Method to maximize stabilized crude recovery from gas condensate
A gas oil separation plant including a high pressure production trap for receiving a feed stream and producing a first produced liquid and a first gas stream, a low pressure production trap for receiving the first produced liquid and producing a second produced liquid and a second gas stream, a low pressure compressor knockout drum for receiving the second gas stream and separating the second gas stream into a first overhead gas stream and a first liquid stream, a high pressure first stage knockout drum for receiving the first overhead gas stream and first gas stream and producing a second overhead gas stream and a second liquid stream, a product condensate outlet for receiving a portion of a condensate recycle stream, and a recycle system for recycling a remaining portion of the condensate recycle stream to the HPPT, LPPT, or both.
1. A gas oil separation plant, comprising:
a high pressure production trap (HPPT) configured for receiving a feed stream and producing a first produced liquid and a first gas stream;
a low pressure production trap (LPPT) configured for receiving the first produced liquid and producing a second produced liquid and a second gas stream;
a low pressure compressor knockout drum configured for receiving the second gas stream and separating the second gas stream into a first overhead gas stream and a first liquid stream;
a high pressure first stage knockout drum configured for receiving the first overhead gas stream and first gas stream and producing a second overhead gas stream and a second liquid stream;
a compression system configured for receiving the second overhead gas stream and producing a condensate recycle stream;
a product condensate outlet for receiving a portion of the condensate recycle stream as a product condensate stream; and
a recycle system configured for recycling a remaining portion of the condensate recycle stream to the HPPT, LPPT, or both.
2. The gas oil separation plant of claim 1 , wherein the compression system further comprises:
a first stage high pressure compressor configured for receiving the second overhead gas stream and producing a compressed second overhead gas stream; and
a first stage intercooler configured for receiving the compressed second overhead gas stream and producing a cooled second overhead gas stream.
3. The gas oil separation plant of claim 2 , wherein the compression system further comprises:
a high pressure second stage knockout drum configured for receiving the cooled second overhead gas stream and producing a third overhead gas stream and a third liquid stream;
a second stage high pressure compressor configured for receiving the third overhead gas stream and producing a compressed third overhead gas stream; and
a second stage intercooler configured for receiving the compressed third overhead gas stream and producing a cooled third overhead gas stream.
4. The gas oil separation plant of claim 3 , further comprising a discharge knockout drum configured for receiving the cooled third overhead gas stream and producing the condensate recycle stream and a fourth liquid stream.
5. The gas oil separation plant of claim 1 , further comprising:
a low pressure compressor configured for receiving the first overhead gas stream and producing a pressurized first overhead gas stream; and
a low pressure intercooler configured for receiving the pressurized first overhead gas stream and producing a cooled first overhead gas stream; and
a flow line configured for transporting the cooled first overhead gas stream to the high pressure first stage knockout drum.
6. The gas oil separation plant of claim 1 , further comprising a dehydrator configured for receiving the second produced liquid, removing any entrained liquid, and producing a dehydrated produced liquid stream and a fifth liquid stream.
7. The gas oil separation plant of claim 6 , further comprising a desalter configured for receiving the dehydrated produced liquid stream and producing a desalted crude product.
8. The gas oil separation plant of claim 7 , further comprising a stabilizer column configured for receiving the desalted crude product and producing a stabilized crude export product stream and a stabilizer overhead gas stream.
9. The gas oil separation plant of claim 8 further comprising a flow line configured for feeding the stabilizer overhead gas stream to the low pressure compressor knockout drum.
10. A process for the production of stabilized crude oil and gas oil condensate comprising:
separating a crude oil feedstock in a high pressure production trap (HPPT), producing a first produced liquid and a first gas stream;
separating the first produced liquid in a low pressure production trap (LPPT), producing a second produced liquid and a second gas stream;
separating the second gas stream in a low pressure compressor knockout drum, producing a first overhead gas stream and a first liquid stream;
separating the first overhead gas stream and first gas stream in a high pressure first stage knockout drum, producing a second overhead gas stream and a second liquid stream;
compressing and cooling the second overhead gas stream in a compression system, producing a condensate stream;
recovering at a least a portion of the condensate stream as a natural gas liquid product; and
recycling a remaining portion of the condensate stream to the HPPT, the LPPT, or both, as a condensate recycle stream using a recycle system to maximize crude oil production.
11. The process of claim 10 , further comprising:
compressing the second overhead gas stream in a first stage high pressure compressor, producing a compressed second overhead gas stream; and
cooling the compressed second overhead gas stream in a first stage intercooler, producing a cooled second overhead gas stream.
12. The process of claim 11 , further comprising:
separating the cooled second overhead gas stream in a high pressure second stage knockout drum, producing a third overhead gas stream and a third liquid stream;
compressing the third overhead gas stream in a second stage high pressure compressor, producing a compressed third overhead gas stream; and
cooling the compressed third overhead gas stream in a second stage intercooler, producing a cooled third overhead gas stream.
13. The process of claim 12 , further comprising separating the cooled third overhead gas stream in a discharge knockout drum, producing the condensate recycle stream and a fourth liquid stream.
14. The process of claim 10 , further comprising:
compressing the first overhead gas stream in a low pressure compressor, producing a pressurized fs; and
cooling the pressurized first overhead gas stream in a low pressure intercooler, producing a cooled first overhead gas stream;
transporting the cooled first overhead gas stream, using a flow line, to the high pressure first stage knockout drum; and
separating the cooled first overhead gas stream with the second overhead gas stream in the high pressure first stage knockout drum.
15. The process of claim 10 , further comprising separating the second produced liquid in a dehydrator, removing any entrained water, and producing a dehydrated produced liquid stream and a fifth liquid stream.
16. The process of claim 15 , further comprising separating the dehydrated produced liquid stream in a desalter, producing a desalted crude product.
17. The process of claim 16 , further comprising feeding the desalted crude product to a stabilizer column, separating a stabilizer overhead gas stream from the desalted crude product, and producing a stabilized crude export product stream and a stabilizer overhead gas stream.
18. The process of claim 17 , further comprising feeding the stabilizer overhead gas stream to the low pressure compressor knockout drum.
19. The process of claim 10 , further comprising controlling the recycle system to minimize or eliminate the portion of the condensate stream recovered as the natural gas liquid product.