FIELD: oil recovery industry for sealing the polished rod in wellhead operated by sucker-rod pump. SUBSTANCE: device has T-piece and stuffing box head located above it for inclination; they are tightly interconnected. Stuffing box head is mounted for translational motion; to this end, hollow lever is fitted between T-piece and stuffing box head and is connected with them by means of ball-and-socket joints. EFFECT: considerable increase of service life of stuffing box; possibility of performing facilitated centering in due time. 2 cl, 2 dwg
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Authors
Dates
1999-11-10—Published
1995-09-19—Filed