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Questions Asked in Production Engineer Interview: Surface Facilities Questions & Answers: Q: What is Crude Oil? A: Crude oils is a complex mixture Chemicals, especially hydrocarbons. Q: how crude oil is classified into: sour and sweet oil? A: if the sulfur content in crude oil is less than 0.5%, it is considered sweet, if it […]
what is Wet Crude? Raed Al-Obaidi in the beginning of the production from any reservoir the crude oil contains no water and salt; with time it begins to produce large amounts of water and salt, although the density difference guarantee that water stays bellow crude oil in the reservoir, but sometimes water content will with time. […]
foam in crude oil foam is a small bubbles of gas surrounded with a thin film of oil, this phenomena reduces the separation efficiency, foam exists in the gas oil interface when separator pressure decreases, or because of the surface tension, viscosity, and some impurities, because of that, small droplets are generated, these droplets are […]
Emulsion-Treating Methods An emulsion-treating unit or system will use one or more of the methods to aid in destabilizing, coalescence, and/or gravity separation. Each of these treating methods is discussed separately below. Heating. Using heat to treat crude-oil emulsions has four basic benefits: Heat reduces the viscosity of the oil, which allows the water droplets to collide […]
Most of the world’s oil reservoirs now produce a mixture of oil and water. The liquids are subjected to shear forces through pumps or other lifting methods, or are sheared as they pass through pressure-reducing devices in the production line. The shear forces disperse one liquid into the other with variations in drop size and […]
Crude Oil Treatment Electrostatic & Mechanical Treaters Introduction After primary oil/water separation, there is often a small amount of unwanted salts in residual water in the crude oil that needs to be reduced to a concentration around 5-10 PTB (Pounds per Thousand Barrels) salt. This salt needs to be removed so that the crude oil […]
Heavy oil is a type of petroleum that is different from conventional petroleum insofar as they are much more difficult to recover from the subsurface reservoir. Heavy oil, particularly heavy oil formed by biodegradation of organic deposits, are found in shallow reservoirs, formed by unconsolidated sands. This characteristic, which brings about difficulties during well […]
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Commercial Types of Gas–Oil Separator Based on the configuration, the most common types of separator are horizontal, vertical, and spherical, Large horizontal gas–oil separators are used almost exclusively in processing well fluids in the Middle East, where the gas–oil ratio of the producing fields is high. Multistage GOSPs normally consists of three or more separators. The following is a […]
why crude oil is stabilized? Once degassed and dehydrated–desalted, crude oil is pumped to gathering facilities to be stored in storage tanks. However, if there are any dissolved gases that belong to the light or the intermediate hydrocarbon groups it will be necessary to remove these gases along with hydrogen sulfide (if present in the crude) before oil […]
Paraffin control products prevent crude oil precipitation of paraffin wax deposits in production risers, subsea tie-backs, or any other production tubular or transportation pipeline. Paraffin – Asphaltenes and Inhibitors Some formulation products are wax crystal modifiers that prevent paraffin formation by interfering with the bonding of aliphatic wax molecules. Composed of branched chain polymers, these […]
this section is for petroleum books such as petroleum production – petroleum fields – petroleum engineers – sludge treatment – H2S – Oil spills and many other books related to oil and natural gas industry. Oil – Gas Separators Books Optimizing Separator Pressure in a Multistage Crude Oil Production Download Link 1 […]
