The effort to permanently seal the leaking gas well that fouled the air above Porter Ranch for 31/2 months reached a prosaic stage Saturday.
"We're waiting for the cement to dry," said Don Drysdale, a spokesman for the state Conservation Department, one of the agencies overseeing the operation.
Crews finally stopped the plumes of methane from escaping the Southern California Gas Co. well Thursday by injecting heavy fluids and mud into the well. That temporary plug is being replaced with layers of cement, which is being pumped through a relief well into the damaged one.
The seal should be in place within a couple of days, company spokesman Javier Mendoza...