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产品展厅>>项目研发>>射孔优化功能迭代与测试

项目主要针对射孔优化设计软件进行功能升级和测试，软件采用了组件技术开发，充分考虑了众多复杂因素，通过爆炸与渗流计算，获得井筒p-t曲线及油气井产能，实现曲线、图表、位图等自由组合图形的显示与打印，同时可计算井底压力变化、流量变化以及实现射孔敏感参数分析。针对常规射孔、复合射孔及动态负压射孔在确保井筒安全的前提下，根据油气井产能计算，优化出最经济合理的射孔方案。

射孔器基础参数处理与批量测试

射孔优化结果数据生成测试与代码调优

射孔优化功能、算法测试与代码调优

射孔优化设计功能黑盒白盒测试与代码调优

软件正确输出负压设计、污染带半径计算、产能预测、数值与图表

射孔器材数据可进行单一添加和批量导入

射孔优化结果可通过系数进行调整

技术要求应合格并满足GB/T 28173-2011、GB/T 26240-2010的相关规定和要求

本项目通过射孔相关数据的分析研究，进行了强大的数学计算和射孔优化。软件拥有各种数据的输入、编辑、分析和修改功能，直观的曲线数据显示功能，方便灵活的图形显示，适用油井、注水井、气井、各向同性及各向异性地层等各种油气藏类型。通过流程化操作、模块化设计可以不断进行软件优化，能够适应现场的各种需求，具有很强的技术优势。

Products>>Project Development>>Study on the influence of volume  fracturing boundary and seepage characteristics of dense reservoir

At present, the exploration targets and key research objects of the oilfield are mainly dense reservoirs. For such reservoirs, it is often necessary to carry out reservoir reconstruction, well pattern infilling and other measures through multi-stage hydraulic fracturing in long horizontal wells to improve oil and gas production and realize efficient and economic development. However, multi-stage fracturing of horizontal wells is a world-class problem and a technical bottleneck restricting the application of horizontal wells in low-permeability reservoirs. The key technologies are: studying horizontal well  reservoir engineering to solve the problem of horizontal well layout; Study the in-situ stress field to solve the problems of hydraulic fracture initiation and shape; Study the optimal design of staged fracturing in horizontal section to solve the problem of multi-stage fracture setting; Study the staged fracturing technology and tools to solve the implementation problem of staged fracturing in horizontal wells; Crack monitoring is studied to solve the problem of multi-stage crack evaluation.

Establishment and solution of mathematical model for large-scale volume fracturing

Influence of seepage law in volume fracturing zone and undisturbed formation of horizontal well on well test model

Study on dense non-Darcy seepage: The influence of start-up  pressure gradient on flow is analyzed

Study on the method of determining formation parameters by data   inversion and analysis of influencing factors

The mathematical model of injection and production seepage  resistance and the formula of pressure-distance under different liquid volume are studied, and the characteristic curve is analyzed

Productivity analysis and prediction calculation model and  productivity curve using unstable well test data

The project has made a breakthrough in the research of tight multi-stage fracturing horizontal well test technology, and proposed a tight well test analysis method, which provides a technical guarantee for well test evaluation in the process of shale oil volume fracturing development. The effective combination of model establishment, model solution and production application is realized. The interpretation provides parameters such as formation permeability, well storage constant, skin coefficient, fracture half-length and start-up pressure. The field application effect is good.

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