Special Oil & Gas Reservoirs >

2021 , Vol. 28 >Issue 2: 57 - 62

DOI: https://doi.org/10.3969/j.issn.1006-6535.2021.02.008

Reservoir Engineering

Calculation of Production Depth of Oil Wells in Ultra-Deep Fault-Karst Reservoirs Based on Well Temperature

  • Gu Hao ,
  • Shang Genhua ,
  • Li Huili ,
  • Wang Qiang ,
  • Zhu Lianhua ,
  • Zhao Rui ,
  • Kang Zhijiang ,
  • Li Wangpeng
Expand
  • 1. SINOPEC Petroleum Exploration and Production Research Institute, Beijing 100083, China;
    2. SINOPEC Northwest Oilfield Company, Urumqi, Xinjiang 830011, China

Received date: 2020-05-14

  Revised date: 2020-12-30

  Online published: 2022-02-16

Fold

Abstract

Due to good vertical interconnection in the ultra-deep fault-karst reservoirs, oil and gas under the well bottom can easily flow to the well bottom along the fractured channel with high conductivity in oil well production. In order to identify the production depth of oil wells, Well W9 well in Z Oilfield was taken as an example to compare and analyze the characteristics of flow temperature and static temperature of ultra-deep fault-karst reservoirss, and establish the calculation method of oil well production depth with different temperature-depth relationships based on temperature characteristics. It was found in the study that the flow temperature at the same depth was greater than the static temperature, which had nothing to do with the nozzle diameter; when the depth was constant, the larger the nozzle diameter, the higher the flow temperature; as the depth increased, the difference between the flow temperature and the static temperature generally decreased, and the flow temperature gradient was low near the well bottom; the temperature characteristics of the ultra-deep fault-karst reservoirs were affected by heat loss, oil well production depth and heat transfer mode; the production depth of Well W9 was about 52 to 62 m under the current production conditions with Ф4.5 mm nozzle. This study can provide a basis for the judgment of oil column height, reserve calculation and formulation of reasonable production systems for ultra-deep fault-karst reservoirs.

Key words： ultra-deep oil reservoir; fault-karst reservoirs; production depth; flow temperature; static temperature; oil column height

Cite this article

Gu Hao , Shang Genhua , Li Huili , Wang Qiang , Zhu Lianhua , Zhao Rui , Kang Zhijiang , Li Wangpeng . Calculation of Production Depth of Oil Wells in Ultra-Deep Fault-Karst Reservoirs Based on Well Temperature[J]. Special Oil & Gas Reservoirs, 2021 , 28(2) : 57 -62 . DOI: 10.3969/j.issn.1006-6535.2021.02.008

