[12] Patent
[11] Patent No.:GC0011339  
[45] Date of Publishing the Grant of the Patent: 1/Jun /2020                63/2020  
Number of the Decision to Grant the Patent:2020/169091
Date of the Decision to Grant the Patent:30/Jun/2020

[21] Application No.:GC 2012-21320

[22] Filing Date:20/5/2012

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventor: Omer Refa KOSEOGLU

[73] Owner: SAUDI ARABIAN OIL COMPANY, 1 Eastern Avenue, 31311, Dhahran , Saudi Arabia

[74] Agent: Suleiman I. Al-Ammar Law Office




Int. Cl.: C10B55/00; C10B57/04; C10B57/06; C10G9/00 (2006.01)

[56] Cited Documents:

-US 4 388 152 A (WASSON GEORGE E ET AL) 14 June 1983
-US 4 492 625 A (ALLAN DAVID E [US]) 8 January 1985
-US 4 394 250 A (GROSSBERG ARNOLD L) 19 July 1983
Examiner: Eng. Abdulaziz S. AlMotek

[57] Abstract: An improved delayed coking process utilizing a coking unit and a coking unit product fractionating column which includes the steps of: introducing the heated mixed whole crude oil and bottoms feedstream directly into the delayed coking unit; recovering a light product gas stream that includes H2S, NH3 and C1 to C4 hydrocarbons from the flash unit; recovering as separate side streams from the fractionating column naphtha, light gas oil and heavy gas oil; recycling a portion of the heavy gas oil by introducing it into the fractionating column optionally with the bottoms from the flash unit; mixing the fractionating column bottoms with the whole crude oil feedstream to form the mixed feedstream; and introducing the mixed whole crude oil and fractionating column bottoms feedstream into the furnace.
No. of claims: 21


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