But the oil giant waited many days before releasing tiny snippets of video that almost instantly enabled independent experts to calculate a far higher rate of oil flow than company and government estimates. (dotearth.blogs.nytimes.com)
The pressure is regulated at the pump and mainly needs to have oil flow in order to operate efficiently. (mechanics.stackexchange.com)
Usually oil flows from the pickup to the pump, then it's first stop is the filter. (mechanics.stackexchange.com)