Fracking is a contentious business. The process of injecting chemicals at high-pressure into the earth to pull out gas and oil has prompted as many reports condemning it as there are declaring it safe.
Homeowners concerned for the safety of their well water, and environmentalists, who believe the drilling even caused the Oklahoma earthquake, have formed movements against the practice, and it was these efforts that came up for discussion at last week's oil industry conference in Houston.

Filled with industry insiders all facing the same challenges and concerns, speakers lectured openly on how they handled the American public in communities where they drilled.

There, recording it all, was environmental activist Sharon Wilson, director of the Oil & Gas Accountability Project.

In the following recording, given to CNBC, one presenter tells the crowd to download a copy of the Army's counterinsurgency manual. "Because," he said, the movement opposing the industry is an "insurgency."