Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Ying-hu Zhai"'
Publikováno v:
Chemistry and Technology of Fuels and Oils. 50:525-532
We take five parameters describing the properties of rocks (drillability, abrasive resistance, hardness, plasticity, and compressive strength) as the initial factors used for principal component analysis. Using this method, we obtained two principal
Publikováno v:
Applied Mechanics and Materials. :311-314
Cutting transport is a big problem in a wellbore in deep-water drilling specially with a long and large diameter riser. And proper cutting concentration is the key parameter of controlling wellbore pressure and ECD. In this study, a cutting concentra
Publikováno v:
Journal of Hydrodynamics. 23:241-246
Particle impact drilling is an efficient drilling technology for deep-well hard formation, With this technology, the rock is cut mainly by high-speed spherical particle impact under hydraulic action. In this article, the influence of jet flow factors
Autor:
Ying-hu Zhai, Meng Cui
Publikováno v:
DBTA
In view of the characteristics of CNPC(China National Petroleum Corporation) well history management system and existing problems in drilling information,such as the magnitude of drilling data,complicated relations,inhomogeneous distribution,heteroge