CN215057763U - Skid-mounted oil gas production system of gas turbine - Google Patents
Skid-mounted oil gas production system of gas turbine Download PDFInfo
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- CN215057763U CN215057763U CN202120333649.0U CN202120333649U CN215057763U CN 215057763 U CN215057763 U CN 215057763U CN 202120333649 U CN202120333649 U CN 202120333649U CN 215057763 U CN215057763 U CN 215057763U
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Abstract
The utility model discloses a skid-mounted oil gas production system of a gas turbine, which comprises the gas turbine, wherein the gas turbine utilizes energy to generate heat energy after combustion; the waste heat recovery device is used for recovering and utilizing waste heat; the production device is connected with the waste heat recovery device to produce oil gas, and the oil gas provides energy for the gas turbine; an energy management system is arranged between the gas turbine and the waste heat recovery device, and the energy management system controls the energy supply amount of the system and the start and stop of the system in real time according to the energy requirement of the system. The utility model discloses gas turbine becomes heat energy with the chemical energy conversion after the energy burning, produces high temperature high pressure gas and gets into and offer subsequent apparatus for producing after the waste heat recovery device retrieves and use, improves total energy utilization efficiency effectively, avoids discharge gas to cause secondary pollution. Through the energy management system, a proper prime mover set and a proper waste heat utilization mode are adopted to be matched effectively according to user requirements, loads and energy types.
Description
Technical Field
The utility model relates to an energy supply system technical field indicates a gas turbine sled dress formula oil gas production system especially.
Background
At present, steam flooding is adopted in developed oil and gas development technology, the recovery rate reaches 60-70%, and CO is adopted2Oil and gas are driven, and the recovery ratio can reach 50-70%. 93% of oil and gas exploitation in China still adopts a water injection mode, and the recovery rate is about 40%. Thermal recovery techniques are being adopted by more and more oil and gas development enterprises step by step. However, in consideration of the availability of technology and cost factors, oil fields adopting thermal recovery in China mainly use thermal recovery boilers to generate hot water or steam required in the production process, and a large amount of fuel is consumed every year, and the fuels used by the thermal recovery boilers comprise coal, natural gas, fuel oil, oil well associated gas, crude oil and the like. The thermal recovery boiler has the advantages of low technical threshold, good accessibility and relatively low operation cost. The disadvantages are high fuel combustion temperature, large temperature difference of hot working medium (hot water or steam), large system (fire loss) loss and low total energy utilization efficiency. Meanwhile, the combustion tail gas of the thermal recovery boiler needs to be treated by a special device, otherwise, SOx, NOx and particulate matters are difficult to reach the environmental protection standard.
Therefore, it is an urgent need to provide a skid-mounted gas turbine oil and gas production system that can simultaneously solve the problems of total energy utilization efficiency and emission compliance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas turbine sled dress formula oil gas production system not only solves the total energy utilization efficiency problem, can also solve the problem that exhaust gas is up to standard effectively.
The utility model provides a technical scheme as follows:
a gas turbine skid-mounted oil and gas production system comprising:
a gas turbine that generates electricity and heat energy after combustion using an energy source;
the waste heat recovery device is used for recovering and utilizing waste heat;
the production device is connected with the waste heat recovery device to produce oil gas, and the oil gas provides energy for the gas turbine;
an energy management system is arranged between the gas turbine and the waste heat recovery device, and the energy management system controls the energy supply amount of the system and the start and stop of the system in real time according to the energy requirement of the system.
In the technical scheme, the chemical energy generated after the energy is combusted by the gas turbine is converted into heat energy to generate high-temperature and high-pressure gas. The high-temperature high-pressure gas enters the turbine and then expands to do work to drive the generator to generate electricity. The temperature of the gas after expansion work is still 500-600 ℃, the gas enters a waste heat recovery device after being discharged, and the generated steam and hot water are recovered and then supplied to a subsequent production device for use, so that the total energy utilization efficiency is effectively improved, and secondary pollution caused by the discharged gas can be avoided. Meanwhile, an energy management system is arranged between the gas turbine and the waste heat recovery device, and the energy supply amount of the system and the start and stop of the system are controlled in real time by the energy management system according to the energy requirement of the system, so that a proper prime mover set, a waste heat utilization mode and a matched system are effectively adopted according to the requirement of a user, load and the energy type, and the system is timely, proper, suitable for transportation, proper in installation and suitable for use in the real sense.
Preferably, the waste heat recovery device is a waste heat boiler, the production device connected with the waste heat boiler comprises a thermal oil recovery device and a first oil-gas-water separation device, and the thermal oil recovery device and the first oil-gas separation device are sequentially connected.
