Kinetics Modeling of Gas Hydrate Deposition and Blockage at Annular-mist Flow State in Production Wells of Deep Water Gas Fields

doi:10.11885/j.issn.1674-5086.2020.05.20.01

Abstract

Abstract: During the production process of deep-water gas fields, gas hydrate can be formed in the wellbore near the wellhead at seabed, which can cause blockage of the production tubing. In this study, a gas-liquid two-phase annular-mist flow pattern is considered in the wellbore, and formation of hydrate particles in the gas core and the liquid films is assumed. A kinetics model for hydrate deposition and wellbore blockage is established, in which the formation, migration and wall adhesion of hydrate particles in the liquid film are considered, and the formation, coalescence, crushing and settling behaviors of hydrate particles are considered in the gas core. The model can be used to simulate and predict the hydrate blockage time and position in the wellbore under different operating conditions. The relative error between the model prediction results and the hydrate loop experiment blockage pressure drop is less than 10%. For a case study of a typical deep-water gas field, the risk analysis of wellbore hydrate formation and blockage is carried out, in which the growth rate of hydrate deposition layer in wellbore, its thickness distribution and complete blockage time are predicted.

Key words: deep-water gas field, annular-mist flow, gas hydrate, kinetics model, deposition and blockage

CLC Number:

TE53

DONG Zhao, DIAO Yuqian, LI Zhong, JIANG Donglei, ZHANG Panfeng. Kinetics Modeling of Gas Hydrate Deposition and Blockage at Annular-mist Flow State in Production Wells of Deep Water Gas Fields[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2022, 44(1): 132-142.

