Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate
2011-07-12
2011-07-12
Figueroa, John J (Department: 1765)
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
C507S090000, C507S209000, C507S269000, C166S305100, C166S308600, C166S311000
Reexamination Certificate
active
07977283
ABSTRACT:
The amount of crystallized salt in an oil and/or gas well may be minimized or reduced by use of a fructan, such as inulin, or a derivative as a salt block inhibitor. A preferred salt inhibitor is the salt of carboxyalkyl inulin such as a sodium salt of carboxymethyl inulin. The salt block inhibitor may be adsorbed onto a water-insoluble adsorbent.
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D.M. Frigo et al.; Chemical Inhibition of Halite Scaling in Topsides Equipment; SPE 60191; 2000.
Gupta D. V. Satyanarayana
Kirk Joseph Walter
Kirk, legal representative Nancy Sue
Baker Hughes Incorporated
Figueroa John J
Jones John Wilson
Jones & Smith, LLP
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