Particulate separator for fluid production wells

Details Particulate separator for fluid production wells Particulate separator for fluid production wells

1995-02-14

1996-09-10

Bagnell, David J.

Wells

With eduction pump or plunger

Having sediment trap or deflector

166231, E21B 4300

Patent

active

055536697

ABSTRACT:
An improved particulate separator is made from a strainer mandrel disposed in a velocity tube. The velocity tube and strainer mandrel are hollow and tubularly shaped and positioned concentrically such that a small radial distance is left open between the interior of the velocity tube and the exterior of the strainer mandrel to create an annular, vertical fluid flow region. The velocity tube and the strainer mandrel are attached to each other at their respective top ends by a solid plug means that prohibits fluid flow into or out of the top end of the annular fluid flow region. The bottom end of the strainer mandrel is plugged while the bottom end of the annular fluid flow region is left open to create the main fluid flow inlet to the particulate separator. The preferred velocity tube is a unitary hollow cylinder with a substantially solid wall while the strainer mandrel is preferably a helical tension spring.

REFERENCES:
patent: 50343 (1865-10-01), Maguire
patent: 1379477 (1921-05-01), Perry
patent: 1507927 (1924-09-01), Miller
patent: 4476925 (1984-10-01), Cox
patent: 5295537 (1994-03-01), Trainer

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