Well head auto drug-adding and pouring device

The utility model relates to a well head automatic dosing injection distribution device which comprises a main body (20) which is provided with a medicine inlet passage (17), a medicine injection passage (15), a vertical doping passage (12), a liquid inlet passage (10), a liquid outlet passage (11)...

Full description

Saved in:
Bibliographic Details
Main Authors XUE WEIGUO, CAO WU, YUAN DONGSHENG
Format Patent
LanguageChinese
English
Published 11.02.2009
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online AccessGet full text

Cover

More Information
Summary:The utility model relates to a well head automatic dosing injection distribution device which comprises a main body (20) which is provided with a medicine inlet passage (17), a medicine injection passage (15), a vertical doping passage (12), a liquid inlet passage (10), a liquid outlet passage (11) and a cavity body (5). Each passage is respectively communicated with the cavity body (5). The cavity body (5) is equipped with an automatic hydraulic reversing valve (16) which is fixed with a reversing valve rod (6) at one end. The automatic hydraulic reversing valve (16) is provided with two seal cavity bodies which are filled with hydraulic oil. Two cavity bodies are respectively equipped with an energy receiving sylphon bellowss (1) and an executing sylphon bellowss (4). An inverted valve (2) and a damping hole plate (3) are parallelly installed at the passage between two cavity bodies. The well head automatic dosing injection distribution device uses the energy of the produced liquid of an oil well to switch
Bibliography:Application Number: CN20082107989U