HOUSTON May 16 Two workers were hurt in an
explosion at a hydraulic fracturing tank site in south Texas
early on Wednesday, a sheriff's dispatcher said.
U.S. workplace safety regulators cited the company that owns
the site, Vann Energy Services LLC, three months ago for what
inspectors called serious health and safety violations there.
A secretary for Vann Energy said the men were cleaning a
tank at the maintenance facility that holds hydraulic fracturing
or fracking tanks in Nixon, Texas when the blast happened. She
declined to identify herself and said no further information,
such as what the tanks contained, was available.
In February, the U.S. Occupational Safety and Hazard
Administration said that the company required workers to enter a
fracturing tank for cleaning without first testing for
atmospheric hazards or training them on the hazards of confined
"Confined space and electrical hazards like the ones found
at this site can kill workers. It is fortunate these hazards
were identified before anyone was seriously injured," Casey
Perkins, OSHA's area director in Austin, said at the time.
The Gonzalez County Sheriff's Office dispatcher said the two
injured men were flown to a hospital in San Antonio. He declined
to provide further information except to say that the blast was
OSHA proposed fining Vann Energy $70,200 for 17 serious
violations in February.
The citations included failures to: maintain electrical
conductors and cords; ensure electrical equipment such as fans
were approved for hazardous places; and provide covers for open
The violations also included failure to provide workers with
proper protective clothing and chemical hazard training.
OSHA did not immediately return calls on Wednesday about the
OSHA said in February that Vann Energy provides trucking and
oilfield support services, including cleaning fracturing tanks,
at the Nixon site.