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首页> 外文期刊>Journal of natural gas science and engineering >Development and evaluation of a novel fracture diverting agent for high temperature reservoirs
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Development and evaluation of a novel fracture diverting agent for high temperature reservoirs

机译：高温储层新型断裂转移剂的开发与评价

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摘要

Diversion fracturing has attracted increasing attention to satisfy the rising demand for hydrocarbon resources. In this study, a novel targeted-plugging and fracture-adaptable diverting system applicable for high temperature (150 degrees C) was developed, which was based on gel, fibers, and coal fly ash (CFA). Gel was used as the matrix and carrier of other constituents, while fibers and CFA assisted to strengthen the structure of the diverting system. This system could plug at designated positions and be applied to complex fracture networks. By adding different compositions and modifying ambient conditions, the gelation time could be varied to adjust the plugging position. Gelation time could be controlled from 10 min to 45 min, which was sufficiently long for field application. Plugging and degradation behavior tests were conducted to confirm that the system could form plugs and finally become degraded under 150 degrees C.
机译：为了满足日益增长的油气资源需求，导流压裂越来越受到重视。本研究以凝胶、纤维和粉煤灰（CFA）为基础，开发了一种适用于高温（150℃）的新型定向封堵和裂缝适应性转向系统。凝胶被用作其他成分的基质和载体，而纤维和CFA则有助于加强转向系统的结构。该系统可在指定位置进行封堵，适用于复杂的裂缝网络。通过添加不同的组分和改变环境条件，可以改变凝胶时间来调整堵塞位置。胶凝时间可控制在10min～45min，这对于现场应用来说是足够长的。进行了堵塞和降解行为测试，以确认系统可以形成堵塞，并最终在150℃下降解。

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