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论述了一种新的相对渗透聚合改良剂(RPM)的成功应用实例。该改良剂可以减少施工过程中的含水率而不需要修井设备。这种新的改良剂可以直接挤入打开的产层而不需要分隔水层与产油层。该处理方法已经在墨西哥南部地区的几口井眼施工中进行了应用。结果表明,对于成熟油田那些高含水而又具有很高潜在盈利价值的井眼,可以用一种简单而又低成本的方法进行修井作业,而不需要修井设备并可降低关井时间。这种新方法可以增加砂岩的采收率,从而降低井眼废弃的可能。本文从问题识别和水窜缘由的理解入手介绍了这种处理方法。描述了这种运用疏水性改良水溶聚合物进行施工的新方法,并对如何有选择地使用这种改良剂控制含水量进行了解释。另外,还详细地叙述了整个施工过程以及施工结果。这种低投入、高盈利的方法也适用于其他具有类似条件的井眼施工,这些井眼以前都是通过高成本、传统的修井设备进行作业的。
A successful application of a new relative penetration polymerization modifier (RPM) is discussed. The improver can reduce the moisture content during construction without the need for workover equipment. This new modifier can be extruded directly into the open pay zone without the need to separate the water and pay zones. This process has been applied in several wellbore operations in southern Mexico. The results show that for wellbores with high water cut and high potential profitability in mature fields, workover operations can be performed in a simple and low cost manner without the need for workover equipment and reduced shut-in time. This new method can increase the recovery of sandstone, thereby reducing the possibility of wellbore obsolescence. This article starts with the understanding of watermarking and waterfronts, and introduces this approach. This new method of applying hydrophobic modified water-soluble polymers is described and how to selectively control the water content using such modifiers is described. In addition, the whole construction process and the construction results are also described in detail. This low-investment, high-profit approach also applies to other wellbore construction with similar conditions that have traditionally operated with high-cost, conventional workover equipment.