Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures

Huifeng Liu; Zhixiong Xu; Wanjun Li; Qi Liu; Dongdong Hou; Ping Yang; Chuanyi Zhou

doi:doi:10.11648/j.sjee.20210903.11

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Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures

Huifeng Liu, Zhixiong Xu, Wanjun Li, Qi Liu, Dongdong Hou, Ping Yang, Chuanyi Zhou

Published in Science Journal of Energy Engineering (Volume 9, Issue 3)

Received: 26 June 2021 Accepted: 10 July 2021 Published: 29 July 2021

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Abstract

Jilake Reservoir TII in Tarim Basin, China, is characterized in high clay content, great water sensitivity, small difference between formation pressure and dew point pressure, severe retrograde condensation pollution, water output of gas reservoir and serious water blocking at the low-permeability position of the reservoir, imposing restrictions on the productivity of oil & gas wells. Sensitivity experiments showed that Jilake Reservoir TII was strongly sensitive to water, weakly sensitive to alkali and weakly sensitive to stress. Dynamic core displacement results showed that conventional water-based drilling fluid causes 40% permeability damage. SEM imaging indicated illite/smectite on the rock surface swelled and blocked the primary pore after encountering the drilling fluid. Besides, conventional water-based fracturing fluid caused 70%-90% damage to the permeability, and the SEM results also showed clay minerals swelling after absorbing water from the fracturing fluid. Experiments also showed that that the damage of retrograde condensation was also serious and 15% condensate oil reduced the gas permeability by 30%-60%. Moreover, water blocking damage also occurred to Jilake Reservoir TII, and the damage extent of gas permeability was a function of water saturation. However, the damage can be remitted by adding clay stabilizer and reverse wetting agent into the operating fluid. The laboratory tests indicated that the anti-swelling rate of the clay stabilizer reached 143.8%; the addition of the reverse wetting agent resulted in permeability increase by 3 times for formation water and 1.76 times for condensate oil.

Published in	Science Journal of Energy Engineering (Volume 9, Issue 3)
DOI	10.11648/j.sjee.20210903.11
Page(s)	30-35
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Tarim, Triassic, Reservoir Damage Factor, Water Sensitivity, Retrograde Condensation

References

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[11]	Jiang Yiwei, Bi Jianxia, Li Min et al., Study on the Influence of Retrograde Condensation Pollution on Productivity of Condensate Oil & Gas Well [J], Journal of Southwestern Petroleum Institute, 2005, 27 (6): 46-47.
[12]	Yan Jin, Zhang Liehui and Wang Yiwei, Evaluation and Elimination of Condensate Gas Well Retrograde Condensation Pollution [J], Natural Gas Industry, 2005, 25 (2): 133-135.
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APA Style

Huifeng Liu, Zhixiong Xu, Wanjun Li, Qi Liu, Dongdong Hou, et al. (2021). Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures. Science Journal of Energy Engineering, 9(3), 30-35. https://doi.org/10.11648/j.sjee.20210903.11

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ACS Style

Huifeng Liu; Zhixiong Xu; Wanjun Li; Qi Liu; Dongdong Hou, et al. Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures. Sci. J. Energy Eng. 2021, 9(3), 30-35. doi: 10.11648/j.sjee.20210903.11

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AMA Style

Huifeng Liu, Zhixiong Xu, Wanjun Li, Qi Liu, Dongdong Hou, et al. Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures. Sci J Energy Eng. 2021;9(3):30-35. doi: 10.11648/j.sjee.20210903.11

