Engineering
What Cubic Spline Interpolation Does for Rod String Designs
How cubic spline interpolation and configurable step length improve side load and stress predictions in deviated wells compared to linear methods.
3 min read
Engineering|
How RodSim Handles High-Resolution Surveys and Variable Step Lengths
Most rod design tools cap at a few hundred calculation points. Deviated wells need thousands. How RodSim handles the data without forcing you to decimate.
More Engineering Articles
Deep technical content on rod lift design, simulation, and analysis
Engineering
What 100x Wellbore Resolution Actually Shows You
What 100x wellbore resolution means: more calculation points, sharper side load peaks, resolved stress concentrations, and actionable guide placement.
3 min read
Engineering
Why 50-Foot Step Lengths Miss Critical Failures in Deviated Wells
At 50-ft resolution, tight doglegs fall between calculation points. Side loads get averaged out, rod guides land in the wrong spots, and failures repeat.
3 min read
Engineering
Why Your Rod Pump Simulation Results Don't Match the Field
Rod pump simulations fail to match field data for fixable reasons - survey resolution, stale fluid properties, pump slippage, and uncalibrated friction.
3 min read
Engineering
When to Re-Evaluate Your Rod String Designs - The Triggers That Matter
Six real-world triggers that should prompt an immediate rod string design review, and how to respond quickly when conditions change.
3 min read
Engineering
Iterative Rod String Optimization Using Multi-Scenario Comparison
How the base case promotion workflow in multi-scenario comparison transforms rod string design from single-point evaluation into systematic optimization.
3 min read
Engineering
3D Wellbore Visualization for Rod String Design Decisions
How 3D wellbore visualization with interactive dogleg severity and loading overlays changes how engineers make rod guide and taper decisions.
3 min read
Engineering
Modeling Rod-on-Tubing Wear in High-Dogleg Wells
Where rod-on-tubing contact happens, why standard DLS thresholds miss it, and how simulation helps you place guides correctly.
3 min read
Engineering
Directional Survey Interpolation Methods and Their Effect on Stress Predictions
A technical comparison of minimum curvature, linear, and cubic spline interpolation methods for directional surveys in rod pump simulation.
3 min read
Engineering
Sinker Bar Selection in Deviated Wells - When and Why It Matters
When sinker bars help your rod string reach bottom in deviated wells, and when they create more problems than they solve.
3 min read
Engineering
How Rod String Design Decisions Play Out Over the Life of a Well
A rod string designed for commissioning day conditions will not be optimal two years later. Here is how to design for the full lifecycle.
3 min read
Engineering
Understanding Pump Cards: Surface vs Downhole Dynacards Explained
Educational comparison of card types. What each shows, limitations, and when to use which for diagnostics.
3 min read
Engineering
Dynamometer Card Interpretation Beyond Pattern Matching
A complete technical reference for dynamometer card analysis covering wave equation fundamentals, diagnostic patterns, and practical field workflows.
3 min read
Engineering
Why Step Length Matters in Rod Pump Simulation
A 50-foot step can miss the exact curvature that causes failures in deviated wells. Here is what the research says about getting it right.
3 min read
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