Method of sealing leaks in metal oil storage containers

Details Method of sealing leaks in metal oil storage containers Method of sealing leaks in metal oil storage containers

1974-05-22

1977-03-01

Rzucidlo, Eugene C.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Uniting preform member with molding material

252 72, 260 296H, 260 296HN, 260 296WQ, 260 2965Q, 264 32, 264 36, E04B 116

Patent

active

040102319

ABSTRACT:
This invention relates to sealing small leaks in oil containers such as tankers, underground storage tanks, and the like, by plugging the orifice of the leak utilizing water-soluble polymers which have been dispersed in a water-in-oil emulsion wherein the oil is the continuous phase.
The active sealant consists of small densely packed spheres of the water-soluble polymers which have an effective size of about 0.5-500 microns. The dosage on an oil-wet surface is about 3-15 percent based on the weight of the oil present and may alternatively be measured as about 10-1000 ppm of polymer spheres applied to the orifice.

REFERENCES:
patent: 3282874 (1966-11-01), Friedrich et al.
patent: 3630914 (1971-12-01), Nankee et al.
patent: 3721295 (1973-03-01), Bott

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