摘要 |
A gas sample extraction apparatus to recover sample gases from fluids such a s the return flow drilling mud of an oil and gas well has a sample canister forming a sample chamber with a fluid inlet port and a fluid outlet port. The gas samp le extraction apparatus is disposed in a flow of fluid to be sampled, and the fluid sample flows through the sample chamber via the fluid inlet and outlet ports . A bubbler enclosure is in fixed relationship to the sample canister and has an exit bubbler port at the desired fluid level of the sample chamber. Compressed ai r is supplied to the gas sample extraction apparatus to maintain the fluid sample level within the sample canister at the desired fluid level.
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