Horizontal well drilling technology is widely used in the exploitation of petroleum and natural gas, shale gas, and geothermal resources. The temperature distribution of wellbore and surrounding formation has a significant influence on safe and fast drilling. This study aims to investigate the temperature distribution of horizontal wellbores during circulation by using transient temperature model. The transient temperature prediction model was established by the energy conservation law and solved by the relaxation iterative method. The validity of the model has been verified by the field data from the Tarim Oilfield. The calculation results showed that the highest temperature of the drilling fluid inside the drill string was at the bottomhole and the highest temperature of annulus drilling fluid was at some depth away from the bottomhole. Sensitivity analysis of various factors that affect the temperature distribution of annulus drilling fluid were carried out, including the circulation time, the flow rate, the density of drilling fluid, the inlet temperature, the vertical depth, the horizontal section length, and the geothermal gradient. It can be found that the vertical depth and the geothermal gradient have a significant influence on the bottomhole temperature, and inlet temperature plays a decisive influence on the outlet temperature. These findings can supply theoretical bases for the horizontal wellbore temperature distribution during drilling.
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September 2018
Research-Article
Analysis of Wellbore Temperature Distribution and Influencing Factors During Drilling Horizontal Wells
Zheng Zhang,
Zheng Zhang
State Key Laboratory of Oil and Gas Reservoir
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: zhangzhengswpu@163.com
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: zhangzhengswpu@163.com
Search for other works by this author on:
Youming Xiong,
Youming Xiong
State Key Laboratory of Oil and Gas Reservoir
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: xiongyoum@qq.com
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: xiongyoum@qq.com
Search for other works by this author on:
Fang Guo
Fang Guo
State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: 1273227418@qq.com
Gas Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: 1273227418@qq.com
Search for other works by this author on:
Zheng Zhang
State Key Laboratory of Oil and Gas Reservoir
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: zhangzhengswpu@163.com
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: zhangzhengswpu@163.com
Youming Xiong
State Key Laboratory of Oil and Gas Reservoir
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: xiongyoum@qq.com
Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: xiongyoum@qq.com
Fang Guo
State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: 1273227418@qq.com
Gas Reservoir Geology and Exploitation,
Southwest Petroleum University,
Chengdu 610500, Sichuan, China
e-mail: 1273227418@qq.com
1Corresponding author.
Contributed by the Petroleum Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received December 11, 2017; final manuscript received March 5, 2018; published online April 16, 2018. Assoc. Editor: Mohamed A. Habib.
J. Energy Resour. Technol. Sep 2018, 140(9): 092901 (11 pages)
Published Online: April 16, 2018
Article history
Received:
December 11, 2017
Revised:
March 5, 2018
Citation
Zhang, Z., Xiong, Y., and Guo, F. (April 16, 2018). "Analysis of Wellbore Temperature Distribution and Influencing Factors During Drilling Horizontal Wells." ASME. J. Energy Resour. Technol. September 2018; 140(9): 092901. https://doi.org/10.1115/1.4039744
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