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Coreflood Studies Examine New Technologies That Minimize Intervention Throughout Well Life Cycle

机译：Coreflood研究考察了在整个油井生命周期中最大限度减少干预的新技术

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With the development of more and more subsea fields, the challenge for scale-inhibitor squeeze treatments is to reduce intervention frequency by extending squeeze treatment lifetime while con-comitantly reducing any potential damage in both low water-cut and high water-cut wells. This paper discusses the technical problems and examines new technologies for treatment of such production wells through their life cycle. This paper covers the findings from late 2001 through early 2002. Because even newer technologies have been developed since the writing of this paper, it should be read as the history of technological development. Scale control technology available to control scale formation within the reservoir and near-wellbore area of production wells will be outlined with a focus on the current developing technology to control scale within low water-cut wells. Moreover, this paper shows that the new technical area of emulsion-scale-inhibitor-delivery systems, originally designed to control scale within low water-cut wells, has applications in both low and high water-cut wells. This study assists in developing an understanding of the mechanism of interaction of emulsion-based products—in particular, the impact of the level of water saturation within the core system. In addition, it demonstrates that the emulsion particles are retained in the core matrix during both crude and brine flowback. This paper indicates that the emulsion product offers the potential for extremely long squeeze lifetimes with minimal damage in oil-production wells with rising water cut. It also demonstrates how different technologies have their own place in the life cycle of a production well.
机译：随着越来越多的海底油田的发展，阻垢剂挤压处理的挑战是通过延长挤压处理寿命来降低干预频率，同时减少低含水率和高含水率井的任何潜在损害。本文讨论了技术问题，并研究了在整个生命周期内处理此类生产井的新技术。本文涵盖了2001年末至2002年初的发现。由于自撰写本文以来，甚至已经开发了更新的技术，因此应将其视为技术发展的历史。将概述可用于控制储层和生产井近井区域内水垢形成的水垢控制技术，重点是当前正在开发的控制低含水井内水垢的技术。此外，本文表明，最初设计用于控制低含水率井中水垢的乳化垢阻垢剂输送系统的新技术领域已在低含水率井和高含水率井中应用。这项研究有助于加深对乳液基产品相互作用机理的理解，尤其是对核心系统内水饱和度水平的影响。另外，它表明在原油和盐水回流期间，乳液颗粒均保留在核心基质中。本文表明，乳液产品具有潜在的超长挤压寿命，并且随着含水率的升高，对采油井的损害最小。它还说明了不同的技术如何在生产井的生命周期中发挥自己的作用。

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