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In view of the productivity difference in CBM wells with different water production levels in Xinjiang, this work conducted statistical analysis and numerical simulation to divide the CBM wells into three types, i. e., low water-producing, medium water-producing and high water-producing CBM wells. Those wells with an average daily water production of < 5 m3 for 500 days were classified as low water-producing wells. This type of wells has a moderate pressure drop (the pressure drop of the well CS18 is 51.56%), a limited range of pressure degradation and absorption, and the gas supply area is small. The CBM wells with an average daily water production of 5~10 m3 are divided into medium water-producing wells. These wells have a moderate pressure drop (the pressure drop of the well BCS-22 is 53.67%), and rarely encounter the situation that the water production is too large to be desorbed by long-term drainage. CBM wells with an average daily water production of more than 10 m3 are classified as high-yield wells. The pressure drop of such wells is small (the pressure drop of wells T1-6 is 30.42%), and the drainage and pressure reduction are difficult. Further suggestions were put forward for the CDM wells, including "reasonable water control and appropriate pressure holding" for low water-producing wells, "continuous production and stable water and pressure" for medium water-producing wells, and "daily decrease in low casing pressure and high flow pressure" for high water-producing wells. This study can provide a basis for the long-term and efficient development of CBM wells with different water production levels in Xinjiang., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=20250216.pdf, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1256260906435097388, articleId=1256260905566876458, tenantId=1146029695717560320, journalId=1256213323050663944, language=CN, title=新疆地区不同产水程度煤层气井排采动态与产能特征, columnId=1256260904929321719, journalTitle=地质与勘探, columnName=水文•工程•环境, runingTitle=null, highlight=null, articleAbstract=水文地质条件对煤层气的富集和产出具有重要影响。针对新疆地区不同产水程度煤层 气井产能差异的问题，利用统计分析和数值模拟等手段，将煤层气井划分为低产水煤层气井、中产水 煤层气井和高产水煤层气井三类。将累计排采500天、平均日产水量低于5 m3 的煤层气井，划分为低 产水煤层气井。该类井压力下降幅度适中 （CS18井压力下降幅度51.56%），压降解吸范围受限，供气 面积小。将平均日产水量介于 5~10 m3 的煤层气井划分为中产水煤层气井，该类井压力下降幅度适中 （BCS-22井压力下降幅度53.67%），少见产水量过大需要长期排水无法解吸的情况。将平均日产水量 高于 10 m3的煤层气井划分为高产水煤层气井，该类井压力下降幅度较小 （T1-6 井压力下降幅度 30.42%），排水降压困难。进一步提出了低产水煤层气井“合理控水、适当憋压”、中产水煤层气井 “连续排采、稳水稳压”和高产水煤层气井“低套压、高流压日降幅”的排采建议。该研究可为新疆 不同产水程度煤层气井长期高效开发提供依据。, authors=陈文圆1 , 葛燕燕1 , 孔庆虎2 , 杨曙光3 , 李 鑫1 , 张 娜3 , 韦 波4 , 王 刚3 , 王兴刚5 , 苏红梅6 , authorsList=陈文圆, 葛燕燕, 孔庆虎, 杨曙光, 李鑫, 张娜, 韦波, 王刚, 王兴刚, 苏红梅, authorCompany=1 新疆大学，新疆中亚造山带大陆动力学与成矿预测自治区重点实验室，新疆乌鲁木齐 830017;
地质与勘探
|水文•工程•环境
2025
, 61
(2) :
407
-419
新疆地区不同产水程度煤层气井排采动态与产能特征
全屏
陈文圆1 , 葛燕燕1 , 孔庆虎2 , 杨曙光3 , 李 鑫1 , 张 娜3 , 韦 波4 , 王 刚3 , 王兴刚5 , 苏红梅6
作者信息
1 新疆大学，新疆中亚造山带大陆动力学与成矿预测自治区重点实验室，新疆乌鲁木齐 830017;
通讯作者:
李 鑫（1990年-），男，2018年毕业于中国矿业大学，地质资源与地质工程专业，获博士学位，教授，博士生导师，主要从事非 常规油气勘探开发研究工作。E-mail：lixinwaxj@xju.edu.cn。
作者简介:
陈文圆（1999年-），女，2021年毕业于郑州工商学院，宝石及材料工艺学专业，获学士学位，在读硕士研究生，主要从事非常规 油气勘探开发。E-mail：chenwenyuan0614@163.com。