In the technical scheme, oil extraction is mainly carried out in a heating mode, so that the waste heat recovery device is set as a waste heat boiler, and meanwhile, the production device is set as a thermal oil extraction device and the first oil-gas separation device which are sequentially connected. After steam and hot water generated by the waste heat boiler are recovered, hot fluid is injected into an oil layer in the thermal oil extraction device, the viscosity of crude oil is reduced, the fluidity is improved, and thick oil flows into the first oil-gas-water separator to be separated again.
Preferably, the waste heat boiler is further connected with a water supplementing device or a afterburning device.
Preferably, the first oil-gas-water separation device is respectively connected with the first oil-gas storage and transportation device and the associated gas supercharging device, and the associated gas supercharging device is connected with the gas turbine to provide energy for the gas turbine.
In this technical scheme, connect first oil gas water separator respectively and first oil gas storage and transportation device and associated gas supercharging device, the crude oil of output is transported by first oil gas storage and transportation device in the first oil gas water separator like this, and the associated gas of production is by associated gas supercharging device with it for gas turbine provides the energy of burning, has realized the confession energy strategy of using materials on the spot, consuming on the spot, avoids carrying out the wasting of resources that the long-distance transport caused for providing the energy.
Preferably, the waste heat recovery device is CO arranged in parallel2Natural gas separator and CO2A compressor;
the CO is2The compressor is connected with a device for generating CO2CO for storage2A reservoir;
the CO is2The natural gas separator is respectively connected with a second oil gas storage and transportation device and the gas turbine.
In the technical scheme, the waste heat recovery device is set to be the CO arranged in parallel2Natural gas separator and CO2The compressor, mainly using refrigeration to recover oil, thus passing through CO2CO separated in natural gas separator2Into CO2Post-compressor CO2Gas admission to CO2Storing in a storage; while passing through CO2One part of the natural gas separated by the natural gas separator is transported to other places by the second oil and gas storage and transportation device, and the other part of the natural gas is directly supplied to the gas turbine as energy.
Preferably, the CO is2The storage device is also connected with a CO2A frac unit of said CO2The fracturing unit is arranged below the ground.
In the technical scheme, pure CO is adopted2And fracturing, namely gasifying under the stratum condition, and has the advantages that no residual liquid exists in the constructed stratum, so that secondary pollution is avoided.
Preferably, the system also comprises a second oil-gas separation device, wherein one end of the second oil-gas separation device is connected with the CO2The fracturing unit is communicated with the other end of the CO2The natural gas separator is communicated, the separated gas is introduced, and the natural gas separator is communicated with the second oil gas storage and transportation device and the separated oil is introduced.
In the technical scheme, the CO passes through the second oil-gas separation device2Separating the oil-gas mixture after the fracturing device, and introducing the separated gas into CO2Natural gas separator, and the oil is transported to other places by the second oil and gas storage and transportation device.
Preferably, the gas turbine provides power for the waste heat recovery device and the production device.
In the technical scheme, the electric energy generated by combustion of the gas turbine provides a power supply for the waste heat recovery device and the production device, and the whole system is simplified.
Preferably, a controller is arranged on the power output end of the gas turbine and is used for controlling the delivery capacity of the power supply.
In the technical scheme, the controller is arranged at the power output end of the gas turbine, so that the purpose of effectively controlling the delivery capacity of the power supply through the controller is to avoid resource waste.
Preferably, a movable skid-mounted base is arranged below the gas turbine skid-mounted oil and gas production system.
This technical scheme sets up portable sled dress base in whole gas turbine sled dress oil gas production system below preferably, and the purpose is convenient for whole transportation to entire system through the removal of base, can realize using materials on the spot like this, the confession ability strategy of consuming on the spot, breaks through traditional ground distributing type energy supply system, improves the suitability.
Compared with the prior art, the utility model beneficial effect lies in:
in this patent, the chemical energy of the combustion of the energy source is converted into heat energy by a gas turbine to produce high-temperature and high-pressure gas. The high-temperature high-pressure gas enters the turbine and then expands to do work to drive the generator to generate electricity. The temperature of the gas after expansion work is still 500-600 ℃, the gas enters a waste heat recovery device after being discharged, and the generated steam and hot water are recovered and then supplied to a subsequent production device for use, so that the total energy utilization efficiency is effectively improved, and secondary pollution caused by the discharged gas can be avoided. Meanwhile, an energy management system is arranged between the gas turbine and the waste heat recovery device, and the energy supply amount of the system and the start and stop of the system are controlled in real time by the energy management system according to the energy requirement of the system, so that a proper prime mover set, a waste heat utilization mode and a matched system are effectively adopted according to the requirement of a user, load and the energy type, and the system is timely, proper, suitable for transportation, proper in installation and suitable for use in the real sense.
