Gas well discharge velocity dissipator
Patent
·
OSTI ID:7041241
This patent describes a device for dissipating a high pressure stream of gas and liquid conducted for a well through a discharge line for release to atmospheric pressure. The devices mounted at the end of the line and locatable in a liquid containment enclosure. The device comprising: open-bottomed hood mountable in the enclosure with the hood bottom spaced from the bottom of the enclosure and the hood having a front wall, an opposing rear wall and a downwardly sloped mid wall; conduit means mounted through the front wall and connected to the discharge line for discharging the stream towards the rear wall of the hood; first dissipator tube lying with its axis generally perpendicular to the rear wall of the hood and having a front wall connected to the conduit for conducting the stream into the first tube. The tubular wall of the first tube having a plurality of apertures therein and the diameter of the first tube being larger than the diameter of the conduit; first grate affixed within the rearward portion of the first tube and having a multitude of stream-passing apertures therein, second dissipator tube having a diameter significantly larger than the diameter of the first tube and mounted coaxially with the first tube with the open rear end of the first tube disposed at the open front end of the second tube, and the open rear end of the second tube spaced from and directly opposite the rear wall of the hood. The wall of the second tube having a plurality of apertures therein; and second grate affixed within the rearward portion of the second tube, and having a multitude of stream-passing apertures therein.
- Assignee:
- NOV; EDB-90-065254; NOV-90-002603
- Patent Number(s):
- US 4877084; A
- Application Number:
- PPN: US 7-270839A
- OSTI ID:
- 7041241
- Country of Publication:
- United States
- Language:
- English
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