Bottomhole pressure control technology in underbalanced drilling;
欠平衡钻井井底压力控制技术
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
The new well control device for underbalanced drilling process;
欠平衡钻井过程中的井控新设备
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
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
Practical drilling fluid technology for under-balanced drilling;
实用欠平衡钻井钻井液技术
Study of free clay phase oil in sea water drilling mud used in under balanced drilling;
欠平衡钻井无粘土相海水水包油钻井液研究
Therefore, using aerated drilling fluids and under balanced drilling techniques can not only meet with the geologic requirements but also ensure the normal drilling.
为此 ,采用充气 (氮气 )钻井液欠平衡钻井技术 ,满足了地质要求 ,保证了正常钻进 ,这是国内首次成功采用充气钻井液欠平衡压力钻井技术解决严重井漏的井例。
Low density drilling fluid is used for under balanced drilling.
欠平衡钻井采用低密度钻井液,中子孔隙度的测井响应和常规井眼流体有一定差异。
A brief analysis of mud logging operation during underbalance drilling;
欠平衡钻井条件下的录井作业浅析
Some forward requirements for the identification and evaluation of geological logging with drilling gas-bearing reservoirs have been carried out by the application of underbalance drilling technology.
欠平衡钻井是天然气钻探最有效的钻井工艺技术之一,在大港、大庆油田等勘探区域成效显著。
While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.
国内欠平衡钻井普遍实施 ,要用到的旋转防喷器是关键设备 ,技术含量高。
Using under balance pressure drilling technique aims at preventing the mud loss and pollution of Palaeozoic limestone reservoir in this area and therefore protecting oil reservoir.
该井四开钻探过程中成功地采用欠平衡钻井技术钻穿寒武系凤阳山组,以防止该区古生界灰岩储层发生井漏及储层污染,从而保护油层。
It is discussed that the feasibility and necessity of under balance pressure drilling technology using in coalbed gas development in China,considering the characteristics of coalbed gas reservoir and coalbed gas well in China.
结合我国煤层气储层及煤层气井的特点 ,探讨了在我国煤层气地面开发中利用欠平衡钻井技术的可行性和必要
Selection of cutting carrying medium is very important for unbalanced drilling,which should protect oil & gas reservoir and keep the borehole stability.
采用何种流体作为携岩介质,既能保护油气层又能保持井壁的稳定是欠平衡钻井的关键。
To solve these technical problems,research work on wellbore optimization,bit selection,unbalanced drilling,high-pressure jet drilling were conducted.
为解决潜山油藏钻井过程中的技术难题,文中从井身结构优化、钻头选型、欠平衡钻井技术、高压喷射钻井等方面进行了研究,通过在长3平2、文古3等井现场应用,取得了较好的提速效果。
To ensure safe drilling and protect reservoir, through research and optimization of the unbalanced drilling technology, the "offshore pressure-controlled drilling technology" is put forward, the focus of which is to realize micro-overbalanced drilling by using unbalanced drilling equipment, lowering drilling fluid density, and adjusting the wellhead casing pressure.
欠平衡钻井技术作为一项钻井新技术已经在我国陆地多个油田进行了实施,然而在海洋钻井中采用欠平衡钻井技术却存在诸多风险。
Mud logging technology under the underbalanced drilling
欠平衡钻井条件下录井技术方法探讨
Practice and Experience on Under-balanced Drilling with Nitrogen-foam
DF1井氮气泡沫欠平衡钻井实践与认识
The Application of RBF Neural Network in Under-balanced Drilling
RBF网络法在欠平衡钻井中的应用
Dynamic Simulation Study of Gas-Liquid Two-Phase Flow for Underbalanced Drilling
欠平衡钻井气液两相流动态模拟研究
APPLICATION OF AERATED UDERBALANCED DRILLING TECHNOLOGY IN TONGNANBA AREA
通南巴地区充气欠平衡钻井技术应用
Optimization of annular gas injection technology in coalbed methane aerated under-balanced drilling
煤层气欠平衡钻井环空注气工艺优化
Application of underbanlanced drilling in Block 10, Yemen
欠平衡钻井技术在也门10区块的应用
Application of underbalanced drilling techniques in Chang 6 well in Raoyang sag
欠平衡钻井技术在冀中饶阳凹陷长6井的应用
The distinction of on-site oil and gas shows under the condition of the under-balanced drilling fluid with the oil-in-water in Well CG2
CG2井水包油钻井液欠平衡钻井现场油气显示识别
Effect of Drilling Fluid Density on Neutron Porosity in Underbalanced Drilling
欠平衡钻井条件下钻井液的密度对中子孔隙度测井的影响
The Application of a Low Density Oil-in-Water Drilling Fluid in Under-balanced Drilling in Buried Hill Structures
低密度水包白油钻井液在潜山欠平衡钻井中的应用
Application of the Under-balance Drilling Technology in CBM Exploration and Development
欠平衡钻井技术在煤层气勘探开发中的应用
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
The method for distinguishing oil and gas zones for under-balanced drilling
欠平衡钻井条件下油气层判别方法研究
Inversion of Overflow and Leakage of Reservoir in Under -balance Drilling
欠平衡钻井过程中地层溢流量与漏失量的反演
Application of Foam Underbalanced Drilling Fluid in Mesozoic Strata
泡沫欠平衡钻井液在中生界地层的应用
Classifications of Underbalanced Drilling and Researches on Reservoir Screening Methodology
欠平衡钻井技术新分类与油藏筛选方法研究
Research on gas-liquid flow rate optimization in foam underbalanced drilling
泡沫欠平衡钻井气液流量组合优选研究