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@article{10.11648/j.sjee.20210903.11,
  author = {Huifeng Liu and Zhixiong Xu and Wanjun Li and Qi Liu and Dongdong Hou and Ping Yang and Chuanyi Zhou},
  title = {Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures},
  journal = {Science Journal of Energy Engineering},
  volume = {9},
  number = {3},
  pages = {30-35},
  doi = {10.11648/j.sjee.20210903.11},
  url = {https://doi.org/10.11648/j.sjee.20210903.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjee.20210903.11},
  abstract = {Jilake Reservoir TII in Tarim Basin, China, is characterized in high clay content, great water sensitivity, small difference between formation pressure and dew point pressure, severe retrograde condensation pollution, water output of gas reservoir and serious water blocking at the low-permeability position of the reservoir, imposing restrictions on the productivity of oil & gas wells. Sensitivity experiments showed that Jilake Reservoir TII was strongly sensitive to water, weakly sensitive to alkali and weakly sensitive to stress. Dynamic core displacement results showed that conventional water-based drilling fluid causes 40% permeability damage. SEM imaging indicated illite/smectite on the rock surface swelled and blocked the primary pore after encountering the drilling fluid. Besides, conventional water-based fracturing fluid caused 70%-90% damage to the permeability, and the SEM results also showed clay minerals swelling after absorbing water from the fracturing fluid. Experiments also showed that that the damage of retrograde condensation was also serious and 15% condensate oil reduced the gas permeability by 30%-60%. Moreover, water blocking damage also occurred to Jilake Reservoir TII, and the damage extent of gas permeability was a function of water saturation. However, the damage can be remitted by adding clay stabilizer and reverse wetting agent into the operating fluid. The laboratory tests indicated that the anti-swelling rate of the clay stabilizer reached 143.8%; the addition of the reverse wetting agent resulted in permeability increase by 3 times for formation water and 1.76 times for condensate oil.},
 year = {2021}
}

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TY  - JOUR
T1  - Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures
AU  - Huifeng Liu
AU  - Zhixiong Xu
AU  - Wanjun Li
AU  - Qi Liu
AU  - Dongdong Hou
AU  - Ping Yang
AU  - Chuanyi Zhou
Y1  - 2021/07/29
PY  - 2021
N1  - https://doi.org/10.11648/j.sjee.20210903.11
DO  - 10.11648/j.sjee.20210903.11
T2  - Science Journal of Energy Engineering
JF  - Science Journal of Energy Engineering
JO  - Science Journal of Energy Engineering
SP  - 30
EP  - 35
PB  - Science Publishing Group
SN  - 2376-8126
UR  - https://doi.org/10.11648/j.sjee.20210903.11
AB  - Jilake Reservoir TII in Tarim Basin, China, is characterized in high clay content, great water sensitivity, small difference between formation pressure and dew point pressure, severe retrograde condensation pollution, water output of gas reservoir and serious water blocking at the low-permeability position of the reservoir, imposing restrictions on the productivity of oil & gas wells. Sensitivity experiments showed that Jilake Reservoir TII was strongly sensitive to water, weakly sensitive to alkali and weakly sensitive to stress. Dynamic core displacement results showed that conventional water-based drilling fluid causes 40% permeability damage. SEM imaging indicated illite/smectite on the rock surface swelled and blocked the primary pore after encountering the drilling fluid. Besides, conventional water-based fracturing fluid caused 70%-90% damage to the permeability, and the SEM results also showed clay minerals swelling after absorbing water from the fracturing fluid. Experiments also showed that that the damage of retrograde condensation was also serious and 15% condensate oil reduced the gas permeability by 30%-60%. Moreover, water blocking damage also occurred to Jilake Reservoir TII, and the damage extent of gas permeability was a function of water saturation. However, the damage can be remitted by adding clay stabilizer and reverse wetting agent into the operating fluid. The laboratory tests indicated that the anti-swelling rate of the clay stabilizer reached 143.8%; the addition of the reverse wetting agent resulted in permeability increase by 3 times for formation water and 1.76 times for condensate oil.
VL  - 9
IS  - 3
ER  -

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Author Information

Huifeng Liu

CNPC Engineering Technology R&D Company Limited, Beijing, China
Zhixiong Xu

Petro China Tarim Oilfield Company, Korla, China
Wanjun Li

CNPC Engineering Technology R&D Company Limited, Beijing, China
Qi Liu

CNPC Engineering Technology R&D Company Limited, Beijing, China
Dongdong Hou

China National Oil and Gas Exploration and Development Corporation, Beijing, China
Ping Yang

CNPC Great Wall Drilling Company, Beijing, China
Chuanyi Zhou

College of Petroleum Engineering, China University of Petroleum (Beijing), Beijing, China

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APA Style

Huifeng Liu, Zhixiong Xu, Wanjun Li, Qi Liu, Dongdong Hou, et al. (2021). Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures. Science Journal of Energy Engineering, 9(3), 30-35. https://doi.org/10.11648/j.sjee.20210903.11

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ACS Style

Huifeng Liu; Zhixiong Xu; Wanjun Li; Qi Liu; Dongdong Hou, et al. Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures. Sci. J. Energy Eng. 2021, 9(3), 30-35. doi: 10.11648/j.sjee.20210903.11

