Method to remove wellbore damage using thermochemical fluid

A method for removing well bore damage, the method comprising:

• conducting a pre-treatment injectivity test to measure injectivity;
• performing an acid cleaning of one or more of a coiled tubing and the well bore using a hydrochloric acid mixture of 7 to 15 wt % hydrochloric acid;
• displacing the hydrochloric acid mixture with a first fresh water stream;
• injecting a composition comprising at least 10 wt % acetic acid into the well bore;
• performing gel jetting of the well bore with a gel mixture, and displacing the gel mixture with a second fresh water stream;
• injecting an organic solvent mixture into the well bore and allowing the organic solvent mixture to soak for 2 to 6 hours;
• injecting a thermochemical mixture into the well bore, thereby increasing temperature and pressure and cleaning build up from the well bore;
• soaking the thermochemical mixture in the well bore for 1 to 6 hours, producing a solubilized sludge;
• and
• flowing fresh water through the well bore to remove the solubilized sludge.