C-FER Technologies: Abaqus FEA for Unconventional Oil Well Design

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C-FER Technologies: Abaqus FEA for Unconventional Oil Well Design

Case study showing how C-FER used Abaqus FEA to simulate thermal-mechanical loads, cement integrity, and casing connection fatigue in unconventional oil wells.

Published

June 4, 2026

Read time

3 min read

Source

C-FER Technologies applied Abaqus finite element analysis to evaluate wellbore performance under high-temperature and high-pressure conditions typical of SAGD, CSS, and Arctic reservoirs. The work covers coupled thermal-mechanical modeling of casing, cement, and formation interactions, strain-based design methods, and optimization of slotted liner patterns. Results informed heating rate guidelines to reduce cement cracking and quantified connection fatigue life under cyclic loading and formation shear.

Key takeaways

Abaqus enabled coupled thermal-mechanical simulation of casing, cement, and formation response in unconventional wells.

Heating rates above 0.6 C per minute increased risk of radial cement cracking at 220 C operating temperature.

Premium casing connections showed reduced fatigue life under combined rotation during cementing and thermal cycles.

Staggered and gang slot patterns maintained structural integrity at 3 percent or lower open flow area; overlapping slots failed under thermal compression.

Strain-based design supported by FEA reduced reliance on costly full-scale physical qualification testing.

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