Such tight multilayer structure is to protect the fiber to prevent fracture and to prevent the intrusion of sea water.
这样严密多层的结构是为了保护光纤、防止断裂以及防止海水的侵入。
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。
Songliao Basin is a secondary lithologic trap including lithologic updip pinch out trap, diagenetic trap, tight reservoir trap and mud stone fracture trap.
松辽盆地次生岩性圈闭包括岩性上倾尖灭圈闭、成岩圈闭、致密储层圈闭以及泥岩裂缝圈闭等类型。
There was no positive result of apoptosis even given high dose of PAF, but tight junction fracture and cell ultra structure damage appeared under transmission electron microscopy.
实验并未发现PAF引起明显的细胞凋亡增加，但透射电镜下出现了紧密连接的断裂和细胞超微结构的破坏。
Fracture acidizing technology is important means to develop tight clastic reservoir in west of Sichuan, scientifically produce gas reservoir and increase productivity of oil & gas.
压裂酸化技术是川西致密碎屑岩气藏开发不可缺少的重要手段，同时也是科学开采气藏、增加油气产能的重要手段。
Fracturing is the key technology for deep tight reservoirs' stimulation, while abnormal formation fracture pressure always restricts successful fracturing of these reservoirs.
压裂是深层致密油气改造的关键技术，而破裂压力异常是制约这类储层压裂成功实施的技术难题。
The reservoir in upper Paleozoic of North-Dingbian block has the characteristics of low porosity, tight, high temperature, natural fracture and low natural production.
定北区块上古生界储层具有低孔、致密、高温、天然裂缝发育、基本无自然产能等复杂特征。
Its use had led to poor fracture height coverage and limited the formation-to-fracture contact areas, which are essential for production in tight formations.
使用滑溜水导致裂缝有效支撑高度较小，限制了储层-裂缝接触面积，不利于提高致密储层的产量。
Fracture is a main type of fluid flow path in tight reservoir rocks, and its development and distribution may control the formation of fractured hydrocarbon reservoirs.
裂缝是致密储层流体渗流的主要通道，裂缝的发育、分布规律控制着裂缝性油气藏的分布。
Fracture is a main type of fluid flow path in tight reservoir rocks, and its development and distribution may control the formation of fractured hydrocarbon reservoirs.
裂缝是致密储层流体渗流的主要通道，裂缝的发育、分布规律控制着裂缝性油气藏的分布。
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