.~ Dissolving or preventing formation of solid oil deposit
DEFINITION
Classification: 166/304
(under subclass 244.1) A process in which paraffin or other similar solid petroleum deposits are dissolved by a solvent therefor or paraffin or other solid petroleum deposits are prevented from forming.
SEE OR SEARCH THIS CLASS, SUBCLASS:
112, for eduction pumps with means for throwing a jet oil on the sides of the well during pumping in order to dissolve or prevent formation of paraffin.
279, for a process for placing material (including paraffin solvents) in the pores of a formation to treat resident fluid flowing into the well.
300, for a process of removing paraffin comprising the interreaction of introduced chemicals.
302+, for a process of preventing formation of or dissolving paraffin comprising a heating or cooling step.
311+, for a process of cleaning in which paraffin may incidentally be dissolved or removed. 314, for a process of flowing a well in which paraffin may incidentally be dissolved or prevented from forming.
SEE OR SEARCH CLASS
507, Earth Boring, Well Treating, and Oil Field Chemistry,
90, for compositions for preventing contaminant deposits in petroleum oil conduits.
