元坝气田含硫污水负压汽提脱硫工艺影响因素分析与优化

doi:10.13809/j.cnki.cn32-1825/te.2020.04.020

Abstract

Abstract:

In view of the low desulfurization efficiency of stripper, limitation of positive pressure stripping technology and great optimization space in Yuanba gas field, a new process of negative pressure stripper desulfurization is carried out, and the influencing factors of stripper efficiency are analyzed in depth. By parameter optimization, the optimal pH value is 4.0~5.0, the recommended stripper pressure is -30~-25 kPa, the optimal gas-liquid ratio is 8~12, and the liquid inlet volume is 7~9 m ³/h, which is conducive to improving the stripper efficiency. The field application shows that the efficiency of negative pressure stripping is 96.28 %, 19.68 % higher than that of positive pressure stripping. The annual cost saving is about 1 808 600 yuan, which has significant effect on cost reduction and benefits enhancement. The new process of negative pressure stripping desulfurization shows obvious technical advantages and good application prospects, and also provides certain reference for the field application of similar marine high sulfur gas fields.

Key words: high sulfur-containing gas field water, negative pressure stripping, stripping efficiency, influence factor analysis, parameter optimization, cost reduction and benefit enhancement

CLC Number:

TE45

LIU Penggang,SUN Tianli,CHEN Wei,HOU Xiaozhi,HUANG Yuanhe,ZHU Guo,HE Hai,FANG Bin. Analysis and optimization of influencing factors of negative pressure stripping desulfurization process for sour water in Yuanba gas field[J].Reservoir Evaluation and Development, 2020, 10(4): 125-129.

