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Brine chemistry and control of adverse chemical reactions with natural gas production. Annual report, January-December 1984

Technical Report ·
OSTI ID:5586275
; ; ; ;
Monitoring brine chemistry to determine the extent of potential adverse reactions was simplified by the development of a field brine test kit and a series of nomographs. Results of the kit analyses serve as input to the nomographs, which provide a graphic means of determining the scaling tendency (Saturation Index value) of a brine. Brines that do not tend to form scale may be corrosive. Saturation Index values have been correlated with various processes using data from geopressured wells in the Gulf Coast area. Control of scale in surface equipment of geopressured wells by chemical inhibitors has been successful. Downhole treatment with inhibitors to prevent scale formation in the production tubing is being investigated. Laboratory simulations indicate that an inhibitor squeeze treatment may be successful at the Gladys McCall No. 1 well. Inhibitor mixtures exhibit additive behavior at minimum concentration levels; however, behavior at maximum concentration may depend on the type of inhibitor used. It is possible that inhibitor mixtures could be used to extend the upper limit of inhibitor effectiveness. Control of corrosion by a coating of ferrous carbonate is being investigated in the laboratory. Electrochemical corrosion studies are planned for the future.
Research Organization:
Rice Engineering Design and Development Inst., Houston, TX (USA)
OSTI ID:
5586275
Report Number(s):
PB-85-192268/XAB
Country of Publication:
United States
Language:
English

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Related Subjects

03 NATURAL GAS
030800* -- Natural Gas-- Environmental Aspects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
BRINES
CHEMICAL REACTIONS
COATINGS
CORROSION INHIBITORS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
NATURAL GAS
PROTECTIVE COATINGS
SCALING
WATER WELLS
WELLS