The paper presents drilling progresses and main technical challenges for deep and ultra-deep wells, analyzes deep and ultra-deep drilling-technique actualities worldwide from seven aspects including drilling geological descriptions and evaluations, rapid-vertical drilling techniques, ROP improvement, mud, cementing, drilling information and drilling equipment.
介绍了国内外深井超深井钻井的发展历程及主要技术难点,从钻井地质环境因素描述与评价技术、防斜打快技术、提高钻井速度技术、钻井液技术、固井技术、钻井信息技术及钻井装备7个方面详细分析了国内外深井超深井钻井技术现状,并简单探讨了我国深井超深井钻井技术存在的主要问题及与国外先进水平的差距,指出深井超深井钻井技术会朝着集成化、智能化、信息化和自动化方向、有利于提高钻井效率的方向及有利于提高油气采收率的方向发展,并对我国深井超深井钻井技术的发展提出了建议。
This paper describes the effects of hydraulic energy for deep drilling, discusses some key problems on the study and applications of hydraulic power for deep drilling.
从深井水力能量分析入手,阐述了深井水力能量利用应重视和研究的问题,探讨充分利用水力能量,提高深井钻井速度的可行途径。
Based on the investigation of various deep drilling techniques in which the depth exceeds 4,500 metes in the recent twenty five years, it is considered that the drilling techniques during US and North Sea of Europe are the advanced in the world and there is a tenyear gap between them and former Soviet Union and China.
通过对国内外近25年来井深超过4500m的各种各样深井钻井技术与经济情况的调研分析,认为美国和欧洲北海地区深井钻井技术居领先水平,前苏联和我国与国际先进水平有10年以上差距。
Such key deep well drilling problems caused by the complex geology circumstances have been tacklied in Zhongyuan Oilfield; Therefore, a series of supporting teech-niques of casing programming for a deep well, combined drilling with a PDC bit and a downhole motor, vertical drilling, mud, cementing and well control, etc have been developed.
深井钻井具有裸眼段长、井底温度高、岩石可钻性差、机械钻速低、井眼易失稳等问题。
Testing method of the impacting force of drilling pump valve in the course of valve closing;
钻井泵阀冲击力的应变测试方法
In view of the characteristic of severe erosion and abrasion in the drilling pump valve,the flow field of the play of it by FLUENT was simulated and computed in this paper.
针对钻井泵阀冲蚀磨损严重的特点,利用FLUENT软件对钻井泵阀隙内流场分布进行了仿真计算,得到阀隙流场在某一时刻泥浆流速的分布规律。
According to the impact fatigue failure appeared in drilling pump valve,the mechanical characteristic and effect degree of the maximum stress concentration spot when the impact of pump valve happens were mainly studied,hence a non-impact working condition of drilling pump valve based on the effects of stress concentration was put forward.
针对钻井泵阀的冲击疲劳破坏,重点研究了泵阀冲击时产生最大应力集中部位的受力特征及其影响程度,提出了基于应力集中影响的钻井泵阀无冲击工作条件。
Material Selection and processing of small gear shaft in drilling pump;
钻井泵小齿轮轴的选材与加工
Application of demodulated resonance and fuzzy distinguishing technique to fault diagnosis of bearings in drilling pump;
共振解调和模糊识别技术在钻井泵轴承故障诊断中的应用
To meet test requirement for larger power and ultra-high pressure mud pump(52 MPa),a new AC VFD test stand is designed and developed to upgrade the testing capability.
针对大功率、超高压(52 MPa)钻井泵的试验问题,设计了采用交流变频控制技术,提高试验能力的试验台架。
After carefully researched the actual problem, we designed the power switch system for the mud pump electric power system of 70DS.
从钻井生产中所遇到的实际问题出发,设计出了一套可以满足实际生产需求的电动钻机钻井泵用动力切换装置,是解决问题的有效办法。
When using the mud pump in the oilfield,the high pressure mud often damages the valve covers due to erosion or stab action,such result in mud ejecting leakage,which makes the mud pump stop working for repairing.
钻井泵在使用中经常出现高压泥浆冲蚀或刺坏阀盖喷射泄漏事故,造成钻井泵停机维修。
Study and Application of Ultra-deep Well Drilling in Well Yuanba-1
元坝1井超深井钻井技术研究与应用
Design Optimization of Drilled Shaft Lining Structure in 1000m Deep Shaft
千米深井钻井法凿井井壁结构设计优化
NEW DRILLING IDEA OF ABNORMAL ULTRA-HIGH PRESSURE DEEP DRILLING APPLIED IN GUANDU STRUCTURE
官渡构造异常超高压深井钻井新思路
MATCHING TECHNOLOGY OF DEEP DRILLING IN BZ25-1 OFFSHORE OILFIELD
渤中25-1油田深井钻井配套技术
HORIZONTAL WELL DRILLING TECHNOLOGY USED IN HIGH-PRESSURE DEEP WELLS IN KAZAKSTAN
哈萨克斯坦高压深井水平井钻井技术
660m depthdrilling shaft lining structure design and analysis of main shaft Ban Ji mine
板集主井660m深钻井井壁结构设计分析
Drilling Fluid Technology for MPD in Moderate and Deep Well in Binhai Oilfield.DFCF,
滨海油田中深层控压钻井钻井液技术
Study on Vertical Structural Stability of a Super-deep Drilled Shaft in Slurry
泥浆中超深钻井井壁竖向稳定性分析
Technology on Anti-High Temperature and Anti-Sloughing Drilling Fluid Used in Deep Well in Yumen Oilfield
玉门油田深井抗高温防塌钻井液技术
Drilling Fluid Technology for Ultra Deep Horizontal Well in Puguang Gas Field.
普光气田超深水平井钻井液工艺技术
Study on Deepwater Drilling Wellhead Stability Analysis of West Africa JDZ-2-1 Well
西非JDZ-2-1井深水钻井井口稳定性分析研究
Cementing technology for Yuanba No.1–side1 deep side tracking well
深部开窗侧钻井元坝1-侧1井固井技术
DRILLING TECHNOLOGY OF THE DEEPEST DIRECTIONAL WELL-LONGGANG 8 IN SICHUAN
四川超深定向井龙岗8井钻井技术实践
Application of short radius horizontal well drilling technology in ultra-deep well in Tahe oilfield
小井深超深短半径水平井钻井技术在塔河油田的应用——以TK1105CH井为例
Determination of Safe Window of Drilling Fluid Density for Deepwater Drilling
深水钻井安全钻井液密度窗口确定方法研究
Discussion on full face pull construction technology of the deep mine shaft drilling method
深立井钻井法全断面一次钻进施工技术的探讨
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
Application of disc brake on deep and ultra-deep drilling rigs
盘式刹车在深井及超深井钻机上的应用