Means for preventing damage to jacketed flexible pumping strand

Details Means for preventing damage to jacketed flexible pumping strand Means for preventing damage to jacketed flexible pumping strand

1974-04-03

1976-03-23

Richman, Barry S.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

21 2, 21 25R, 21 27R, 137539, 138109, 138178, 166243, 403 31, 403 37, B05C 500, C23F 1100, E21B 1704, E21B 4300

Patent

active

039457958

ABSTRACT:
Damage due to rupture or ballooning of the plastic jacket on a flexible pumping strand due to filling of the well with gas is prevented by providing an assembly including a preset pressure release valve in the lower portions of the strand to quickly release fluid from the interior of the strand to the surrounding environment upon the attainment of a pressure differential between the interior and exterior of the strand within a predetermined fraction of the rupture or ballooning strength of the plastic jacket on the pumping strand.

REFERENCES:
patent: 1570828 (1926-01-01), Fisher
patent: 2658939 (1953-11-01), Greenfield et al.
patent: 3219373 (1965-11-01), Sutliff
patent: 3263520 (1966-08-01), Tschanz
patent: 3301277 (1967-01-01), Kelley
patent: 3637341 (1972-01-01), Horton et al.

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