Stephen Rassenfoss

BioSqueeze is a small oilfield services looking to prove it can build much bigger things as well.

The best wells in which to find lithium are in old conventional fields where rusty pump jacks are pulling out mostly water.

A surge in permit applications for long-term carbon storage sites reflects where industrially produced carbon dioxide can be harvested, and where the necessary pipelines are.

More freshmen are enrolling in petroleum engineering, drawn by strong demand for graduates.

Bakken oil production surprised on the upside showing it can grow, but an encore is not expected this year.

Chevron has some new ideas on how to get more oil for less cost out of shale wells in their early years.

A 44-well development tests what ConocoPhillips has learned about maximizing the value of the wells by figuring out how they drain the reservoir.

As the biggest US companies grow bigger, the advantage of scale becomes clearer.

Matthew Bryant has spent years trying to convince engineers that the API proppant testing standard has significant limitations. And he may well be right.

Fervo Energy proved fracturing can harvest geothermal energy and is now rapidly learning to build a utility-scale power plant.