Analysis of restart-up pressure drop characteristics of heavy oil-water ring transportation pipeline

doi:10.16085/j.issn.1000-6613.2022-2281

Chemical Industry and Engineering Progress ›› 2023, Vol. 42 ›› Issue (11): 5669-5679.DOI: 10.16085/j.issn.1000-6613.2022-2281

• Energy processes and technology • Previous Articles Next Articles

Analysis of restart-up pressure drop characteristics of heavy oil-water ring transportation pipeline

YIN Xiaoyun¹^,²(), FU Linhao¹^,², LI Jiayi³, CHENG Sijie¹^,², JING Jiaqiang⁴^,⁵(), MASTOBAEV Boris N⁶, SUN Jie⁴^,⁵

^1.Safety, Environment and Technology Supervision Research Institute of PetroChina Southwest Oil and Gas Field Company, Chengdu 610041, Sichuan, China
^2.Shale Gas Evaluation and Exploitation Key Laboratory of Sichuan Province, Chengdu 610041, Sichuan, China
^3.Pipeline Co. , Ltd. of Guizhou Province, PipeChina Southwest Pipeline Co. , Ltd. , Chengdu 610000, China
^4.School of Oil & Natural Gas Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China
^5.Oil & Gas Fire Protection Key Laboratory of Sichuan Province, Chengdu 611731, Sichuan, China
^6.Department of Transport and Storage of Oil and Gas, UFA State Petroleum Technological University, 450062, UFA, Russia

Received:2022-12-09 Revised:2023-03-01 Online:2023-12-15 Published:2023-11-20
Contact: JING Jiaqiang

稠油水环输送管道再启动压降特性分析

尹晓云¹^,²(), 付林浩¹^,², 李佳忆³, 程思杰¹^,², 敬加强⁴^,⁵(), MASTOBAEV Boris N⁶, 孙杰⁴^,⁵

^1.中国石油西南油气田分公司安全环保与技术监督研究院，四川成都 610041
^2.页岩气评价与开采四川省重点实验室，四川成都 610041
^3.国家管网集团西南管道有限责任公司贵州省管网有限公司，四川成都 610000
^4.西南石油大学石油与天然气工程学院，四川成都 610500
^5.油气消防四川省重点实验室，四川成都 611731
^6.Department of Transport and Storage of Oil and Gas, UFA State Petroleum Technological University, Russia UFA 450062

通讯作者: 敬加强
作者简介:尹晓云（1995—），女，博士，工程师，研究方向为油气集输多相流、油气田节能减排。E-mail：yinxy0122@163.com。
基金资助:
国家自然科学基金(U19B2012)

Abstract

Abstract:

Aiming at the problem of restart-up for heavy oil-water ring transportation pipeline due to instability and damage of the water ring, based on the self-developed design of small indoor loop simulation experimental device, taking four kinds of ordinary heavy oil in Luda oilfield as the research object, the change law of restart-up pressure drop with time was experimentally studied when the pipeline was restarted-up after shutdown at constant water flow. The effects of oil holdup, oil viscosity, shutdown time as well as constant water flow velocity on the restart-up pressure drop were discussed. The regression analysis on the results of orthogonal restart-up experiment was conducted by IBM SPSS software, and a multivariate nonlinear regression model of restart-up pressure drop was established, the prediction reliability of which was verified through 192 groups of experimental data. The experimental results showed that the variations of restart-up pressure drop with time can be divided into two stages: attenuation stage and equilibrium stage. The restart-up pressure drop was positively correlated with oil holdup, oil viscosity, shutdown time and constant water flow velocity, but the influences of oil holdup and constant water flow velocity were the most significant. The predicted values of restart-up pressure drop were in good coincidence with the measured ones, and the relative error are within the range of ±10%.

Key words: heavy oil, water annulus, orthogonal experiment, restart-up pressure drop, regression model

摘要：

针对稠油水环输送管线因水环失稳破坏需重新启动的问题，基于自行研发设计的室内小型再启动环道模拟实验装置，以旅大油田四种普通稠油为研究对象，实验研究了稠油水环输送管道停输后以恒定水流量重新启动时，其再启动压降随时间的变化规律，讨论了持油率、油品黏度、停输时间及恒定水流速度对再启动压降的影响，应用IBM SPSS软件对正交再启动实验结果进行回归分析，建立再启动压降多元非线性回归模型，并通过192组实验数据验证其预测可靠性。实验结果表明：再启动压降随时间的变化可划分为压降衰减和压降恒定两个阶段；再启动压降与持油率、油品黏度、停输时间及恒定水流速度都呈正相关关系，但持油率与恒定水流速度的影响最显著；再启动压降的模型预测值与实验测量值吻合较好，其相对误差均在±10%范围以内。

关键词: 稠油, 水环, 再启动压降, 正交实验, 回归模型

CLC Number:

TE866

YIN Xiaoyun, FU Linhao, LI Jiayi, CHENG Sijie, JING Jiaqiang, MASTOBAEV Boris N, SUN Jie. Analysis of restart-up pressure drop characteristics of heavy oil-water ring transportation pipeline[J]. Chemical Industry and Engineering Progress, 2023, 42(11): 5669-5679.

