... fluids and materials flow in porous media production monitoring completion equipment fracturing fluid conductivity exhibition gulf packer drilling fluid chemistry technology conference screenout mexico drilling fluid property drilling fluid selection and formulation production control...

.... Influence of electrostatics on screenout Abstract A growing number of hydraulic fracturing stimulation treatments rely solely on the deployment of 100-mesh (i.e. 150μm) proppant. Further, these may be preceded by post-pad injection of microparticles (i.e. 5-75μm) with the intent of activating natural...

... is pumped to determine the formation closure pressure, fluid efficiency, and friction pressure losses. The treatment is redesigned and the fracture job is pumped. It should be noted that due to the use of the channel fracture technique, there has been no premature screenout throughout the fracture campaign...

... make the interpretation of "net pressure" on each fracture face difficult to comprehend or express. But this is a discussion for another time. Erroneous "Tip Screenout" Models Conventional hydraulic fracture modeling theory and design practice assumes that rising fracture treating pressure...

... into the dynamics of fluid and proppant distribution between clusters. However, although it was possible with DAS to detect general flow behaviors during treatment, for instance early screenout of toe clusters contributing to the final heel-biased distribution of proppant, quantitative interpretation DAS data...

... the proppant concentrations throughout the wellbore and associated perforation clusters. Unanticipated alterations of the proppant concentration within the wellbore can lead to early screenouts. Gaining a better understanding of the proppant distribution and concentration inside the wellbore can lead...

... Screenouts occur when the accumulation of proppants near the wellbore causes a restriction to fluid flow. In general, screenouts can be detected in the surface treating pressure data with a rapid pressure rise. To effectively study the fracture growth which could be used to predict screenouts...

... fluid transfers and crew fatigue. The geological complexities of the reservoir were another major challenge in completing this very thick interval. Perforation intervals had to be placed to avoid a fault (and thus a potential early screenout), avoid a water contact, comply with tool spacing limitations...

... Table 1 PPF & Non-PPF Treatments from 2004-2006 PPF Non-PPF # Wells 30 36 # Fracs 149 61 % Placement 85% 84% Avg Fluid (gals) 39964 45208 Avg Proppant (lbs) 48595 64449 % Screenouts 45% 38% Avg Gross Ht (ft) 29.8 73.4 NWBPL (psi) 1291 1013...

... fracturing treatments performed each year. One of the issues that has become obvious over the past two years is the limited understanding of the importance of using well and reservoir data as major factors in the selection of perforating programs to prevent premature screenouts. In recent years, several...