Gas Extraction Wellhead installation, Protection and Maintenance
1. Inspection and maintenance of wellhead pulley 2. Check and maintain the tension meter 3. Inspection and maintenance of magnetic markers 4. Inspection and maintenance of the scraper wellhead assembly 5. Inspection and maintenance of collector rings 6. Check and maintain the logging depth measurement device The gas wellhead device should be maintained at least half a year, for a hydrogen sulphide content of more than 3000mg/m3 or more than 5m3/d of gas wellhead valve should be maintained every quarter. Maintenance content should include more than 2 times valve switch activities, butter filling, sealing check, accessories maintenance, gas extraction wellhead clean, compressed anti-corrosive paint repair, heat preservation, etc., to ensure that the gas extraction wellhead complete, no rust, no leakage, flexible valve switch, no leakage, normal use of attached parts, anti-corrosion insulation in good condition. Gas extraction wellhead maintenance should fill ...