Effective valve for pumping well

• Main Author: CHENGWEN MA
• Format: Patent
• Language: English
• Published: 17.09.2003
• Edition: 7
• Subjects: BLASTING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to an effective valve for a pumping well, which is a new product for an air trap used on an oil-field oil pump. When an existing product is used, air exists, causing that the pumping efficiency of an oil pump can be decreased, the well yield can be decreased, and even the air lock happen; thereby, the oil pump can not work; the opening of an old oil moving valve is slow; the down resistance is large, causing that the oil pumping pipe is bended, and the service lift of the pump is decreased. The utility model comprises a flow guiding sleeve 1, an outer sleeve 2 which is coaxially provided with the flow guiding sleeve 1, and a valve ball 3 arranged in the flow guiding sleeve 1, wherein, a cleaning type valve body 4 is arranged in the outer sleeve 2; an eccentric push rod 5 is arranged in the valve body 4. The product can be used for replacing the air trap used on an oil-field oil pump; the utility model can also be used for all rod type oil pumps; the utility model can be used for the occasions that the operating states of the oil pump can be obviously improved; the efficiency of the oil pump is increased; the air production can be increased; the service life of the oil pump can be effectively lengthened.