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US 9,434,871 B2Granted
Method and system for removing organic deposits
AssigneePetroliam Nasional Berhad (Petronas)
InventorsNor Hadhirah Bt Halim, Jamal Mohamad Bin Mohamad Ibrahim, Siti Rohaida Binti Mohd Shafian, Sanjay Misra, Kulwant Singh
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Abstract
A method and a thermo-chemical system for removing organic deposits such as wax, asphaltenes and resins in oil well borehole, and oil production and transportation tubing and pathway.
Claims29
A method for treating or removing organic deposits formed around oil well boreholes, oil production and transportation tubing, and pathway systems comprising:
- injecting a first heavy aromatic naphtha based solution, the first solution including LABSA or aliphatic acids or mixtures of both;
- injecting a second heavy aromatic naphtha based solution, the second solution including amines;
- reacting the first and second solutions to produce imides and heat;
- and
- using the heat generated from the reaction to remove the organic deposits.
2 more elements
Dependencies are inferred from the claim text.