Geol 342
Stereographic Projectionand
Borehole Failures
Fractures in Wells
FMI Tool (Formation Micro Imager)
Highly deformed intervalStrike: NNE – SSWDips: 30-50°
OPEN FRACTURES – DEPI #5834 (FAULT ZONE)
Strike: ENE – WNWDips: (high) NNW - SSE
DRILLING INDUCED FRACTURES – DEPI #5834
World Stress Map
Stereographic projection
StereonetNorth
090
180
270
Line of intersection