# equinor > Open-source publisher. Listings imported from github.com/equinor — credited to the original author with their license. - **Listings:** 50 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/equinor - **Website:** https://github.com/equinor ## Published listings - [Neqsim Energy Emissions Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-energy-emissions-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-energy-emissions-screening` Educational field-life energy and CO2-equivalent emissions roll-up that turns a year-by-year energy use into annual and total CO2e, a carbon intensity (kg CO2e/boe), and an optional CO2-tax cost. USE WHEN: a task needs a public, screening-level field-life emissions and carbon-intensity picture before detailed NeqSim combustion modelling or certified emission reporting. - [Neqsim Capex Opex Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-capex-opex-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-capex-opex-screening` Educational factored CAPEX/OPEX screening that turns a bare equipment cost into a total installed CAPEX (Lang/Hand-style installation factor + contingency), an annual OPEX, and a lifecycle total cost of ownership. USE WHEN: a task needs a public, screening-level CAPEX and OPEX magnitude before detailed NeqSim CostEstimationCalculator estimating or qualified cost-engineering review. - [Neqsim Pipe Wall Thickness Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-pipe-wall-thickness-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-pipe-wall-thickness-screening` Educational process-pipe wall-thickness screening using the public ASME B31.3 hoop-stress (Barlow style) equation. USE WHEN: a task needs a public, screening-level minimum wall-thickness estimate and a check against a nominal schedule wall before detailed piping or pipeline mechanical design. - [Neqsim Reciprocating Compressor Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-reciprocating-compressor-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-reciprocating-compressor-screening` Educational reciprocating-compressor screening using the public clearance volumetric-efficiency relation (API 618 / API 619 style). USE WHEN: a task needs a public, screening-level estimate of volumetric efficiency, actual inlet capacity, staging, discharge temperature, and rod-load utilisation for a reciprocating compressor before detailed selection. - [Neqsim Gas Turbine Performance Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-gas-turbine-performance-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-gas-turbine-performance-screening` Educational gas-turbine performance screening using open ISO 3977 / GL1029 style derate factors. USE WHEN: a task needs a public, screening-level estimate of site-rated shaft power, site heat rate, thermal efficiency, fuel heat input, exhaust mass flow, and exhaust temperature for a gas-turbine driver before detailed package selection. - [Sand Erosion Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-sand-erosion-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-sand-erosion-screening` A Claude skill from equinor/neqsim-community-skills. - [Neqsim Teg Dehydration Modeling](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-teg-dehydration-modeling) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-teg-dehydration-modeling` Build a validated, closed-loop TEG (triethylene glycol) gas dehydration plant in NeqSim, including absorber, flash drum, regeneration column, stripper, lean-TEG recycle, and still-vent emission classification. USE WHEN: a task needs a runnable NeqSim TEG dehydration flowsheet (water dew point, lean-TEG purity, NMVOC/methane/benzene still-vent emissions) rather than a screening-level water-content… - [Neqsim Artificial Lift Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-artificial-lift-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-artificial-lift-screening` Educational artificial-lift screening that compares a simple straight-line IPR natural deliverability against a target rate and screens gas lift and ESP feasibility from a required bottomhole-pressure reduction. USE WHEN: a task needs a public, screening-level recommendation of natural flow, gas lift, or ESP for a well before detailed inflow/outflow (nodal) analysis and lift design. - [Neqsim Fem Coupling](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-fem-coupling) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-fem-coupling` Link a NeqSim process simulation and engineering documents to a finite-element model of the solid: heat conduction through a layered wall, transient cooldown, species diffusion in porous rock, and the thermal and pressure stress that follow. Merges P&ID, STID, datasheet, insulation-specification and inspection inputs into a traceable design basis, converts a flashed NeqSim fluid into a film coeff… - [Neqsim Flow Induced Vibration Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-flow-induced-vibration-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-flow-induced-vibration-screening` Educational flow-induced