Ruixin Energy Equipmnet
Innovation Excellence
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I.Introduction
The Swivel Joint is a wireline accessory used minimise the effect of line twist caused by
subsurface devices being run.
II.Product description
| Actual O.D. | Fishneck O.D. | Connection |
| 1.25＂ | 1.187" | 15/16UN |
| 1.5＂ | 1.375＂ | 15/16UN |
| 1.875＂ | 1.75＂ | 1-1/16UN |
| 2.125" | 1.75" | 1-1/16UN |
| 2.25" | 1.75" | 1-1/16UN |
| 2.5＂ | 2.313＂ | 1-9/16UN |
Tools can be manufactured to any size required.
III.Structure characteristics
Wireline Swivel Joint consists of upper sub, lower sub, mandrel, bearing sleeve, thrust ball
bearing, etc.. The mandrel with thrust ball bearing fixed is then installed to the bearing sleeve.
The upper sub is connected to the bearing sleeve and the lower sub is connected to the mandrel
with screws. And fix the swivel joint between the rope socket and stem. The thrust ball bearing is
with tiny friction. When the stem, etc. drives the mandrel to rotate, the upper bearing sleeve and
the upper sub do not move. Thus, Wireline Swivel Joint connected to the rope socket will be
prevented from twisting off.
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