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Reducing gravel pack and formation dissolution during steam injection

Journal Article · · SPE (Society of Petroleum Engineers) Product. Eng.; (United States)
DOI:https://doi.org/10.2118/13660-PA· OSTI ID:7001345
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Gravel-packing sand and formation minerals dissolve in the hot alkaline water injected with steam. This dissolution is believed to cause gravel-pack failure and other production problems. This paper describes the use of ammonium salts in reducing dissolution by reducing the pH of generator effluents from values of 11 and greater to between 9 and 10. These salts, such as ammonium chloride and ammonium nitrate, do not significantly change feedwater pH. Both laboratory and field test results are presented. This paper also presents a brief summary of other methods proposed to prevent gravel and formation dissolution. In addition, the need for more information about the role of silica dissolution in causing production problems is discussed briefly.
Research Organization:
Unocal Corp.
OSTI ID:
7001345
Journal Information:
SPE (Society of Petroleum Engineers) Product. Eng.; (United States), Journal Name: SPE (Society of Petroleum Engineers) Product. Eng.; (United States) Vol. 1:6; ISSN SPENE
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ADDITIVES
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AMMONIUM NITRATES
BENCH-SCALE EXPERIMENTS
CHALCOGENIDES
CHLORIDES
CHLORINE COMPOUNDS
DATA
DISSOLUTION
ENERGY SOURCES
ENHANCED RECOVERY
EXPERIMENTAL DATA
FEEDWATER
FIELD TESTS
FLUID INJECTION
FORMATION DAMAGE
FOSSIL FUELS
FUELS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INFORMATION
MINERALS
NITRATES
NITROGEN COMPOUNDS
NUMERICAL DATA
OIL WELLS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PACKINGS
PETROLEUM
PH VALUE
PRODUCTION
RECOVERY
SAND
SILICA
SILICON COMPOUNDS
SILICON OXIDES
STEAM INJECTION
STIMULATION
TESTING
WATER
WELL STIMULATION
WELLS