| 5759857 |
Leak detection using chemical markers |
Terrence A. Renner, Ashok K. Jhawar |
1998-06-02 |
| 5219471 |
Removal of metals and water-insoluble materials from desalter emulsions |
James F. Mosby, Jack E. Treadman, II |
1993-06-15 |
| 5114564 |
Sludge and oxygen quenching in delayed coking |
— |
1992-05-19 |
| 5110449 |
Oxygen addition to a coking zone and sludge addition with oxygen addition |
Dean G. Venardos |
1992-05-05 |
| 5059331 |
Solids-liquid separation |
— |
1991-10-22 |
| 5041207 |
Oxygen addition to a coking zone and sludge addition with oxygen addition |
Joseph A. Harrington, Ciro D. Sorrentino, Dean G. Venardos, Irwin Ginsburgh |
1991-08-20 |
| 4961840 |
Antifoam process for delayed coking |
— |
1990-10-09 |
| 4832823 |
Coking process with decant oil addition to reduce coke yield |
Gary S. Faagau |
1989-05-23 |
| 4824526 |
System for continuously and catalytically removing arsenic from shale oil and regenerating the catalyst |
— |
1989-04-25 |
| 4719006 |
Process and system continuously removing arsenic from shale oil with a catalyst and regenerating the catalyst |
— |
1988-01-12 |