Sand-bearing water-soluble stick and methods of use

Details Sand-bearing water-soluble stick and methods of use Sand-bearing water-soluble stick and methods of use

1997-09-24

2000-08-01

Suchfield, George

Wells

Processes

Cementing, plugging or consolidating

166 7515, E21B 3313

Patent

active

060952466

ABSTRACT:
A sand-bearing water-soluble stick is provided, which descends rapidly through a column of salt water in a well, allowing the efficient and accurate placement of a column of sand throughout a particular interval of downhole pipe. Methods of use are provided which include sand placement techniques utilizing the stick in typical oil and gas well applications. Sizing and shaping options are provided which assist the user in correlating the sticks to the appropriate piping. In the preferred embodiment, the stick is formed from sand and polyethylene glycol, although the stick can be made with solid materials other than sand, and with other water-soluble bonding agents.

REFERENCES:
patent: 2336168 (1943-12-01), Eckel
patent: 2401035 (1946-05-01), Akeyson et al.
patent: 4214532 (1980-07-01), Oulsnam
patent: 5259901 (1993-11-01), Davis et al.
patent: 5479986 (1996-01-01), Gano et al.
The Dow Chemical Company, "The Polyglycol Handbook," 1988, Form No. 118-1026-889-AMS.
Christianson Chemicals, Inc., Material Safety Data Sheet and related materials.

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