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1)  development of drive end presspillar
机尾压柱改造
2)  air compressor retrofit
空压机改造
3)  structural reforming with removing column
拔柱改造
4)  demolishing columns
抽柱改造
1.
Reconstruction project of demolishing columns is one of the main means of reconstructing building function.
介绍了大兴安岭森林防火指挥部两种抽柱改造方案的设计思想及有关构造做法 ,分析了两种方案在结构性能、施工难易程度、施工工作量、质量保证等方面的特点 ,指出了在选定方案后施工过程中应注意的问题 ,为同类工程的抽柱改造设计提供了参
5)  fracturing [英]['fræktʃə]  [美]['fræktʃɚ]
压裂改造
1.
Optimum design of developing well network by integral fracturing the compact gas reservoir of the Jurassic Shaximiao Formation in the Xinchang gas field,Sichuan,China;
新场气田J_2s~2气藏整体压裂改造开发井网优化设计
2.
The volcanic oil reservoirs are characterized by low permeability, deep burial depth, tighter rocks, thick oil-bearing intervals and developed natural fracture and solution pores, and which have some difficulties such as high temperature of reservoir, high pumping pressure, high fluid loss, high fracture initiation gradient and high rate of sand up while fracturing.
针对辽河坳陷火山岩“低、深、硬、厚、漏”的油藏特点和“高储层温度、高施工泵压、高流体滤失、高启裂梯度、高砂堵几率”的压裂难点,确定了大排量、中低砂比、大规模、造长缝的压裂改造主导思想,以使压裂裂缝尽量多、尽量远地沟通天然微裂缝和溶孔,达到提供油流通道的目标。
6)  acid fracturing treatment
酸压改造
1.
Based on the variation modes of operating curves of acid fracturing treatment, and the geological effects of the treatment, 4 appraisal systems have been suggested each of which corresponds to one of the acid fracturing modes, including no fracture have been created (type Ⅰ), fractures have just been created and then stop (type Ⅱ), fracture have been created.
深层碳酸盐岩储层酸压改造的目的就是让酸压裂缝与天然缝洞系统沟通。
补充资料:柱塞压铅机
分子式:
CAS号:

性质:无芯或软芯编织胶管和缠绕胶管管坯在硫化前包沿用的设备。柱塞压铅机有单柱塞和双柱塞两种,主要由主水压缸与横梁、立柱和底座等组成一个封闭的机架,以承受压力。盛铅筒和模座固定在底座上。工作时,熔融铅液注满盛铅筒并清除铅液表面氧化物后,主水压缸带动压铅杆下降停留在铅液面,当铅液温度调定后,压铅杆徐徐下降,将熔融铅液挤压输送到模座,当模座内通过胶管管坯时即可进行包铅。当压铅杆降至下限位置后,由回程缸提升复位。模座和盛铅筒均设有温控装置,并检测显示各部位温度。配置有熔铅炉、管坯导开装置和包铅胶管的卷取装置等附属设备时,可完成胶管的包铅作业。

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