0
/ / Recommend

Add to citation manager EndNote|Ris|BibTeX

URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2020.05.20.01

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2022/V44/I1/132

References

[1] JIANG Shanliang, CHEN Chao, LI Guanbao, et al. Effect of salt contents on the gas hydrate anti-agglomerant performance[J]. Natural Gas Industry, 2019, 39(8): 120-125. doi: 10.3787/j.issn.1000-0976.2019.08.015 蒋善良, 陈超, 利观宝, 等. 盐含量对天然气水合物防聚剂性能的影响[J]. 天然气工业, 2019, 39(8): 120-125. doi: 10.3787/j.issn.1000-0976.2019.08.015
[2] WANG Zhiyuan, ZHAO Yang, SUN Baojiang, et al. Features and prevention of gas hydrate blockage in test strings of deep-water gas wells[J]. Natural Gas Industry, 2018, 38(1): 81-88. doi: 10.3787/j.issn.1000-0976.2018.01.010 王志远, 赵阳, 孙宝江, 等. 深水气井测试管柱内天然气水合物堵塞特征与防治新方法[J]. 天然气工业, 2018, 38(1): 81-88. doi: 10.3787/j.issn.1000-0976.2018.01.010
[3] HUO Hongjun, REN Shaoran, WANG Ruihe, et al. Experi-ment on synergetic effects of kinetic and thermodynamic hydrate inhibitors[J]. Journal of China University of Petroleum, 2012, 36(5): 110-113. doi: 10.3969/j.issn.1673-5005.2012.05.020 霍洪俊, 任韶然, 王瑞和, 等. 气体水合物动力学和热力学抑制剂复合作用试验[J]. 中国石油大学学报(自然科学版), 2012, 36(5): 110-113. doi: 10.3969/j.issn.1673-5005.2012.05.020
[4] ZHAO Xin, QIU Zhengsong, JIANG Lin, et al. Study on high performance gas hydrate inhibitor in deepwater drilling fluid[J]. Journal of China University of Petroleum, 2013, 37(6): 159-164. doi: 10.3969/j.issn.1673-5005.2013.06.026 赵欣, 邱正松, 江琳, 等. 深水钻井液高效水合物抑制剂研究[J]. 中国石油大学学报(自然科学版), 2013, 37(6): 159-164. doi: 10.3969/j.issn.1673-5005.2013.06.026
[5] YANG Jian, FENG Yingying, ZHANG Benjian, et al. A blockage removal technology for natural gas hydrates in the wellbore of an ultra-high pressure sour gas well[J]. Natural Gas Industry, 2020, 40(9): 64-69. doi: 10.3787/-j.issn.1000-0976.2020.09.008 杨健, 冯莹莹, 张本健, 等. 超高压含硫气井井筒内天然气水合物解堵技术[J]. 天然气工业, 2020, 40(9): 64-69. doi: 10.3787/-j.issn.1000-0976.2020.09.008
[6] LI Xiangfang, LIU Wenyuan, LIU Shujie, et al. A prevention and control method for natural gas hydrate in pipe strings during deepwater gas well production tests[J]. Natural Gas Industry, 2019, 39(7): 63-72. doi: 10.3787/j.issn.1000-0976.2019.07.008 李相方, 刘文远, 刘书杰, 等. 深水气井测试求产阶段管柱内天然气水合物防治方法[J]. 天然气工业, 2019, 39(7): 63-72. doi: 10.3787/j.issn.1000-0976.2019.07.008
[7] FAN Shuanshi, GUO Kai, WANG Yanhong, et al. Present situation and prospect of performance evaluation methods for kinetic hydrate inhibitors(KHIs)[J]. Natural Gas Industry, 2018, 38(9): 103-113. doi: 10.3787/j.issn.1000-0976.2018.09.014 樊栓狮, 郭凯, 王燕鸿, 等. 天然气水合物动力学抑制剂性能评价方法的现状与展望[J]. 天然气工业, 2018, 38(9): 103-113. doi: 10.3787/j.issn.1000-0976.2018.09.014
[8] DORSTEWITZ F, MEWES D. The influence of heat transfer on the formation of hydrate layers in pipes[J]. International Journal of Heat and Mass Transfer, 1994, 37(14): 2131-2137. doi: 10.1016/0017-9310(94)90314-X
[9] JOSHI S V, GRASSO G A, LAFOND P G, et al. Experimental flowloop investigations of gas hydrate formation in high water cut systems[J]. Chemical Engineering Science, 2013, 97: 198-209. doi: 10.1016/j.ces.2013.04.019
[10] CAMARGO R, PALERMO T. Rheological properties of hydrate suspensions in an asphaltenic crude oil[C]. Proceedings of the 4th International Conference on Gas Hydrates, 2002.
[11] WANG Zhiyuan, ZHAO Yang, SUN Baojiang, et al. Modeling of hydrate blockage in gas-dominated systems[J]. Energy & Fuels, 2016, 30(6): 4653-4666. doi: 10.1021/-acs.energyfuels.6b00521
[12] RAO I, KOH C A, SLOAN E D, et al. Gas hydrate deposition on a cold surface in water-saturated gas systems[J]. Industrial & Engineering Chemistry Research, 2013, 52(18): 6262-6269. doi: 10.1021/ie400493a
[13] LINGELEM M N, MAJEED A I, STANGE E, et al. Industrial experience in evaluation of hydrate formation, inhibition, and dissociation in pipeline design and operation[J]. Annals of the New York Academy of Sciences, 1994, 715(1): 75-93. doi: 10.1111/j.1749-6632.1994.tb38825.x
[14] ENGLEZOS P, KALOGERAKIS N, DHOLABHAI P D, et al. Kinetics of formation of methane and ethane gas hydrates[J]. Chemical Engineering Science, 1987, 42(11): 2647-2658. doi: 10.1016/0009-2509(87)87015-X
[15] TURNER D, CAROLYN A K. Development of a hydrate kinetic model and its incorporation into the olga2000$\circledR$ transient multi-phase flow simulator[C]. Trondheim, Norway: Proceeding of the 5th International Conference on Gas Hydrates, 2005.
[16] GUHA A. Transport and deposition of particles in turbulent and laminar flow[J]. Annual Review of Fluid Mecha-nics, 2008, 40(1): 311-341. doi: 10.1146/annurev.fluid.40.111406.102220
[17] GOSMAN A D, LOANNIDES E. Aspects of computer simulation of liquid-fueled combustors[J]. Journal of Energy, 1983, 7(6): 482-490. doi: 10.2514/3.62687
[18] ESKIN D, RATULOWSKI J, AKBARZADEH K. Mode-ling of particle deposition in a vertical turbulent pipe flow at a reduced probability of particle sticking to the wall[J]. Chemical Engineering Science, 2011, 66(20): 4561-4572. doi: 10.1016/j.ces.2011.06.015
[19] GAO Yonghai, CHEN Ye, MENG Wenbo, et al. Hydrate critical deposition size in deep water gas well test and sensitive factors[J]. Journal of China University of Petroleum, 2018, 42(6): 161-170. doi: 10.3969/j.issn.1673-5005.2018.06.019 高永海, 陈野, 孟文波, 等. 深水气井测试水合物临界沉积粒径及敏感因素[J]. 中国石油大学学报(自然科学版), 2018, 42(6): 161-170. doi: 10.3969/j.issn.1673-5005.2018.06.019
[20] O'NEILL M E. A sphere in contact with a plane wall in a slow linear shear flow[J]. Chemical Engineering Sci-ence, 1968, 23(11): 1293-1298. %doi: 10.1016/0009-2509(68)-89039-6
[21] TATTERSON D F, DALLMAN J C, HANRATTY T J. Drop sizes in annular gas-liquid flows[J]. AIChE Journal, 1977, 23(1): 68-76. doi: 10.1002/aic.690230112
[22] KATAOKA I, ISHⅡ M, NAKAYAMA A. Entrainment and desposition rates of droplets in annular two-phase flow[J]. International Journal of Heat and Mass Transfer, 2000, 43(9): 1573-1589. doi: 10.1016/S0017-9310(99)00236-7
[23] SONG Guangchun, LI Yuxing, WANG Wuchang, et al. Numerical simulation of pipeline hydrate particle agglo-meration based on population balance theory[J]. Journal of Natural Gas Science and Engineering, 2018, 51: 251-261. doi: 10.1016/j.jngse.2018.01.009
[24] RABINOVICH Y I, ESAYANUR M S, MOUDGIL B M. Capillary forces between two spheres with a fixed volume liquid bridge: Theory and experiment[J]. Langmuir, 2005, 21(24): 10992-10997. doi: 10.1021/la0517639
[25] SERRA T, CASAMITJANA X. Effect of the shear and volume fraction on the aggregation and breakup of particles[J]. AIChE Journal, 1998, 44(8): 1724-1730. doi: 10.1002/aic.690440803
[26] LORENZO M D, AMAN Z M, SANCHEZ S G, et al. Hydrate formation in gas-dominant systems using a single-pass flowloop[J]. Energy & Fuels, 2014, 28(5): 3043- 3052. doi: 10.1021/ef500361r