CRUXUpstream OS
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Methodology
Registry: previewQuality lift unmeasuredadvanced

Crux Upstream Engines

Which upstream engine branches can answer this decision, and what remains open? Trigger phrases: upstream engine chain, upstream engines, oil and gas engines, run the engine, deterministic deal math. Produces: receipt-backed branch-aware engine run with traceable outputs.

Harness Installation And Verification · Harness · v1

Measured quality evidence

Quality lift unmeasured

Registry maturity does not prove response or artifact quality. No qualifying same-model skill-on versus no-skill improvement has been verified.

Required comparison: same model with this skill enabled versus the same model without the skill.

Inputs and output

Required inputs

  • Deal ID
  • Source Documents

Optional inputs

  • Advance Rate Pdp
  • Advance Rate Pud
  • Annual Production Mmboe
  • Basin
  • B Factor
  • Cash USD
  • Consents Resolved
  • Counties
  • Deal Class
  • Deal Name
  • Di Annual
  • Discount Rate Pct
  • Exit Buyer Universe Count
  • Interest Expense USD
  • Max Pud Years To Produce
  • NRI
  • Ntm Ebitda USD
  • Opex USD Per BOE
  • Pdp Fraction Of NPV
  • Pdp PV-10 USD
  • Pdp Reserves Mmboe
  • Pud PV-10 USD
  • Pud Reserves Mmboe
  • Qi Boed
  • Realized USD Per BOE
  • Relies Primarily On Commodity Upside
  • Total Debt USD
  • Upstream Chain Markdown
  • WI NRI Reconciled
  • Years

Required source documents

  • Model
  • Price Deck
  • Reserve Report

Expected outputs

  • Upstream Engine Chain

Buyer-profile access

Policy visibility is not execution proof. Authentication is checked before a run.

Available

Read-only connection

The skill entry point is callable. Any downstream write or external action is checked separately.

Available

Partner workspace

The skill entry point is callable. Any downstream write or external action is checked separately.

External-action review

Review review applies before a consequential external or binding action. Analysis and working artifacts remain available before that review.

Review item

This is review guidance for a later external or binding action. Supported analysis and a working artifact remain available with the review item attached.

Applies before: external release

Input gaps and limits

Dependent input gaps

  • Pdp Fraction Of NPV is missing or unverified: The dependent calculation remains open. CRUX returns the other supported work and names the exact input needed.
  • Pdp PV-10 USD is missing or unverified: The dependent calculation remains open. CRUX returns the other supported work and names the exact input needed.
  • Qi Boed is missing or unverified: The dependent calculation remains open. CRUX returns the other supported work and names the exact input needed.
  • Pdp Reserves Mmboe is missing or unverified: The dependent calculation remains open. CRUX returns the other supported work and names the exact input needed.

Known limitations

  • Preview capability: useful but incomplete eval or SME coverage; human review required.
  • Use a narrower skill when the ask is a specific workstream with stronger domain methods; do not hide missing sources or specialist open items, and do not treat analysis as authorization for an external or binding action.

Relationships

Workflow-registry jobs

No workflow relationship is declared.

Use this skill

Sign in to use CRUX

Authentication and the required buyer profile are checked before any work runs.

Crux Upstream Engines · CRUX Catalog