tornado frac gun

The effect of perforation and fracturation have derect ralation to the output of the oilwell.

射孔、压裂及地层压力恢复过程的压力数据,对研究油气层特征,分析射孔压裂的完井效果,制定合理的施工工艺,为射孔枪的系统设计提供实验依据等都有重要的现实意义。

Experimental Study of Hydrajet Nozzle on Abrasion

水力喷砂射孔压裂喷嘴的损伤试验与分析

Productivity Evaluation by Finite Element Method and Underbalance Pressure Determination for Perforated Oil Wells in Naturally Fractured Reservoirs;

裂缝性油藏射孔完井产能有限元模拟及射孔负压研究

Study on Fracture Process Driven by Detonation Gas during the Complex Perforation in Oil well;

油井岩层复合射孔爆燃气体压裂机理研究

Effect analysis of perforating parameters upon initiation pressure in low permeability reservoir

低渗透储层射孔参数对起裂压力的影响

Modified Formula of Formation Breakdown Pressure for Perforation Completions of Vertical Wells

射孔完井条件下地层破裂压力修正公式

On Optimizing Perforating Technology for Orientation Well in Sandstones Reservoir Fracturing

砂岩气藏压裂定向井优化射孔工艺研究

APPLICATION OF COILED TUBING JET PERFORATION SEPARATED FRACTURING TECHNIQUE IN ANNULUS IN DANIUDI GAS FIELD

连续油管喷砂射孔环空分层压裂技术在大牛地气田的应用

Study on Application of Oriented Perforating in Improving Fracturing in Tight Sandstone Gas Reservoirs

提高致密砂岩气藏压裂效果的定向射孔技术应用研究

Values of X-ray examination in the diagnosis of hiatal hernia

X射线检查对食管裂孔疝的诊断价值

Study on Annulus Pressure Distribution after Perforation of Composite Perforators

复合射孔器射孔后环空压力分布试验研究

Experimental Study on the Law of Jetting Boost Pressure in Hydrajetting

水力喷射孔内射流增压规律试验研究

Study on the Propagation Mechanism of the Crack for the Borehole Hydraulic Fracturing in Coal Seam

煤层钻孔水压致裂的裂缝扩展规律研究

Fracturing Mechanisms and Experiments Assisted with High Pressure Water Jets;

高压水射流辅助压裂机理与实验研究

To Cure Retinal Detachment Caused by Macular Hole by Doing Intraocular Injection;

眼内注射C_3F_8治疗黄斑裂孔性视网膜脱离

SCATTERING OF SH-WAVE BY INTERFACE CRACK AND NEIGHBOURING CIRCULAR CAVITY IN BI-MATERIAL VERTICAL HALF-SPACE

垂直半空间界面裂纹及附近圆孔对SH波的散射

Appraisal of Underbalanced Perforation Technology and Deliverability;

负压射孔完井技术与产能的关系评价

Study on Control System and Key Technologies of Pressing Powder for Perforating Charge;

射孔弹压药控制系统与关键工艺研究

STUDY ON MECHANISM OF GAS AND LIQUID INTERACTION IN COMPLEX PERFORATION

复合射孔压井液运动及影响作用研究