取芯井应该尽可能垂直钻探。
待取芯的地层包括第三纪砂层和页岩。
在取芯钻井井段，选用金刚石取芯钻头。
返浆试块的抗压强度约为取芯试块的60%。
The compressive strength is of returning fluid sample blocks is about 60% of coring blocks.
下金刚石取芯钻头。
下金刚石取芯钻头。
使用取芯钻头、取芯桶和岩心爪来完成取芯工作。
A core bit is used to accomplish this, in conjunction with a core barrel and core catcher.
适用于中硬地层，是适应性较广的取芯钻头之一。
Suitable for medium hard formations. It allows to be used in a wide variety of formations.
对早龄期混凝土取芯，测出其弯拉强度，作为抗裂限值。
Drill several cores at different ages of the early age concrete, then measure its flexural strength, take this flexural strength as the anti-cracking limits.
它适用于井下事故处理，也适用于钻井和取芯的中途测试。
It is used to treat well bottom accident and used to be on -the -way test in drilling and coring operation.
碎裂岩系；取芯率；双管单动钻具；钻具造型；钻探工艺。
Cataclasite series; Rate of core recovery; Single Rotary and Double Tube core Barrel, Structure of drilling tool; drilling technology.
根据测井和取芯资料建立了滩坝砂主要岩性的典型组合方式。
The typical lithological combination of bar sandstone has been established through detailed analysis of well logging and core data.
结果表明，在取芯井很少的情况下，可以得到比较满意的结果。
The result is much more satisfactory though there are fewer cored Wells.
这样允许钻头围绕岩石的中心圆柱体钻进，并通过钻头进入取芯桶。
This allows the bit to drill around a central cylinder of rock, which is taken in through the bit and into the core barrel.
通过钻井取芯、测井、投产表明，稠油加密井部分已被蒸汽水水淹。
Coring, logging and production of infill wells demonstrate that some heavy oil infillers have been watered out by steam condensated water.
综合分析了喇萨杏油田密闭取芯井资料，搞清了分类油层的水洗状况；
Through analyzing the hermetic core hole data in Lasaxing oilfield, water flushed zones has been figured out.
施工完成后，通过开挖探坑、取芯等检查，防渗墙接头、墙体质量均符合要求。
The inspection of completed impervious cores through excavating exploratory pits and core extraction shows that the quality of the impervious core body and its joints meets the design requirements.
主要探讨低应变动力检测法、钻孔连续取芯法在深层搅拌水泥桩检测中的应用。
In this paper, the application of low stress dynamic detecting and drillings to get continuous cores in the testing of deeply stirring cement piles is discussed.
塔里木油田首次在TZ4—36—16定向井斜井段采用双简取芯技术并获得成功。
Dual coring techniques were first successfully adopted in directional Well TZ436-16, Tarim Oilfield.
非取芯井的孔隙度能使用邻近井的反褶积因子确定，精度不低于数理统计方法的结果。
The porosity of non -coring well can be determined using the deconvolution factors of its adjacent coring wells.
通过在试验区块的运行，与相关的密闭取芯资料对比，确定可动剩余油的饱和度的误差范围。
Block in the test run, with the relevant core information confined contrast, moving the remaining oil to determine the extent of error saturation.
经无损检测和钻孔取芯检测，碾压沥青混凝土心墙的容重、孔隙率和渗透系数均满足设计要求。
Nondestructive detection and core sample detection show that the unit weight, porosity and permeability of the core are in accord with the design requirement.
这个项目将揭示甘毕采夫冰下山脉的形成线索，为科学家们将来进行取芯钻探活动提供最佳位置。
This project will reveal clues to how the mountains were formed and provide scientists with the best location for future ice core drilling campaigns.
我公司可提供：金刚石钻头系列、双心钻头系列、取芯钻头、钢齿牙轮钻头系列、镶齿牙轮钻头系列等。
Our company can supply: Diamond bit series, bi-center bit series, coring bit series, steel cone bit series, insert bit series, etc.
钻头通常属于刮刀型，装备有PDC或者天然金刚石切削齿，但取芯钻头的特别之处在于钻头中心有一孔。
The bit is usually a drag bit fitted with either PDC or natural diamond cutting structures, but the core bit is unusual in that it has a hole in its center.
介绍了美国和中国的两种保温保压取芯钻具的专利技术以及国内在此领域取得的一些成就，提出了一些设想。
Two patent technologies about apparatus for pressure coring are introduced and some achievements of China in this field are enumerated. At last, some questions are brought forward.
在介质软弱的情况下，钻孔取芯、取样很难实现；由于对混凝土芯样、土样产生扰动从而对检测结果产生影响。
It is difficult to bore and sample the core of rock in soft medium, and it will influence the results of test due to the disturbing of soil and concrete sampling.
取芯钻头不同的唇面形状、胎体配方可适应各种复杂岩层的取芯，所钻取的岩芯将为地质和工程研究提供可靠的数据。
Different lip shape and matrix formula of coring bit apply to various coring work in complex rock. The core can provide reliable data to geological and engineering research.
采用回弹法和钻取芯样法，对某综合楼上部结构混凝土强度和碳化深度进行了检测并对其上部结构进行了安全性评定分析。
Through resilience and core sampling drilling, we have examined the concrete intensity and the degree of carbonization and evaluated the safety of the upper part of an integrated building.
采用回弹法和钻取芯样法，对某综合楼上部结构混凝土强度和碳化深度进行了检测并对其上部结构进行了安全性评定分析。
Through resilience and core sampling drilling, we have examined the concrete intensity and the degree of carbonization and evaluated the safety of the upper part of an integrated building.
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