CN203905913U - Natural gas recovery system for gas testing pilot production - Google Patents
Natural gas recovery system for gas testing pilot production Download PDFInfo
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- CN203905913U CN203905913U CN201420335406.0U CN201420335406U CN203905913U CN 203905913 U CN203905913 U CN 203905913U CN 201420335406 U CN201420335406 U CN 201420335406U CN 203905913 U CN203905913 U CN 203905913U
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Abstract
The utility model discloses a natural gas recovery system for gas testing pilot production. The natural gas recovery system is characterized by comprising a water jacket heater, a gas-liquid separator, a prepositioned dehydration dryer, a natural gas compressor, a release flare and a sewage tank, wherein a gas inlet of the water jacket heater is connected with a gas-testing gas production well head, a gas outlet of the water jacket heater is connected with an inlet of the gas-liquid separator, an outlet of the gas-liquid separator is connected with an inlet of the prepositioned dehydration dryer, an outlet of the prepositioned dehydration dryer is connected with a gas inlet pipeline of the natural gas compressor, and a gas outlet pipeline of the natural gas compressor is connected with a gas feeding column. According to the natural gas recovery system for the gas testing pilot production, recovered natural gas is metered and fills tankers through the gas feeding column, so that the aim of gas-testing gas production can be achieved, the production capacity of gas wells is then obtained and analyzed, the recycling of natural gas can be realized, and the pollution to the environment is avoided while resources are reasonably utilized.
Description
Technical field
The utility model relates to a kind of gas testing pilot production natural gas recovery system.
Background technology
After drilling completion, gas well all needs to carry out gas testing pilot production to obtain gas reservoir dynamic data, is familiar with as early as possible gas reservoir feature.The analysis gas well production capacity of obtaining with gas testing pilot production, determines individual well rational productivity, carries out the evaluating production capacity in gas field.But the natural gas in most drilling completion well head gas testing pilot production technological requirement gas testing pilot production processes need to burn by releasing flare, and when causing energy waste, also environment has been caused to pollution.
National economy and social development " 12 " planning explicitly calls for " advancing the unconventional petroleum resourceses such as shale gas to develop ", for promoting energetically shale gas exploration and development, increase natural gas resource supply, alleviate China's natural gas imbalance between supply and demand, readjust the energy structure, promote energy-saving and emission-reduction.Along with increasing shale gas and conventional gas well will be developed, the natural gas of shale gas and conventional gas well gas testing pre-production phase emptying burning also can increase thereupon.China is now in the swift and violent stage of economic development, and energy-saving and emission-reduction, cost efficiency, environmental protection are by the inexorable trend that is the long-term sustainable development of the domestic energy.
Due to reasons such as gas testing pilot production well head natural gas quality are indefinite, impure more, and the cycle is relatively short, domestic to the recovery of gas testing pilot production well head natural gas also in blank, there is no ripe complete reclaimer and flow process.If this class natural gas is successfully reclaimed, the utilization to resource and environmental protection all will be huge contribution.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of gas testing gas production wellhead that not only can be that the gas testing pilot production natural gas recovery system of analyzing data but also realizing the recovery to gas testing pilot production well head natural gas is provided for the technical problem existing in above-mentioned prior art.
The technical scheme that the utility model adopts is: gas testing pilot production natural gas recovery system, it is characterized in that: comprise water batch heater, gas-liquid separator, the preposition device that dehydrates, natural gas compressor, release flare, sewage reservoir, the air inlet port of described water batch heater is connected with gas testing gas production wellhead, gas outlet is connected with the entrance of gas-liquid separator, the outlet of gas-liquid separator is connected with the preposition entrance that dehydrates device, preposition dehydrate device outlet be connected with the admission line of natural gas compressor, described natural gas compressor give vent to anger pipeline with add gas column and be connected, described gas-liquid separator, the preposition sewage draining exit that dehydrates device, natural gas are all connected with sewage reservoir by blowdown pipeline, described gas testing gas production wellhead, gas-liquid separator, preposition device, the natural gas compressor of dehydrating are all connected with releasing flare by natural gas blow-down pipe, and the gas outlet of water batch heater is also connected with natural gas blow-down pipe by natural gas recovery line.
By technique scheme, the preposition device that dehydrates is provided with fuel gas outlet, and this fuel gas outlet is all connected with gas port and the natural gas generator air inlet port of water batch heater by fuel gas gas supply line.
By technique scheme, the air inlet port of described water batch heater is connected with gas testing gas production wellhead by emergency shutdown valve.
By technique scheme, described natural gas compressor adopts variable-frequency motor to drive.
By technique scheme, at the bottom of being integrated in one, described gas-liquid separator and preposition dewatering drying device prize; Natural gas compressor, add gas column and become sledge assembling.
