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Description: After years as a result of mining, many old wells appeared casing deformation, corrosion and other conditions, such as the southern part of the tower and the wheel wells Tarim Oilfield, in the job, they would often sit Packers to win the title can not be sealed , resulting in job fails to secure oil production has brought many difficulties. Accordingly, after our technical staff and experts in fields related to many exchanges demonstration, the ultimate success of the two-group design mechanical packer seal program, this program can guarantee two cones can be reliably packer, and as long as there is a set of cones when can a reliable seal the entire packer can be reliably sealed, which can effectively solve many old wells due to casing deformation, corrosion and other reasons packer seals and other issues can not win the title.
How it works: The new Dual multifunction mechanical seal packer is a large diameter, can be bi-directional pressure packer packer hanging. It relies on the weight of the column packer to packer rubber tube to seal the annulus, the latter through the column to remove the packer to put weight on the rear cones achieve re-opened. The packer is designed as a stratigraphic test, acid fracturing, cementing plugs underground operations. Chase Drive so that only a small pressure drop at the pump had plenty of fluids, and through the through-tubing perforating gun. Therefore, the new multi-purpose dual mechanical seal set in a downhole packer can perform a variety of functions in the job.
Features: The new Dual multifunction mechanical seal packer is anchored by a hydraulic system, dual group cones sealing systems, anchoring systems and slip friction transposition system of four bodies, the connection between the two sets of cones the key is to design the structure of the project. In the lower part of the kava recoil live two cones simultaneously packer, and will not appear displacement between two cones cones leaving one group packer untrue and where they fail. As long as there is a set of cones reliable sealing, can guarantee a reliable seal the entire packer. Re-opened when needed tool shed tucked string cones sit on the weight of the column, so that the plastic tube back position, the packer can be re-opened. |
