Roughly a week after multiple parties filed suit against Kinder Morgan’s Permian Highway Pipeline (PHP), the Houston-based firm fought back by filing a motion to dismiss the claims, according to a press release.

The filing, submitted May 7, asked the judge in charge of the case for a summary judgement based on “ample reasons” for dismissal, according to Kinder Morgan officials. It is unknown at this time if a decision on the motion has been made.

According to the release, the pla...