vibration (FIV) screening using a public fluid kinetic-energy (rho v^2) likelihood-of-failure index. USE WHEN: a task needs a public, screening-level check of whether a main-line flow velocity and density produce a kinetic-energy level that warrants a detailed Energy Institute style FIV assessment before piping vibration design. - [Neqsim Compressor Antisurge Recycle](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-compressor-antisurge-recycle) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-compressor-antisurge-recycle` Set up anti-surge recycle control for a centrifugal compressor in NeqSim, including compressor-chart generation, steady-state AntiSurgeRecycleCalculator use, dynamic AntiSurgeController PI control, and CompressorAntiSurgeApplication topology binding for hot/cold recycle valves and speed runback. USE WHEN: a task needs to protect a NeqSim compressor from surge with a recycle (spill-back) loop and… - [Neqsim Fired Heater Duty Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-fired-heater-duty-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-fired-heater-duty-screening` Educational fired-heater duty and radiant-flux screening using public energy-balance relations (API 560 style). USE WHEN: a task needs a public, screening-level estimate of process duty, fired duty, fuel rate, and average radiant flux for a fired heater before detailed thermal design. - [Neqsim Line Velocity Check](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-line-velocity-check) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-line-velocity-check` Educational process line velocity screening against erosional velocity and recommended velocity guidelines. USE WHEN: a task needs a public, screening-level check that a pipe or line operates within erosional and recommended velocity limits before detailed line sizing. - [Neqsim Uncertainty Quantification](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-uncertainty-quantification) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-uncertainty-quantification` Monte Carlo uncertainty quantification, tornado sensitivity and global sensitivity analysis for NeqSim tasks. Supplies inverse-CDF marginals (uniform, triangular, normal, log-normal fitted from a stated P10/P90, deterministic), unit-hypercube samplers (seeded pseudo-random, Latin hypercube, Halton), a technical/economic model split that caches the expensive flowsheet stage so price and cost param… - [Neqsim Surf Cooldown Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-surf-cooldown-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-surf-cooldown-screening` Educational SURF flowline/riser cooldown and no-touch-time screening placeholder with public assumptions. USE WHEN: a task needs a quick, public estimate of how long an insulated subsea flowline stays above its hydrate formation temperature after shutdown, and should be directed to validated NeqSim methods for real cooldown and hydrate calculations. - [Neqsim Reliability Data Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-reliability-data-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-reliability-data-screening` Educational reliability and availability screening from an ISO 14224 / OREDA style failure rate and repair time, with simple parallel-redundancy and planned-downtime handling. USE WHEN: a task needs a public, screening-level estimate of MTBF, steady-state availability, mission reliability, and expected failures for an equipment item or a simple redundant system before detailed RAM analysis. - [Neqsim Reservoir Depletion Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-reservoir-depletion-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-reservoir-depletion-screening` Educational reservoir tank-depletion vs time screening with gas/oil and water-cut evolution. USE WHEN: a task needs a public, screening-level pressure-decline and production profile over time from a recoverable volume and offtake rate before detailed NeqSim SimpleReservoir or reservoir-engineering modelling. - [Neqsim Gas Scrubber Sizing Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-gas-scrubber-sizing-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-gas-scrubber-sizing-screening` Educational gas-scrubber sizing screening using the public Souders-Brown / K-factor relation for vertical separators with a mist-eliminator gas-load check. USE WHEN: a task needs a public, screening-level estimate of the Souders-Brown velocity, required vessel diameter, velocity utilisation, and mist-eliminator load for a vertical gas scrubber before detailed separator design. - [Design Basis Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-design-basis-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-design-basis-screening` A Claude skill from equinor/neqsim-community-skills. - [Neqsim Produced Water Scale Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-produced-water-scale-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-produced-water-scale-screening` Public produced-water brine builder and screening-level scale