Drainage performance and productivity characteristics of coalbed methane wells with different water production levels in Xinjiang
Affiliations
doi: 10.12134/j.dzykt.2025.02.016
文章导航
水文地质条件对煤层气的富集和产出具有重要影响。针对新疆地区不同产水程度煤层 气井产能差异的问题，利用统计分析和数值模拟等手段，将煤层气井划分为低产水煤层气井、中产水 煤层气井和高产水煤层气井三类。将累计排采500天、平均日产水量低于5 m3 的煤层气井，划分为低 产水煤层气井。该类井压力下降幅度适中 （CS18井压力下降幅度51.56%），压降解吸范围受限，供气 面积小。将平均日产水量介于 5~10 m3 的煤层气井划分为中产水煤层气井，该类井压力下降幅度适中 （BCS-22井压力下降幅度53.67%），少见产水量过大需要长期排水无法解吸的情况。将平均日产水量 高于 10 m3的煤层气井划分为高产水煤层气井，该类井压力下降幅度较小 （T1-6 井压力下降幅度 30.42%），排水降压困难。进一步提出了低产水煤层气井“合理控水、适当憋压”、中产水煤层气井 “连续排采、稳水稳压”和高产水煤层气井“低套压、高流压日降幅”的排采建议。该研究可为新疆 不同产水程度煤层气井长期高效开发提供依据。
煤层气
/
储层排采
/
产水量
/
井底流压
/
排采制度
/
新疆
Hydrogeology exerts a major effect on the enrichment and productivity of coalbed methane (CBM). In view of the productivity difference in CBM wells with different water production levels in Xinjiang, this work conducted statistical analysis and numerical simulation to divide the CBM wells into three types, i. e., low water-producing, medium water-producing and high water-producing CBM wells. Those wells with an average daily water production of < 5 m3 for 500 days were classified as low water-producing wells. This type of wells has a moderate pressure drop (the pressure drop of the well CS18 is 51.56%), a limited range of pressure degradation and absorption, and the gas supply area is small. The CBM wells with an average daily water production of 5~10 m3 are divided into medium water-producing wells. These wells have a moderate pressure drop (the pressure drop of the well BCS-22 is 53.67%), and rarely encounter the situation that the water production is too large to be desorbed by long-term drainage. CBM wells with an average daily water production of more than 10 m3 are classified as high-yield wells. The pressure drop of such wells is small (the pressure drop of wells T1-6 is 30.42%), and the drainage and pressure reduction are difficult. Further suggestions were put forward for the CDM wells, including "reasonable water control and appropriate pressure holding" for low water-producing wells, "continuous production and stable water and pressure" for medium water-producing wells, and "daily decrease in low casing pressure and high flow pressure" for high water-producing wells. This study can provide a basis for the long-term and efficient development of CBM wells with different water production levels in Xinjiang.
（4）coalbed methane
/
reservoir drainage
/
water production
/
bottomhole flow pressure
/
drainage system
/
Xinjinag
陈文圆, 葛燕燕, 孔庆虎, 杨曙光, 李鑫, 张娜, 韦波, 王刚, 王兴刚, 苏红梅.
新疆地区不同产水程度煤层气井排采动态与产能特征.
地质与勘探,
2025
, 61
(2)
: 407
-419
.
DOI: 10.12134/j.dzykt.2025.02.016
.
Drainage performance and productivity characteristics of coalbed methane wells with different water production levels in Xinjiang[J].
Geology and Exploration ,
2025
, 61
(2)
: 407
-419
.
DOI: 10.12134/j.dzykt.2025.02.016
参考文献
引证文献
陈跃,马东民,方世跃,郭晨,杨甫,侯东壮.2019.构造和水文地质条件耦合作用下煤层气富集高产模式[J].西安科技大学学报,39(4):644-655.
2025年第61卷第2期
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doi: 10.12134/j.dzykt.2025.02.016
https://castjournals.cast.org.cn/joweb/dzykt/CN/10.12134/j.dzykt.2025.02.016
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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