approachingbalance

1 Well of Gucheng, including the optimizing structure design of well body section and the drilling technique of approachingbalance and method of coring, are introduced in this paper.

介绍了古城1井钻井技术,包括井身剖面结构优化设计、近平衡钻井技术和取心技术,这些技术的应用有效地解决了深层井难以开发的问题,取得了比较理想的效果。

The practices show that some methods like the stepped well killing and near balance drilling are adopted to make the drilling succeed in this area.

实施情况表明,在首先保证全井安全的情况下,采用分段压井、近平衡钻进等方法在该地区进行施工,钻井施工会顺利进行。

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

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

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