Well intervention

Crown-Plug Pulling Performed as Riserless Light Well Intervention in the Gulf of Mexico

In a riserless-light-well-intervention (RLWI) operation in the Gulf of Mexico (GOM), a crown plug failed to release.

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In a riserless-light-well-intervention (RLWI) operation in the Gulf of Mexico (GOM), a crown plug failed to release. Slickline (SL) was the first method to be put into action. It was believed that repetitive attempts had broken the seal, resulting in saltwater inflow that had created hydrates. Twenty-five percent methanol/ethanol/glycol was pumped while jarring, but eventually the contingency plan was activated.

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