1) under-balanced logging
欠平衡测井
1.
Under-balanced drilling and under-balanced logging are very important techniques for directly identifying and protecting hydrocarbon reservoirs and enhancing productivity.
欠平衡钻井和欠平衡测井技术对于直接发现和保护油气层、提高单井产能和勘探开发成功率具有非常重要的意义。
2) Underbalance
欠平衡
1.
The Research of Underbalance Drilling Technology Applying in Daqing Oil Field;
大庆油田欠平衡钻井工艺技术应用的研究
2.
When the sandstone gas reservoir is drilled open by the underbalanced drilling using water based mud (WBM), the underbalance pressure normally can hardly offset the imbibition capillary force of the rock, which may result in backwash imbibition.
采用水基钻井液欠平衡钻开砂岩气层时,欠平衡压差往往并不能完全抵消岩石的自吸毛细管力,从而产生逆流自吸效应。
3.
With application of underbalanced drilling technology, how compound logging adapts the development and challenge of the new technology as soon as possible has become an important study tasks in the logging field.
随着欠平衡钻井技术的应用,综合录井如何尽快适应这一新技术的发展和挑战,已成为录井界面临的重要研究课题之一。
3) under-balanced
欠平衡
1.
Application of comprehensive mud logging parameters in interpretation & evaluation of the under-balanced well gas layers;
综合录井参数在欠平衡井气层解释评价中的应用
4) under balance
欠平衡
1.
There are 4 big difficult problems in perforations under balanced well: perforation under wellhead pressure,snubbing operation throughout perforating process,low confining pressure perforating operation and the fullbore string convenient for the following operations.
欠平衡钻井条件下配套的射孔技术具有四大射孔难题:井口带压作业、全过程不压井作业、低围压射孔作业及便于后续作业。
2.
Under balance drilling is paid great attention to by people for it is favourable for discovering and protecting oil and gas reservoirs,raising drilling speed,reducing cost and lessening drilling lost circulation and differential pressure sticking.
欠平衡钻井由于有利于发现和保护油气层、提高钻速、降低成本 ,减少井漏及压差卡钻等复杂情况 ,而受到人们的高度重视。
5) under-balanced drilling
欠平衡钻井
1.
Gas acquisition and interpretation & evaluation under under-balanced drilling;
欠平衡钻井条件下气体采集与解释评价
2.
Effect of annular cuttings on negative pressure in under-balanced drilling process;
欠平衡钻井环空岩屑对井底负压的影响
3.
Practical drilling fluid technology for under-balanced drilling;
实用欠平衡钻井钻井液技术
6) underbalanced drilling
欠平衡钻井
1.
Bottomhole pressure control technology in underbalanced drilling;
欠平衡钻井井底压力控制技术
2.
The prediction technology of hole enlargement ratio in the condition of underbalanced drilling;
欠平衡钻井条件下的井径扩大率预测技术
3.
The new well control device for underbalanced drilling process;
欠平衡钻井过程中的井控新设备
参考词条
补充资料:平衡力测转矩法
分子式:
分子量:
CAS号:
性质:测量转轴输出转矩的方法之一。平衡力是指当转轴作匀速转动时,在它所受转矩的同时必在其机体上也受到了方向相反的平衡力矩(或又称支座反力矩),若能有效地测得机体上的平衡力矩就可确定机器主轴上所受转矩的大小。测量装置如图所示,当主轴有转矩T作用时,可在力臂杆长为L处添加砝码,从而形成反力矩M(=F·L),一直达到M与T平衡时,就可确定轴的转矩T(= - F·L)。这种方法简单、实用,在科学实验中有着广泛的应用,其缺点是要求测轴应匀速运转,而且主轴的反力矩需由机体传递。
分子量:
CAS号:
性质:测量转轴输出转矩的方法之一。平衡力是指当转轴作匀速转动时,在它所受转矩的同时必在其机体上也受到了方向相反的平衡力矩(或又称支座反力矩),若能有效地测得机体上的平衡力矩就可确定机器主轴上所受转矩的大小。测量装置如图所示,当主轴有转矩T作用时,可在力臂杆长为L处添加砝码,从而形成反力矩M(=F·L),一直达到M与T平衡时,就可确定轴的转矩T(= - F·L)。这种方法简单、实用,在科学实验中有着广泛的应用,其缺点是要求测轴应匀速运转,而且主轴的反力矩需由机体传递。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。