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    A comparison of the tunnel ventilation systems for railway tunnels and road tunnels

    Chiu, T. / Wong, C.W. / Lai, S. | Tema Archive | 2003
    and fire emergency operations. Even though the design bases are similar, there are differences in the approaches in designing the TVS for ...

    Aerodynamic aspects of a high-speed railway station with adjoining tunnels

    Wu, D. / Chiu, T. | Tema Archive | 2003
    of high-speed train operations is a major area of concern. As such, in the town planning stage, there is a tendency to specify that sections ...

    A Multifunctional Drilling Fluid for Coalbed Methane Drilling

    Zheng, Li-Hui / Zhang, Ming-Wei / Lin, Yong | Tema Archive | 2012
    solve the formation water production, cavings, completion and other operations. 10 wells application of using the Fuzzy-Ball drilling fluid to ...

    A navigation system for automated loaders in underground mines

    Larsson, Johan / Broxvall, Mathias / Saffiotti, Alessandro | Tema Archive | 2006
    For underground mining operations human operated LHD (Load-Haul-Dump) vehicles are typically used for transporting ore. Because of security ...

    An open and shut valve case

    Tema Archive | 2002
    system helps keep wells healthy during batch drilling operations, in underbalanced completions and in wells where a reliable, bidirectional ...

    A power flow method for evaluating vibration from underground railways

    Hussein, M.F.M. / Hunt, H.E.M. | Tema Archive | 2006
    One of the major sources of ground-borne vibration is the running of trains in underground railway tunnels. Vibration is generated at the ...

    Application of rock mechanics to HPHT and horizontal well drilling and completion: A case study

    Ray, P.L. / Goodman, H.E. / Perrin, V.P. | Tema Archive | 1998
    operations, especially for high-pressure/high-temperature (HPHT) wells, horizontal wells and openhole completions. The rock mechanics algorithm (RMA ...
    Publisher: Society of Petroleum Engineers (SPE) , Richardson

    A Study of Downhole Drillable Pulsing Cementing Device with Low Frequency Self-Excited Hydraulic Oscillation and its Field Application

    Nie, Cui-Ping / Ye, Deng-Sheng | Tema Archive | 2012
    Usually we pay more attention on how to improve gas well cementing quality in engineering design and field operations, and there are so ...

    A study on optimal sizing of pipeline transporting equi-sized particulate solid-liquid mixture

    Asim, Taimoor / Mishra, Rakesh / Pradhan, Suman et al. | Tema Archive | 2012
    Pipelines transporting solid-liquid mixtures are of practical interest to the oil and pipe industry throughout the world. Such pipelines ...

    Biology-inspired precision maneuvering of underwater vehicles-Part 3

    Kato, Naomi / Liu, Hao / Morikawa, Hirohisa | Tema Archive | 2005
    This paper describes the results in the third year of a multi-year program to develop an improved understanding of the practical ...

    Blind predictions of laboratory measurements of vortex-induced vibrations of a tension riser

    Chaplin, J.R. / Bearman, P.W. / Cheng, Y. et al. | Tema Archive | 2005
    This paper compares laboratory measurements of the vortex-induced vibrations of a riser in a stepped current with blind predictions ...

    Comparison of seat designs for underground mine haulage vehicles using the absorbed power and ISO 2631-1(1985)-based ACGIH threshold limitmethods

    Mayton, Alan G. / Amirouche, Farid / Jobes, Christopher C. | Tema Archive | 2005
    Based on prior mine vehicle studies of operators' exposure to whole-body vibration, researchers from the National Institute for ...

    Composite riser technology advances to field applications

    Tema Archive | 2001
    drilling operations, at the Statoil AS-operated Heidrun TLP (tension-leg platform) in the Norwegian Sea. During the test, a 15-m joint of the new ...

    Coupled boundary and finite element analysis of vibration from railway tunnels - a comparison of two- and three-dimensional models

    Andersen, L. / Jones, C.J.C. | Tema Archive | 2006
    The analysis of vibration from railway tunnels is of growing interest as new and higher-speed railways are built under the ground to ...

    Detection of Overhead Contact Lines with a 2D-Digital-Beamforming Radar System for Automatic Guidance of Trolley Trucks

    Harter, Marlene / Schipper, Tom / Zwirello, Lukasz et al. | Tema Archive | 2013
    The benefit of trolley truck systems is the substitution of the diesel fuel by the cheaper and more ecological electrical energy. Trolley ...

    Development and application of reduced-order modeling procedures for subsurface flow simulation

    Cardoso, M.A. / Durlofsky, L.J. / Sarma, P. | Tema Archive | 2009
    The optimization of subsurface flow processes is important for many applications, including oil field operations and the geological storage ...

    Development of a new generation of welded high strength heavy wall upset work over riser 90KSI for sour service application

    Izquierdo, A. / Lunde, Lars / Qiuntanilla, H. et al. | Tema Archive | 2008
    In order to satisfy the increasing demand of oil and gas, the frontline of exploration is continuously pushed to ever deeper water ...

    Drift reinforcement design based on discontinuity network modelling

    Grenon, M. / Hadjigeorgiou, J. | Tema Archive | 2003
    The primary goal of ground support in mine drifts is to protect mine workers and equipment against rock falls. The results of structural ...

    Effect of water-soluble gases on production decline, production stimulation, and production management

    Hayatdavoudi, A. | Tema Archive | 1999
    A compilation of the 16 years field production and several pressure build-up from two wells drilled in offshore Louisiana is reviewed to ...
    Publisher: Society of Petroleum Engineers (SPE) , Richardson

    Expansion Slurry System Research

    Fan, Zhen-Zhong / Zhang, Li-Feng / Liu, Qing-Wang et al. | Tema Archive | 2013
    In-depth development of a block of Sudan, effectively develop the rich reserves of the major reservoirs, increase crude oil production, and ...

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