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Annulus CommunicationsDiagnostics and Repair Using Pressure-Activated Sealant

机译:使用压力激活的密封剂进行环空通信诊断和维修

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Sustained casing pressure has been experienced in a number of underground storage wells. Sustainedrncasing pressure can be a significant safety hazard and, on a number of occasions, has resulted inrnuncontrolled releases from such wells. Sustained casing pressure results from the migration of fluids inrnthe annulus. The most common path for migration of fluids is through channels in the annular cement.rnTo safely and economically eliminate sustained casing pressure on storage wells, an injectable pressureactivatedrnsealant technology has been used to seal channels in the annular cement of the welsl andrneliminate the casing pressure. The mechanical integrity of the wells has been restored using thisrntechnology.
机译:许多地下储油井都经历了持续的套管压力。持续的套管压力可能会造成重大的安全隐患,并且在许多情况下导致从此类井中释放失控。持续的套管压力是由于流体向环空中迁移所致。流体运移的最常见途径是通过环形水泥中的通道。为了安全经济地消除套管在储油井上的持续压力,可注射压力激活密封剂技术已被用来密封威尔斯环形水泥中的通道并消除套管压力。使用该技术可以恢复井的机械完整性。

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