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US 10,479,704 B2Granted
Proppants for removal of contaminants from fluid streams and methods of using same
AssigneeTHE FRAZER AND CRUICKSHANK LIVING TRUST DATED Mar. 24, 1982
InventorsMissy Hayes, Gina Sacco, Nancy S. Sherwood
Life of this patent
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Abstract
The invention relates to the proppants and proppant substrates treated with active compounds that reduce the presence of contaminants in fluids, methods of using those materials, as well as methods of making those materials. The invention further provides that the contaminated fluids are associated with wells, including oil and gas wells.
Claims9
A sorption composition, comprising:
- a substrate material and an active compound for contaminant removal incorporated into or onto the substrate material, wherein the substrate material is a particulate material selected from the group consisting of ceramic, admixtures containing ceramics, and ceramic beads and wherein the active compound is a sulfur compound selected from the group consisting of ferrous sulfide, elemental sulfur, ferric ammonium sulfate, sodium hydrosulfide, dimethyl disulfide, dithiocarbamates, aluminum sulfide, copper sulfate, copper sulfide, and copper sulfate ammoniated, wherein the sulfur content, as % S, is from 0.1 to 25 wt %.
Dependencies are inferred from the claim text.