gas pocket


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gas pocket

[′gas ‚päk·ət]
(geology)
A gas-filled cavity in rocks, especially above an oil pocket.
(metallurgy)
A cavity in a metal which contains trapped gases.

gas pocket, blowhole

A hole or void, as in a casting, which results from entrained air.
References in periodicals archive ?
Air in the neck, as revealed by crepitations or gas pockets on lateral x-ray films, should alert the physician to the possibility of spreading infection.
Careful measurements show that the pulses are dictated by the size of particles being destroyed as gas pockets blow out.
Al-Ahmadi sees a follow-up and monitoring of gas percentages daily in order to deflate gas pockets and till all repressed gas evaporates.
For instance, the methane gas pockets present in pipeline oil have traditionally been burned off when it reached the oil refinery.
Stratigraphic trappings appear to contain natural gas pockets in many of the formations within the prospect area.
When they occur, these small gas pockets (trapped under the surface of the casting) often go unnoticed until machining.
We knew it was critical to have a simple, low-cost method for eliminating gas pockets from the ampoules of our needle-free injectors, well before we finalized our device designs.
Shallow gas pockets are the cause of all of Alaska's blowouts except one.
Also, large gas pockets generated by rotting vegetation trapped in the lake's sediments could be shaken loose by seismic activity too small for people to feel.
Although the presence of methane on the site - atop an oil field downtown - had long been known, the location and concentration of the gas pockets surprised school officials.
Incomplete filling of the mold, surging of metal flow that makes it appear that the mold cavity is filled, and entrapped gas pockets in the mold cavity may result if these precautions are not heeded.
UNOCAL, along with other producers, plans to drill exploration wells this year, continuing the search for untapped oil and gas pockets in the mature Cook Inlet field and its surrounding area.