2023 Exterran Corporation, All Rights Reserved. Figure 11. A diagram of the water disposal system, and the circulating system. 0000025463 00000 n The Pivot Stem pushes down on the Diaphragm Assembly. What Are VOCs? It is possible to simply join all the flow lines together for all your wells together without using a header. What Is Water Injection in O&G and How Does it Work? The treater can be delivered as a heater treater, providing heating and dehydration in a single vessel and eliminating the need for externally heated heat transfer fluid. Oil generally weighs about 7 pounds per gallon, while water will weigh around 9 lbs, varying with the salt content. Fluid from the well enters at the emulsion inlet. Use of Electric Immersion Heating Elements In Oilfield Heater-Treaters Surface production equipment - AAPG Wiki Each monthly newsletter includesinformation on product improvements, tips on how to better optimize your site, videos and articles on how to complete your own repairs, as well as news about training and events. The gas equalizing line must be taken directly from the vessel. An example of a standard two stage vertical separator. The tanks will need to be inspected for water level regularly, so some sort of access stairway or ladder is necessary. When the liquid rises in the discharge piping of the vessel above the set level, it lifts the Diaphragm Assembly against the Weight load to open the valve. Gas separates from the liquids, ascends and exits the unit. The flow lines approach the tank battery parallel to each other, with about 20 inches of separation. Cost effective use of a heater-treater depends on balancing the efficiency of using natural gas as fuel vs. selling it as an additional source of income. %PDF-1.7 % This vessel is pressurized primarily to push fluid to the next vessel in the tank battery. The right-hand separator has an emulsion inlet on its right side, and the left-hand separator has an inlet on its left. From there, the gas will pass through a valve or two and then into the gas line, which is located at the very top of the vessel. Figure 5 shows a typical vertical heater treater. Heavy duty pipe is also common. These vessels are better suited for separating lighter crudes that require shorter retention periods. trailer <<6D2FE15DD7E642D5871A2058304F546D>]/Prev 636633>> startxref 0 %%EOF 70 0 obj <>stream Vertical Heater Treater in the Oilfield | Oilfield Basics Water, if not used elsewhere in the operation, is usually injected back down a well to keep the reservoirs pressure. Its usually designed to need little or no maintenance, and will open and close automatically to regulate pressure. This provides security for instances where pressure comes backwards from a tank up into the downstream outlet of the valve.
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