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首页> 外文会议>SPE Western North American and Rocky Mountain Joint Meeting >Production Comparison of Hydraulic Fracturing Fluids in the Bakken and Three Forks Formations of North Dakota
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Production Comparison of Hydraulic Fracturing Fluids in the Bakken and Three Forks Formations of North Dakota

机译：北达科他州液压压裂液中液压压裂液的生产比较

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There have been extensive efforts to recover oil from the Bakken formation in North Dakota since it was discovered in 1951. However,these efforts were not particularly profitable until the 2000s when horizontal drilling and large,multistage hydraulic fracturing treatment methods were used.The new drilling and completions methods created a substantial increase to production,which escalated throughout recent years and created a demand for better,more efficient completions.One major component of these completions is the base fluid used for hydraulic fracturing treatments.This paper compares hydraulic fracturing treatments of a new,residue-free(res-free)hydraulic fracturing fluid to all other fracturing fluid treatments. The res-free fluid system was presented in 2012 as a premier fracturing fluid and economic alternative to guar-based systems to increase the resultant fracture conductivity.Since 2012,more than 40 wells have been completed in either the Bakken or Three Forks formations of North Dakota using the res-free fracturing fluid.While initial cost savings were realized,the production results from these wells have not been extensively studied.This paper presents the findings of a study comparing production from wells treated with res-free fracturing fluid to wells treated with other hydraulic fracturing fluids. Because the wells completed using the res-free system are widespread throughout North Dakota and belong to several different operators,choosing a specific study area was challenging.To overcome this challenge,a spatial sampling technique was used.Spatial sampling is a method for comparing a large group of wells to their direct offsets.For this study,spatial sampling was applied to compare wells completed using the res-free system to wells completed using other fluids.To normalize general completion methods,only wells completed since the beginning of 2012 are included in this study.Offset wells for this study are those within a 1-mile radius from the center well.The production data for all wells was obtained from public sources.The proppant amount and total fluid volumes were normalized per foot of lateral to minimize variables.Other factors,such as drilling placement,type of proppant,type of fluid,or compartmentalization can affect production;however, these effects are not considered during this study.
机译：已经有大量的努力，从巴肯形成的北达科他州回收油，因为它是在1951年发现的。然而，这些努力并没有特别的利润，直到2000年代时，水平井钻井和大，多级水力压裂处理方法是新的，低脂钻和完井方法产生的大幅增加生产，从而加剧纵观近几年，创造了这些完井的更好，更有效completions.One主要成分的需求是用于水力压裂treatments.This纸基液比较一的水力压裂新，无残留物（RES-免费）水力压裂流体到所有其他压裂流体治疗。自由RES-流体体系在2012呈现为最大的压裂流体和经济的替代的基于瓜尔胶的系统来增加所得断裂conductivity.Since 2012，多于40个孔已在任一北的巴肯或三叉地层已经完成达科他使用免费的资源压裂fluid.While初始成本节余，从这些井生产的结果没有被广泛studied.This文件介绍了免费资源，压裂液处理，井井生产的比较研究处理结果与其他水力压裂液。由于该井使用免费的资源系统被广泛遍及北达科他州，属于几个不同的运营商，选择一个特定的研究区challenging.To克服这一挑战完成，空间采样技术是used.Spatial采样是用于比较的方法大井组到它们的直接offsets.For这项研究，空间采样应用比较井使用免费的资源系统，以井使用其他fluids.To正常化一般完井方式完成完成，只是因为2012年初完成井包括在此study.Offset孔用于该研究是那些从所有孔的中心well.The生产数据的1英里半径范围内从公共sources.The支撑剂量和总流体体积，得到每横向足以最小化变量归一化。其它的因素，如钻孔安置，支撑剂的类型，流体类型，或可以条块影响生产;然而，这些效果不考虑d uring这项研究。

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