Volume 46 Issue 4
Aug.  2018
Turn off MathJax
Article Contents
Abstract
References
Related Articles
QIAO Lei, HAN Jinliang, SHI Jun, FU Li, LI Tianxing, FU Pan. Optimum design and application of directional coalbed methane wells with small curvature radius in Weibei area, eastern Ordos basin[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(4): 191-196. DOI: 10.3969/j.issn.1001-1986.2018.04.031
Citation: QIAO Lei, HAN Jinliang, SHI Jun, FU Li, LI Tianxing, FU Pan. Optimum design and application of directional coalbed methane wells with small curvature radius in Weibei area, eastern Ordos basin[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(4): 191-196. DOI: 10.3969/j.issn.1001-1986.2018.04.031
shu

Optimum design and application of directional coalbed methane wells with small curvature radius in Weibei area, eastern Ordos basin

  • 1. Research Institute of Drilling Engineering, CNPC, Beijing 102206, China;

  • 2. Petrochina Coalbed Methane Company, Beijing 100028, China

Funds: 

National Science and Technology Major Project(2016ZX05022-004)

More Information
  • Received Date: October 14, 2017
  • Published Date: August 24, 2018
    Graphical Abstract
    • Abstract
  • The traditional directional wells in Weibei area, eastern Ordos gas field are faced with the technical bottleneck of eccentric wear of sucker rod, poor effect of fracturing reconstruction and low production of single well. Through in-depth analysis and evaluation on the characteristics of coal geology of the area, small radius directional well drilling scheme suitable for Weibei coal seam gas wells transformation was put forward. Considering the special conditions of CBM wells such as drainage and gas recovery, the optimal design model of small radius directional well trajectory was established, and the optimization of directional drilling tools was also carried out. The results show that through the integrated application of staged fracturing technique, directional wells with small curvature radius could use seams 3, 5 and 11 vertically, an effective pressure fracture network could be formed in the main coal seam 11 horizontally, controlled area of single well increased by 37.76% and gas production increased by 25% compared to conventional directional wells; From the point of view of CBM drainage technology, submergence depth could meet the requirements of normal discharge operation of conventional rod pump if the wellhead produced stable casing pressure of 1.5 MPa; The optimal slope of small curvature radius directional well was 11.5°/30 m, and it is necessary to configure directional drilling with single curve screw drill assembly of 1.55 degree or more, and the 139.7 mm casing can be tripped in smoothly.
    • FullText(HTML)
    • References (12)
  • [1]
    李培佳,冯志明,李红,等. 浅层丛式井钻井工艺[J]. 钻采工艺,2004,27(2):98-99.

    LI Peijia,FENG Zhiming,LI Hong,et al. Drilling technology of shallow cluster wells[J]. Drilling & Production Technology, 2004,27(2):98-99.
    [2]
    毛志新. 保德区块煤层气丛式井快速钻井技术研究[J]. 探矿工程(岩土钻掘工程),2012,39(2):12-14.

    MAO Zhixin. Research on rapid drilling technology of coalbed methane conglomerate in Baode block[J]. Exploration Engineering(Rock and Soil Drilling and Tunneling),2012,39(2):12-14.
    [3]
    王西民. 煤层气丛式井钻进工艺[J]. 煤炭技术,2009,28(2):130-131.

    WANG Ximin. Drilling technology of CBM cluster wells[J]. Coal Technology,2009,28(2):130-131.
    [4]
    乔磊,申瑞臣,黄洪春,等. 沁水盆地南部低成本煤层气钻井完井技术[J]. 石油勘探与开发,2008,35(4):482-486.

    QIAO Lei,SHEN Ruichen,HUANG Hongchun,et al. Research on low-cost CBM drilling and completion technology in southern Qinshui basin[J]. Petroleum Exploration and Development, 2008,35(4):482-486.
    [5]
    邓钧耀,张毅,纪元,等. 鄂尔多斯盆地东缘煤层气钻井实践与认识[J]. 煤田地质与勘探,2017,45(2):157-162.

    DENG Junyao,ZHANG Yi,JI Yuan,et al. Practice and understanding of CBM drilling in the eastern margin of Ordos basin[J]. Coal Geology & Exploration,2017,45(2):157-162.
    [6]
    邱勇凯. 渭北地区煤层气储层物性特征及控制机理[D]. 北京:中国地质大学(北京),2015.
    [7]
    薛光武,刘鸿福,要惠芳,等. 渭北盆地韩城开发区煤层气储层特征分析[J]. 太原理工大学学报,2012,43(2):185-189.

    XUE Guangwu,LIU Hongfu,YAO Huifang,et al. Characteristics of CBM reservoirs in Hancheng development zone, Weibei basin[J]. Journal of Taiyuan University of Technology, 2012,43(2):185-189.
    [8]
    饶孟余,江舒华. 煤层气井排采技术分析[J]. 中国煤层气, 2010,7(1):22-25.

    RAO Mengyu,JIANG Shuhua. Analysis of coalbed methane well extraction technology[J]. China Coalbed Methane,2010, 7(1):22-25.
    [9]
    张胜杰,汪旭伟. 利用修正的三点定圆法计算单弯螺杆造斜率及其应用[J]. 内蒙古石油化工,2015,41(1):35-36.

    ZHANG Shengjie,WANG Xuwei. Calculation of draft-making rate of single-bend screw and its application by modified three-point fixed circle method[J]. Inner Mongolia Petrochemical Industry,2015,41(1):35-36.
    [10]
    刘修善. 导向钻具几何造斜率的实用计算方法[J]. 天然气工业,2005,25(11):50-52.

