| 摘要 |
Apparatuses and methods to inject chemical stimulants ( 284 ) to a production zone ( 102, 202 ) through a string of production tubing ( 110, 210 ) around a downhole obstruction are disclosed. The apparatuses and methods include deploying an anchor seal assembly ( 200 ) to a landing profile ( 120, 220 ) located within a string of production tubing ( 110, 210 ). The anchor seal assembly ( 200 ) is in communication with a surface station through an injection conduit ( 260, 264 ) and includes a bypass pathway ( 262 ) to inject various fluids to a zone below.
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