Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Hay Pulley
hay pulley
A pulley that is normally attached to the wellhead at a convenient place for the wireline to pass through as it comes from the stuffing box sheave before being spooled onto the wireline reel. The hay pulley prevents any lateral force from being exerted on the lubricator and the wellhead.
sheave
A grooved pulley.
snatch block
A sheave or pulley that can be opened up for putting a line over the roller or sheave.