1
A Richard Sinclair, S Byron Smith: Downhole chemical delivery system for oil and gas wells. Santrol, Howrey Simon Arnold & White, August 28, 2001: US06279656 (191 worldwide citation)

The invention is the method of treating of a well, a formation, or both, with the solids, liquids, or apparatuses, by 1) encasing the solids, liquids, or apparatuses in a water-soluble shell, 2) conveying the encased solids, liquids, or gases to the predetermined location in the well, and then 3) al ...


2
A Richard Sinclair, S Byron Smith: Downhole chemical delivery system for oil and gas wells. Santrol, Howrey, May 23, 2006: US07049272 (114 worldwide citation)

The invention provides a method of treating of a well, a formation, or both, with the solids, liquids, or apparatuses, by 1) encasing said solids, liquids, or apparatuses in a water-soluble shell, 2) conveying said encased solids, liquids, or apparatuses to a predetermined location in the well, and ...


3
A Richard Sinclair, S Byron Smith: Downhole chemical delivery system for oil and gas wells. Patricia A Kammerer, Howrey Simon Arnold & White, January 22, 2004: US20040014607-A1

The invention provides a method of treating of a well, a formation, or both, with the solids, liquids, or apparatuses, by 1) encasing said solids, liquids, or apparatuses in a water-soluble shell, 2) conveying said encased solids, liquids, or apparatuses to a predetermined location in the well, and ...