The obtained beneficial effect of the utility model is: 1, in the utility model, measure and fill tank car by adding gas column to reclaiming natural gas, can meet the object of gas testing gas production, to obtain and to analyze gas well production capacity, can realize again the recycling of natural gas, when reasonably utilizing resource, avoid again the pollution of environment; 2, natural gas compressor adopts variable-frequency motor to drive, and by widening compressor admission pressure scope, change motor speed is realized the variation of unit capacity, to meet the requirement of different well head output; 3, on prizing at the bottom of gas-liquid separator and preposition dewatering drying device are integrated in one; Natural gas compressor, add gas column and become sledge assembling, make the utility model equipment be that free-standing is installed and highly integrated skid structure to meet the requirement of frequent resettlement dismounting.
Brief description of the drawings
The structure chart of the embodiment that Fig. 1 provides for the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the embodiment of the gas testing pilot production natural gas recovery system that the utility model provides comprises water batch heater 3, gas-liquid separator 6, the preposition device 7 that dehydrates, natural gas compressor 8, release flare 10, sewage reservoir 9, the air inlet port of described water batch heater 3 is connected with gas testing gas production wellhead 1, gas outlet is connected with the entrance of gas-liquid separator 6 by natural gas recovery line 13, the outlet of gas-liquid separator 6 is connected with the preposition entrance that dehydrates device 7, preposition dehydrate device 7 outlet be connected with the admission line of natural gas compressor 8, natural gas compressor 8 give vent to anger pipeline with add gas column 16 and be connected.Wherein, the air inlet port of water batch heater 3 is connected with gas testing gas production wellhead 1 by emergency shutdown valve 2, in natural gas recovery line 13, be provided with valve 5, wherein, gas testing gas production wellhead 1, the gas outlet of water batch heater 3 is also connected with natural gas blow-down pipe by natural gas recovery line 13, gas testing gas production wellhead 1, gas-liquid separator 6, the preposition device 7 that dehydrates, the drain of natural gas compressor 8 all 10 is connected with releasing flare by natural gas blow-down pipe, in tap line on natural gas blow-down pipe 15, be provided with level pressure atmospheric valve 4, described gas-liquid separator 6, the preposition device 7 that dehydrates, the sewage draining exit of natural gas compressor 8 is all connected with sewage reservoir 9 by blowdown pipeline 14, wherein, on each equipment connection pipeline, some valves are set, to realize the switching of the emptying of natural gas well site and natural gas recovery process.
In the utility model, this recovery system also comprises natural gas generator 11, for being responsible for the power supply at well station.
Wherein, the fuel gas of water batch heater 3 can utilize inner fuel gas gas-supplying structure to realize from supplying with in the situation that well head natural gas water content is less, but outside to its feed fuels, so be provided with two fuel gas supply lines in water batch heater 3 when just needing in the more situation of well head natural gas water content.And the fuel gas of water batch heater 3 and natural gas generator all need after pressure regulation just can access arrangement, in order to make full use of recovery natural gas, in the utility model, leave fuel gas outlet at the preposition device 7 that dehydrates, this fuel gas outlet is all connected with gas port and natural gas generator 11 air inlet ports of water batch heater 3 respectively by fuel gas gas supply line 12.
Each equipment in the utility model is free-standing and installs with highly integrated skid structure to meet the requirement of frequent resettlement dismounting.Wherein, gas-liquid separator 6 and preposition dehydrate device 7 and be integrated into one at the bottom of on sled, the level pressure atmospheric valve arranging in the tap line of connected natural gas blow-down pipe is arranged in the middle of gas-liquid separator 6 outlets and dewatering drying device 7 entrances, the common separating and dehydrating sled that forms, to reduce the workload of pipeline dismounting and transport resettlement; Natural gas compressor 8 adopts full symmetric balanced structure, uses on-the-spot foundation-free installation and operation.Switch board, the natural gas compressor of natural gas compressor, add gas column entirety and become into sled, the height that forms function and structure is integrated, improves the mobile resettlement property of equipment.
In the utility model, natural gas compressor 8 adopts variable-frequency motor to drive, and by widening compressor admission pressure scope, change motor speed is realized the variation of unit capacity, to meet the requirement of different well head output.
The course of work of the present utility model is: well head high-pressure natural gas reduces by temperature after pressure regulator valve reducing pressure by regulating flow; then entering water batch heater 3 heats up; natural gas after intensification enters gas-liquid separator 6 and carries out gas-liquid separation; gas after separation enters the preposition device 7 that dehydrates again and removes the saturation water in natural gas, and gas-liquid separator 6 and preposition device 7 centres that dehydrate arrange level pressure atmospheric valve to protect service pressure of the present utility model.Enter natural gas compressor 8 through the natural gas of separating and dehydrating and pressurize, the gas utilization of supercharging adds gas column 16 to carry out tolerance metering and fills tank car, then has tank car to be transported to sales section.The blowdown of all natural gas reclaimers concentrates tandem to well site pollution discharge pond 9, and safety valve emptying all concentrates tandem well site to release flare 10.
