检索结果-南通市图书馆

Impact of clay stabilizer on the methane desorption kinetics and isotherms of Longmaxi Shale,China

Petroleum Science 2022年第1期19卷 234-244页

作者： Zhong-Hua Liu Jia-Chun Wang Bao-Jun Bai Yan-Ling Wang School of Petroleum Engineering China University of Petroleum(East China)Qingdao266580ShandongChina Exploration and Development Research Institute of Daqing Oilfield Co Ltd. Daqing163712HeilongjiangChina Geosciences and Geological and Petroleum Engineering Missouri University of Science and TechnologyRollaMO65409USA School of Petroleum and Natural Gas Engineering Chongqing University of Science and TechnologyChongqing401332China

Knowing methane desorption characteristics is essential to define the contribution of adsorbed gas to gas well *** evaluate the synthetic effect of a clay stabilizer solution on methane desorption kinetics and isotherms pertaining to Longmaxi shale,an experimental setup was designed based on the volumetric *** objective was to conduct experiments on methane adsorption and desorption kinetics and isotherms before and after clay stabilizer *** experimental data were a good fit for both the intraparticle diffusion model and the Freundlich isotherm *** analyzed the effect of the clay stabilizer on desorption kinetics and *** show that clay stabilizer can obviously improve the diffusion rate constant and reduce the methane adsorption ***,we analyzed the desorption efficiency before and after treatment as well as the adsorbed methane *** results show that a higher desorption efficiency after treatment can be observed when the pressure is higher than 6.84 ***,the adsorbed methane content before and after treatment all increase when the pressure decreases,and clay stabilizer can obviously promote the adsorbed methane to free gas when the pressure is lower than 19 *** can also be applied to the optimization formulation of slickwater and the design of gas well production.

关键词： Shale gas clay stabilizer Kinetics Isotherms Adsorption Desorption efficiency

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Evaluation and prevention of formation damage in offshore sandstone reservoirs in China

引用

Petroleum Science 2008年第4期5卷 340-347页

作者： Yang Shenglai Sheng Zhichao Liu Wenhui Song Zhixue Wu Ming Zhang Jianwei Key Laboratory of Petroleum Engineering Ministry of Education China University of Petroleum Beijing 102249 China Bohai Oil Research Institute CNOOC Tianjin 230045 China

Reduction in water injectivity would be harmful to the waterflood development of offshore sandstone oil reservoirs. In this paper the magnitude of formation damage during water injection was evaluated by analyzing the performance of water injection in the Bohai offshore oilfield, China. Two parameters, permeability reduction and rate of wellhead pressure rise, were proposed to evaluate the formation damage around injection wells. The pressure performance curve could be divided into three stages with different characteristics. Analysis of field data shows that formation damage caused by water injection was severe in some wells in the Bohai offshore oilfield, China. In the laboratory, the content of clay minerals in reservoir rock was analyzed and sensitivity tests （including sensitivity to water, ftow rate, alkali, salt and acid） were also conducted. Experimental results show that the reservoir had a strong to medium sensitivity to water （i.e. clay swelling） and a strong to medium sensitivity to flow rate, which may cause formation damage. For formation damage prevention, three injection schemes of clay stabilizer （CS） were studied, i.e. continuous injection of low concentration CS （CI）, slug injection of high concentration CS （SI）, and slug injection of high concentration CS followed by continuous injection of low concentration CS （SI-CI）. Core flooding experiments show that SI-CI is an effective scheme to prevent formation damage and is recommended for the sandstone oil reservoirs in the Bohai offshore oilfield during water injection.

关键词： Sandstone reservoir formation damage water injection clay stabilizer

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：