Abaqus For Oil Gas Geomechanics Dassault Syst Mes Official
The original design (one well that Marcus had insisted on drilling before the simulation finished) had already sanded up twice. Its gravel pack had failed.
“Elena, I have a drillship on a day rate of $450,000. If you tell me to stop, I lose three million before breakfast. If you’re wrong and the well collapses…” He didn’t finish the sentence.
“It’s that or a junked wellhead and a $200 million relief well.” Six months later, Elena stood in Dassault Systèmes’ Simulation as a Service control room outside Paris. On the wall screen: live SCADA data from the Blacktip field.
Then she showed the of plastic flow. It pointed straight into the wellbore. Abaqus For Oil Gas Geomechanics Dassault Syst Mes
Her screen glowed with the platform. Inside it, an Abaqus finite element model of the Blacktip Field —a deepwater reservoir 200 km off the coast of Guyana—was bleeding red.
Elena split her screen: left side, the interface; right side, live downhole pressure data.
She pulled up the from Abaqus/Viewer: Mean effective stress vs. deviatoric stress . The stress path had crossed the yield surface at step 42—three days into production. The original design (one well that Marcus had
“Two-stage gravel pack. But you have to re-perforate 300 feet uphole, where the minimum horizontal stress is higher. And you need to reduce drawdown from 2,500 psi to 1,200 psi for the first six months.”
The heel was deep crimson. “Marcus, you have a localized shear band forming at the perforation tunnel. It’s not a casing failure—it’s a sand production event waiting to happen. Within 90 days, you’ll produce 20% sand by volume. The surface equipment will erode.”
When a deep-water reservoir’s geomechanical model fails on the eve of a billion-dollar well completion, a veteran simulation engineer must use Abaqus to predict the unpredictable—before the seabed swallows the rig. Part 1: The Silent Shift Elena Moroz had been a geomechanics specialist for fifteen years. She had seen casing collapses in the North Sea and sand production in the Middle East. But nothing prepared her for the silent alarm at 2:00 AM. If you tell me to stop, I lose
Location: Permian Basin, West Texas & Dassault Systèmes HQ, Vélizy-Villacoublay, France
Elena loaded the material test data into . The built-in Drucker-Prager cap model for frictional materials was her first choice. But the oil-based mud filtrate had altered the clay content. She needed a modified Cam-clay with strain softening.