Timely, the black start of the system can be realized in a short time and in a short time, and the power is provided for important loads;
the system is suitable for various fuel occasions such as gas, associated gas, diesel oil, heavy oil and the like, and simultaneously provides various energy sources such as electric power, steam, hot water, cold water and the like, so that the system is suitable for various energy requirements of users;
the system is suitable for transportation, namely the system is arranged on a movable skid-mounted base, so that the transportation is facilitated;
the suit, the installation is simple, swift promptly, and the system only needs provide simple ground and basic condition, inserts municipal low pressure water etc. can generate electricity energy supply through simple equipment etc..
The system can be customized according to user conditions and energy requirements, local materials are obtained, local consumption is achieved, high-efficiency low-carbon capacity and safe economic energy are achieved, cost of capacity increase and wiring is reduced, and energy is saved.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic structural diagram of a skid-mounted gas-oil production system of a gas turbine according to the present invention;
FIG. 2 is another schematic diagram of a skid-mounted gas turbine oil and gas production system according to the present invention;
the reference numbers illustrate:
1-a gas turbine;
2-a waste heat recovery device; 21-a waste heat boiler; 211-water replenishing means; 212-a post-combustion device; 22-CO2A natural gas separator; 23-CO2A compressor;
3-a production device; 31-a thermal oil recovery unit; 32-a first oil-gas-water separation device; 33-a first oil and gas storage and transportation device; 34-associated gas pressurization means; 35-CO2A reservoir; 36-CO2A frac unit; 37-a second oil-gas separation device; 38 a second oil and gas storage and transportation device;
4-an energy management system;
and 5, a controller.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
For clarity, the connections in the drawings are shown, wherein the solid lines with arrows indicate the flow direction of oil and gas, and the dashed lines with arrows indicate the flow direction of the power source.
The utility model provides a skid-mounted oil gas production system of a gas turbine 1, which comprises the gas turbine 1, wherein the gas turbine 1 mainly utilizes energy to generate electricity and generate heat energy after combustion; the waste heat recovery device 2, the waste heat recovery device 2 mainly realizes the recovery of the heat energy generated by the gas turbine 1; the production device 3 is mainly used for being connected with the waste heat recovery device 2 to produce oil gas, and meanwhile, the oil gas can provide energy for the gas turbine 1. When in actual use, an energy management system 4 is arranged between the gas turbine 1 and the waste heat recovery device 2, and the monitoring and the control of the thermal energy are realized through the arranged energy management system 4, so that the start and stop of the whole system are effectively controlled, the problem of the total energy utilization efficiency is solved, and the problem of the exhaust gas reaching the standard can be effectively solved.
In the first embodiment of the present invention, referring to fig. 1, the oil recovery is mainly performed by heating, the waste heat recovery device 2 is a waste heat boiler 21, and the production device 3 is a thermal oil recovery device 31 and a first oil-gas-water separation device 32. When the waste heat boiler is used specifically, the waste heat boiler 21 is connected with the thermal oil recovery device 31 and the first oil-gas-water separation device 32 in sequence. After the steam and the hot water generated by the waste heat boiler 21 are recovered, hot fluid is injected into an oil layer in the thermal oil extraction device 31, the viscosity of the crude oil is reduced, the fluidity is improved, and the thick oil flows into the first oil-gas-water separator to be separated again.
In this embodiment, it is preferable that a water replenishing device 211 or a post-combustion device 212 is connected to the heat recovery steam generator 21, so as to supply energy to the heat recovery steam generator 21 in real time. Meanwhile, the first oil-gas-water separation device 32 is also respectively connected with a first oil-gas storage and transportation device 33 and an associated gas supercharging device 34, and the associated gas supercharging device 34 is connected with the gas turbine 1 to provide energy for the gas turbine. Therefore, the energy supply and utilization strategy of local material utilization and local consumption is realized, and the resource waste caused by long-distance transportation for providing energy is avoided.
In the second embodiment of the present invention, referring to fig. 2, it mainly adopts a refrigeration mode to recover oil, and the waste heat recovery device 2 is a CO parallel-connected device2 Natural gas separator 22 and CO2A compressor 23; CO 22The compressor 23 is connected to a device for generating CO2CO for storage2A reservoir 35; and CO2The natural gas separator 22 is connected to a second oil and gas storage and transportation device 38 and the gas turbine 1, respectively. Thus passing CO2CO separated by natural gas separator 222Into CO2After compressor 23, CO2Gas admission to CO2Storage in the storage 35; while passing through CO2Part of the natural gas separated in the natural gas separator 22 is transported to the rest of the plant by the second oil and gas storage and transportation device 38, while the other part is directly supplied to the gas turbine 1 as energy source.
