There’s more drama in the world of flanges—obscure but important parts that connect pipes, valves, pumps and other equipment in oil and gas pipelines.

Last month, I wrote about a $31 million jury award to two domestic flange makers, Boltex and Weldbend. Represented by Norton Rose Fulbright and Mayer Brown, the companies alleged an overseas competitor falsely advertised its flanges and competed unfairly.