Iron sulfide clean-up composition and method

Details Iron sulfide clean-up composition and method Iron sulfide clean-up composition and method

2005-05-03

2005-05-03

Webb, Gregory (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

C507S268000, C507S932000, C507S939000, C166S902000, C510S401000

Reexamination Certificate

active

06887840

ABSTRACT:
An iron sulfide cleaning composition is described, along with a process for using the iron sulfide cleaning composition. The iron sulfide cleaning composition is simple to use and effective in removing deposits of iron sulfide from hydrocarbon wells. The iron sulfide cleaning composition consists of formaldehyde or glutaraldehyde, methanol, 2-butoxyethanol, isopropyl alcohol, hydrochloric acid, Surfactant Intermediate, Surfactant/Corrosion Inhibitor, glacial acetic acid and water.

REFERENCES:
patent: 4220550 (1980-09-01), Frenier et al.
patent: 4501668 (1985-02-01), Merk et al.
patent: 4978512 (1990-12-01), Dillon
patent: 5462721 (1995-10-01), Pounds et al.
patent: 6068056 (2000-05-01), Frenier et al.

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