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Development and application of turbodrills in hot dry rock drilling
Hot dry rock HDR drilling Geothermal drilling Turbodrill Field application
2018/3/23
The strata of hot dry rock (HDR) are usually igneous rocks with high temperature which are challenging for drilling activities. This paper deals with the key technology and research of turbodrills, in...
石油工程师协会中东钻井技术会议（SPE/IADC Middle East Drilling Technology Conference and Exhibition）
石油工程师协会 中东钻井技术 会议
2018/1/11
The theme for this conference is “Building on Today’s Efficiencies for Tomorrow’s Market.” This will be the basis for the technical agenda and discussion topics.Our industry is enduring one of its mo...
NSF-funded Antarctic drilling team is first to bore through hundreds of meters of ice to where ice sheet, ocean and land converge
NSF-funded Antarctic drilling team hundreds of meters of ice to where ice sheet ocean land converge
2015/3/4
Using a specially designed hot-water drill to cleanly bore through a half mile of ice, a National Science Foundation (NSF)-funded team of researchers has become the first ever to reach and sample the ...
The effectiveness of DustBubbles on dust control in the process of concrete drilling
DustBubble Respirable dust Respirable silica dust Concrete drilling
2012/3/26
Construction dust is one of the most concerned pollutants presenting risks to human health. Dust generated from concrete drilling, particularly true for silica dust, have an adverse effect on the heal...
Quantitative risk analysis of oil and gas drilling, using Deepwater Horizon as case study
Quantitative risk analysis Blowout Deepwater Horizon
2012/4/22
According to the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling, the Macondo blowout requires a reassessment of the risks associated with offshore drilling. The Commis...
Preparation of High Effective Flocculant for High Density Waste Drilling Mud
High Density Waste Drilling Mud Dispose Cation
2013/3/13
To satisfy the requirement on the separation of solid and liquid in waste drilling mud, prepare a high effective floccu-lant for high density waste drilling mud used starch, 2-Trimethylammonium ethyl ...
RESEARCH OF THE POSSIBILITY OF APPLICATION OF VECTOR QUANTISATION METHOD FOR EFFECTIVE PROCESS CONTROL OF ROCKS DISINTEGRATION BY ROTARY DRILLING
vibro-acoustic signal rotary drilling identification
2009/10/23
The subject of the paper is investigation of the properties of concurrent vibro-acoustic signal in the process of
rock massif separation with the method of rotary drilling. The aim is to investigate ...
基于虚拟仪器技术的微孔钻削实时监控系统（Real-time Monitoring System for Micro-drilling Based on Virtual Instrument Technology）
微孔钻削 实时监控 虚拟仪器
2009/9/11
为了防止微孔钻削过程中钻头折断，建立了基于虚拟仪器技术的微孔钻削实时监控系统。该系统以工业PC机为主控机，用霍尔电流传感器监测主轴电动机电流。采集的数据用LabVIEW语言编写的软件进行处理，实现了虚拟示波器、虚拟频谱分析仪、数字滤波器等功能。利用该系统以主轴电动机电流为监测对象进行了实验，根据钻头失效分布函数和可靠度函数的关系确定监控阈值，监测值超过给定阈值时自动报警退刀、提示换刀。实验结果证明...
Artificial Neural Networks Approach for Estimating Filtration Properties of Drilling Fluids
Static filtration Filtrate volume Permeability Artificial neural network
2009/7/28
Filtrate volume and permeability of filtercake are two main properties of drilling fluids. During this decade, various ways for estimating of them are proposed. In this study, a new approach based on...
Laser Micro Drilling Using a Nanosecond-Pulse Bessel Beam
Bessel beam Laser drill Pulse laser
2009/6/8
The feasibility was examined of using a Bessel beam (J0 beam) for laser micro drilling. A J0 beam, generated using a nanosecond pulse laser and an Axicon, was used to drill into 20 μm-thick SUS304 sta...
槽孔加工中钻杆系统的非线性运动与动力稳定性（Stability and Nonlinear Response of Drilling Shaft System in Deep Slot Hole Drilling）
槽孔 钻杆 非线性动力学
2009/5/22
考虑了切削力波动、质量偏心及切削液流体力对钻杆动特性的影响。在求解切削液动态流体力时，引入变分约束原理，在动力积分、迭代过程中实时形成修正的Reynolds方程变分形式的有限元方程及其扰动方程，同时求得了切削液流体力及其Jacobian矩阵，并且使其具有相互协调一致的精度。在求解钻杆系统非线性动力学响应时，通过改变系统的时间尺度, 使系统周期轨迹的周期显式地出现在系统方程中，并将周期也作为一个参数...
DTA (Drilling Training Alliance) in Houston, USA owned by Chevron and BP started to hold Deepwater Completions Workshop in July 2003. The Workshop includes lectures and discussions in all aspects re...
A review of petroleum system in the deep water area of the Toyama Trough to the Sado Island in the Japan Sea, based on the results of the METI Sado Nansei Oki drilling
petroleum system Toyama Trough METI Sado Nansei Oki methane hydrate oil seepage oleanane
2009/5/7
The petroleum system in the deep water of the Toyama Trough to the southwest offshore of the Sado Island in the Japan Sea was considered based on the analytical results of METI Sado Nansei Oki S and ...
Experimental study on cuttings transport in drilling directional wells
drilling directional well experiment cuttings transport critical flow rate
2009/5/7
Cuttings transport behavior in drilling directional wells was experimentally investigated using a once-through type large-scale flow loop apparatus, the Cuttings Transport Flow Loop System (CTFLS) i...
Engineering and application of the new drilling technology in JAPEX- First utilization of SBM in Japan -
synthetic base mud drilling technology rig modifi cation
2009/5/6
Drilling operations change along with the improvement in both drilling hardware and software developments in worldwide basis. To cope with the field specific problem or establish effi cient operatio...