介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。
YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.
砂岩粒径、塑性岩屑含量和煤系发育程度影响成岩压实减孔量，从而影响剩余原生粒间孔隙发育程度。
The diameter of sand, content of plastic clastic and development of coal measures play a role in decreasing pore and development of protogenic pore between grains during diagenetic compaction.
测试和实焊表明，带有斜孔导气装置的TIG气冷焊枪，保护性能稳定可靠，结构简单，具有推广价值。
The results show that the stable and reliable shielding gas can be obtained with a simple gas cooling TIG gun when it possesses oblique holes on the nozzle device.
研究区域内储层埋藏深、压实强烈，属于典型的低孔低渗储层。
In the studied area, the reservoirs, which buried deeply with strong compactness, belong to typical low porosity and low permeability reservoirs.
流花19 - 5气藏按气藏分类标准为高孔高渗气藏，储层岩石成岩性较差，具有中等压实。
Liuhua 19-5 gas field belongs to high porosity and permeability reservoir, poor lithology, medium or not strong compaction.
志丹地区侏罗系、三叠系储层是低孔、低渗储层，压实程度高，地质解释模型与测井解释模型拟合复杂。
The Jurassic and Triassic reservoirs in Zhidan area have low porosity and permeability, and are highly compacted.
该设备采用高压射流钻井工艺，具有钻进效率高、钻具结构简单、设计合理等特点。在两次现场试验中，成功地实钻了三眼定向孔。
The equipment applies high voltage jet drilling process, with characteristics of high drilling efficiency , simple structural drilling tool and reasonable design.
本实 用新型拨动推件由斜面推挤卡件退出头部的定位孔，以达快速插换的功 效。
The ejector in the utility model is turned so that the sloping surface can push the clasp out of the positioning hole of the head, therefore reaching the goal of rapid plug-in function.
压实作用和胶结作用是导致储层低孔低渗的主要原因。
The cementation and compaction were the key factors to make the reservoir low porous and permeable, an...
压实作用和胶结作用是导致储层低孔低渗的主要原因。
The cementation and compaction were the key factors to make the reservoir low porous and permeable, an...
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