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AMA Style

Huifeng Liu, Zhixiong Xu, Wanjun Li, Qi Liu, Dongdong Hou, et al. Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures. Sci J Energy Eng. 2021;9(3):30-35. doi: 10.11648/j.sjee.20210903.11

Copy | Download

@article{10.11648/j.sjee.20210903.11,
  author = {Huifeng Liu and Zhixiong Xu and Wanjun Li and Qi Liu and Dongdong Hou and Ping Yang and Chuanyi Zhou},
  title = {Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures},
  journal = {Science Journal of Energy Engineering},
  volume = {9},
  number = {3},
  pages = {30-35},
  doi = {10.11648/j.sjee.20210903.11},
  url = {https://doi.org/10.11648/j.sjee.20210903.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjee.20210903.11},
  abstract = {Jilake Reservoir TII in Tarim Basin, China, is characterized in high clay content, great water sensitivity, small difference between formation pressure and dew point pressure, severe retrograde condensation pollution, water output of gas reservoir and serious water blocking at the low-permeability position of the reservoir, imposing restrictions on the productivity of oil & gas wells. Sensitivity experiments showed that Jilake Reservoir TII was strongly sensitive to water, weakly sensitive to alkali and weakly sensitive to stress. Dynamic core displacement results showed that conventional water-based drilling fluid causes 40% permeability damage. SEM imaging indicated illite/smectite on the rock surface swelled and blocked the primary pore after encountering the drilling fluid. Besides, conventional water-based fracturing fluid caused 70%-90% damage to the permeability, and the SEM results also showed clay minerals swelling after absorbing water from the fracturing fluid. Experiments also showed that that the damage of retrograde condensation was also serious and 15% condensate oil reduced the gas permeability by 30%-60%. Moreover, water blocking damage also occurred to Jilake Reservoir TII, and the damage extent of gas permeability was a function of water saturation. However, the damage can be remitted by adding clay stabilizer and reverse wetting agent into the operating fluid. The laboratory tests indicated that the anti-swelling rate of the clay stabilizer reached 143.8%; the addition of the reverse wetting agent resulted in permeability increase by 3 times for formation water and 1.76 times for condensate oil.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Analysis on Damage Factors of Jilake Reservoir TII, Tarim Basin and the Countermeasures
AU  - Huifeng Liu
AU  - Zhixiong Xu
AU  - Wanjun Li
AU  - Qi Liu
AU  - Dongdong Hou
AU  - Ping Yang
AU  - Chuanyi Zhou
Y1  - 2021/07/29
PY  - 2021
N1  - https://doi.org/10.11648/j.sjee.20210903.11
DO  - 10.11648/j.sjee.20210903.11
T2  - Science Journal of Energy Engineering
JF  - Science Journal of Energy Engineering
JO  - Science Journal of Energy Engineering
SP  - 30
EP  - 35
PB  - Science Publishing Group
SN  - 2376-8126
UR  - https://doi.org/10.11648/j.sjee.20210903.11
AB  - Jilake Reservoir TII in Tarim Basin, China, is characterized in high clay content, great water sensitivity, small difference between formation pressure and dew point pressure, severe retrograde condensation pollution, water output of gas reservoir and serious water blocking at the low-permeability position of the reservoir, imposing restrictions on the productivity of oil & gas wells. Sensitivity experiments showed that Jilake Reservoir TII was strongly sensitive to water, weakly sensitive to alkali and weakly sensitive to stress. Dynamic core displacement results showed that conventional water-based drilling fluid causes 40% permeability damage. SEM imaging indicated illite/smectite on the rock surface swelled and blocked the primary pore after encountering the drilling fluid. Besides, conventional water-based fracturing fluid caused 70%-90% damage to the permeability, and the SEM results also showed clay minerals swelling after absorbing water from the fracturing fluid. Experiments also showed that that the damage of retrograde condensation was also serious and 15% condensate oil reduced the gas permeability by 30%-60%. Moreover, water blocking damage also occurred to Jilake Reservoir TII, and the damage extent of gas permeability was a function of water saturation. However, the damage can be remitted by adding clay stabilizer and reverse wetting agent into the operating fluid. The laboratory tests indicated that the anti-swelling rate of the clay stabilizer reached 143.8%; the addition of the reverse wetting agent resulted in permeability increase by 3 times for formation water and 1.76 times for condensate oil.
VL  - 9
IS  - 3
ER  -

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