| 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 sample 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 air is supplied to the gas sample extraction apparatus to maintain the fluid sample level within the sample canister at the desired fluid level. 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 a n 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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