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US 6,722,105 B2Granted
Method of making an inflatable gas bag for use as a borehole plug
AssigneeStemlock, Incorporated
InventorsSanford S. Jenkins, Thomas S. Jenkins, Geoffrey R. Robbins
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Abstract
A method for making a chemically inflatable gas bag using technical grade acetic acid, water, and sodium bicarbonate is provided. The method includes pouring diluted acetic acid into an HDPE bag, putting sodium bicarbonate into a PVA bag, sealing these bags, and placing these bags within a nylon/PE bag. The method further includes folding the gas bag in such a manner so that it easily inflates and completely seals the borehole.
Claims5
A method for making a chemically inflatable gas bag using technical grade acetic acid, water, and sodium bicarbonate, comprising:
- diluting said acetic acid with water;
- providing an HDPE bag;
- pouring said diluted acetic acid into said HDPE bag;
- sealing said HDPE bag wherein said diluted acetic acid is contained;
- providing a PVA bag that is modified so as not to hydrolyze under alkaline conditions;
- putting said sodium bicarbonate in said PVA bag;
- sealing said PVA bag wherein said sodium bicarbonate is contained;
- providing a nylon/PE bag;
- and
- placing said PVA soluble bag and said HDPE bag within said nylon/PE bag.
7 more elements
Dependencies are inferred from the claim text.