evaluation. USE WHEN: a task needs to turn an ion analysis, preset, or TDS value into a NeqSim-ready electrolyte ion mapping and a quick scale/mixing-incompatibility screening (BaSO4, SrSO4, CaSO4, CaCO3), and should be directed to validated NeqSim checkScalePotential methods for design-grade work. - [Neqsim Asset Value Npv Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-asset-value-npv-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-asset-value-npv-screening` Educational discounted-cash-flow (DCF) asset-value screening that builds a year-by-year net cash flow from revenue, OPEX, and a CAPEX schedule and returns NPV, IRR, and payback with a simple flat tax. USE WHEN: a task needs a public, screening-level NPV/IRR/payback before detailed NeqSim field-development economics or qualified commercial review. - [Control Valve Cv Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-control-valve-cv-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-control-valve-cv-screening` A Claude skill from equinor/neqsim-community-skills. - [Neqsim Document Intelligence Extraction](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-document-intelligence-extraction) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-document-intelligence-extraction` Classify mixed engineering documents and images, route native text/table, OCR, and vision extraction, and produce source-traceable evidence packages with confidence and human-review gates. USE WHEN: a NeqSim task receives PDFs, scans, Word/Excel files, drawings, charts, photographs, or multiple conflicting engineering sources. - [Neqsim Piping Flexibility Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-piping-flexibility-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-piping-flexibility-screening` Educational piping-flexibility screening using open ASME B31.3 / B16.5 style relations. USE WHEN: a task needs a public, screening-level check of hoop (sustained) stress, thermal expansion, displacement (expansion) stress range, and a flange-rating pressure check for a process pipe run before detailed pipe-stress analysis. - [Neqsim Noise Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-noise-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-noise-screening` Educational valve and line aerodynamic-noise indicator that estimates a screening sound-pressure level from gas mass flow, pressure drop, and density using a public IEC 60534-8 style energy approach. USE WHEN: a task needs a public, screening-level noise indicator and an action/high flag for a gas valve or restriction before detailed IEC 60534-8 noise prediction. - [Neqsim Co2 Emissions Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-co2-emissions-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-co2-emissions-screening` Educational combustion-CO2 emission screening that estimates the CO2 mass rate from a fuel-gas flow and composition using public per-component carbon-count stoichiometry and the IPCC basis. USE WHEN: a task needs a public, screening-level CO2 emission rate (kg/s or tonnes/day) from burning a fuel-gas stream before detailed combustion or emission-factor reporting. - [Neqsim Norwegian Continental Shelf Data](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-norwegian-continental-shelf-data) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-norwegian-continental-shelf-data` Public Norwegian Continental Shelf (NCS) reference-facts database, carbon-cost basis, decline-curve forecasting, and screening analysis. USE WHEN: a task needs offline, source-attributed NCS production, resource, field, carbon-cost/emission-abatement, or Arps decline-forecast facts (from norskpetroleum.no / Norwegian Offshore Directorate FactPages) to orient a production, resource-accounting, fie… - [Neqsim Economy Basis Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-economy-basis-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-economy-basis-screening` Educational economy-basis assembly and range-check screening for prices, discount rate, currency, inflation, and tax regime. USE WHEN: a task needs a public, screening-level economic assumptions basis with sanity flags before an asset-value (NPV) screening or detailed NeqSim field-economics modelling. - [Neqsim Separator Modelling](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-separator-modelling) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-separator-modelling` Educational separator screening indicators for gas load, residence time, and capacity warnings. USE WHEN: a task needs public separator capacity screening without proprietary design methods. - [Neqsim Multiphase Flow Slug Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-multiphase-flow-slug-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-multiphase-flow-slug-screening` Educational multiphase slug-flow regime and slug-catcher volume screening. USE WHEN: a task needs a public, screening-level indicator of whether a multiphase line is in an intermittent/slug regime and a first-pass slug-catcher volume estimate before validated multiphase flow analysis. - [Neqsim