The denser mud had been, up until this time, the primary pressure control and was keeping the hydrocarbons in place despite the lack of an adequate cement job at the casing shoe.
At 8:20 p.m. on the day of the explosion the pressure data suggest there was a constant flow of sea water being pumped into the drill pipe that was displacing the heavier mud system which was the primary pressure control for the well.
Given the two red flags that had been thrown up previously, one would have expected that as a precaution a cement plug would have been placed somewhere in the wellbore as a secondary pressure seal before this primary pressure control system (heavy mud) was evacuated from the wellbore.
Flake has been a primary target of pressure from gun control groups.
As CEO I always told job applicants that my primary job was increasing pressure while decreasing stress.
There is intense pressure on primary places in London and fewer people in the capital usually get their top choice than in other parts of the country.
The additional paying customers with what many believe will be a pent up demand for medical care service are already expected to stress the health care system, putting more pressure on primary care doctors like internists and family doctors.
The dangerous pressure wave that causes primary blast injuries drops off quickly with distance, but shrapnel can cause injury far from the attack.
FORBES: Blast Victims: What We Know About The Kinds Of Injuries That Occurred In Boston
Without being prescriptive it is expected that a typical station configuration will consist of a primary tide gauge, two under water pressure sensor (secondary tide gauge), data logger, DCP geostationary satellite transmitter, modem, battery backup, solar panel, cables, mountings.
And that although the social pressure that once discouraged women from working outside the home has given way, the pressure on husbands to be the primary earner remains.
Her campaign signaled this week that Bachmann intends to dial back her efforts in the first-in-the-nation primary state of New Hampshire, putting even greater pressure on the candidate to perform well in the leadoff caucus state.
Ms. Quinn's decision to sign onto the legislation comes amid escalating pressure on the frontrunner in the Democratic mayoral primary.
Ms. Quinn's decision to sign onto the legislation comes amid escalating pressure on the front-runner in the Democratic mayoral primary.
One thrust takes the form of special eye exercises for primary school students -- all pupils must engage in five minutes of orbital pressure-point massage every day.
"The pressure to hire many new teachers to meet the goal of Universal Primary Education and replace teachers leaving the profession often lead to the recruitment of less qualified teachers or even to lower national standards, " adds Bernal.
But a Democratic strategist in Massachusetts says Patrick is under pressure to avoid naming a caretaker, in hopes of preventing a divisive primary.
CNN: Source: Obama to tap Kerry to be next secretary of state
The boom is also putting pressure on school places with some projections estimating that 450, 000 new primary places would be needed in England alone by 2015.
Congress faced strong pressure to boost the debt-ridden flood insurance program, which is the primary option for that type of coverage for U.S. homeowners and businesses.
Every time she won another primary, despite the increasing odds against her, she demonstrated she wouldn't cave under pressure.
The drywell is a large steel pressure vessel that looks like a giant upside-down pear and holds the reactor and primary pumps, and the wetwell is a large toroidal vessel that looks like a donut.
FORBES: Explainer: What Caused The Incident At Fukushima-Daiichi
Next, add primary rule changes that only allow registered party members to vote and a polarized electorate whose grassroots efforts have put tremendous pressure on lawmakers to stay true to a more narrow interpretation of party values.
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