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U.S. Department of Energy
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Method of removing liquids and small solids from well bore

Patent ·
OSTI ID:6985868
A method is described for removing liquids, small solids, chips, and the like from well bores during drilling and well cleaning operations. Use is made of certain hydroxy alkyl sulfonates as foaming agents in the gas drilling of wells and in well clean-out operations. The sulfonates may be generally any of the alkali metal salts such as lithium, sodium, potassium, and the like. The alkali metals preferred are sodium and potassium. (4 claims)
Assignee:
Continental Oil Co.
Patent Number(s):
US 3773110
OSTI ID:
6985868
Country of Publication:
United States
Language:
English