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Husky Oil Operations Limited patents


Recent patent applications related to Husky Oil Operations Limited. Husky Oil Operations Limited is listed as an Agent/Assignee. Note: Husky Oil Operations Limited may have other listings under different names/spellings. We're not affiliated with Husky Oil Operations Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Husky Oil Operations Limited-related inventors


Pump isolation apparatus and method for use in tubing string pressure testing

An apparatus and method for pressure testing a tubing string of a fluid production well, the tubing string being provided with a progressing cavity pump at a downhole end, which apparatus and method can be used to help determine whether the tubing string has failed or the pump has failed. The apparatus comprises a plug member connected to the rod string assembly that includes the pump rotor, such that the rod string assembly can be lowered to seat the plug member in a seat member within the tubing string above the pump, thus sealing off and isolating the pump from the rest of the tubing string, allowing pressure testing of the tubing string above the pump.. ... Husky Oil Operations Limited

Progressive cavity pump and method for operating same in boreholes

A method for operating a progressive cavity pump wherein the stator has at least first and second active stator sections that are at different locations on the stator, comprising inserting a first rotor having a first active rotor section that is aligned with the first active stator section, and rotating the first rotor relative to the first active stator section such that the aligned first active rotor and stator sections generate a pumping force. Subsequently, the first rotor is removed and a second rotor is inserted having a second active rotor section that is aligned with the second active stator section, and rotating the second rotor relative to the second active stator section such that the aligned second active rotor and stator sections generate a pumping force.. ... Husky Oil Operations Limited

Heavy fluid injection method for cellar hydrocarbon recovery

A method for producing residual hydrocarbon located in a cellar region of a reservoir after sagd hydrocarbon production, wherein a higher-density fluid is injected into a first producer well to displace the residual hydrocarbon toward a second, adjacent producer well. The method may also produce residual hydrocarbon located in infill regions.. ... Husky Oil Operations Limited

Hot water injection stimulation method for chops wells

A method for stimulating heavy oil recovery from chops wells at or nearing the end of productive life but not experiencing water-out, wherein produced water is heated to below boiling point and injected back downhole to reduce heavy oil viscosity in the near-wellbore region and surrounding the wormhole network, enabling existing reservoir pressure to drive the reduced-viscosity heavy oil toward the well for production to surface. The injection-soak-production cycle can be repeated as desired so long as adequate reservoir pressure exists.. ... Husky Oil Operations Limited








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