Results 11 to 20 of about 154,747 (344)
Modeling of Casing Flange Bolt Connection and Analysis of Sealing Performance
Hangkong gongcheng jinzhan, 2021 The oil leakage at the bolt connection of the combustion chamber casing flange can influence the service life and working performance, pollute the environment, and waste the oil.Based on the deflection deformation theory of cantilever beam, the ...
ZENG Xianghu +3 more
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Key technology and application of casing safety in large diameter well
Meikuang Anquan, 2021 The cementing casing of large diameter well has large outer diameter and mass, and is lowered by welding connection. The special specification, size and connection mode require the casing to adopt special technology. Through-hole tools and lifting tools
MO Haitao, HAO Shijun
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Casing cementing in difficult geological conditions [PDF]
Podzemni Radovi, 2015 In extreme environments and remote areas, exploration puts increasing demands on the technology required for developing new reserves. As drilling operations for oil and gas penetrate deeper horizons, wellbore construction faces new challenges. Deeper and
Leković Branko +2 more
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Application of Cement Sheath Sealing Safety Coefficient Method in Heavy Oil Thermal Recovery Well
Shiyou jixie, 2021 In the process of steam injection in thermal recovery well of heavy oil, the requirements for the mechanical properties of cement sheath are high, and the accurate evaluation of cement sheath sealing property is the key to ensure the normal production of
Ji Hongfei +6 more
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Energies, 2018 Aiming at some long ore passes with severe damages and extensive collapses, we describe an optimal measure to plug a local area of ore pass in order to maintain the capacity of continued use.
He Chen, Shibo Yu, Zhixiu Wang, Ye Yuan
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Student’s attendance system using QR code [PDF]
, 2014 The purpose of this project is to develop a system that can record the presence of students using QR code. Previously, teachers needed to use paper to record student attendance.
Ariffin, Arihasnida +4 more
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Annals of Neurology, 2014 Editor's NoteIt may seem cynical for the Editors of Annals of Neurology to publish a NeuroGenesis article on the value of writing case reports, while systematically turning down the vast majority of such contributions that are submitted to us for publication.
Shamik Bhattacharrya +2 more
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A numerical and experimental analysis of flow in a centrifugal pump [PDF]
, 2002 Computational fluid dynamics (CFD) analysis has been used to solve the unsteady three-dimensional viscous flow in the entire impeller and volute casing of a centrifugal pump.
Blanco, E. +4 more
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Effect of Directional Cluster Perforation on the Outer Casing Fiber Optic
Cejing jishuTo investigate the effect of directional clustered perforation operations on the outer casing fiber optic, reduce the fiber optic damage rate and ensure the success rate of directional cluster perforation operations, a three-dimensional simulation is ...
SUN Xianhong +6 more
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The Case for Case Reports [PDF]
American Journal of Perinatology Reports, 2011 If you are reading a hard copy of this editorial, then you are holding in hand the first issue of the American Journal of Perinatology Reports, or AJP Reports as we like to refer to it. Welcome to AJP Reports and thank you for taking the time to peruse it. I hope you find many of the reports interesting and helpful. The editorial team and publisher are
openaire +3 more sources