Plug and method of unplugging a seat

MH Johnson, Z Xu - US Patent 8,573,295, 2013 - Google Patents
US8573295B2 - Plug and method of unplugging a seat - Google Patents US8573295B2 - Plug
and method of unplugging a seat - Google Patents Plug and method of unplugging a seat …

Multi-component disappearing tripping ball and method for making the same

G Agrawal, Z Xu - US Patent 8,327,931, 2012 - Google Patents
US8327931B2 - Multi-component disappearing tripping ball and method for making the same
- Google Patents US8327931B2 - Multi-component disappearing tripping ball and method for …

Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate

OA Mazyar, M Johnson, S Gaudette - US Patent 9,057,242, 2015 - Google Patents
A method of removing a downhole assembly comprises contacting, in the presence of an
electrolyte, a first article comprising a first material and acting as an anode, and a second …

Coated metallic powder and method of making the same

Z Xu, G Agrawal, B Salinas - US Patent 9,682,425, 2017 - Google Patents
A metallic powder is disclosed. The metallic powder includes a plurality of metallic powder
particles. Each powder particle includes a particle core. The particle core includes a core …

Corrodible downhole article and method of removing the article from downhole environment

OA Mazyar, MT McCoy - US Patent 9,139,928, 2015 - Google Patents
A method of removing a corrodible downhole article having a surface coating includes
eroding the surface coating by physical abrasion, chemical etching, or a combination of …

Engineered powder compact composite material

Z Xu, G Agrawal - US Patent 9,109,429, 2015 - Google Patents
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Nanomatrix powder metal compact

Z Xu, G Agrawal - US Patent 9,101,978, 2015 - Google Patents
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Disintegrable and conformable metallic seal, and method of making the same

Z Xu, YQ Xu, GL Hern, BM Richard - US Patent 9,605,508, 2017 - Google Patents
(57) ABSTRACT A seal includes a metal composite that has a cellular nano matrix that
includes a metallic nanomatrix material, a metal matrix disposed in the cellular nanomatrix …

Nanomatrix metal composite

Z Xu, S Chakraborty, G Agrawal - US Patent 8,425,651, 2013 - Google Patents
A powder metal composite is disclosed. The powder metal composite includes a
substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The …

Method of making and using a functionally gradient composite tool

Z Xu, M Johnson - US Patent 8,631,876, 2014 - Google Patents
US8631876B2 - Method of making and using a functionally gradient composite tool - Google
Patents US8631876B2 - Method of making and using a functionally gradient composite tool …