ASA
Definition
Annular Seal Assembly
ASA means Annular Seal Assembly. aka Pack-off, drilling term: A flexible, usually elastomeric sealing element and housing used to seal an irregular surface such as a wireline. A system of seals arranged on the component…
aka Pack-off, drilling term: A flexible, usually elastomeric sealing element and housing used to seal an irregular surface such as a wireline. A system of seals arranged on the component that engages in a sealbore to isolate the production-tubing conduit from the annulus.
✓ Verified term