SLIP ASSEMBLY

摘要

A slip assembly for supporting well pipe in a rotary table and including a slip bowl structure to be received and supported within the rotary table in a relation to turn with it, a carrier structure supporting a plurality of slips and mounted for upward and downward movement relative to the slip bowl structure and with the slips, latch means for releasably retaining the carrier structure and slips in a lower active pipe gripping position, and yielding means urging the carrier structure and slips upwardly to retracted positions when the latch means are released.