文章对影响第五代移动通信技术(5th-Generation Mobile Communication Technology, 5G)网络业务分流的各类要因进行调查研究,在多维数据分析基础上,提出一种面向用户的5G栅格分流评估模型和一种栅格分流价值排序方法。数据分析实验与优...文章对影响第五代移动通信技术(5th-Generation Mobile Communication Technology, 5G)网络业务分流的各类要因进行调查研究,在多维数据分析基础上,提出一种面向用户的5G栅格分流评估模型和一种栅格分流价值排序方法。数据分析实验与优化实践表明,该方法可以精确定位现网高价值分流栅格,指导5G网络精准调优,实现网络与业务匹配,显著提升5G网络资源投放效益和优化效率,加快5G网络分流进程。展开更多
针对页岩气压裂施工对滑溜水的性能要求及长宁区块页岩气储层特征,室内通过对降阻剂、黏土稳定剂、助排剂的优选评价,形成了配方为0.07%乳液减阻剂+0.1%助排剂+0.3%黏土稳定剂的滑溜水体系,并对该体系进行了性能评价。研究结果表明:用...针对页岩气压裂施工对滑溜水的性能要求及长宁区块页岩气储层特征,室内通过对降阻剂、黏土稳定剂、助排剂的优选评价,形成了配方为0.07%乳液减阻剂+0.1%助排剂+0.3%黏土稳定剂的滑溜水体系,并对该体系进行了性能评价。研究结果表明:用总矿化度为35 484.7 mg/L的返排液配制的滑溜水,其表面张力为23.1 m N/m,降阻率为73.6%,且配伍性能良好。经9口页岩气井的现场应用证明,该滑溜水体系具有速溶、低伤害、低摩阻、低加量、耐盐等优势。展开更多
Fiber is highly escapable in conventional slickwater,making it difficult to form fiber-proppant agglomerate with proppant and exhibit limited effectiveness.To solve these problems,a novel structure stabilizer(SS)is de...Fiber is highly escapable in conventional slickwater,making it difficult to form fiber-proppant agglomerate with proppant and exhibit limited effectiveness.To solve these problems,a novel structure stabilizer(SS)is developed.Through microscopic structural observations and performance evaluations in indoor experiments,the mechanism of proppant placement under the action of the SS and the effects of the SS on proppant placement dimensions and fracture conductivity were elucidated.The SS facilitates the formation of robust fiber-proppant agglomerates by polymer,fiber,and quartz sand.Compared to bare proppants,these agglomerates exhibit reduced density,increased volume,and enlarged contact area with the fluid during settlement,leading to heightened buoyancy and drag forces,ultimately resulting in slower settling velocities and enhanced transportability into deeper regions of the fracture.Co-injecting the fiber and the SS alongside the proppant into the reservoir effectively reduces the fiber escape rate,increases the proppant volume in the slickwater,and boosts the proppant placement height,conveyance distance and fracture conductivity,while also decreasing the proppant backflow.Experimental results indicate an optimal SS mass fraction of 0.3%.The application of this SS in over 80 wells targeting tight gas,shale oil,and shale gas reservoirs has substantiated its strong adaptability and general suitability for meeting the production enhancement,cost reduction,and sand control requirements of such wells.展开更多
文摘文章对影响第五代移动通信技术(5th-Generation Mobile Communication Technology, 5G)网络业务分流的各类要因进行调查研究,在多维数据分析基础上,提出一种面向用户的5G栅格分流评估模型和一种栅格分流价值排序方法。数据分析实验与优化实践表明,该方法可以精确定位现网高价值分流栅格,指导5G网络精准调优,实现网络与业务匹配,显著提升5G网络资源投放效益和优化效率,加快5G网络分流进程。
文摘针对页岩气压裂施工对滑溜水的性能要求及长宁区块页岩气储层特征,室内通过对降阻剂、黏土稳定剂、助排剂的优选评价,形成了配方为0.07%乳液减阻剂+0.1%助排剂+0.3%黏土稳定剂的滑溜水体系,并对该体系进行了性能评价。研究结果表明:用总矿化度为35 484.7 mg/L的返排液配制的滑溜水,其表面张力为23.1 m N/m,降阻率为73.6%,且配伍性能良好。经9口页岩气井的现场应用证明,该滑溜水体系具有速溶、低伤害、低摩阻、低加量、耐盐等优势。
文摘Fiber is highly escapable in conventional slickwater,making it difficult to form fiber-proppant agglomerate with proppant and exhibit limited effectiveness.To solve these problems,a novel structure stabilizer(SS)is developed.Through microscopic structural observations and performance evaluations in indoor experiments,the mechanism of proppant placement under the action of the SS and the effects of the SS on proppant placement dimensions and fracture conductivity were elucidated.The SS facilitates the formation of robust fiber-proppant agglomerates by polymer,fiber,and quartz sand.Compared to bare proppants,these agglomerates exhibit reduced density,increased volume,and enlarged contact area with the fluid during settlement,leading to heightened buoyancy and drag forces,ultimately resulting in slower settling velocities and enhanced transportability into deeper regions of the fracture.Co-injecting the fiber and the SS alongside the proppant into the reservoir effectively reduces the fiber escape rate,increases the proppant volume in the slickwater,and boosts the proppant placement height,conveyance distance and fracture conductivity,while also decreasing the proppant backflow.Experimental results indicate an optimal SS mass fraction of 0.3%.The application of this SS in over 80 wells targeting tight gas,shale oil,and shale gas reservoirs has substantiated its strong adaptability and general suitability for meeting the production enhancement,cost reduction,and sand control requirements of such wells.
