Wells – Processes – Placing fluid into the formation
Patent
1994-12-23
1996-05-28
Suchfield, George A.
Wells
Processes
Placing fluid into the formation
507238, 507934, 166902, E21B 4327
Patent
active
055202519
ABSTRACT:
An improved method for preventing iron precipitation from a spent oil well acidizing solution is disclosed. The acidizing solution is preceded into the tubular goods and formation by the injection of an iron sensitive, acid insensitive acidified surfactant solution.
REFERENCES:
patent: 3720265 (1973-03-01), Tate
patent: 4096914 (1978-06-01), McLaughlin et al.
patent: 4574050 (1986-03-01), Crowe et al.
patent: 4670163 (1987-06-01), Lindstrom et al.
patent: 4734259 (1988-03-01), Frenier et al.
patent: 5188179 (1993-02-01), Gay et al.
patent: 5200096 (1994-04-01), Williams et al.
patent: 5336441 (1994-08-01), Shah et al.
patent: 5441929 (1995-08-01), Walker
"Secondary Deposition of Iron Compounds Following Acidizing Treatments", C. F. Smith, C. W. Crowe, and T. J. Nolan III, SPE-AIME, Dowell Div. of The Dow Chemical Co., Journal of Petroleum Technology, Sep. 1969.
"Evaluation of Agents for Preventing Precipitation of Ferric Hydroxide from Spent Treating Acid", C. W. Crow, Dowell Div. of Dow Chemical U.S.A., Member SPE-AIME, SPE-12497.
"Iron Control Additives for Limestone and Sandstone Acidizing of Sweet and Sour Wells", B. E. Hall, Chevron Geoscience Co., and W. R. Dill, Halliburton Services, Member of SPE-AIME, SPE-17157.
"The Planning, Execution, and Evaluation of Acid Treatment in Sandstone Formations", H. O. McLeod, Jr., L. B. Ledlow, and M. V. Till, Conoco Inc., Members SPE-AIME, SPE-11931.
Looney Mark D.
Surles Billy W.
Bailey James L.
Delhommer Harold J.
Priem Kenneth R.
Suchfield George A.
Texaco Inc.
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