Professional ASME- certifies Oil&Gas Equipments Supply
CATEGORY
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NEW UNDERGROUND TEST SYSTEM
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SURFACE WELL TESTING (SWT)
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TRAILER WELL TEST PACKAGE
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HEATING & COOLING
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OIL- GAS GATHERING & TREATMENT
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2/3/4 Phase Separator
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Multitube Cyclone Separator
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Integrated Three Phase Test Separator with Heater
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Kettle Type Reboiler (Floating Head Type)
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Crude Oil Stabilization Tower
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Crude Oil Storage Tank
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Natural Gas Dehydration Unit (TEG)
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Molecular Sieve Adsorption Tower
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Light Hydrocarbon Recovery Unit
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Liquified Petroleum Gas Tank(LPG)
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Oilfield Water Treatment Solution
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DISTRIBUTED CONTROL SYSTEM
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ANCILLARY EQUIPMENT
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Oilfield Heat Exchanger
Oilfield heat exchangers play an important role in processing oil and gas. They are used in the refining process in cracking units as well as in the liquefaction of natural gas.
Different types of heat exchangers suited to different applications are currently available and the most common variants are outlined below.
Shell and Tube Exchangers
A shell and tube heat exchanger is essentially a collection of tubes enclosed within a pressurized outer shell. This device works by channeling one fluid (typically from the hot process) through the smaller tubes and the other through the outer shell to achieve heat exchange.
Evaporators and Boilers
These heat exchangers undergo a biphasic heat transfer process which changes the physical state of one or more of the fluids involved.
Double Pipe Thermal Exchangers
The double pipe heat exchanger set up consists of two concentric pipes; a smaller diameter pipe running within a larger one, which brings two fluids into proximity. For maximum efficiency, the heated and cooled fluids circulating within both pipes are driven in opposite “counter-current” directions.
Plate Heat Exchangers
Plate heat exchange devices are composed of several thin plates arranged together in stacks. These plates create channels through which the interacting fluids can flow.
While typical plate exchangers allow for heat exchange between just two fluid media, variation such as the plate-fin exchanger permits multiple fluid streams through its parts. The pillow-plate exchanger variant raises the pressure within the exchange system to improve efficiency.
Heat Exchanger Applications in Oil and Gas
The various types of heat exchangers available play key roles in the oil and gas production processes listed below:
► Hot oil/heat transfer systems
► Fuel gas conditioning skids
► Cold ammonia flow control
► Lube oil systems
► SCR units
Runcheng’s capabilities have become increasingly important to the oil and gas industry. Corrosion problems are escalating as crude oils are often contaminated with naphthenic acid, sulfur, carbon dioxide and hydrogen sulfide. The use of Duplex Stainless Steels, High Nickel alloys, Hastelloy and Titanium are becoming increasingly cost effective in these applications.
The more contaminated crude becomes, the more necessary the use of corrosive -resistant metals and alloys.
Corrosion-resistant materials, including Duplex Stainless Steel, are complex in their molecular structure making them more complicated to fabricate and properly weld than traditional materials. Runcheng’s experience with the reactive metals and their complicated welding issues gives us an advantage over the normal stainless fabricators. Our team brings its many years of experience in design, fabrication and welding of complex materials to the custom fabrication of Oil and Gas Heat Exchangers.
If you have a corrosion issue, contact Runcheng We can help you determine whether specialty alloys can help solve your problem. Our technical experts have the ability to assist with alloy selection and give you preliminary pricing or a firm quotation.
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