Duncan, Oklahoma
United States
12
2013-09-12
The entities that hold a legal rights for patent applications filed by inventor Allison David B.:
David B. Allison from Duncan, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Optimizing subterranean treatment characteristic by digital geoinformatics
#2 | 2012-11-08Particulate materials coated with a relative permeability modifier and methods for treating subterranean formations using treatment fluids containing the same
#3 | 2012-03-01Rapid swelling and un-swelling materials in well tools
#4 | 2011-04-28Swellable spacer fluids and associated methods
#5 | 2011-04-14Well tool including swellable material and integrated fluid for initiating swelling
#6 | 2011-02-17Methods for swelling swellable elements in a portion of a well using a water-in-oil emulsion
#7 | 2011-02-17Methods for swelling swellable elements in a portion of a well using an oil-in-water emulsion
#8 | 2011-02-10Use of swellable material in an annular seal element to prevent leakage in a subterranean well
#9 | 2010-05-27Use of swellable material in an annular seal element to prevent leakage in a subterranean well
#10 | 2009-07-16Swellable packer with composite material end rings
#11 | 2008-05-15Well tool including swellable material and integrated fluid for initiating swelling
#12 | 2005-06-09Apparatus and method for gravel packing an interval of a wellbore
432239 ⎘