾岩储层勘探的地球科学家来说,最深切,最直接的实践就是对来自深盆地的天然气层进行地下地下调查。但是,我们提醒行业同仁,尽管时间在石油和天然气行业中几乎总是至关重要的,但在这份由两部分组成的出版物中或其他类似的出版物中所进行的非立即应用的调查,却为我们提供了基础。一般了解砾岩储层内部结构和预测的工具。出于这些原因,这些出版物提供了大学研究和工业研究的最新成果以及浅海起源的砾石和砾岩研究的摘要。出于效率和成本的考虑,该特殊出版物分为第一部分(2003年12月)和第二部分(2004年3月)。分为两部分的出版物包括以下讨论的五个主题。

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