A good cement bond reduces the amplitude and increases the travel time, while a poor bond or an annulus does the opposite. The tool also generates a variable density log (VDL) that shows the ...

Cement sales in Bangladesh plunged in 2024 due to political instability, rising production costs, and the deferment of the implementation of government infrastructure projects, leaving the ...

That’s the goal of a three-year-long project at Drexel University to develop self-heating concrete, which can keep streets safe from icy conditions while avoiding the environmental and cost concerns ...

This groundbreaking material could eventually offer enhanced resilience to natural disasters and reduce maintenance costs for public infrastructure.

Moving, surprising, inspiring, terrifying, shocking... This is a selection of images from our planet, over the past three days. Share to Facebook ...

The term "green cement" is still relatively new, but a Cape Breton economic development group feels the Strait of Canso could be the newest home for carbon-removal technologies that have already ...