论述了水井井周渗透性降低的原因，从钻井方法、冲洗液性能、建立人工过滤层、洗井等方面探讨了改善渗透性的措施。
Measures to improve perrne- ability reduction are discussed in terms of the drilling method, fluid properties, artificial infiltration layer, and well flushing, etc.
以前钻井深度只能达到1000英尺，但由于有了新的抽水方法，现在可以抽取比这更深的水。
Previous drilling of wells could only reach depths of 1,000 feet, but due to new pumping practices, water deeper than this can now be extracted.
近岸钻井似乎是一个合情合理的可以方便地得到产品的方法，但需要特殊的保卫措施。
Offshore drilling seems like a sensible way to obtain a very handy product.Extra safeguards may be needed.
近岸钻井似乎是一个合情合理的可以方便地得到产品的方法，但需要特殊的保卫措施。
Offshore drilling seems like a sensible way to obtain a very handy product. Extra safeguards may be needed.
在原有的钻井技术中加入新方法后，天然气可以从离地表一英里甚至更深的未曾开发的柔软岩层中被开采出来。
Drillers have combined old technologies into new methods of extracting this natural gas from the previously untapped soft rock layer a mile or more beneath the surface.
砂岩和石灰岩是石油天然气钻井破岩的主要对象，它的物理力学性质已有系统的测定方法和定量分级。
Sandstone and limestone are the main targets cut by oil and gas well drilling and for their physical mechanical property there have been systematic determination method and quantitative gradation.
能支持你们校正钻井技术的一种好方法是利用放射式钻头。
A good way to help you to improve drilling technique is to use a jet chunk.
采用该方法得到的井身轨迹资料更符合实际，提高了钻井的准确性。
The data of well tracks obtained by adopting this method are more realistic and the drilling accuracy is thus improved.
用这种方法估算的基底深度与钻井探明的深度之间的差别，平均起来不超过5。
The discrepancy between basement depths estimated by this means and those indicated by drilling has been on the average no greater than 5 percent.
因此，本方法应用能满足探井和开发井钻井工程需要。
So, the application of the method could meet the need of drilling engineering of exploration well and development well.
天然蒸气田所含有的热能可以通过钻井的方法，即打适当数量的井孔到达热储的方法进行开采。
The heat contained in a natural steam field is exploited by drilling a suitable number of Wells down to the reservoir.
这种预测方法可以作为钻井时防止井下事故的辅助手段之一。
This prediction method can be used as one of the auxiliary measures used for preventing downhole accidents while drilling.
水井钻井工可能会专注于一个特定的钻探方法，如电缆，旋转，钻，锤或反向循环钻探。
Water well drillers may specialize in a specific method of drilling, such as cable, rotary, auger, hammer or reverse circulation drilling.
本文应用多元统计方法，利用地震属性并辅以钻井、测井资料对某地区某层段砂岩的厚度和孔隙率进行了横向预测。
The horizontal prediction of thickness and porosity of a sand member in a region was made by applying multivariate statistical method to seismic attribute, drilling and logging data.
研究了甲基硅酸钾的合成方法及其在油田钻井中的应用。
The synthetic method of potassium methyl silicate and its application in oil-well drilling were investigated.
由于钻井数据的误差较大，使得用简单的方法往往不能有效地提取工程设计和现场施工所需的信息。
The errors of drilling data are so big that simple methods often can't acquire necessary information, which is used in drilling engineering plan and site construction.
基于弹性力学理论及岩石摩尔-库仑强度破坏准则，提出了欠平衡钻井条件下井径扩大率的预测方法。
Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling.
甲方钻井代表和带班队长计算必要的压井控制参数，启动压井程序。还要决定压井要使用的方法。
The Operators drilling representative and the Toolpusher calculate the necessary kill control parameters and have the kill procedures initiated. The method to be used will also be decided.
采用这种方法可节约海上钻井成本，缩短建井周期，获得显著的经济效益和社会效益。
The approach can decrease drilling cost and reduce drilling period, realize great economic benifit in offshore drilling operation.
着重论述了水平井段欠平衡钻井负压差值的选择依据，以及泡沫流体各参数的设计方法。
How to select the proper different pressure of UBD in the horizontal part of the well was discussed in this paper, as well the design of foam parameter.
实践表明，这种方法便于在钻井现场实施。
Practice shows this method is convenient to carrying out oil tile drilling site.
综合钻井、测井和地震资料，用层序地层学方法进行沉积相研究是油气勘探的基础。
Sedimentary facies study integrating drilling, log and seismic data and using sequence stratigraphy is a base of petroleum exploration.
随着地球物理勘探方法的不断完善，以及钻井资料的持续积累，对盆地的研究亦随之深入。
With the methods of geophysics exploration getting more perfect and well data continual accumulating, researches of basins' have gone deeply.
采用化学成分分析、力学性能测定、金相检验以及断口宏、微观分析等方法，对钻井泵齿轮轴断齿进行了分析。
Fracture tooth of gear shaft in well drilling pump was analysed by chemical analysis, mechanical testing metallographic examination macro and microfractography.
由于研究区内钻井很少穿过断层，运用常规方法研究该区断层侧向封闭性具有一定困难。
Although there have been many methods to study the capacity of lateral sealing , the evaluation on the lateral sealing of faults in the research region is very difficult.
通过井下水力压裂方式将钻井废弃物回注到地下是目前海上油气开发钻井废弃物处理最优方法，不仅成本低，而且可以实现废弃物零排放。
The drilling waste being injected to underground by hydraulic fracturing is the optimal treatment method of drilling waste on offshore oilfield for its low costs and zero discharge of waste.
如果预计到只能通过钻井、挖掘或运送的方法获得水源，那这个地点就不能选择：因为钻井有可能不现实或者不能提供足够的用水。
A site should not be selected on the assumption that water can be acquired merely by drilling, digging, or hauling. Drilling may not be feasible and may not provide adequate water.
如果预计到只能通过钻井、挖掘或运送的方法获得水源，那这个地点就不能选择：因为钻井有可能不现实或者不能提供足够的用水。
A site should not be selected on the assumption that water can be acquired merely by drilling, digging, or hauling. Drilling may not be feasible and may not provide adequate water.
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