1
James K Whanger, Simon J Harrall: Reinforced swelling elastomer seal element on expandable tubular. Weatherford Lamb, Moser Patterson & Sheridan L, December 28, 2004: US06834725 (169 worldwide citation)

An apparatus and method used for sealing a wellbore. The apparatus includes a swelling elastomer disposed around an outer surface of the tubular body. The swelling elastomer is isolated from wellbore fluid in an annulus. However, upon the application of an outwardly directed force to an inner surfac ...


2
James K Whanger, James Oliver: Self sealing expandable inflatable packers. Weatherford Lamb, Moser Patterson & Sheridan, January 24, 2006: US06988557 (17 worldwide citation)

The present invention generally relates to a sealing apparatus for isolating a wellbore. In one aspect, the present invention provides an expandable sealing apparatus having an expandable tubular and a sealing element disposed around the tubular. A chamber for maintaining a fluid is defined between ...


3
James K Whanger, Simon J Harrall: Reinforced swelling elastomer seal element on expandable tubular. Moser Patterson & Sheridan, June 17, 2004: US20040112609-A1 (1 worldwide citation)

The present invention generally relates to an apparatus and method for sealing a wellbore. In one aspect an apparatus for sealing a wellbore is provided. The apparatus includes a swelling elastomer disposed around an outer surface of the tubular body. The swelling elastomer is isolated from wellbore ...


4
James K Whanger, James Oliver: Self sealing expandable inflatable packers. William B Patterson, Moser Patterson & Sheridan, November 25, 2004: US20040231861-A1

The present invention generally relates to a sealing apparatus for isolating a wellbore. In one aspect, the present invention provides an expandable sealing apparatus having an expandable tubular and a sealing element disposed around the tubular. A chamber for maintaining a fluid is defined between ...