This paper elaborates the situation of development and application of high-density drilling fluids,analyze the technology and performance,discusses the reasons of downhole complications and reservoir protection technology,and points out the existing problems of current high-density drilling fluids and the development trend.
结合现场施工情况和文献调研结果,对引起井下复杂情况发生的原因以及保护油气层技术作了探讨。
Reliability analysis and risk assessment of casing in complex well status are the important research of applied theory and technology used for evaluating reliability, safety and prospective life of casing in complex well status including many risk factors, furthermore, preventing effectively casing failure, increasing casing reliability, lengthening casing life.
复杂井况下套管的可靠性分析与风险评估是全面评价套管在多因素复杂工况井中的安全可靠性能和预期寿命,有效预防套管失效,提高套管可靠性,延长套管寿命的重要应用型理论与技术研究工作。
Hybrid algorithm for three dimensional Bin Packing problem under complex condition;
复杂情况下的三维集装箱装载问题混合算法
Well Drilling Incidents and Countermeasures in Majing Gasfield,Western Sichuan
川西马井气田钻井复杂情况及治理对策
Research and improvement of complexity treatment techniques for sidetracked hole reaming
侧钻井扩孔复杂情况处理技术探讨与完善
Also not include the consumption for complex circumstance, such as blow-out, loss circulation etc.
也不包括井喷、漏等复杂情况的材料消耗。
Increase mud weight and adjust as required as hole conditions dictate.
根据井眼情况，按要求提高钻井液密度或处理钻井液。
Study on the Knowledge Integration and Decision Support Platform for Complicated Deep Well Drilling
复杂深井钻井知识集成与决策支持平台研究
IMPROVING THE RATE WHILE DRILLING DEEP,OR ULTRA DEEP WELL IN THE COMPLEX GEOLOGICAL STRUCTURE OF EAST SICHUAN
提高川东复杂地质深井超深井机械钻速的研究
A factor, a condition, or an element that complicates.
复杂情况一个复杂的因素、情形或元素
Most subway stations in Shanghai were constructed in succession, in which the end well of station was designed relatively big.
介绍了地铁车站端头井在周边环境复杂、度大且支撑体系复杂情况下的施工方案。
troublesome zone
易发生复杂情况的层带
The case is more complicated in China.
在中国情况比较复杂。
the complex tissue of myth and fact
虚实交错的复杂情况.
Reality was more complex.
实际情况则比较复杂。
Response Study of Electromagnetic Logging While Drilling in Complicated Heterogeneous Strata
非均匀复杂地层随钻电磁波测井响应研究
STUDY ON SAFE AND HIGH EFFICIENT DRILLING TECHNIC IN BAD GROUND OF JIDONG OILFIELD
冀东油田复杂地层安全高效钻井技术研究
Improve drilling technology for complex reservoirs by seismic inversion
利用地震数据反演改进复杂油藏钻井工艺
Drilling Fluid Technology for Wells Drilled in Kuche Sag to the South of Tianshan Mountain.
天山南库车凹陷复杂构造带钻井液技术
mixed oil drilling rig
复合式石油钻井钻机
Calculation of casing system reliability in complex well condition
复杂井况下油井套管柱的系统可靠性计算