Dynamic Instrument Controller Setup](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-dynamic-instrument-controller-setup) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-dynamic-instrument-controller-setup` Set up measurement devices and PID-style controllers for NeqSim dynamic process simulations. USE WHEN: a task needs to add transmitters, controller devices, valve manipulation, setpoints, controller action, and autotuning workflow guidance before runTransient calculations. - [Neqsim Wax Margin Check](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-wax-margin-check) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-wax-margin-check` Educational wax operating-margin screening placeholder with public assumptions. USE WHEN: a task needs a quick check of whether an operating point keeps a safe temperature margin above a wax appearance temperature and should be directed to validated NeqSim methods for real calculations. - [Neqsim Acoustic Induced Vibration Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-acoustic-induced-vibration-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-acoustic-induced-vibration-screening` Educational acoustic-induced-vibration (AIV) screening using the public Energy Institute likelihood-of-failure form for gas pressure-reducing devices. USE WHEN: a task needs a public, screening-level estimate of sound power level, pipe diameter-to-thickness ratio, allowable sound power level, and an AIV likelihood-of-failure index for a control valve, relief valve, or restriction orifice before d… - [Neqsim Pump Hydraulics Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-pump-hydraulics-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-pump-hydraulics-screening` Educational centrifugal-pump hydraulics screening for hydraulic/shaft power, NPSH-available, and best-efficiency-point window using public pump relations and affinity laws. USE WHEN: a task needs a public, screening-level pump power, NPSH-available estimate, and BEP-window check before detailed pump selection. - [Neqsim Compressor Power Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-compressor-power-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-compressor-power-screening` Educational centrifugal-compressor power screening using the public polytropic-head equation (API 617 / API 619 style). USE WHEN: a task needs a public, screening-level estimate of polytropic head, discharge temperature, and gas power for a single compression stage before detailed compressor selection. - [Neqsim Resource Classification Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-resource-classification-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-resource-classification-screening` Educational petroleum resource classification screening using the public SPE-PRMS framework and the open Norwegian Petroleum Directorate resource-class scheme. USE WHEN: a task needs a public, screening-level mapping of a project maturity stage to a reserves, contingent-resources, or prospective-resources category before a formal resource estimate. - [Neqsim Reservoir Model Builder](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-reservoir-model-builder) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-reservoir-model-builder` Set up a screening-level reservoir model from whatever data exists, on a data-maturity ladder from a single public headline volume up to a full static-model parameter set, and refine it as data arrives. USE WHEN: a task needs a reservoir model for a field where only open data is available (for example an NCS field on public resource pages), needs volumetrics from area/net pay/porosity/Sw, needs h… - [Neqsim Compressor Operating Window Check](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-compressor-operating-window-check) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-compressor-operating-window-check` Educational compressor operating window screening against surge and stonewall margins. USE WHEN: a task needs a public, screening-level check that a centrifugal compressor operating point sits inside the surge and stonewall limits before detailed performance review. - [Neqsim Cfd Coupling](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-cfd-coupling) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-cfd-coupling` Link a NeqSim process simulation and engineering documents to a CFD study, single-phase or multiphase. Merges P&ID, STID, datasheet and plant-data inputs into a traceable design basis, converts a flashed NeqSim fluid into CFD boundary conditions, takes both phases and the interfacial tension from a multiphase flash and screens which multiphase model is defensible, writes and runs a complete OpenF… - [Neqsim Pressure Drop Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-pressure-drop-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-pressure-drop-screening` Educational single-phase line pressure-drop screening against a recommended pressure-gradient guideline. USE WHEN: a task needs a public, screening-level Darcy-Weisbach pressure-drop estimate and a