US20240219022A1 - Method of controlling flare gas recovery system - Google Patents
Method of controlling flare gas recovery system Download PDFInfo
- Publication number
- US20240219022A1 US20240219022A1 US18/394,302 US202318394302A US2024219022A1 US 20240219022 A1 US20240219022 A1 US 20240219022A1 US 202318394302 A US202318394302 A US 202318394302A US 2024219022 A1 US2024219022 A1 US 2024219022A1
- Authority
- US
- United States
- Prior art keywords
- compressor
- compressors
- inlet pressure
- flare
- scenario
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 74
- 238000011084 recovery Methods 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000009825 accumulation Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 230000004913 activation Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 3
- 239000012808 vapor phase Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 50
- 238000004519 manufacturing process Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 239000005431 greenhouse gas Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/08—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks
Definitions
- the present invention falls within the field of technologies applicable to the primary petroleum production and processing unit. More precisely, it falls within the field of mechanisms for recovering flare gas, which have been used in primary oil production and processing units.
- the present invention in this sense, makes it possible to control flare gas recovery systems efficiently, continuously and automatically.
- a flare is a structure that releases vapor or flame through its top portion. More precisely, the flare is a gas combustion structure, which performs controlled burning of waste and, in this way, is mainly found in refineries, chemical plants, petrochemical plants, natural gas processing plants, exploration platforms, among others.
- the volume of all gas burned in the flare is computed and reported daily to the National Petroleum Agency (ANP), which assigns a maximum monthly burning limit for each unit in operation.
- ANP National Petroleum Agency
- the gas burned in the flare is a loss both commercially and for the environment, as, when it is no longer re-injected into the well or exported, it becomes a volume released into the atmosphere, aggravating the greenhouse effect (GHG). Furthermore, the volume of salable gas that is not flared for operational safety reasons is also subject to the payment of royalties and, if this volume exceeds the monthly flare limit agreed by the agency, it will be a production limiter.
- the flare gas recovery systems present in some production units had an operational control method with the following configurations:
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR102022026909-2A BR102022026909B1 (pt) | 2022-12-28 | 2022-12-28 | Método de controle de sistema de recuperação do gás do flare |
| BR1020220269092 | 2022-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20240219022A1 true US20240219022A1 (en) | 2024-07-04 |
Family
ID=89033799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/394,302 Pending US20240219022A1 (en) | 2022-12-28 | 2023-12-22 | Method of controlling flare gas recovery system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20240219022A1 (en)) |
| BR (1) | BR102022026909B1 (en)) |
-
2022
- 2022-12-28 BR BR102022026909-2A patent/BR102022026909B1/pt active IP Right Grant
-
2023
- 2023-12-22 US US18/394,302 patent/US20240219022A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR102022026909A2 (en)) | 2023-06-20 |
| BR102022026909B1 (pt) | 2023-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: PETROLEO BRASILEIRO S.A. - PETROBRAS, BRAZIL Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DE OLIVEIRA, ANDRE LUIZ MACHADO;REEL/FRAME:066103/0311 Effective date: 20231228 |
|
| STPP | Information on status: patent application and granting procedure in general |
Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |