Swabbing Operations
Potential Hazards
- loss of well control
- fire, explosive, or respiratory hazard from leakage or venting of oil or gas from tanks, lines or lubricator
- being struck by a pressurized line
- being exposed to a high-pressure connection failure caused by mismatched or excessively worn hammer unions
- being struck by pressurized fluids or the lubricator when removing the lubricator from the well
- getting strains and sprains from handling the lubricator
- pinching fingers between swab assembly and lubricator when changing swab cups or mandrels
We will take a closer look at the possible solutions involving hazards in swabbing operations in the next section.
Knowledge Check Choose the best answer for the question.
6-6. While swabbing, what is the hazard from mismatched or excessively worn hammer unions?
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