Patent ID: 9328588
Filing Date: 2016-05-03
CPC Classification: E21B,F24F

Claim Text:
1. A method for ventilating hazardous gases comprising the steps of: a. placing a split column having a first opening, a second opening and a split that passes longitudinally through the split column from the first opening to the second opening around a gas well pipe; b. attaching a ventilation duct having a first end and a second end to a discharge opening of the split column such that the ventilation duct first end is associated with the discharge opening and the ventilation duct second end is attached to a gas moving device to collect hazardous gases from the gas well pipe; and c. drawing air into the split column through the second opening with the gas moving device to dilute the hazardous gases from the gas well and directing the diluted hazardous gases into the ventilation duct and away from the split column.