check against NORSOK P-002 / GPSA style line pressure-gradient guidelines before detailed hydraulic design. - [Neqsim Two Phase Flow Regime Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-two-phase-flow-regime-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-two-phase-flow-regime-screening` Educational two-phase flow-regime screening that classifies a horizontal gas-liquid flow pattern from superficial velocities using a simplified public Mandhane-style map and flags slug risk. USE WHEN: a task needs a public, screening-level flow-regime flag (stratified, slug, annular, bubble) and slug-risk triage to pair with slug-flow and flow-induced-vibration work. - [Neqsim Olga Multiphase Simulator](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-olga-multiphase-simulator) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-olga-multiphase-simulator` Run the OLGA transient multiphase flow simulator from Python: locate the installation, generate its PVT table and hydrate equilibrium curve from a NeqSim fluid, validate a genkey case with a rule check, launch the batch engine with the right flags, decode the engine exit code, and read .tpl trend and .ppl profile results. USE WHEN: a task must execute an OLGA case, batch or sweep OLGA runs, build… - [Neqsim Water Dewpoint Dehydration Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-water-dewpoint-dehydration-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-water-dewpoint-dehydration-screening` Educational gas water-content and dehydration screening using the public GPSA Bukacek saturated-water-content correlation. USE WHEN: a task needs a public, screening-level estimate of saturated water content in natural gas and a check against a sales-gas water spec before detailed dehydration design. - [Neqsim Dry Gas Seal Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-dry-gas-seal-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-dry-gas-seal-screening` Educational dry gas seal supply and condensation screening for centrifugal compressors. USE WHEN: a task needs a public, screening-level estimate of seal-gas and separation-gas supply demand and a seal-gas condensation-margin check (cavity temperature versus hydrocarbon dew point) before detailed dry gas seal system design per API 692. - [Neqsim Hydrate Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-hydrate-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-hydrate-screening` Educational hydrate risk screening placeholder with public assumptions. USE WHEN: a task needs a quick hydrate risk triage and should be directed to validated NeqSim methods for real calculations. - [Neqsim Dynamic Process Preparation](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-dynamic-process-preparation) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-dynamic-process-preparation` Prepare NeqSim ProcessSystem and ProcessModel flowsheets for dynamic simulation, including equipment holdup, mechanical-design, and volume-readiness checks. USE WHEN: a task needs to convert a steady-state NeqSim process into a dynamic-ready model before runTransient calculations. - [Neqsim E300 Fluid Io](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-e300-fluid-io) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-e300-fluid-io` Read, write, and add water to Eclipse E300 fluid files for NeqSim. USE WHEN: a task needs to load an E300 file into a NeqSim fluid, write a NeqSim fluid to E300, or add water to a fluid or E300 file with the public PVTsim water parameters (volume shift 0.084004, parachor 10.0, kij 0.5). - [Neqsim Benchmark Reference Data](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-benchmark-reference-data) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-benchmark-reference-data` Turn the mandatory benchmark-validation step of a NeqSim task into a reproducible, source-traceable comparison. Supplies a registry of independent reference sources with authority tiers, validated ranges and stated uncertainties (IAPWS-95, IAPWS-IF97, Span-Wagner CO2, Setzmann-Wagner methane, Span nitrogen, Bucker-Wagner ethane, Lemmon propane, GERG-2008, CoolProp HEOS, NIST WebBook), an offline… - [Neqsim Utility Balance Screening](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-utility-balance-screening) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-utility-balance-screening` Educational utility-balance screening for instrument air demand, fuel gas Wobbe index, and cooling water duty/flow with a simple capacity margin roll-up (NORSOK U-001 / ISA-7.0.01 style). USE WHEN: a task needs a public, screening-level estimate of instrument air demand, cooling water flow, fuel gas Wobbe index compliance, and utility capacity utilisation before detailed utility-system design. - [Hydrate Margin Check](https://agentstack.voostack.com/l/skill-equinor-neqsim-community-skills-hydrate-margin-check) — Skill · Free · security-reviewed — `agentstack add skill-equinor-neqsim-community-skills-hydrate-margin-check` A Claude skill from equinor/neqsim-community-skills. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.