equinor/neqsim-community-skills

A community-driven collection of reusable engineering skills for NeqSim and agentic engineering workflows.

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equinor/neqsim-community-skills

Skill Claude CodeCodex

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…

not rated 2 yesterday A 267 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

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).

not rated 2 yesterday A 95 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Public checks for fluid composition quality before NeqSim simulation. USE WHEN: a task needs mole fraction sum checks, negative fraction checks, required component checks, or water/CO2/H2S flags.

not rated 2 yesterday A 47 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Public plus-fraction (C7+) characterization by a controllable split factor: a Whitson three-parameter gamma molar split, a lumping split factor, delumping reconstruction, and the universal Paraffinic-Aromatic (P/A) heavy-lump split factor S (Uleberg 2026). USE WHEN: a task needs to divide a heavy end into…

not rated 2 yesterday A 144 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Public weighted multi-target regression of a split/characterization factor against measured PVT and separator data (saturation pressure, GOR, stock-tank-oil density, formation volume factor). USE WHEN: a task must calibrate one heavy-end characterization factor so a fluid model reproduces several measured…

not rated 2 yesterday A 93 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Public helpers to generate representative or synthetic fluid cases from a common reference fluid by adjusting a split/characterization factor, match that factor to measured PVT/separator data, blend well/fluid compositions into a field composition by molar-rate allocation, and — when there is NO PVT report and…

not rated 2 changed yesterday A 227 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational blowdown and depressurization screening with time-to-target and low-temperature flags. USE WHEN: a task needs a public, screening-level blowdown time indicator and auto-refrigeration low-temperature triage without proprietary blowdown design methods.

not rated 2 yesterday A 57 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational flare thermal-radiation screening using the public API 521 / API 537 point-source equation. USE WHEN: a task needs a public, screening-level estimate of radiant heat flux at a distance from a flare and a check against allowable radiation limits before detailed flare and radiation design.

not rated 2 yesterday A 67 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational Gaussian point-source gas-dispersion screening that estimates the downwind distance to a target concentration (LFL or toxic ppm) using the public Pasquill-Gifford / Briggs rural model. USE WHEN: a task needs a public, screening-level distance-to-LFL or distance-to-ppm estimate for a continuous gas release…

not rated 2 yesterday A 84 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational jet-fire thermal-radiation screening that estimates the radiative flux at a distance, or the distance to a target flux, using the public single-point-source flame radiation model. USE WHEN: a task needs a public, screening-level jet-fire radiation flux or a distance to a personnel/equipment thermal limit…

not rated 2 yesterday A 79 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational pressure-safety-valve orifice screening using the public API 520 Part I critical gas-flow equation. USE WHEN: a task needs a public, screening-level required PSV orifice area and a mapped API orifice letter before detailed relief-valve sizing and selection.

not rated 2 yesterday A 64 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational fire-case relief load screening indicators for pressure relief devices. USE WHEN: a task needs public, screening-level fire-case relief load estimates and capacity flags without proprietary relief design methods.

not rated 2 yesterday A 44 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational process safety-function coverage screening using the public API RP 14C / ISO 10418 SAFE-chart concept. USE WHEN: a task needs a public, screening-level check of whether a process component has the typically required protective functions (PSH, PSL, PSV, LSH, LSL, etc.) before a formal SAFE-chart and safety…

not rated 2 yesterday A 82 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational vacuum-collapse (implosion) screening for a blocked-in vessel that cools down, with vacuum-depth and external-rating flags. USE WHEN: a task needs a public, screening-level check of whether a closed vessel cooldown or steam/vapour condensation can pull a vacuum below the external pressure rating, without…

not rated 2 yesterday A 76 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational bathymetry profile screening from supplied soundings. USE WHEN: a task needs public, screening-level seabed depth interpolation along a route, slope screening, and steep-section flags from sounding points before detailed free-span and on-bottom-stability design.

not rated 2 yesterday A 60 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational subsea field-layout import and normalization from supplied GeoJSON or tabular rows. USE WHEN: a task needs to turn an already-parsed subsea map (GeoJSON point features or CSV-like rows) into a clean, validated node list of wells, manifolds, and a host before geometry and routing screening.

not rated 2 yesterday A 70 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational pipe-route length and elevation-profile screening from supplied waypoints. USE WHEN: a task needs a public, screening-level flowline or riser route length, segment list, and seabed elevation profile from a subsea map before detailed pressure-drop and flow assurance design.

not rated 2 yesterday A 61 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational as-built pipeline survey processing that turns raw survey rows (KP, depth to top of pipe, seabed depth, easting/northing or latitude/longitude) into a cleaned, sign-normalised, resolution-filtered pipeline profile with flagged erroneous points, free-span and cover/burial candidates, a repeat-survey change…

not rated 2 yesterday A 156 tokens copy · 95% Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational production-network routing screening that routes wells through manifolds and flowlines/risers to a host and rolls up an arrival pressure, and screens multiwell flow regulated by a facility inlet/separator pressure. USE WHEN: a task needs a public, screening-level inflow rate per well, aggregated manifold…

not rated 2 yesterday A 107 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational subsea tie-back step-out and arrival-pressure screening with optional hydrate-margin input. USE WHEN: a task needs a public, screening-level check of whether a tie-back step-out distance and arrival pressure stay within simple guidelines before detailed flow-assurance and hydraulic design.

not rated 2 yesterday A 60 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Educational subsea field-layout geometry screening from supplied coordinates. USE WHEN: a task needs public, screening-level step-out distances, tie-back lengths, a node-to-node distance matrix, or a schematic plan-view illustration for wells, manifolds, templates, and a host from a subsea map before detailed routing…

not rated 2 yesterday A 73 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Design a screening subsea (SURF) field layout and place the host from open map, bathymetry and licence-block data: group wells into drill centres, place Xmas trees, templates, manifolds, PLEMs and riser bases, position an FPSO or fixed host, route and size every production, injection, service, umbilical and riser…

not rated 2 changed 7d ago A 220 tokens original Apache-2.0

equinor/neqsim-community-skills

Skill Claude CodeCodex

Derive what the rock will give and take, and hand it to NeqSim: productivity and injectivity indices, their evolution as saturation fronts develop, and the SCAL basis behind them. Standardises on OPM Flow as the reservoir simulator, pyscal for relative permeability and resdata for output, and covers converting a…

not rated 2 changed 7d ago C 217 tokens original Apache-2.0

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