引用本文:王伟杰,曾文平,邹航,王晓琴,陈学锋,杨倩,等. 天然气累积取样系统性能评价方法研究[J]. 石油与天然气化工, 2024, 53(1): 116-122.
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天然气累积取样系统性能评价方法研究
王伟杰1,2,3,曾文平1,2,3,邹航4,王晓琴1,2,3,陈学锋5,杨倩6,何敏5,丁思家6
1.中国石油西南油气田公司天然气研究院;2.国家市场监管重点实验室(天然气质量控制和能量计量) ;3.中国石油天然气集团有限公司天然气质量控制和能量计量重点实验室;4.重庆交通大学 ;5.中国石油西南油气田公司;6.中国石油西南油气田公司输气管理处
摘要:
目的 累积取样系统作为一种获得天然气平均发热量而实现能量计量的重要方式,对其开展性能评价方法研究,以保障累积取样系统的正常运行及获得样品的代表性。方法 根据 GB/T 13609—2017《天然气取样导则》和 GB/T 30490—2014《天然气自动取样方法》的要求,并结合累积取样系统的现场应用情况,建立了包括取样系统配置的完整性、取样系统的符合性、取样系统的气密性、预设参数的符合性、取样系统的一致性等指标的性能评价方法。结果 针对各项评价指标开展了现场应用,验证了累积取样系统性能评价方法的可操作性和适用性。结论 建立的累积取样系统性能评价方法能够满足目前的现场使用需求,后续将进一步建立相关方法标准,为天然气能量计量的推进和实施提供标准保障。 
关键词:  天然气  累积取样  性能评价  能量计量  标准规范 
DOI：10.3969/j.issn.1007-3426.2024.01.018
分类号:
基金项目:中国石油西南油气田公司科研项目“天然气累积取样系统应用优化研究”(20220308-04)
Performance evaluation methods for cumulative sampling system of natural gas
WANG Weijie1,2,3, ZENG Wenping1,2,3, ZOU Hang4, WANG Xiaoqin1,2,3, CHEN Xuefeng5, YANG Qian6, HE Min5, DING Sijia6
1. Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan, China;2. Key Laboratory of Natural Gas Quality Control and Energy Measurement for State Market Regulation, Chengdu, Sichuan, China;3. Key Laboratory of Natural Gas Quality Control & Energy Measurement, CNPC, Chengdu, Sichuan, China;4. Chongqing Jiaotong University, Chongqing, China;5. PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan, China;6. Gas Transmission Management Division, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan, China
Abstract:
Objective As an important way to achieve energy measurement by obtaining the average heat value of natural gas, the study of performance evaluation methods for the cumulative sampling system is of great significance for ensuring the normal operation of the cumulative sampling system and obtaining representative samples. Methods According to the requirements of GB/T 13609-2017 Natural gas sampling guidelines and GB/T 30490-2014 The method for automatic sampling of natural gas, and combined with the on-site application of the cumulative sampling system, a performance evaluation method has been established, including the integrity of the sampling system configuration, compliance, airtightness and consistency of the sampling system, and compliance with preset parameters. Results Through specific evaluation experimental examples, it is verified that this performance evaluation method has good operability and adaptability. Conclusion The performance evaluation method of the cumulative sampling system can meet the current on-site usage needs. In the future, relevant method standards will be further established to provide standard guarantees for the promotion and implementation of natural gas energy metering.
Key words:  natural gas  cumulative sampling  performance evaluation  energy metering  standard specification