Methods of whole crude and whole crude wide cut hydrotreating low hetroatom content petroleum

Patent metadata

Field	Value
Publication number	US-11566188-B2
Application number	US-202117325869-A
Country	US
Kind code	B2
Filing date	May 20, 2021
Priority date	May 22, 2020
Publication date	Jan 31, 2023
Grant date	Jan 31, 2023

Abstract

Method of refining whole crude oil or a wide cut crude oil, the methods comprising a combination of a hydrotreating reactor, a distillation tower, and an optional flash evaporation separator. The methods can also include light ends processing, fluid catalytic cracking, reforming, hydrocracking, and demetalization. In some methods a whole crude oil is first processed through a flash evaporation separator to create a wide cut crude oil and in other methods, the flash evaporation separator is not used as the whole crude oil is first treated in a hydrotreater.

First claim

What is claimed is:

1. A method of refining whole crude oil, the method comprising:
providing a hydrotreating reactor, a distillation tower, and an optional flash evaporation separator, and a whole crude oil stream, the whole crude stream comprising less than about 1 wt % sulfur;
feeding the whole crude oil stream into the hydrotreating reactor;
processing the whole crude oil stream within the hydrotreating reactor to create a treated stream;
feeding the treated stream into the distillation tower; and
processing the treated stream within the distillation tower to create one or more petroleum distillate streams.

2. The method of claim 1 , wherein the whole crude oil stream comprises at least one of a boiling point range between about T5 90° F. to about T95 1200° F. and less than about 35 wt % aromatics.

3. The method of claim 1 further comprising;
feeding the whole crude oil stream into the flash evaporation separator;
processing the whole crude oil stream within the flash evaporation separator to create a plurality of flashed streams comprising a kero plus remainder stream and at least one of a light ends stream and a flashed naphtha stream;
feeding the kero plus stream into the hydrotreating reactor.

4. The method of claim 1 , wherein the one or more petroleum distillate streams comprises a bottom petroleum distillate stream and further comprising:
providing a fluid catalytic cracker in series with the bottom petroleum distillate stream from the distillation tower;
feeding the bottom petroleum distillate stream into the fluid catalytic cracker; and
processing the bottom petroleum distillate stream within the fluid catalytic cracker to create at least one fluid catalytic cracker stream.

5. The method of claim 4 , wherein the at least one fluid catalytic cracker stream comprises at least a catalytic naphtha stream and a light cycle oil stream.

6. The method of claim 5 further comprising:
feeding at least one of the catalytic naphtha stream and the light cycle oil stream into one or more of the petroleum distillate streams without further processing.

7. The method of claim 1 wherein the one or more petroleum distillate streams comprises a bottom petroleum distillate stream and further comprising:
providing a hydrocracker in series with the bottom petroleum distillate stream from the distillation tower:
feeding the bottom petroleum distillate stream into the hydrocracker; and
processing the bottom petroleum distillate stream within the hydrocracker to create at least one hydrocracker stream.

8. The method of claim 7 further comprising:
feeding the at least one hydrocracker stream into the distillation tower; and
processing the at least one hydrocracker stream within the distillation tower.

9. A method of refining whole crude oil, the method comprising:
providing a flash evaporation separator, a hydrotreating reactor, a distillation tower, and a whole crude oil stream;
feeding the whole crude oil stream into the flash evaporation separator;
processing the whole crude oil stream within the flash evaporation separator to create a plurality of flashed streams comprising at least a kero plus remainder stream and a flashed naphtha stream;
feeding the kero plus stream into the hydrotreating reactor;
processing the kero plus stream within the hydrotreating reactor to create a treated stream; and
processing the treated stream within the distillation tower.

10. The method of claim 9 , wherein the whole crude oil stream comprises at least one of a boiling point range between about 90° F. to about 1100° F., less than about 1 wt % sulfur, and less than about 20 wt % aromatics.

11. The method of claim 9 further comprising:
feeding the flashed naphtha stream into a naphtha reformer; and
processing the flashed naphtha stream in the naphtha reformer to create a reformate stream.

12. The method of claim 9 further comprising:
creating a first petroleum distillate stream in the distillation tower comprising an ultralow sulfur kerosene product;
creating a second petroleum distillate stream in the distillation tower comprising an ultralow sulfur diesel fuel product; and
creating a bottom petroleum distillate stream in the distillation tower.

13. The method of claim 12 further comprising:
providing a fluid catalytic cracker
feeding the bottom distillate stream into a fluid catalytic cracker;
processing the bottom distillate stream in the fluid catalytic cracker;
creating a catalytic naphtha stream within the fluid catalytic cracker; and
creating a light cycle oil stream within the fluid catalytic cracker.

14. The method of claim 13 further comprising:
blending the catalytic naphtha stream with the reformate stream; and
blending the, light cycle oil stream with the ultralow sulfur diesel fuel product.

15. The method of claim 12 further comprising:
providing, a hydrocracker;
feeding the bottom distillate stream into the hydrocracker;
processing the bottom distillate stream in the hydrocracker.

16. The method of claim 15 further comprising:
creating a naphtha stream in the hydrocracker; and
creating a high cetane hydrocracker diesel stream in the hydrocracker.

17. The method of claim 16 further comprising:
blending the catalytic naphtha stream with the reformate stream; and
blending the high cetane hydrocracker diesel stream with the ultralow sulfur diesel fuel product.

18. The method of claim 15 further comprising:
creating at least one hydrocracker stream with the hydrocracker;
feeding the at least one hydrocracker stream into the distillation tower.

19. A method of refining whole crude oil, the method comprising:
providing a flash evaporation separator, a hydrotreating reactor, a distillation tower, and a whole crude oil stream, the whole crude stream comprising less than about 1 wt % sulfur;
feeding the whole crude oil stream into the flash evaporation separator to create a flash light ends stream, a flash middle stream, and a flash heavy ends stream;
processing the flash middle stream within the hydrotreating reactor to create a treated stream;
feeding the treated stream into the distillation tower; and
processing the treated stream within the distillation tower to create one or more petroleum distillate streams.

20. The method of claim 19 further comprising processing the flash light ends stream in a light ends processing unit.

21. A method of refining whole crude oil, the method comprising:
providing a flash evaporation separator, a hydrotreating reactor, a distillation tower, and a whole crude oil stream, the whole crude stream comprising less than about 1 wt % sulfur;
feeding the whole crude oil stream into the flash evaporation separator to create a flash light ends stream and a flash heavy ends stream;
processing the flash light ends stream within the hydrotreating reactor to create a treated stream;
feeding the treated stream into the distillation tower; and
processing the treated stream within the distillation tower to create one or more petroleum distillate streams.

22. The method of claim 21 wherein the one or more petroleum distillate streams includes a light ends distillate stream and processing the light ends distillate stream in a light ends processing unit.

Assignees

• Exxonmobil Technology & Engineering Company

Inventors

• Xu Xiaochun
• Yu Xinrui
• Luo Shifang
• Smiley Randolph J
• Woo Hyung S

Classifications

• C10G69/04

  including at least one step of catalytic cracking in the absence of hydrogen · CPC title

• C10G2300/308

  Gravity, density, e.g. API · CPC title

• C10G67/14 Primary

  including at least two different refining steps in the absence of hydrogen · CPC title

• C10G69/08

  including at least one step of reforming naphtha · CPC title

• C10G2400/04

  Diesel oil · CPC title