Tectonic stress estimation from ultrasonic borehole image logs in a coal bed methane well, northeastern Qinshui Basin, China
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.01.021
Abstract: Abstract Small-scale structures and tectonic stress are known to affect the production of coalbed methane. Ultrasonic borehole image logging (UBI) can be used to identify fractures and breakout zones around the wellbore and to analyze… read more here.
Keywords: ultrasonic borehole; tectonic stress; coal bed; stress ... See more keywords
Characterization of braided river-delta facies in the Tarim Basin Lower Cretaceous: Application of borehole image logs with comparative outcrops and cores
Sign Up to like & getrecommendations! Published in 2018 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2018.06.024
Abstract: Abstract Borehole electrical image log with core-like presentation is an efficient way to conduct sedimentary description in the subsurface. The key is to set up a series of geological diagnostic criteria. The subsurface Lower Cretaceous… read more here.
Keywords: image; braided river; lower cretaceous; borehole image ... See more keywords