Method of treating flow conduits and vessels with foamed...

Details Method of treating flow conduits and vessels with foamed... Method of treating flow conduits and vessels with foamed...

2011-04-05

2011-04-05

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Dissolving or preventing formation of solid oil deposit

C166S300000, C166S309000, C134S022110

Reexamination Certificate

active

07918281

ABSTRACT:
The annular surface between the tubing and casing of an oil or gas well as well as flow conduits and vessels may be contacted with a foamed treatment composition containing a gas, a foaming agent and a treatment agent. The treatment agent may be an inhibitor or removal agent for scales, corrosion, salts, paraffins or asphaltenes. The foam, upon destabilization, renders a thin film of concentrated treatment agent on the external surfaces of the tubing, inside the casing and in the perforations of the oil or gas well or on the flow conduits or vessels.

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