    LIU Xiushan. Practical calculation method of geometrical production slope of guided drill[J]. Journal of Gas Industries,2005, 25(11):50-52.
    [11]
    冯东海. 水平井固井关键技术探讨及应用分析[J]. 西部探矿工程,2017,29(7):92-95.

    FENG Donghai. Discussion and application of key techniques for cementing of horizontal wells[J]. Journal of Western Exploration,2017,29(7):92-95.
    [12]
    杨决算,梁勇,高大勇,等. 鲁迈拉定向井钻井设计优化与应用[J]. 探矿工程(岩土钻掘工程),2016,43(11):32-35.

    YANG Juesuan,LIANG Yong,GAO Dayong,et al. Optimization and application of drilling design in the Rumaila directional wells[J]. Exploration Engineering(Rock & Soil Drilling and Tunneling),2016,43(11):32-35.
    • Related Articles

  • Related Articles

    [1]SUN Wenbin, TIAN Dianjin, MA Cheng, XUE Yanchao, YANG Can, ZHU Kaipeng. Deformations and seepage-induced erosion of fractured rocks in fault under confined settings[J]. COAL GEOLOGY & EXPLORATION, 2025, 53(1): 193-203. DOI: 10.12363/issn.1001-1986.24.05.0333
    [2]YAN Heping, LI Wenping, DUAN Zhonghui, YANG Yugui. Water inrush mechanism and water-conducting fractured zone’ developmental patterns of a typical ultra-thick coal seam in the Huanglong coalfield during fully mechanized mining[J]. COAL GEOLOGY & EXPLORATION, 2024, 52(5): 129-138. DOI: 10.12363/issn.1001-1986.23.08.0480
    [3]SA Zhanyou, WU Jingbo, YANG Yongliang, ZHANG Xin, LU Shouqing, LIU Jie, WANG Hao. CO2-ECBM simulation study considering Klinkenberg factor state[J]. COAL GEOLOGY & EXPLORATION, 2023, 51(3): 37-45. DOI: 10.12363/issn.1001-1986.22.09.0713
    [4]LI Quangui, DENG Yize, HU Qianting, ZHANG Yuebing, SONG Mingyang, LIU Jichuan, SHI Jialin. Mesoscopic law of stress and fracture evolution of coal seams hydraulic fracturing[J]. COAL GEOLOGY & EXPLORATION, 2022, 50(6): 32-40. DOI: 10.12363/issn.1001-1986.21.10.0603
    [5]HUO Bingjie, XIE Zhenhua, FAN Zhanglei, JING Xuedong. Simulation of seepage water inrush mechanism and strength controlling factors of collapse column[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(6): 84-91. DOI: 10.3969/j.issn.1001-1986.2019.06.014
    [6]LIU Jia, CHEN Jun, RUI Fuxin, NING Xue, WANG Jianguo. Numerical simulation for effect of discrete fracture network on shale gas productivity of horizontal well[J]. COAL GEOLOGY & EXPLORATION, 2017, 45(6): 66-71. DOI: 10.3969/j.issn.1001-1986.2017.06.011
    [7]WANG Luhe, ZHAO Chunxiao, JIANG Zhenquan, QIAN Ziwei, TANG Xin. Permeability characteristics of fractured rock based on digital image and numerical simulation[J]. COAL GEOLOGY & EXPLORATION, 2016, 44(1): 100-102. DOI: 10.3969/j.issn.1001-1986.2016.01.019
    [8]BAO Kai, LIU Qingyou, REN Wenxi. Wellbore stability analysis based on discrete element[J]. COAL GEOLOGY & EXPLORATION, 2015, 43(6): 137-140. DOI: 10.3969/j.issn.1001-1986.2015.06.029
    [9]LI Hongyan, WANG Weihua, LIANG Bing, SUN Weiji. Analysis on the permeability of coal measures by the use of borehole logging data[J]. COAL GEOLOGY & EXPLORATION, 2013, 41(4): 18-21. DOI: 10.3969/j.issn.1001-1986.2013.04.005
    [10]ZHENG Shu-yan, LI Zhan-bin, LI Fu-sheng. Study of No.2 landslide erosion in Tongwang highway by numerical simulation of elastic-plastic finite element[J]. COAL GEOLOGY & EXPLORATION, 2005, 33(4): 52-55.

  • Cited by

    Periodical cited type(3)

    1. 刘俊博，许巍，段威，胡宇博，李浩. 高温高压条件煤复电阻率频散特性实验研究. 当代化工. 2022(10): 2300-2306 .
    2. 唐纤，唐新功，向葵，童小龙. 基于Debye分解的岩石电性与孔渗参数关系探讨. 科学技术与工程. 2021(18): 7461-7466 .
    3. 孟慧，李健，雷东记，王亚娟. 煤体复电性频散响应实验研究. 煤田地质与勘探. 2020(04): 226-232 . 本站查看

    Other cited types(3)

Catalog

    Get Citation
    PDF
    XML

    Article Metrics

    Article views (82) PDF downloads (9) Cited by(6)
    Related

    Copyright of website design © Editorial Office of Coal Geology & Exploration 陕ICP备05001372号-6 陕公网安备 61019002002193号

    Address: Editorial Office of Coal Geology & Exploration, No.82 Jinye 1st Rd, High-Tech Zone, Xi'an City, Shaanxi, China

    Tel: 029-81778075 E-mail: ccrimtdzykt@vip.163.com

    Supported by: Beijing Renhe Information Technology Co., Ltd.  Baidu Analytics

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return