Weighted acidification is applied for pretreatment in the reservoirs with ultra-high fracture pressure of deep Wells. Good stimulation effect will gain.
采用加重酸化技术，对深井超高破裂压力储层进行预处理，可取得较好增产效果。
Especially the advantage of lowering the fracture pressure of tight sands provides a new way to develop the high fracture pressure gas reservoirs in West Sichuan.
特别是其有效降低致密砂岩地层破裂压力的特点，为川西地区高破裂压力气藏的开发提供了新的思路。
Concerns have been raised in many countries about the safety of fracking, a technique in which high-pressure fluids are pumped into shale to fracture the rock and force out natural gas.
许多国家都对水力破裂法的安全性表示担心，这种技术是把高压液体注入页岩致岩石破裂从而挤出其中存储的天然气。
Gas reservoir in Xujiahe Section 2 in west Sichuan are low porosity, low permeability, deep, high formation pore and fracture pressure, etc.
川西须家河组2段气藏属于低渗低孔致密深层气藏，地层压力和破裂压力高。
The damage and fracture of stainless steel serviced in hydrogen environment with high temperature and pressure are very important for the safety production of petroleum and chemical industries.
不锈钢长期在高温高压临氢环境下服役，其损伤与断裂对于石化企业的安全生产是至关重要的。
Active automatic uniform distribution viscous acid unblocking technique used in high temperature and pressure fracture -pore reservoir oil well was reported.
报道了将活性自转向稠化酸用于高温高压裂缝—孔隙型油藏油井酸化解堵技术。
For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。
The tibia adds to pressure, the high accuracy digital displacement machine affix in the two side of the patella fracture line.
胫骨端加压，高精度数显位移测量器固定于髌骨骨折线的两侧。
The grain fracture of energetic particle bed as a result of dynamic impact and dynamic compression at different temperature was measured by using a high-low pressure launch set.
利用高低压发射装置，测定了含能颗粒床在不同环境温度下动态撞击与动态挤压的破碎程度；
The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM.
对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。
The paper Introduces fracture appearance transition character of turbine high and middle pressure rotor made metal material.
介绍汽轮机高中压转子金属材料的脆性转变特性。
Pump valve spring fracture is another common typical fault of emulsion pump with high pressure and large discharge which reduces the volumetric efficiency of emulsion pump greatly.
泵阀弹簧断裂是高压大流量乳化液泵的另一种常见典型故障，极大地影响了乳化液泵的容积效率。
Pump valve spring fracture is another common typical fault of emulsion pump with high pressure and large discharge which reduces the volumetric efficiency of emulsion pump greatly.
泵阀弹簧断裂是高压大流量乳化液泵的另一种常见典型故障，极大地影响了乳化液泵的容积效率。
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