Measurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mud

摘要: A system for the quantitative analysis of one or more evolving gases exiting a borehole includes Venturi ejector substantially capturing liberated in bell nipple and return line, rotating disk extractor extracting entrained dissolved drilling mud, gas analyzer analyzing quantifying captured extracted gases. The preferably is operatively coupled to pipe wiper may be arranged partially cover nipple. sucks out line causes negative pressure occur at such that air sucked into rather than same. has flowing countercurrent mud flow. As disks rotate, they pick up thin liquid film which exposed stream. Dissolved hydrocarbon evaporates, bubbles break resulting entering stream passed through trap analyzer. By knowing rate flow extractor, compositions as determined by analyzer, components different are found. Also, with known rates, flows combined proper ratio provide single representative