Chapter 7.
STEAM
ENHANCED OIL RECOVERY
J.P. Fanaritis and G.V. Chilingarian
Introduction
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General data pertaining to steam injection
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Enhanced oil recovery classification
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Secondary production technique, 222-Tertiary pro-
Primary production technique, 2
duction technique, 222
Steam injection mechanisms
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Steam injection performance data
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Well depth, 224-Permeability, 224-Average injection rate, 226- Recovery,
226-Cumulative oil/steam ratio, 226
Friction
loss
effect
on
steam temperature, 228-Surface rad
heat
losses,
229-Heat losses to surrounding formations, 234
Wellbore and formation heat
losses
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229- Wellbore
Steam injection techniques
Cyclic steam injection
Steamflooding
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Recent development in steam injection techniques
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Steam additives
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Hotplate steam injection process
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Fracture-assisted steamflood process
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Introduction to equipment designs
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Equipment designs for steam injection projects
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Steam generator design
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Tube side flow design, 249-Suggested velocities in coils, 250-Radiant section design, 252
-Radiant tubewall temperature, 256-Convection section design, 258- Steam generator
thermal efficiency, 259-Feedwater deaeration, 260-Two-phase pressure drop,
261-Steam quality measurement instrumentation, 261-Low
NO,
burners, 264
Feedwater treatment
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Turbidity
of
feedwater, 265-Oil content, 265-Dissolved gases in feedwater,
kalinity of feedwater, 266-Silica content in feedwater, 266-Metal contaminants in
feedwater, 266-pH of feedwater, 266-Total hardness of feedwater, 267
Flue gas scrubbers
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Low-temperature economizers
Casing vent systems
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Downhole steam generators
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High-temperature thermal packers
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Solid-fuel-fired oilfield steam generators
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Sampleproblems
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References and bibliography
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Chapter 8. CORROSION IN DRILLING AND PRODUCING OPERATIONS
T.A. Bertness,
G.V.
Chilingarian and
M.
Al-Bassam
Introduction
Corrosive agents in drilling and producing operations
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Electrochemical corrosion
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Chemistry
of
corrosion and ele
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Definition of corrosion
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Requirements for electrochemical corrosion
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Components of electrochemical corrosion
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Actual electrode potentials
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e force series.
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221
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