尹晓云, 付林浩, 李佳忆, 程思杰, 敬加强, MASTOBAEV Boris N, 孙杰. 稠油水环输送管道再启动压降特性分析[J]. 化工进展, 2023, 42(11): 5669-5679.

Figures/Tables 13

References 32

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名称	型号	主要参数	生产厂家
高温渣油泵	ZYB-83.3	流量5m³/h，吸程5m，电机功率2.2kW	泊头市衡科高温油泵厂
立式不锈钢多级离心泵	CVL4-16	额定流量4m³/h，额定扬程134m，功率3kW	广东凌霄泵业股份有限公司
涡轮流量计	LWGY-830	量程1~10m³/h，精度等级0.5级	天津七星华控自动化仪表有限公司
电磁流量计	LDC-QX315	量程0.5~7.0m³/h，精度等级0.5级	天津七星华控自动化仪表有限公司
活塞式空气压缩机	V-0.60/8型	转速860r/min，排气量0.60m³/min，排气压力0.8MPa	上海捷豹压缩机制造有限公司
差压变送器	CYQ-3051DP	量程0~50kPa，精度0.1%	天津七星华控自动化仪表有限公司
温度变送器	CWQ-316	量程0~100℃，精度0.25%	天津七星华控自动化仪表有限公司
千眼狼高速相机	2F04C	全幅分辨率2320×1720，采样曝光时间1~800s	合肥君达高科信息技术有限公司

名称	型号	主要参数	生产厂家
高温渣油泵	ZYB-83.3	流量5m³/h，吸程5m，电机功率2.2kW	泊头市衡科高温油泵厂
立式不锈钢多级离心泵	CVL4-16	额定流量4m³/h，额定扬程134m，功率3kW	广东凌霄泵业股份有限公司
涡轮流量计	LWGY-830	量程1~10m³/h，精度等级0.5级	天津七星华控自动化仪表有限公司
电磁流量计	LDC-QX315	量程0.5~7.0m³/h，精度等级0.5级	天津七星华控自动化仪表有限公司
活塞式空气压缩机	V-0.60/8型	转速860r/min，排气量0.60m³/min，排气压力0.8MPa	上海捷豹压缩机制造有限公司
差压变送器	CYQ-3051DP	量程0~50kPa，精度0.1%	天津七星华控自动化仪表有限公司
温度变送器	CWQ-316	量程0~100℃，精度0.25%	天津七星华控自动化仪表有限公司
千眼狼高速相机	2F04C	全幅分辨率2320×1720，采样曝光时间1~800s	合肥君达高科信息技术有限公司

水平	持油率	油品黏度/Pa·s	停输时间/h	恒定水流速度/m·s^-1
1	0.26	1.0553	0.5	0.25
2	0.35	2.038	1	0.53
3	0.45	2.55	—	0.72
4	0.55	3.02	—	1.01
5	0.66	—	—	—
6	0.76	—	—	—

水平	持油率	油品黏度/Pa·s	停输时间/h	恒定水流速度/m·s^-1
1	0.26	1.0553	0.5	0.25
2	0.35	2.038	1	0.53
3	0.45	2.55	—	0.72
4	0.55	3.02	—	1.01
5	0.66	—	—	—
6	0.76	—	—	—

序列	持油率	油品黏度/Pa·s	停输时间/h	恒定水流速度/m·s^-1	再启动压降/Pa
1	3	2	2	1	3412.57
2	2	1	1	3	3216.23
3	1	4	2	4	3417.56
4	1	2	1	3	1781.75
5	4	1	1	4	10934.14
6	2	1	2	2	2884.65
7	1	1	2	4	1345.32
8	5	4	1	2	14026.28
9	2	4	1	3	4687.44
10	2	3	2	4	6601.85
11	2	3	1	1	2214.60
12	1	3	2	2	2295.27
13	1	2	2	2	1963.57
14	4	3	1	2	9714.95
15	5	1	2	3	11024.30
16	2	2	2	4	5872.38
17	3	4	2	3	10335.63
18	5	3	2	1	8824.10
19	6	3	2	3	20378.42
20	3	3	1	4	11119.83
21	2	4	2	2	4688.74
22	5	2	1	4	18763.50
23	1	3	1	3	2103.36
24	2	2	1	1	2057.87
25	6	1	2	1	6125.19
26	6	2	1	2	15679.55
27	4	2	2	3	11096.20
28	1	1	1	1	789.53
29	4	4	2	1	6001.74
30	6	4	1	4	29984.57
31	3	1	1	2	4902.63
32	1	4	1	1	1198.49

Analysis of restart-up pressure drop characteristics of heavy oil-water ring transportation pipeline

稠油水环输送管道再启动压降特性分析

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Figures/Tables 13

References 32

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参数	持油率	油品黏度/Pa·s	停输时间/h	恒定水流速度/m·s^-1
F值	26.853	3.393	3.237	10.046
Sig.值	0.000	0.039	0.088	0.000

参数	持油率	油品黏度/Pa·s	停输时间/h	恒定水流速度/m·s^-1
F值	26.853	3.393	3.237	10.046
Sig.值	0.000	0.039	0.088	0.000