Bell nipple densitometer method and apparatus

Measuring and testing – Borehole or drilling – Downhole test

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E21B 4706

Patent

active

044084862

ABSTRACT:
A method and apparatus for continuously determining the amount of entrained gasses and drilling fluid before the entrained gas is released to the atmosphere whereby differential pressures at vertically spaced locations in a bell nipple are monitored to determine changes in the weight of drilling fluid due to entrained gasses.

REFERENCES:
patent: 1761295 (1930-06-01), Greenfield
patent: 2434098 (1948-01-01), Bags
patent: 2746292 (1956-05-01), Vetter
patent: 3182510 (1965-05-01), Melchior
patent: 3827295 (1974-08-01), Rochon et al.
patent: 3911741 (1975-10-01), Rochon et al.
patent: 4274283 (1981-06-01), Maus et al.

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