References

[1] 焦方正.塔里木盆地顺北特深碳酸盐岩断溶体油气藏发现意义与前景[J].石油与天然气地质,2018, 39(2):207-216.
JIAO Fangzheng.Significance and prospect of ultra-deep carbonate fault-karst reservoirs in Shunbei Area,Tarim Basin[J].Oil ＆ Gas Geology,2018,39(2):207-216.
[2] 翟长,赵锐,李慧莉,等.塔里木盆地顺北5断裂带储集体地震反射特征与产能特征分析[J].特种油气藏,2020,27(1):68-74.
ZHAI Chang,ZHAO Rui,LI Huili,et al.Seismic reflection and productivity of reservoirs in the Fault-Zone 5 of Shunbei,Tarim Basin[J].Special Oil & Gas Reservoirs,2020,27(1):68-74.
[3] 赵锐,赵腾,李慧莉,等. 塔里木盆地顺北油气田断控缝洞型储层特征与主控因素[J]. 特种油气藏, 2019,26(5):8-13.
ZHAO Rui,ZHAO Teng,LI Huili,et al.Fault-controlled fracture-cavity reservoir characterization and main-controlling factors in the Shunbei hydrocarbon field of Tarim Basin[J].Special Oil & Gas Reservoirs,2019,26(5):8-13.
[4] 鲁新便,胡文革,汪彦,等.塔河地区碳酸盐岩断溶体油藏特征与开发实践[J].石油与天然气地质,2015, 36(3):347-355.
LU Xinbian,HU Wenge,WANG Yan,et al.Characteristics and development practice of fault-karst carbonate reservoirs in Tahe Area,Tarim Basin[J].Oil & Gas Geology,2015,36(3):347-355.
[5] 鲁新便,杨敏,汪彦,等.塔里木盆地北部“层控”与“断控”型油藏特征——以塔河油田奥陶系为例[J].石油实验地质,2018,40(4):461-469.
LU Xinbian,YANG Min,WANG Yan,et al.Geological characteristics of ‘strata-bound’ and ‘fault-controlled’ reservoirs in the northern Tarim Basin:taking the Ordovician reservoirs in the Tahe Oilfield as an example[J].Petroleum Geology ＆ Experiment,2018,40(4):461-469.
[6] 朱维耀,刘今子,宋洪庆,等.低/特低渗透油藏非达西渗流有效动用计算方法[J].石油学报,2010,31(3): 452-457.
ZHU Weiyao,LIU Jinzi,SONG Hongqing,et al.Calculation of effective startup degree of non-Darcy flow in low or ultra-low permeability reservoirs[J].Acta Petrolei Sinica,2010,31(3):452-457.
[7] 陈民锋,赵晶,赵梦盼,等.低渗透稠油油藏储量有效动用界限研究[J]. 深圳大学学报(理工版),2013, 30(2):210-215.
CHEN Minfeng,ZHAO Jing,ZHAO Mengpan,et al.Study on limits of effective drive in low-permeability heavy-oil reservoirs[J].Journal of Shenzhen University (Science & Engineering Edition),2013,30(2):210-215.
[8] 刘成双.利用油井分层测试工艺判断出水层位的方法研究[D].大庆:大庆石油学院,2009.
LIU Chengshuang.The study on judging the efflient water layer by the well stratified test[D].Daqing:Daqing Petroleum Institute,2009.
[9] 李传亮.油藏工程原理[M].北京:石油工业出版社,2011:120-122.
LI Chuanliang.Fundamentals of Reservoir Engineering[M].Beijing:Petroleum Industry Press,2011:120-122.
[10] GU Hao,CHENG Linsong,HUANG Shijun,et al.Steam injection for heavy oil recovery:modelling of wellbore heat efficiency and analysis of steam injection performance[J].Energy Conversion and Management,2015,97(9):166-177.
[11] 张尉然,赵斌.多孔介质强迫对流换热及研究进展[J].华北理工大学学报(自然科学版),2009,31(4):11-13.
ZHANG Weiran,ZHAO Bin.During the forced convection applying the porous medium to enhance the exchange heat and development of research[J].Journal of Hebei Polytechnic University(Social Science Edition),2009,31(4):11-13.
[12] 安娜,罗攀登,李永寿,等.碳酸盐岩储层深度酸压用固体颗粒酸的研制[J]. 石油钻探技术, 2020, 48(2): 93-97.
AN Na, LUO Pandeng, LI Yongshou, et al. Development of solid granular acid for the deep acid-fracturing of carbonate reservoirs[J]. Petroleum Drilling Techniques, 2020, 48(2): 93-97.
[13] 刘树亮,刘子勇,高中显,等.山东地区基岩岩溶热储分布特征及资源潜力评价[J].中国石油勘探, 2019, 24(6):699-708.
LIU Shuliang,LIU Ziyong,GAO Zhongxian,et al. Distribution characteristics and resource potential of thermal bedrock karst reservoirs in Shandong[J].China Petroleum Exploration, 2019, 24(6): 699-708.
[14] 安永生,周大可,欧阳铁兵,等.基于热力学模型的油井井筒析蜡规律[J].断块油气田,2019,26(5):649-652.
AN Yongsheng,ZHOU Dake,OUYANG Tiebing,et al.Research on patterns of wax precipitation in wellbore based on thermodynamic model[J].Fault-Block Oil & Gas Field,2019,26(5):649-652.
[15] 刘勇,王崇先,李晓辉,等.深层超稠油多元热流体开采机理[J].断块油气田,2019,26(05):638-643.
LIU Yong,WANG Chongxian,LI Xiaohui,et al.Development mechanism of multivariate thermal fluid of deep super-heavy oil[J].Fault-Block Oil & Gas Field,2019,26(5):638-643.
[16] 陈作,李双明,陈赞,等. 深层页岩气水力裂缝起裂与扩展试验及压裂优化设计[J]. 石油钻探技术, 2020, 48(3): 70-76.
CHEN Zuo, LI Shuangming, CHEN Zan, et al.Hydraulic fracture initiation and extending tests in deep shale gas formations and fracturing design optimization[J].Petroleum Drilling Techniques, 2020, 48(3): 70-76.
[17] 王迪,国殿斌,汪新伟,等. 河南清丰地区岩溶热储地热地质特征[J]. 东北石油大学学报,2020,44(1):32-43.
WANG Di, GUO Dianbin, WANG Xinwei, et al.Characteristics of geothermal geology of karst geothermal reservoir in Qingfeng Area, Henan[J].Journal of Northeast Petroleum University,2020,44(1):32-43.
[18] 顾浩.SAGD注蒸汽井筒-地层耦合传质传热模型及应用[D].北京:中国石油大学(北京),2016.
GU Hao.SAGD steam injection wellbore-formation coupled mass and heat transfer model and its application[D].Beijing:China University of Petroleum(Beijing),2016.
Options
Outlines

/

〈 〉