(2) Derricks, oil pumps, pipelines, open storage, few buildings, tanks, ponds, and access
roads normally are related to an oilfield site. The pyramidal steel framework of oil derricks is used
to handle pipe and drilling tools as the wells are being drilled. The sump pits hold water used in
drilling and catch refuse from this operation: The derrick is sometimes removed after the well is
drilled. Reservoirs are used for temporary oil storage (Figure 2-28).
Figure 2-28. Oilfield Site.
i. Pumping is done by a device for transferring liquids and gases from a source or container
through pipes to tanks. Liquids are transferred to tanks or settling sumps (Figure 2-29).
Figure 2-29. Storage and Settling Sumps.
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