Oil and gas exploration system and method for detecting trace amounts of hydrocarbon gases in the atmosphere

作者: Paula R. Wamsley , Carl S. Weimer , Loren D. Nelson , Martin J. O'Brien

DOI:

关键词: OpticsFossil fuelTrace AmountsAtmosphereDetectorAbsorption (electromagnetic radiation)LaserWavelengthLidarChemistry

摘要: An oil and gas exploration system method for land airborne operations, the used locating subsurface hydrocarbon deposits based upon a remote detection of trace amounts gases in atmosphere. The one or more target atmosphere is to indicate possible deposit. By mapping plurality targets over selected survey area, area can be analyzed measurable concentration anomalies. anomalies are interpreted along with other data evaluate value an underground includes differential absorption lidar (DIAL) spectroscopic grade laser light detector. continuously tunable mid-infrared range, 2 5 micrometers, choosing appropriate wavelengths measure different avoid bands interference gases. has sufficient optical energy atmospheric concentrations path as long mile greater. on measurements at specific open Light that detected using detector contains signature acquired travels through from source back each processed then determine if potential anomaly exists.

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