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首页> 外文会议>Society of Petroleum Engineers European Formation Damage Conference >Water and Sand Control Through Linear-Gel Frac Pack and Relative Permeability Modifier Techniques: Case Histories From the Casanare Basin, Colombia
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Water and Sand Control Through Linear-Gel Frac Pack and Relative Permeability Modifier Techniques: Case Histories From the Casanare Basin, Colombia

机译：通过线性 - 凝胶FRAC包和相对渗透改性剂技术的水和砂控制：Casanare盆地，哥伦比亚的病例历史

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The C7 reservoir, located in Casanare Basin, not only exhibits serious formation consolidation problems, but the producing zone is also close to the oil/water contact. Most of the workover interventions have been focused on sand- and water- production issues. A solution developed to obtain hydrocarbon production that combines sand-control and water-control techniques, without additional services to clean the sand or change the production pump, is presented in this paper. Numerous methods for this purpose exist in the industry, such as mechanical sand control methods, chemical treatments, and combinations of both. These are typically applied according to best practices with consideration of the associated costs. The sand-control technique presented in this paper has been applied for three consecutive years in the area of Casanare, Colombia and has proven to be successful. This technique consists of pumping linear gel at high rates to place the proppant into the formation; in some cases, up to 40 sacks/ft (experiences in other regions mention 3.5 sacks/ft). In some cases, because of the proximity of the water, it was decided not to fracture to prevent the influx of water. To increase the amount of proppant placed in the formation, a combination of two techniques, which have each proven to be successful individually, has been implemented. These techniques are: (1) use of a relative permeability modifier (RPM) to control the water influx and (2) high-rate pumping of linear gel to place proppant. The combination of the RPM treatment and sand-control technologies designed for each particular area has set a new standard for sand-control operations in the area.
机译：在C7水库，位于卡萨纳雷盆地，不仅表现出严重的形成整合的问题，但生产区也接近油/水接触。大部分的修井作业中一直专注于sand-及水的生产问题。溶液显影以获得烃生产，结合了防砂和水的控制技术，而无需额外的服务来清洁砂或改变生产泵，在本文提出。为此，许多方法在业内存在的，如机械防砂方法，化学处理，以及两者的组合。这些都是根据与考虑相关成本的最佳做法通常适用。在本文提出的防砂技术已申请连续三年在卡萨纳雷，哥伦比亚地区，已被证明是成功的。此技术包括以高速率泵送线性凝胶放置支撑剂进入地层的;在某些情况下，可达40袋/英尺（在其他地区的经验，更不用说3.5袋/英尺）。在某些情况下，由于水的接近，因此决定不断裂，防止水流入。为了提高放置在形成支撑剂的量，两种技术，其中已分别被证明是成功的单独的组合，已经执行。这些技术是：（1）使用相对渗透性改性剂（RPM），以控制水的流入和线性凝胶的（2）高率泵送至地方支撑剂。专为每个特定区域的RPM处理和防砂技术的结合，已经为在该地区的砂控制操作的新标准。

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