1
John R Deming, Suzanne Griston, Ki C Hong: Parallel string method for multiple string, thermal fluid injection. Chevron Research Company, John A Rafter Jr, Edward J Keeling, June 17, 1986: US04595057 (14 worldwide citation)

A method for thermal fluid injection into a plurality of strata wherein a well is packed off to establish a first and a second zone. A first tubing string is introduced and is terminated in the first zone. The first tubing string is paralleled by a second tubing string. The first and second tubing s ...


2
John A Rafter Jr: Method and apparatus for obtaining liquid samples. Chevron Research Company, John A Rafter Jr, Edward J Keeling, December 16, 1986: US04628749 (14 worldwide citation)

The present invention provides a method and apparatus for obtaining liquid samples from a system which is under pressure or vacuum.


3
Andrew T LaVeine: Flexible mat screening apparatus with offset supports. Stoel Rives, John A Rafter Jr, June 24, 2014: US08757392 (4 worldwide citation)

Mechanical separators and screening machines, and methods for flexible sieve mat screening are disclosed. In an example configuration, a flip-flow type flexible mat screening apparatus is provided with optimized relative elevation positions for adjacent pairs of first and second mat supports. In one ...