Research Article
Study on Autogenous Heat Technology of Offshore Oilfield: Experiment Research, Process Design, and Application
Table 12
Design of deicing and plugging removal.
| Slug | Name | Dosage (L) | Effect |
| First | Pour point reducer solution | 2 | Reduce the solidification point of solution in wellbore | Second | NH4Cl+NaNO2 supersaturated solution | 5 | The autothermic main agent was added to the solution in the wellbore and dissolved | Third | Catalyst solution of autothermal reaction | 0.5 | Accelerate the self-heating reaction to release heat quickly to melt the ice |
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