CEA_Frac_Pack_压裂充填优化解答.ppt

Frac-Pack Optimization;Or;$ 2.3 MM / rig;A Bit of History3 Dimensions – H/W/L;History3 Dimensions – H/W/L;2-D Models;History3 Dimensions – H/W/L;History3 Dimensions – H/W/L;Pseudo 3-D (P3D) Models;History3 Dimensions – H/W/L;History3 Dimensions – H/W/L;“Fully” 3-D Models;Fracture ModelingBasic Physics Pretty Simple;But The Targets GetMore More Difficult !;Modeling “Issues”(What Is a Pseudo-3D Model ?);Major Model “Issue” - GeometryFracture Width/Height Growth;P-3-D Models Solution Method;“Parametric” (Lumped) Models;All Models Assume Elasticity;All Models Assume ElasticityOK ?;Modeling “Issues”(What Is a Pseudo-3D Model ?);Warpinski (1985) field data ;Does A “Hydraulic Fracture”Even Form in Unconsolidated Media;Does A “Hydraulic Fracture”Even Form in Unconsolidated Media;Does A “Hydraulic Fracture”Even Form in Unconsolidated Media;Basic Physics – Net Pressure, PNet;Modeling “Issues”(What Is a Pseudo-3D Model ?);Major Model “Issue”Fracture Propagation – P3D Vs. 3D;Major Model “Issue”Fracture Propagation – P3D Vs. 3D;Consider Simple Frac-Pack CaseShale-Sand-Shale;Consider Simple Frac-Pack CaseShale-Sand-Shale;Modeling “Issues”(What Is a Pseudo-3D Model ?);Does A “Hydraulic Fracture”Even Form in Unconsolidated Media;Fluid Loss Behavior;Example 1Fluid Loss Propagation;Example 1History Matching Analysis;Example 1History Matching Analysis;Effect of fluid loss on fracture geometry;Effect of fluid loss on fracture geometry..(ctd.);Soil fracture profile for a low fluid leak off case (after Hocking, 1996);Effect of fluid loss on fracture geometry..(ctd.);What Must a Model Do ?;If We;Thank You !;The End;;;Modeling “Issues”(What Is a Pseudo-3D Model ?);Other Major Model “Issue”Fluid Flow / Proppant Transport;Model “Types”;Proppant Placement“Lumped” Models;Model “Types”;Proppant Placement“Cell Type” Models;