1, the oil pan leaks due to the wear of packing.
Due to packaging quality, serious wear or unqualified packaging, the packaging box will leak oil.
Solution: Fasten the packing box, add the packing again when it is invalid, and often butter it.
2, wellhead deflection is not straight, resulting in packing damage and packing box oil leakage.
Treatment: correct wellhead deviation.
3, flange gasket or clamp installation is unqualified, or oil leakage causes corrosion and damage.
Solution: Tighten or reinstall the flange gasket or clamp the sealing ring.
4, wellhead pipeline corrosion perforation. Perforation of wellhead pipeline will lead to wellhead oil leakage.
Treatment: repair the perforation.
5. The polished rod breaks and causes oil leakage. After the polished rod is broken, the oil on the station and the oil at the wellhead can be ejected from the rod box. This kind of oil leakage is the most harmful.
Treatment: quickly close the rubber gate and back pressure gate, organize oil collection and replace the polished rod.
6. Wrong switching process leads to oil leakage. Because of carelessness, the process was reversed. If you forget to close the sampling valve or exhaust valve, oil will escape; Or forget to open the production gate after the oil well is suppressed, resulting in oil leakage from the packing box. These oil spills are very serious. Need high attention.
Treatment: The wellhead flow must be carefully checked during well patrol; Each process switch should be confirmed twice. And we must develop good work habits.
7. Unqualified wellhead pressure grade or poor quality of wellhead gates and accessories lead to oil leakage. Unqualified pressure grade or unqualified gates and accessories will cause oil leakage accidents such as bursting and puncture, which will threaten the personal safety of employees.
Disposal: Replace unqualified products to ensure good quality.