Figures/Tables 7

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Table 1

References 22

[1]	武恒志, 吴亚军, 柯光明 . 川东北元坝地区长兴组生物礁发育模式与储层预测[J]. 石油与天然气地质, 2017,38(4):645-657.
	WU H Z, WU Y J, KE G M . Bioherm development model and reservoir prediction of Changxing Formation in Yuanba area, Northeastern Sichuan Basin[J]. Oil & Gas Geology, 2017,38(4):645-657.
[2]	刘国萍, 游瑜春, 冯琼 . 基于频谱成像技术的元坝长兴组生物礁储层连通性研究[J]. 石油物探, 2017,56(5):746-754.
	LIU G P, YOU Y C, FENG Q . Research on reservoir connectivity based on spectral imaging technology for the Changxing reef in the Yuanba area[J]. Geophysical Prospecting for Petroleum, 2017,56(5):746-754.
[3]	何生厚 . 普光高含H₂S、CO₂气田开发技术难题及对策[J]. 天然气工业, 2008,28(4):82-85.
	HE S H . Technical problems and countermeasures of developing the Puguang gas field with high H₂S and CO₂ content[J]. Natural Gas Industry, 2008,28(4):82-85.
[4]	刘言 . 元坝超深高含硫气田开发关键技术[J]. 特种油气藏, 2015,22(4):94-97.
	LIU Y . Key technologies for the development of Yuanba ultra deep and high sulfur gas field[J]. Special Oil & Gas Reservoirs, 2015,22(4):94-97.
[5]	吴小奇, 刘光祥, 刘全有 , 等. 四川盆地元坝气田长兴组—飞仙关组天然气地球化学特征及成因类型[J]. 天然气地球科学, 2015,26(11):2155-2165. doi: 10.11764/j.issn.1672-1926.2015.11.2155
	WU X Q, LIU G X, LIU Q Y , et al. Geochemical characteristics and genetic types of natural gas in the Changxing-Feixianguan Formations from Yuanba Gasfield in the Sichuan Basin[J]. Natural Gas Geoscience, 2015,26(11):2155-2165. doi: 10.11764/j.issn.1672-1926.2015.11.2155
[6]	任世林, 张翠兰, 蓝辉 , 等. 元坝气田高含硫污水处理及回注方案优选[J]. 重庆科技学院学报(自然科学版), 2016,18(3):40-42.
	REN S L, ZHANG C L, LAN H , et al. Research on high sulfur waste water treatment and reinjection scheme optimization in Yuanba region[J]. Journal of Chongqing University of Science and Technology(Natural Sciences Edition), 2016,18(3):40-42.
[7]	杨志, 康露, 侯攀 , 等. 川东地区气田水回注系统风险评价方法[J]. 西南石油大学学报(自然科学版), 2016,38(1):152-157.
	YANG Z, KANG L, HOU P , et al. Risk assessment method of gas field water reinjection system in east Sichuan[J]. Journal of Southwest Petroleum University (Science & Technology Edition), 2016,38(1):152-157.
[8]	叶帆, 马培红, 李鹏 . 塔河油田三号联合站气提法脱硫工艺分析与优化探讨[J]. 石油实验地质, 2012,34(S1):149-152.
	YE F, MA P H, LI P . Analysis and optimization of desulfurization with gas stripping in Tahe No. 3 Plant[J]. Petroleum Geology & Experiment, 2012,34(S1):149-152.
[9]	汪卫东 . 油田污水中硫酸盐还原菌的变化规律及其控制技术[J]. 油气地质与采收率, 2013,20(6):61-64.
	WANG W D . Change rule and control method of sulfate-reducing bacteria in oilfield produced water[J]. Petroleum Geology and Recovery Efficiency, 2013,20(6):61-64.
[10]	蔡靖, 郑平, 胡宝兰 , 等. pH和碱度对同步厌氧生物脱氮除硫工艺性能的影响[J]. 化工学报, 2008,59(5):1264-1270.
	CAI J, ZHENG P, HU B L , et al. Influence of pH and alkalinity on process performance of simultaneous anaerobic sulfide and nitrate removal[J]. Journal of Chemical Industry and Engineering(China), 2008,59(5):1264-1270.
[11]	严忠, 庄术艺, 马晓峰 , 等. 曝气脱硫技术在新疆油田含油污水处理中的应用[J]. 石油与天然气化工, 2013,42(5):540-544.
	YAN Z, ZHUANG S Y, MA X F , et al. Application of aeration desulfurization technology in oily wastewater treatment in Xinjiang oilfield[J]. Chemical Engineering Oil & Gas, 2013,42(5):540-544.
[12]	惠小敏, 欧天雄, 刘方检 , 等. 复合除硫+絮凝净化处理高含硫气田碱性采出水[J]. 工业水处理, 2015,35(9):79-82.
	HUI X M, OU T X, LIU F J , et al. Treatment of alkaline produced water by combined technology of removing sulfur and fIoccuIating purification in sour gas field[J]. Industrial Water Treatment, 2015,35(9):79-82.
[13]	冯英明 . 生物除硫技术在含油污水处理站的应用[J]. 油气田地面工程, 2012,31(10):60-61.
	FENG Y M . Application of biological sulfur removal technology in oily wastewater treatment station[J]. Oil Gas Field Surface Engineering, 2012,31(10):60-61.
[14]	郭川梅, 唐晓东, 孙刚 , 等. 高含有机硫炼油废碱液的治理研究[J]. 西南石油学院学报, 2002,24(6):74-77.
	GUO C M, TANG X D, SUN G , et al. One approach of harnessing refining waste alkali liquor containing organic sulfides[J]. Journal of Southwest Petroleum Institute, 2002,24(6):74-77.
[15]	吕三雕, 陆鹏宇 . 含硫污水汽提装置优化生产方案探讨[J]. 石油炼制与化工, 2012,43(4):64-67.
	LYU S D, LU P Y . A discussion on optimizing production scheme of sour water stripping unit[J]. Petroleum Processing and Petrochemicals, 2012,43(4):64-67.
[16]	屈撑囤, 沈哲, 杨帆 , 等. 油气田含硫污水处理技术研究进展[J]. 油田化学, 2009,26(4):453-457.
	QU C T, SHEN Z, YANG F , et al. Progress of advanced treatments and technologies for sulfide-containing oil/gas field produced waters[J]. Oilfield Chemistry, 2009,26(4):453-457.
[17]	杨杰, 向启贵 . 含硫气田水达标外排处理技术新进展[J]. 天然气工业, 2017,37(7):126-131.
	YANG J, XIANG Q G . New progress in wastewater treatment technology for standard-reaching discharge in sour gas fields[J]. Natural Gas Industry, 2017,37(7):126-131.
[18]	范伟, 高继峰, 刘畅 . 高含硫气田含硫污水三级除硫技术优化[J]. 油气田地面工程, 2017,36(7):55-58.
	FAN W, GAO J F, LIU C . Technology optimization of three-step desulfurization sulfur-containing wastewater in the high sulfur gas field[J]. Oil-Gas Field Surface Engineering, 2017,36(7):55-58.
[19]	任广欣, 高波, 李士通 , 等. 负压气提稳定脱硫在塔河稠油油田中的应用[J]. 化学工程与装备, 2013,14(12):84-85.
	REN G X, GAO B, LI S T , et al. Negative pressure lifting and stable desulfurization in Tahe heavy oil field[J]. Chemical Engineering & Equipment, 2013,14(12):84-85.
[20]	杨小兵, 张德文 . 影响汽提塔负压的原因分析及对策[J]. 燃料与化工, 2012,43(3):53-55.
	YANG X B, ZHANG D W . Cause analysis and countermeasures of negative pressure in stripper[J]. Fuel & Chemical Processes, 2012,43(3):53-55.
[21]	刘晓丽, 原璐, 王金昌 , 等. 油田污水脱硫气提塔的设计选型[J]. 油气田地面工程, 2013,32(8):46-47.
	LIU X L, YUAN L, WANG J C , et al. Design and selection of desulfuration gas stripper for oilfield sewage[J]. Oil-Gas Field Surface Engineering, 2013,32(8):46-47.
[22]	孙士平 . 油田含硫污水气提塔酸度调节剂的筛选研究[J]. 石油工程建设, 2018,44(5):21-23.
	SUN S P . Acidity regulator selection of gas stripping column for oilfield sour water treatment[J]. Petroleum Engineering Construction, 2018,44(5):21-23.

处理阶段	计算过程
一级汽提	Q₁ = 盐酸日用量×盐酸单价×天数= 0.7×700×365=178 850元
二级氧化	Q₂ = 0.007 658×汽提水量×进水硫化物×优化前后汽提效率差×H₂O₂单价×天数 = 0.007 658×480×1 610×（96.28 %-76.6 %）×3.5×365≈1 487 881元
三级絮凝沉降	Q₃ = 0.001×汽提水量×进水硫化物×优化前后汽提效率差×污泥处理单价×天数/污泥含水率 = 0.001×480×1 610×（96.28 %-76.6 %）×4.5×365/50 %≈499 605元
经济效益	Q_总 = Q₂+Q₃-Q₁ ≈148.78+49.96-17.88=180.86万元

Analysis and optimization of influencing factors of negative pressure stripping desulfurization process for sour water in Yuanba gas field

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