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A ground gathering and transportation system for depleted gas reservoir gas storage

A technology of gathering and transportation system and gas storage, which is applied in the field of ground process and equipment to achieve the effects of eliminating slug flow, delaying the formation speed, and reducing liquid accumulation

Active Publication Date: 2021-11-26
SINOPEC ZHONGYUAN PETROLEUM ENG DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few reports and studies on the surface gathering and transportation system for depleted gas reservoirs. Therefore, it is necessary to study the surface gathering and transportation technology suitable for underground gas storage of depleted gas reservoirs, so that the process parameters, process equipment, and process flow can meet the characteristics of natural gas in depleted gas reservoirs. , while optimizing the gathering and transportation process and reducing engineering costs

Method used

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  • A ground gathering and transportation system for depleted gas reservoir gas storage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] The preparation method of the hydrate inhibitor comprises the following steps,

[0064] Step 1: Add 0.1mol of N,N-dimethylaminomethacrylate, 0.05mol of 2-vinyl-4,6-diamino-1,3,5-triazine, 1,3-diethylene into the container Base-2-imidazolinone 0.05mol and 200ml deionized water, then add an emulsifier, raise the temperature to 70°C under the protection of nitrogen, and mix well to obtain a mixed solution A. The emulsifying agent is the composition of SDS and AEO-9, and the quality of SDS and AEO-9 is 0.11g.

[0065] Step 2: Dissolve 0.1g of potassium persulfate in 18ml of deionized water, slowly add it dropwise to the mixed solution A obtained in step 1 after the dissolution is completed, and continue the reaction for 5 hours after the dropwise addition is completed.

[0066] Step 3: After the reaction is completed, the condensate is filtered, centrifuged, and dried to obtain a solid product, which is the prepared product.

Embodiment 2

[0068] The preparation method of the hydrate inhibitor comprises the following steps,

[0069] Step 1: Add 0.3mol of N,N-dimethylaminomethacrylate, 0.15mol of 2-vinyl-4,6-diamino-1,3,5-triazine, 1,3-diethylene Base-2-imidazolidinone 0.15mol and 200ml deionized water, then add an emulsifier, raise the temperature to 70°C under the protection of nitrogen, and mix well to obtain a mixed solution A. The emulsifying agent is the composition of SDS and AEO-9, and the quality of SDS and AEO-9 is 0.15g.

[0070] Step 2: Dissolve 0.1g of potassium persulfate in 18ml of deionized water, slowly add it dropwise to the mixed solution A obtained in step 1 after the dissolution is completed, and continue the reaction for 5 hours after the dropwise addition is completed.

[0071] Step 3: After the reaction is completed, the condensate is filtered, centrifuged, and dried to obtain a solid product, which is the prepared product.

Embodiment 3

[0073] The preparation method of the hydrate inhibitor comprises the following steps,

[0074] Step 1: Add 0.5 mol of N,N-dimethylaminomethacrylate, 0.3 mol of 2-vinyl-4,6-diamino-1,3,5-triazine, 1,3-diethylene into the container Base-2-imidazolinone 0.3mol and 200ml deionized water, then add an emulsifier, raise the temperature to 70°C under the protection of nitrogen, and mix well to obtain a mixed solution A. The emulsifying agent is the composition of SDS and AEO-9, and the quality of SDS and AEO-9 is 0.21g.

[0075] Step 2: Dissolve 0.1g of potassium persulfate in 18ml of deionized water, slowly add it dropwise to the mixed solution A obtained in step 1 after the dissolution is completed, and continue to react for 5 hours after the dropwise addition is completed.

[0076] Step 3: After the reaction is completed, the condensate is filtered, centrifuged, and dried to obtain a solid product, which is the prepared product.

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Abstract

The invention belongs to the technical field of ground process flow and equipment of underground gas storage, and in particular relates to a ground gathering and transportation system for depleted gas storage gas storage. A ground gathering and transportation system for a depleted gas reservoir gas storage, which is installed between the wellhead of the gas storage and the external transportation pipeline, and is connected through a pipeline and a valve group. The ground gathering and transportation system includes a slug flow catcher, Air cooler, cyclone separator, filter separator, triethylene glycol dehydration device, natural gas compressor, vent flare, metering separator, produced water storage tank, wellhead gas tree, valve group and vent valve group installed on the pipeline, An injection device is arranged on the pipeline behind the slug flow catcher. The invention adopts the same set of pipelines and devices as the gas injection and gas production process delivery system of the gas storage, realizes the repeated utilization of the gas injection-gas production pipelines and devices, and greatly reduces the construction amount and construction cost.

Description

technical field [0001] The invention belongs to the technical field of ground process flow and equipment of underground gas storage, and in particular relates to a ground gathering and transportation system for depleted gas storage gas storage. Background technique [0002] Many natural gas users have a large difference in gas consumption between winter and summer. Generally, the gas consumption in winter is higher than that in summer. In extreme cases, the gas consumption in winter will be 6 to 10 times that in summer. Peak shaving, that is, when the market gas consumption in summer is lower than the pipeline gas transmission capacity, the excess gas is stored in the underground gas storage, and in winter, when the user's gas consumption exceeds the pipeline transmission capacity, natural gas is extracted from the underground gas storage to supply users . In addition, the gas consumption will vary at different times of the day, and the gas storage is also required for peak...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D1/02F17D3/01F17D3/14F17D3/12C08F226/02C08F226/06
CPCC08F226/02F17D1/02F17D3/01F17D3/12F17D3/145C08F226/06
Inventor 仝淑月高继峰孙娟宋世昌周树青陈清涛公明明宋燕
Owner SINOPEC ZHONGYUAN PETROLEUM ENG DESIGN
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