Claims (5)
1. gas testing pilot production natural gas recovery system, it is characterized in that: comprise water batch heater, gas-liquid separator, prepositionly dehydrate device, natural gas compressor, release flare, sewage reservoir, the air inlet port of described water batch heater is connected with gas testing gas production wellhead, gas outlet is connected with the entrance of gas-liquid separator, the outlet of gas-liquid separator is connected with the preposition entrance that dehydrates device, preposition dehydrate device outlet be connected with the admission line of natural gas compressor, described natural gas compressor give vent to anger pipeline with add gas column and be connected; Described gas-liquid separator, the preposition sewage draining exit that dehydrates device, natural gas are all connected with sewage reservoir by blowdown pipeline; Gas-liquid separator, the preposition drain that dehydrates device, natural gas compressor are all connected with releasing flare by natural gas blow-down pipe, and the gas outlet of described gas testing gas production wellhead, water batch heater is also connected with natural gas blow-down pipe by natural gas recovery line.
2. gas testing pilot production natural gas recovery system according to claim 1, it is characterized in that: the preposition device that dehydrates is provided with fuel gas outlet, and this fuel gas outlet is all connected with gas port and the natural gas generator air inlet port of water batch heater by fuel gas gas supply line.
3. gas testing pilot production natural gas recovery system according to claim 1 and 2, is characterized in that: the air inlet port of described water batch heater is connected with gas testing gas production wellhead by emergency shutdown valve.
4. gas testing pilot production natural gas recovery system according to claim 1 and 2, is characterized in that: described natural gas compressor adopts variable-frequency motor to drive.
5. gas testing gas testing natural gas recovery system according to claim 1 and 2, is characterized in that: at the bottom of described gas-liquid separator and preposition dewatering drying device are integrated in one, prize; Natural gas compressor, add gas column and become sledge assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420335406.0U CN203905913U (en) | 2014-06-23 | 2014-06-23 | Natural gas recovery system for gas testing pilot production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420335406.0U CN203905913U (en) | 2014-06-23 | 2014-06-23 | Natural gas recovery system for gas testing pilot production |
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| CN203905913U true CN203905913U (en) | 2014-10-29 |
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| CN201420335406.0U Active CN203905913U (en) | 2014-06-23 | 2014-06-23 | Natural gas recovery system for gas testing pilot production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257253A (en) * | 2015-10-13 | 2016-01-20 | 中国石油化工股份有限公司 | Environment-friendly and energy-saving gas testing method |
| CN105570685A (en) * | 2015-12-16 | 2016-05-11 | 中国石油大学(北京) | Recovery system and recovery process for vent natural gas of gas gathering station |
| CN105927849A (en) * | 2016-05-18 | 2016-09-07 | 西南石油大学 | Remote well natural gas recovery device |
| CN108980614A (en) * | 2018-08-20 | 2018-12-11 | 克拉玛依市富城天然气有限责任公司 | Integrated natural gas processing system is recycled in a kind of formation testing, gas testing |
| CN109681151A (en) * | 2019-01-29 | 2019-04-26 | 重庆欣雨压力容器制造有限责任公司 | A kind of shale gas well head gas high-pressure treatment apparatus |
| CN115182707A (en) * | 2022-06-30 | 2022-10-14 | 中石化石油工程技术服务有限公司 | Compressed gas drainage and production recovery gas testing system and using method thereof |
-
2014
- 2014-06-23 CN CN201420335406.0U patent/CN203905913U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257253A (en) * | 2015-10-13 | 2016-01-20 | 中国石油化工股份有限公司 | Environment-friendly and energy-saving gas testing method |
| CN105570685A (en) * | 2015-12-16 | 2016-05-11 | 中国石油大学(北京) | Recovery system and recovery process for vent natural gas of gas gathering station |
| CN105927849A (en) * | 2016-05-18 | 2016-09-07 | 西南石油大学 | Remote well natural gas recovery device |
| CN105927849B (en) * | 2016-05-18 | 2018-07-17 | 西南石油大学 | A kind of outlying well natural gas recycling device |
| CN108980614A (en) * | 2018-08-20 | 2018-12-11 | 克拉玛依市富城天然气有限责任公司 | Integrated natural gas processing system is recycled in a kind of formation testing, gas testing |
| CN109681151A (en) * | 2019-01-29 | 2019-04-26 | 重庆欣雨压力容器制造有限责任公司 | A kind of shale gas well head gas high-pressure treatment apparatus |
| CN115182707A (en) * | 2022-06-30 | 2022-10-14 | 中石化石油工程技术服务有限公司 | Compressed gas drainage and production recovery gas testing system and using method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Address before: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee before: KINGDREAM PLC |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170928 Address after: 430040 Hubei province Wuhan Dongxihu Wujiashan Tianyuan Road No. 999 Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: Sinopec Petroleum Machinery Co.,Ltd. Sanji Branch Address before: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Patentee before: SINOPEC OILFIELD EQUIPMENT Corp. |