水力压裂试验场 2 (HFTS-2) 是二叠纪特拉华盆地的一个大型合作现场研究和开发项目，由美国能源部通过国家能源技术实验室和勘探和生产行业在学术界的支持下资助。该项目的主要目标是通过使用先进的诊断和收集贯穿裂缝的岩心来提高对水力压裂过程的理解，以提供无可争议的证据和所形成裂缝的属性。
HFTS-2 项目提供了解决叠加产层资源优化开发的机会，该资源需要跨多个地质层位同时钻探和完井数万口井，也称为立方体开发。
该项目由一系列耦合分析和现场实验组成，其中通过水力压裂井及其附近的全套仪器在专用研究井中获取研究质量数据。此外，独特的场地设计提供了了解储层枯竭影响的机会，因为许多子井阶段与母井区域重叠。整合获得的大量数据集并用于校准地下模型并表征裂缝几何形状和支撑剂分布。
The Hydraulic Fracturing Test Site 2 (HFTS-2) is a large collaborative field-based research and development program in the Permian Delaware Basin funded by the US Department of Energy through the National Energy Technology Laboratory and the exploration and production industry with support from academia. The project’s main objective is to improve the understanding of the hydraulic fracturing process through use of advanced diagnostics and collection of through-fracture cores to provide undisputable evidence and attributes of created fractures.
The HFTS-2 project provides the opportunity to address the optimal development of a stacked pay resource that requires simultaneous drilling and completion of tens of thousands of wells across multiple geologic horizons, also known as cube development.
The project consists of a series of coupled analytic and field experiments in which research-quality data are acquired in dedicated research wells through full instrumentation at, and in proximity to, hydraulically fractured wells. Furthermore, the unique site design provides an opportunity to understand the effect of reservoir depletion because many child-well stages overlap parent-well areas. The extensive data set acquired was integrated and used to calibrate subsurface models and characterize fracture geometry and proppant distribution.
