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The pumping unit that is now on site is not the original "flathead" model, which was replaced sometime after 1962. The more modern unit is skid mounted whose prime mover (an electric motor), gears, wellhead connections and rods appear in good condition, though the unit no longer operates.
The bottom kill process is delayed during an evaluation to see if pumping mud into the well's annulus would break the cement seal on the top. [47] University of South Florida researchers report finding oil on the ocean floor in the DeSoto canyon challenging the reports that 75% of the oil has been captured, burned off, evaporated or broken down ...
1965: Mack releases the Super Pumper System, to be used by the New York City fire department. [21] It would help put out 2,200 fires. 1965: The R Model Series introduced, to replace the B Model Series. Some R series models continue in production until 2005. 1966: The RL (for R-Western) model built at Hayward, California until 1981.
In the context of oil wells, pumping is a routine operation involving injecting fluids into the well. Pumping may either be done by rigging up to the kill wing valve on the Xmas tree or, if an intervention rig up is present pumping into the riser through a T-piece (a small section of riser with a connection on the side).
[45] On April 23 a ROV reportedly found no oil leaking from the sunken rig and no oil flowing from the well. [61] Coast Guard Rear Admiral Mary Landry expressed cautious optimism of zero environmental impact, stating that no oil was emanating from either the wellhead or the broken pipes and that oil spilled from the explosion and sinking was ...
Dutch officials have criticized the requirement, as it requires many additional trips to on-shore storage facilities. Spill Response Group head Wierd Koops said, "you have to get as much oil as possible into the storage tanks and as little water as possible. So we pump the water, which contains drops of oil, back overboard". [22]
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Artificial lift is the use of artificial means to increase the flow of liquids, such as crude oil or water, from a production well. Generally this is achieved by the use of a mechanical device inside the well (known as pump or velocity string) or by decreasing the weight of the hydrostatic column by injecting gas into the liquid some distance down the well.