Wellbore Hydraulics Optimizer
Optimize wellbore hydraulics, ECD, and pressure profiles for safe drilling operations
What You Can Do
You can input well geometry, drilling fluid properties, and operational parameters to rapidly calculate equivalent circulating density (ECD), analyze pressure profiles, and identify hydraulic risks. Claude evaluates mud weight windows, predicts circulation losses, and recommends flow rate and fluid property adjustments to maintain wellbore stability while minimizing nonproductive time during complex well sections.
Features
Computes equivalent circulating density for trip procedures, connections, and static conditions across deviated and horizontal wellbores
Maps static and dynamic pressure gradients against pore pressure and fracture gradients to identify safe operational windows
Identifies high-risk formations based on pressure margins and recommends mud weight adjustments to prevent losses
Evaluates impact of pump rate changes on pressure response and ECD to balance hydraulic efficiency with wellbore stability
Analyzes rheology, density, and thermal effects on pressure profiles and recommends fluid modifications
Uses pressure analysis to suggest optimal casing setting depths with appropriate safety margins
Handles complex geometries including deviated and horizontal sections for accurate pressure and loss predictions
Generates hydraulics-optimized protocols for difficult well sections with historical loss patterns
Example Output
Example 1: ECD Calculation for Connection
Input: Well depth 3,500 m TVD, 15° deviated section, mud weight 1.42 sg, flow rate 350 gpm
Output:
- Static ECD at shoe: 1.48 sg
- ECD during circulation: 1.62 sg
- Margin to fracture gradient (1.75 sg): 0.13 sg ✓
- Recommended connection ECD limit: 1.58 sg
- Pressure at bit during circulation: 385 bar
Example 2: Loss Zone Risk Assessment
Input: Narrow pressure window (1.38–1.58 sg), formation with history of losses at 2,800 m
Output:
- Identified risk zone: 2,750–2,850 m
- Current mud weight safety margin: 0.04 sg below fracture gradient
- Recommended action: Reduce flow rate from 400 to 300 gpm to lower ECD by 0.08 sg and restore margin
- Alternative: Add viscosifier to improve cuttings transport without ECD increase
What's Included
- wellbore-hydraulics-optimizer SKILL.md: Core instruction file with workflow and hydraulic analysis framework
- ECD Calculation Template: Step-by-step worksheet for pressure gradient mapping and ECD computation across wellbore sections
- Pressure Profile Checklist: Systematic approach to validate pore pressure, fracture gradient, and operational limits
- Loss Prediction Worksheet: Method to identify high-risk formations and calculate safe mud weight windows
- Operational Hydraulics Reference: Quick-lookup tables for fluid properties, typical pressure margins, and adjustment strategies
Who It's For
- Drilling Engineers — Optimizing well plans and managing pressure during complex well sections
- Petroleum Engineers — Planning casing depths and mud weight windows with adequate safety margins
- Wells Planners — Designing high-angle and horizontal well hydraulics profiles before drilling
- Well Site Leaders — Troubleshooting circulation losses and pressure anomalies in real time
- Drilling Fluids Specialists — Evaluating fluid property changes and their impact on pressure dynamics
Best For
- Equivalent Circulating Density (ECD) calculations for trips, connections, and circulation scenarios
- Pressure profile analysis across static and dynamic wellbore conditions
- Circulation loss prediction and prevention strategy development
- Mud weight window optimization for narrow pressure regime wells
- High-angle and horizontal well hydraulics design and troubleshooting
You might also like
You can perform comprehensive wellbore hydraulics analysis by inputting well geometry, fluid properties, and operational parameters. Claude calculates pressure drops across open hole and cased hole sections, determines equivalent circulating density (ECD) for narrow margin windows, identifies flow regime transitions, and provides optimization recommendations that balance ROP, hole cleaning, and well control margins. This enables you to validate designs, troubleshoot pressure anomalies, and make data-driven adjustments to flow rates and drilling fluid specifications before issues impact operations.
by delphine-l
You can conduct systematic hazard identification across operational zones, quantify exposure severity using evidence-based risk matrices, and develop hierarchical control strategies with realistic implementation timelines. This skill helps you document defensible assessments that satisfy regulatory requirements (OSHA, API, IMCA) and support informed decision-making for health protection measures.
by delphine-l
You can analyze geochemical analytical data to characterize petroleum source rocks and quantify their hydrocarbon generation potential. This skill guides you through interpreting Rock-Eval pyrolysis parameters (S1, S2, S3, Tmax), assessing thermal maturity using vitrinite reflectance and Tmax correlations, classifying kerogen types (I-IV), calculating transformation ratios, and evaluating depositional environments to construct petroleum systems models and manage exploration risk.
by delphine-l
You can systematically interpret sedimentary facies from core descriptions, wireline logs, and outcrop data to build coherent paleoenvironmental models. This skill helps you classify lithofacies and ichnofacies, recognize recurring depositional patterns, correlate stratigraphic intervals across multiple wells, and predict reservoir quality and geometry based on depositional systems. You'll move beyond simple lithologic logging to derive interpretations that directly support exploration risking, play fairway mapping, and field development planning.
by delphine-l
You can systematically analyze formation pressure measurements, buildup/drawdown test data, and long-term monitoring records to diagnose underlying reservoir behavior. This skill helps you identify depletion trends, detect faulting or sealing boundaries, quantify aquifer support, track fluid contact movement, and reveal wellbore communication patterns—transforming raw pressure data into strategic guidance for drilling locations, completion design, and production operations.
by delphine-l
You can analyze pressure buildup and drawdown test data to identify flow regimes, apply type curve matching techniques to estimate reservoir properties, and conduct material balance studies to quantify original oil/gas in place (OOIP/OGIP). Claude helps you evaluate pressure support mechanisms, generate production forecasts under different depletion scenarios, and assess reserve uncertainty from pressure interpretation data.
by delphine-l
You can decompose seismic interpretation into discrete analysis phases—structural identification, stratigraphic correlation, fault characterization, seal integrity evaluation, and source-to-trap geometry validation. Claude generates ranked prospect summaries with explicit confidence levels tied to seismic data quality, regional analogs, and pressure regime consistency, giving you documented rationale for go/no-go decisions and resource allocation across exploration blocks.
by delphine-l
You can rapidly synthesize core descriptions, wireline log responses, grain size trends, and sedimentary structure patterns into reproducible facies assignments and paleoenvironmental interpretations. The skill eliminates manual narrative synthesis bias by guiding you through a structured framework that flags ambiguities, supports cross-well correlation, and generates stratigraphic context for play characterization and field development decisions.
by delphine-l