Spatial and temporal distribution of hydrocarbon production on the UK continental shelf

IF 1.1 4区 地球科学 Q3 GEOLOGY
Resource Geology Pub Date : 2023-12-05 DOI:10.1111/rge.12323
Ukari Osah, John Howell
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引用次数: 0

Abstract

Hydrocarbon production from oil and gas fields is controlled by a variety of interconnected factors with a hierarchy of significance that is, for the most part, difficult to untangle. This article documents and investigates the spatial and temporal distribution of key hydrocarbon field parameters on the UK Continental Shelf. Data have been compiled from publicly available sources for 424 fields. Variables are considered as “descriptive parameters,” “control parameters” and “outcomes”. Descriptive parameters are metadata such as field name, location, etc. Control Parameters include depositional environment, present depth of burial, porosity, permeability, reservoir formation pressure, reservoir temperature, average net-to-gross, number of fault populations, hydrocarbon API, field area, bulk rock volume, well density, number of wells (production and injection), well spacing, gas oil ratio, reservoir thickness, fluid saturation, compartmentalization (quantitated by number of observable non-communicating fault compartments), structural complexity (scaled from 0 to 5), field production strategy, trap type and stratigraphic heterogeneity. Outcomes are used to assess field performance and include final recovery factor (estimated), maximum production rate, and cumulative monthly production. Analysis of the database illustrates a number of empirical observations regarding hydrocarbon production on the UKCS. The Jurassic plays have been the most successful in the region in terms of total volumes produced while the Permian reservoirs of the SNS account for the majority of the gas. Most of the UKCS reservoirs record top depths between 2000 and 4500 m with good reservoir quality. The best reservoir quality is observed in reservoirs that were deposited within deep marine systems. The largest hydrocarbon reserves are found in the Northern North Sea basin in these deep marine (as well as paralic and shallow marine) reservoirs. Using the data from this article and affiliated data, potential exists for extracting insight beyond spatio-temporal distributions.

Abstract Image

英国大陆架油气生产的时空分布
油气田的油气产量受多种相互关联的因素控制,这些因素具有重要的层次结构,在很大程度上难以理清。本文记录并研究了英国大陆架主要油气田参数的时空分布。数据是从424个领域的公开来源汇编而来的。变量被认为是“描述性参数”、“控制参数”和“结果”。描述性参数是元数据,如字段名、位置等。控制参数包括沉积环境、当前埋藏深度、孔隙度、渗透率、储层压力、储层温度、平均净总比、断层数量、油气API、油田面积、岩石体积、井密度、井数(生产和注入)、井距、油气比、储层厚度、流体饱和度、分区化(通过观察到的非连通断层分区数量来量化)、构造复杂性(从0到5)、油田生产策略、圈闭类型和地层非均质性。结果用于评估油田性能,包括最终采收率(估计)、最大产量和累计月产量。对该数据库的分析说明了一些关于UKCS油气生产的经验观察结果。就总产量而言,该地区侏罗纪气藏最为成功,而SNS的二叠纪储层占了大部分天然气。大多数英国大陆架储层的顶深在2000 ~ 4500米之间,储层质量良好。在深海体系中沉积的储层质量最好。最大的油气储量位于北海盆地北部的这些深海(以及海陆和浅海)储层中。利用本文中的数据和相关数据,有可能提取超越时空分布的洞察力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Resource Geology
Resource Geology 地学-地质学
CiteScore
2.30
自引率
14.30%
发文量
18
审稿时长
12 months
期刊介绍: Resource Geology is an international journal focusing on economic geology, geochemistry and environmental geology. Its purpose is to contribute to the promotion of earth sciences related to metallic and non-metallic mineral deposits mainly in Asia, Oceania and the Circum-Pacific region, although other parts of the world are also considered. Launched in 1998 by the Society for Resource Geology, the journal is published quarterly in English, making it more accessible to the international geological community. The journal publishes high quality papers of interest to those engaged in research and exploration of mineral deposits.
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