There are mainly 2 type degasser used in oilfield, vacuum degasser and poor boy degasser.
Vacuum degasser is used in drilling solids control system to remove the gas such as methane, H2S and CO2 from the gas-cut mud, there are horizontal vacuum degasser, vertical vacuum degasser and atmospheric degasser. 
Poor boy degasser is well control equipments, it is used to separate dangerous gas, and the vacuum degasser is used only when we need more effective and more efficient results.
Освоение английского с малого возраста крайне важно.
В такие годы мозг ребёнка легко схватывает новые знания.
Раннее знакомство с иностранной речью укрепляет память.
Вдобавок, ребёнку гораздо проще понимать другие языки в будущем.
Освоение английского даёт огромные шансы в учёбе и жизни.
Таким образом, погружение в язык английского — это залог успеха.
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