gas column

gas column

[′gas ‚ka·ləm]
(geology)
The difference in elevation between the highest and lowest parts of the various producing zones of a gas-producing formation.
References in periodicals archive ?
Well 7219/8-2, drilled by the drilling rig West Hercules, has proved an approximately 200 metre gas column.
Well 7220/7-2 S was drilled by the rig West Hercules and in the Jurassic TubENen formation has proven a 23-metre oil column and a 22-metre gas column, and a 133-metre oil column in the Triassic Fruholmen formation.
GT's log interpretation indicates a gas column of 67 meters from 3814.
Well 7220/7-2 S, drilled by the rig West Hercules, has proven a 22-metre gas column and a 23-metre oil column in the Jurassic TubENen formation, and a 133-metre oil column in the Triassic Fruholmen formation.
Main wellbore 30/11-9 S tested the Askja West prospect and proved a net gas column of 90 metres in Late and Middle Jurassic rocks.
The Lambouka-1 well intersected a gas column interpreted based on comprehensive LWD (logging while drilling) and a wireline logging data set which was recovered during the drilling of the well.
The first phase of drilling Plawce-2 will be a vertical well to confirm the rock properties and the thickness of the gas column after which, depending upon the results of the vertical well, a horizontal leg will be drilled.
Heintschel #1 - Drilled in April, this well encountered a much thicker gas column (230 + ft, 70m) covering a much larger area (4,460 acres, 18 sq km) than was expected, in Wilcox sands.
Upon the confirmation of a minimum gas column, the pilot hole will be plugged back and deviated.
The next stage of testing is to move upwards into the bottom of the overlying 225 foot gas column to continue testing and to prepare the well for fraccing.
The well encountered significant gas shows in the shallower Tyonek sandstone formation at approximately 3,000 feet which were corroborated by an apparent gas column on the well logs.

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