成都理工大学学报（自然科学版）2013，Vol.40Issue(1)：40-43,4.DOI:10.3969/j.issn.1671-9727.2013.01.006
考虑应力敏感时的煤层气压裂滤失量计算
Leak-off computation of hydraulic fracturing in coal-bed methane under considering stress sensitivity
摘要
Abstract
Because of the influencing factors, such as the existing of natural fractures, the stress sensitivity, the softness and frailty of the coal formation, the leak-off volume is great in the hydraulic fracturing of coal-bed methane and the usual Carter's calculating leak-off method has not been applicable. From the view that the pressure difference between fracture and formation affects severely the permeability and porosity of the coal formation, this paper provides a new mathematical model and the related calculation methods. Finally, one field case example is illustrated and compared with the Carter's method. It is concluded that the new method is more applicable for the field situations.关键词
煤层气/水力压裂/滤失模型/计算方法Key words
coal-bed methane/ hydraulic fracturing/ leak-off model/ computation method分类
能源科技引用本文复制引用
李亭,杨琦,牛建兵,杨波,冯文光..考虑应力敏感时的煤层气压裂滤失量计算[J].成都理工大学学报（自然科学版）,2013,40(1):40-43,4.基金项目
国家科技重大专项(2011ZX05060-002) （2011ZX05060-002）
