Vibration-Resistant Boltless ESP Component Connection

摘要

Devices and methods for reversibly securing first and second component subs of submersible well pump assembly. First and second component subs are provided with connection end portions which are placed into a sealed abutting relation. A connecting collar is threaded onto the first component sub. A locking groove on the first component sub receives a locking dog therein.

主权项

1. A submersible well pump assembly comprising:
a first component sub having a first connection end portion, the first component sub having an externally-threaded portion; a second component sub having a second connection end portion; a locking groove formed within one of the first connection end portion or the second connection end portion; a connection collar including an interior threaded portion to threadedly engage the externally-threaded portion of the first component sub; and including an inwardly-projecting dog formed upon the connection collar, the dog residing within the locking groove when the connection collar is threadedly engaged with the first component sub to preclude reverse rotation of the connection collar.