Riser pipe string

Details Riser pipe string Riser pipe string

1977-02-25

1978-03-14

Leppink, James A.

Wells

With below and above ground modification

Eduction pump or plunger in well

175 7, 61 54, 61102, E21B 33035

Patent

active

040786056

ABSTRACT:
There is disclosed a riser pipe string made up of riser pipe sections each comprising a pipe length and a fairing carried by the pipe for free rotation thereabout.

REFERENCES:
patent: 2994201 (1961-08-01), Hutchings
patent: 3352118 (1967-11-01), Burkhardt
patent: 3410096 (1968-11-01), Schuh

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