Static kill: BPs efforts to plug the leak seem to have worked, but it's still too early to declare victory, officials say.
'Static kill,' similar to the previously attempted 'top kill' solution, involves pumping mud and cement into the leaking well, hopefully sealing it permanently.
Tropical depression racing toward the Gulf of Mexico Thursday increased pressure on BP and the US government to decide whether to evacuate dozens of ships at the site of the ruptured oil well.
Oil spill BP clean-up continues, but dozens of ships prepared Thursday to evacuate as a tropical rainstorm brewing in the Caribbean brought the deep-sea effort to plug BP's ruptured oil well to a near standstill.
BP wants to try a 'static kill' in the Gulf oil spill – similar to the failed 'top kill' – to stopper the top of the well until relief wells kill it from below. A decision could come as soon as Wednesday.
Gulf oil cap appeared to be holding steady Friday morning, almost midway into a white-knuckle waiting period in which engineers watched the pressure gauges for signs of a leak.
The test to determine whether BP can keep the cap closed on its leaking well began Thursday afternoon after an overnight delay. When the test began, no oil was escaping from the well.
Retired Adm. Thad Allen shut down Tuesday a well-integrity test of the Gulf oil spill geyser. BP had been itching to move forward, but government scientists were worried the test may make the situation worse.
BP has begun testing the new containment cap to see if it can do what's proven impossible so far – shut down the Gulf oil spill geyser once and for all. 'Hope and pray,' says a BP official.
BP uncapped its gushing well Saturday, allowing more oil to escape as the company tries to put on a better cap. But BP has other ways of capturing oil in the Gulf oil spill even without the cap.