Drilling nipple gas trap

Details Drilling nipple gas trap Drilling nipple gas trap

1990-05-16

1991-04-16

Neuder, William P.

Boring or penetrating the earth

Processes

Sampling of earth formations

175 66, 175206, 175209, E21B 2100

Patent

active

050074881

ABSTRACT:
The present invention is a gas sampling device. A gas sampling tube and pump withdraw gas which evolves into the atmosphere as the drilling fluid in the annular space exits the wall bore. Drilling fluid and debris which may be entrained in the gas sample are separated by gravity settling in a separation device. A purge line may be used to agitate drilling mud and force gas toward the gas sampling tube.

REFERENCES:
patent: 3417830 (1968-12-01), Nichols
patent: 3965998 (1976-06-01), Gyongyosi et al.

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