Results 101 to 110 of about 2,284,708 (212)

Wellbore stability evaluation method based on the continuous tangent envelope of a Mohr circle. [PDF]

Sci Prog, 2020
Liu H, Cui S, Meng Y, Fan Y, Liu T, Yu A, Hu Z.   +6 more
europepmc   +1 more source

Georgia's libertarian revolution / European Stability Initiative

, 2010
unknown
core   +1 more source

The Inhibition Property and Mechanism of a Novel Low Molecular Weight Zwitterionic Copolymer for Improving Wellbore Stability. [PDF]

Polymers (Basel), 2020
Du W, Slaný M, Wang X, Chen G, Zhang J.
europepmc   +1 more source

Coupled wellbore erosion and stability analysis

, 1998
Papanastasiou, P, Stavropoulou, M, Vardoulakis, I   +2 more
core   +1 more source

Anisotropy and Energy Evolution Characteristics of Shales: A Case Study of the Longmaxi Formation in Southern Sichuan Basin, China

Geofluids
To obtain the influence of anisotropy and energy evolution characteristics on wellbore stability, the acoustic and mechanical anisotropy characteristics of shales are studied through various experiments, including scanning electron microscopy, ultrasonic
Liu Xiangjun, Zhuang Dalin, Xiong Jian, Zhou Yishan, Liu Junjie, Deng Chong, Liang Lixi, Ding Yi, Jian Xuemei   +8 more
doaj   +1 more source

Wellbore Stability and the Thermal Effects Analysis for a North Sea Exploration Well

, 2015
A good understanding the wellbore stability process is crucial for a safe and effective drilling of deep wells, wellbore instability is one of the key problems that engineers encounter during drilling.
Prazeres, Inocencio
core  

Damage evolution and wellbore stability model of coal seams under the coupled effects of fluctuating pressure and hydration. [PDF]

Sci Rep
Zhai W, Fang C, Guo Q, Zhao Q, Yang Z, Wang Q, Zhang H, An J, Lv K.   +8 more
europepmc   +1 more source

A Novel Polyacrylamide Film-Forming Agent for Maintaining Wellbore Stability. [PDF]

Molecules
Ma G, Wei W, Yang Y, Hao C, Zhang Y, Xu G.   +5 more
europepmc   +1 more source

Stability modelling applied to wellbore design

, 2008
When a well is drilled in a hydrocarbon reservoir, the thermodynamic equilibrium of virgin rocks is altered, the natural stresses are redistributed, and a stress concentration occurs around the hole.
Rocca, Vera, Verga, Francesca
core  

Enhancing wellbore stability through machine learning for sustainable hydrocarbon exploitation. [PDF]

Sci Rep
Mahetaji M, Brahma J.
europepmc   +1 more source