Wells – Processes – Dissolving or preventing formation of solid oil deposit
Reexamination Certificate
2007-11-20
2007-11-20
Suchfield, George (Department: 3676)
Wells
Processes
Dissolving or preventing formation of solid oil deposit
C166S177700, C166S202000, C166S222000, C166S311000, C166S312000, C507S203000, C507S259000, C507S260000, C507S261000, C507S263000, C507S267000, C507S277000, C507S930000, C507S931000
Reexamination Certificate
active
11092422
ABSTRACT:
A method for cleaning oil wells to increase the flow of oil thereof by use of a unique aqueous cleaning emulsion comprising of water, hydrocarbon solvent, detergent and mineral acid. This one step method provides for the simultaneously cleaning/removal of asphaltine and/or paraffin and scale. This method can be used alone or with the assistance of a wash tool which is a combination pressure and surge wash tool having a nipple assembly. A by-pass port is coupled to the nipple assembly and a diverter cup is coupled to the by-pass port. A plurality of pressure wash cups are positioned on the tool. A pressure wash port is located between the plurality of pressure wash cups and a pump shoe assembly is coupled to a bottom pressure wash cup.
REFERENCES:
patent: 3279541 (1966-10-01), Knox et al.
patent: 3353603 (1967-11-01), Knight
patent: 4101425 (1978-07-01), Young et al.
patent: 4836286 (1989-06-01), Edwards
patent: 5008026 (1991-04-01), Gardner et al.
patent: 5152907 (1992-10-01), Dulaney et al.
patent: 5762138 (1998-06-01), Ford et al.
patent: 6242388 (2001-06-01), Sharma et al.
patent: 6593279 (2003-07-01), Von Krosigk et al.
patent: 2003/0111226 (2003-06-01), Dyer
Mullen James J.
Suchfield George
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