Patent ID: 6145596
Filing Date: 2000-11-14
Classification: E21B

Abstract:
An apparatus for injecting fluids, gases, solid particles or mixtures thereof into a well having first and second production tubing strings, the fluids being injected through a dual string well tree which has first and second vertical passages therethrough respectively aligned with the first and second production tubing string and has at least one valve for selectively closing each passage, the apparatus comprising:a first and a second isolation assembly, each having a high pressure tubing for insertion through the respective first and second vertical passages to isolate the fluids, gases, solid particles or mixtures injected therethrough from an interior of each of the vertical passages;a swedge having an axial passage adapted to be detachably mounted to the dual string well tree in sealed alignment with one of the vertical passages, the swedge having a top end adapted to support one of the assemblies to vertically offset the one assembly from the other.