Passive booster for pumping liquified gases
The present invention comprises a method and apparatus for maintaining a liquified gas such as CO/sub 2/ or N/sub 2/ in a liquid state prior to its introduction into the suction of a positive displacement pump such as is commonly employed in high pressure well stimulation work in the petroleum industry. A heat exchanger, preferably referred to as a passive booster, is placed in the liquified gas feed line between the gas source and the positive displacement pump. Gas is introduced into the shell side of the passive booster from a chamber in the tube side through a variable orifice throttling valve which, through the Joule-Thomson Effect, drops the temperature of the gas in the shell to provide refrigeration for the main liquified gas flow through the tube side of the passive booster. Flow through the variable orifice valve may be controlled manually or automatically. A back pressure valve on the shell side of the passive booster may be employed to prevent solid formation if one is employing liquified CO/sub 2/, which forms a solid phase at low temperature at normal atmospheric pressure.
- Assignee:
- Halliburton Company
- Patent Number(s):
- US 4487025
- OSTI ID:
- 5795843
- Resource Relation:
- Patent File Date: Filed date 18 Apr 1983; Other Information: PAT-APPL-485805
- Country of Publication:
- United States
- Language:
- English
Similar Records
Gas lift system
DEMO4; CRBR reactor and plant transient analysis. [CDC7600; FORTRAN IV]
Related Subjects
CARBON DIOXIDE
PUMPING
SOLIDIFICATION
OIL WELLS
CARBON DIOXIDE INJECTION
PUMPS
LIQUID FLOW
ENHANCED RECOVERY
GAS FLOW
HEAT EXCHANGERS
JOULE-THOMSON EFFECT
NITROGEN
PIPELINES
PRESSURE CONTROL
REFRIGERATION
TEMPERATURE CONTROL
VALVES
WELL INJECTION EQUIPMENT
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CONTROL
CONTROL EQUIPMENT
COOLING
ELEMENTS
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FLUID INJECTION
MISCIBLE-PHASE DISPLACEMENT
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
RECOVERY
WELLS
020300* - Petroleum- Drilling & Production