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U.S. Department of Energy
Office of Scientific and Technical Information

Dry sand foam generator

Patent ·
OSTI ID:5838885
This patent describes an apparatus connected to sources of pressurized gas, proppant and fluid and generating proppant laden foamed fluid for injection into a well, the foam generating apparatus, comprising: a body; a main flow passage disposed through the body and having an inlet and an outlet; an annular plenum disposed in the body and surrounding the main flow passage; a second flow passage disposed in the body and having a first inlet end and a second end communicated with the annular plenum; adjustable annular nozzle means, disposed in the body between the annular plenum and the main flow passage, for providing an annular flow path of adjustable width communicating the annular plenum with the main flow passage; and supplemental gas introduction means for supplying additional quantities of the pressurized gas into the body as required to achieve desired quality of the foamed fluid.
Assignee:
Halliburton Co., Duncan, OK
Patent Number(s):
US 4830794
OSTI ID:
5838885
Country of Publication:
United States
Language:
English