查询词典 well drilling

The well drilling wastewater is characterized by broad area,large quantity,complex ingredient,and big differences of water qualities.The present wastewater treatment technologies have problems,such as high expenses,low efficiency and the effluent water quality can not meet the discharge requirement of the relevant enterprises.

针对目前油气田产生的钻井废水具有面广、量大、成分复杂、水质差别大，而现有的污水处理工艺处理费用高、效率低下、且其外排的水质已不能满足相关排放要求的特点，研究出一套适合于钻井废水处理的移动式工艺流程，并对工艺的装置进行优化。

This method displays the whole process of the contact between drill stem and well wall, and gives contact points and contact forces. It provides a reliable and practical aidlifetime of the drill stem. The method presented in this paper may also be adapand extended reach well drilling.

为实钻时，防止钻柱磨损和对钻柱寿命的预测提供了依据，对钻柱的结构设计以及钻柱力学的研究具有一定指导意义，本方法适用性强也可应用于定向井、大位移井等同类问题的研究。

Based on the identification of the sequence boundry with the comprehensive analyses of the seismic, well logging and well drilling data, the palaeogene in Jiyang depression can be divided into one lst-order and three 2nd-order sequences, of which six 3rd-order sequences can be subdivided from the third stage of Shahejie formation to Dongying formation.

本文在综合利用地震、声波时差测井、地层倾角测井、电阻率测井、岩心、地球化学等方法进行层序地层界面识别的基础上，将济阳坳陷古近系划分出1个一级层序，3个二级层序，其中沙三段-东营组分出6个三级层序。

Well drilling in a salt formation is a problem in drilling,while accurately establishing the mud density and undersaturation is the key for solving the problem.

盐层钻井是钻井技术中的难题，准确确定钻井液密度及含盐欠饱和度是解决难题的关键。

The quantitative study is conduted on the XRD data of clay minerals in 15 mudstone samples from the Well Ancan 1 in Hefei Basin, and the testing results of illite crystallinity and illite/smectite interlaying reveal the stratigraphical diagenesis degree and thermal evolution degree of the strata met by the deep well drilling.

文章对合肥盆地安参1井内15个泥岩样粘土矿物进行了X射线衍射分析，从获得的伊利石结晶度和伊／蒙混层比测试结果，揭示了该深井所钻遇地层的成岩程度和热演化程度。

The bridge straine spread and applied in the water well drilling is a new technique in recent years. But some users have not fully understood about the performance and indication of bridge straine and made a lot of declinations in the course of choice and case to lead to the fail of bridge straine or tubed well.

供水井桥式滤水管推广应用是近几年的新技术，不少使用者对桥式滤水管的性能指标不十分了解，在选择和下管的过程中出现了不少偏差，导致了桥式滤水管或管井的报废，造成了严重的经济损失。

During well drilling, LWD monitoring device, comprehensive logging device, cutting logging, seismic interpretation, geologic models, and many other technical measurements had been used for real-time monitoring and comprehensive analysis. What had been done helped geosteering, and the putting forward of drilling track. The horizontal wells drilled in ultra thin single sand layer with the thickness of less than 2m, and the penetration rate for sandstone was higher.

在现场钻井过程中，采用LWD监控仪、综合录井仪、岩屑录井、地震解释、地质模型等多种技术手段相结合，实时监控，进行综合分析，为地质导向提供依据，并准确地指导了钻井轨迹运行，实现了在不到2m的超薄单砂层中穿行，达到了较高的砂岩钻遇率，并成功的穿越了小断层，实现了二次着陆。

This article in the collection analyzes the domestic and foreign high speed roller bit bearing research pertinent data in the foundation, in view of the present high speed roller bit bearing in the field application existence's question, through to the roller bit bearing main failure mode and the reason analysis, found the extension roller bit service life the theory basis, uses the method which the theory and the experiment unified to develop to the roller bit bearing surface strengthening technology as well as the bearing enclosure system's preliminary study, has provided a new mentality and the method for roller bit's design, further impelled the modern well drilling processing technology the development.

本文在收集分析国内外高速牙轮钻头轴承研究有关资料的基础上，针对目前高速牙轮钻头轴承在现场应用存在的问题，通过对牙轮钻头轴承主要失效形式和原因的分析，找到延长牙轮钻头使用寿命的理论依据，采用理论与实验相结合的方法开展了对牙轮钻头轴承表面强化技术以及轴承密封系统的初步研究，为牙轮钻头的设计提供了一条新的思路和方法，进一步推动现代钻井工艺技术的发展。

ABSTRACT : Hole cleaning is one of the key techniques in extended reach well drilling.For extended reach well,the cuttings bed is the key factor restricting hole cleaning.

摘 要 井眼净化，是大位移钻井的关键技术之一；大位移井中，岩屑床是制约井眼净化的关键性因素。

It is of great importance for the sustainable development ofoil-gas well drilling to treat drilling wastewater by economical and effective methods.

如何采用经济有效的方法处理废弃钻井液，对油气井开采业的可持续发展具有重要意义。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。