Two crew members of a dredging boat were killed in an explosion in the Port of Corpus Christi last Friday. The bodies were found on Saturday.
Coast Guard Capt. Jason Gunning revealed that two others remained and the search would continue.
None of the names of the affected seamen were released.
The U.S. Coast Guard said the Waymon L. Boyd hit a submerged pipeline around 8 a.m. and Port of Corpus Christi officials confirmed that it was a natural gas pipe.
CEO of the Port of Corpus Christi Sean Strawbridge sent thoughts and prayers to the victims and their families. He said a full investigation would take place.
The vessel belongs to Orion Marine Group, a marine construction contractor based in Houston.
Orion CEO Mark Stauffer said the company greatly appreciated the work of the U.S. Coast Guard and other responders to recover the victims.
The fire on the boat was extinguished on Friday afternoon but it reignited and was finally put out again around 10 p.m.
The Coast Guard said the vessel then broke apart and sank.
The regional manager for the Texas General Land Office Brent Koza said the Waymon L Boyd carried a maximum of 6,000 gallons of diesel.
The Texas General Land Office is tasked with investigating oil spills. Koza said diesel was being recovered from the channel and around areas that are environmentally sensitive.
Meanwhile, spokesperson with the Texas Commission on Environmental Quality, Brooke West, said no air pollution was detected and the waterway would be tested. She said TCEQ would collect water samples from the channel near the site of the explosion.
If you lost a loved one in an oil or gas explosion, you may be entitled to compensation. A Houston personal injury lawyer can help you.