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Inflow Analysis and Optimization of Slotted Liners

机译：开槽衬管的流入分析与优化

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Slotted liners have been used for many years to provide sandrncontrol in oil industry applications. They are relativelyrninexpensive to manufacture and tolerant of installation loads,rnbut historically they have not been able to offer the very smallrnopening sizes of wire-wrap screens for controlling productionrnof fine sands. However, recent advances in slot manufacturingrnmethods provide slot openings that match and surpass the sizernand tolerance of wire-wrap screens. Furthermore, slotted linersrnoffer an advantage in providing a variable slot density that canrnbe used to optimize inflow or outflow distributions.rnIn the development of its South Bolney reservoir,rnMarathon Oil Canada and Noetic Engineering Inc. performedrnan analytical evaluation of inflow characteristics for a newrngeneration of commercially available slots. Several interestingrnconclusions were reached, the most significant being thatrninflow resistance depends much more strongly on slot densityrnthan on open area. The inflow characterization was also usedrnto develop an optimized slot density distribution to promoternmore uniform production over the entire well. The slottingrndesign was incorporated into a new well that was designed torncontrol thermally induced loads, thereby avoiding the sandrncontrol characteristics of slotted liner being compromised.
机译：开槽衬管已被使用多年，以在石油工业应用中提供防砂性。它们的制造成本相对较低并且可以承受安装负荷，但是从历史上看，它们无法提供用于控制细砂生产的裹丝筛网的开孔尺寸非常小。然而，狭槽制造方法的最新进展提供了与开绕丝网的尺寸和公差匹配并超过的狭槽开口。此外，开槽衬管在提供可用于优化流入或流出分布的可变开槽密度方面具有优势。rn在开发其南玻尔尼油藏时，加拿大马拉松石油公司和Noetic Engineering Inc.对新一代商业应用的流入特征进行了rnan分析评估。可用插槽。得出了几个有趣的结论，最重要的是，流入阻力主要取决于缝隙密度，而不是开放区域。流入特征也用于开发优化的缝隙密度分布，以促进整个井的均匀生产。开槽设计被并入新的井中，该新井设计用于控制热感应载荷，从而避免了开槽衬管的防沙特性受到损害。

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