Oil field associated gas light hydrocarbon recovery system

• Main Authors: YANG HAIQING, WANG ZHIQIANG, HOU WENGUI, TU ZHENYU, LIU GUOCHENG, LI MINGZHU
• Format: Patent
• Language: Chinese; English
• Published: 17.11.2020
• Subjects: CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; TECHNICAL GASES CONTAINING CARBON MONOXIDE

The utility model provides an oilfield associated gas light hydrocarbon recovery system which combines rectification and refrigeration, can effectively improve the yield of C3 < + > and fully recovercomponents above C3 < + > in raw materials, and is characterized by comprising a raw material gas compressor, a raw material gas cooler, a three-phase separation tank, a dehydration drying system andthe like, wherein the raw material gas compressor is connected with the raw material gas cooler through a pipeline, the raw material gas cooler is connected with one end of the three-phase separationtank, and the three-phase separation tank is respectively connected with the wastewater collection device, the dehydration drying system and the liquefied gas rectifying tower through pipelines. The method can effectively adapt to the working conditions of different gas qualities of oilfield associated gas, and provides necessary conditions for obtaining higher C3 + yield. 本实用新型提出一种采用精馏和制冷相结合，可以有效的提高C3+收率，实现对原料中C3+以上的组分充分回收