In the second embodiment, further in CO2The storage 35 is connected with a CO2A frac 36, the CO2The fracturing unit 36 is located below ground and is made of pure CO2And fracturing, namely gasifying under the stratum condition, and has the advantages that no residual liquid exists in the constructed stratum, so that secondary pollution is avoided. At the same time, a second oil-gas separation device 37 is also arranged, and the second oil-gas separation deviceThe device 37 is mainly used for one end and CO2The frac 36 communicates with the other end of the same with CO2The natural gas separator 22 is communicated with the separated gas by CO2The natural gas separator 22 is used for separating again, and the separated oil is communicated with the second oil and gas storage and transportation device 38, and the oil is transported to other places by the second oil and gas storage and transportation device 38.
In the above two embodiments, it should be noted that the gas turbine 1 generates power after burning energy, and the power can directly supply power to the waste heat recovery device 2 and the production device 3. Therefore, a controller is provided at the power output end of the gas turbine 1, and the controller is used for controlling the delivery amount of the power, so that the normal operation of the waste heat recovery device 2 and the production device 3 can be ensured. And simultaneously, the resource waste caused by additionally adding power lines is avoided.
In practical use of the two embodiments described above, a movable skid is provided below the skid-mounted gas turbine 1 for the production of oil and gas. The purpose is through the removal of base be convenient for whole transportation to entire system, can realize using materials on the spot like this, the confession ability strategy of consuming on the spot, breaks through traditional ground distributing type energy supply system, improves the suitability. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A gas turbine skid-mounted oil and gas production system, comprising:
a gas turbine that generates electricity and heat energy after combustion using an energy source;
the waste heat recovery device is used for recovering and utilizing waste heat;
the production device is connected with the waste heat recovery device to produce oil gas, and the oil gas provides energy for the gas turbine;
an energy management system is arranged between the gas turbine and the waste heat recovery device, and the energy management system controls the energy supply amount of the system and the start and stop of the system in real time according to the energy requirement of the system.
2. The gas turbine skid-mounted oil and gas production system of claim 1, wherein:
the waste heat recovery device is a waste heat boiler, the production device connected with the waste heat boiler comprises a thermal oil recovery device and a first oil-gas-water separation device, and the thermal oil recovery device and the first oil-gas-water separation device are sequentially connected.
3. The gas turbine skid-mounted oil and gas production system of claim 2, wherein:
and the waste heat boiler is also connected with a water supplementing device or a afterburning device.
4. The gas turbine skid-mounted oil and gas production system of claim 2, wherein:
the first oil-gas-water separation device is respectively connected with the first oil-gas storage and transportation device and the associated gas supercharging device, and the associated gas supercharging device is connected with the gas turbine to provide energy for the gas turbine.
5. The gas turbine skid-mounted oil and gas production system of claim 1, wherein:
the waste heat recovery device is CO arranged in parallel2Natural gas separator and CO2A compressor;
the CO is2The compressor is connected with a device for generating CO2CO for storage2A reservoir;
the CO is2The natural gas separator is respectively connected with a second oil gas storage and transportation device and the gas turbine.
6. The gas turbine skid-mounted oil and gas production system of claim 5, wherein:
the CO is2The storage device is also connected with a CO2A frac unit of said CO2The fracturing unit is arranged below the ground.
7. The gas turbine skid-mounted oil and gas production system of claim 6, wherein:
the system also comprises a second oil-gas separation device, wherein one end of the second oil-gas separation device is connected with the CO2The fracturing unit is communicated with the other end of the CO2Natural gas separator connected with separated CO2And the separated oil is communicated with the second oil-gas storage and transportation device and is introduced.
8. The gas turbine skid-mounted oil and gas production system according to any one of claims 1 to 7, wherein:
the gas turbine provides power for the waste heat recovery device and the production device.
9. The gas turbine skid-mounted oil and gas production system of claim 8, wherein:
and a controller is arranged on the power output end of the gas turbine and is used for controlling the delivery capacity of the power supply.
10. The gas turbine skid-mounted oil and gas production system of claim 1, wherein:
a movable skid-mounted base is arranged below the skid-mounted oil gas production system of the gas turbine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120333649.0U CN215057763U (en) | 2021-02-05 | 2021-02-05 | Skid-mounted oil gas production system of gas turbine |
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| CN202120333649.0U CN215057763U (en) | 2021-02-05 | 2021-02-05 | Skid-mounted oil gas production system of gas turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320601A (en) * | 2021-12-16 | 2022-04-12 | 烟台杰瑞石油装备技术有限公司 | Gas turbine waste heat recovery system and oil gas exploitation system with same |
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2021
- 2021-02-05 CN CN202120333649.0U patent/CN215057763U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320601A (en) * | 2021-12-16 | 2022-04-12 | 烟台杰瑞石油装备技术有限公司 | Gas turbine waste heat recovery system and oil gas exploitation system with same |
| WO2023108813A1 (en) * | 2021-12-16 | 2023-06-22 | 烟台杰瑞石油装备技术有限公司 | Gas turbine waste heat recovery system, and oil and gas exploitation system having same |
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