... describes how to use the fluids and viscosity generated by the fluids to design a fracturing treatment. 1. Introduction 1.1. Water The water used for hydraulic fracturing is a critical component of the fluid. It must be carefully quality controlled as describe in the Quality Control Chapter. Typically...

... a simple analytical model. We showed that the injection rate and viscosity of fracturing fluid are the key parameters controlling the crossing/non-crossing interaction behavior, in addition to already known fracture interaction angle and in-situ stress parameters. We have also found that the pre-existing...

... ABSTRACT When fracturing, viscosity play a major role in providing sufficient fracture width to insure proppant entrance into the fracture, carrying the proppant from the wellbore to the fracture tip, generating a desired net pressure to control height growth and providing fluid loss control...

... by compressibility in the injection system during the well pressurization, and finally the ratio of the time-scale of transition from viscosity to toughness dominated propagation to the time-scale associated with compressibility effects. A fully coupled nu merical solver is presented, and validated against...

... the fracture interaction in a complex fracture model such as UFM. A new crossing model, called OpenT, taking into account the effect of flow rate and fluid viscosity on the hydraulic/natural fracture crossing behaviour is integrated in UFM simulator. The previous fracture crossing model is primarily based...

... ABSTRACT We benchmark a series of simulators against available reference solutions for propagating plane-strain and radial hydraulic fractures. In particular, we focus on the accuracy and convergence of the numerical solutions in the important practical case of viscosity dominated propagation...