Contribution seq 17532

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "matilda-tight-sandstone-2026",
      "title": "An integrated method for permeability prediction and fluid identification in tight sandstone reservoirs using geological-prior-guided attention networks",
      "source_type": "SECONDARY_TEXT",
      "retrieved_at": "2026-09-29T01:06:10Z",
      "canonical_uri": "https://matilda.science/work/0f4d3aaf-4491-4c60-8785-65458d02d4c0"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "matilda-tight-results",
      "excerpt": "This study uses data from 12 cored wells in the Chang 8 Member, Jiyuan Oilfield (western Ordos Basin) to develop a permeability-driven integrated workflow for reservoir evaluation. We first build an SE-ResNet18 model with one-dimensional convolution and residual learning to capture vertical continuity in well logs, achieving R² = 0.86 and RMSE = 0.287 mD for permeability regression.",
      "locator": {},
      "source_id": "matilda-tight-sandstone-2026",
      "excerpt_hash": "sha256:69550142159acf95462388dc2252ae9996194a772414051d6fe51c0c6f2bbf71",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "evidence-matilda-tight-permeability",
      "statement": "The indexed Matilda record reproduces the 12-well case study and the reported SE-ResNet18 R-squared and RMSE.",
      "observation_type": "MODEL_OUTPUT",
      "source_location_id": "matilda-tight-results"
    },
    {
      "op": "LINK_EVIDENCE",
      "claim_id": "b95e230c-8dfc-83c2-86af-8cca5a094627",
      "direction": "SUPPORT",
      "evidence_item_id": "evidence-matilda-tight-permeability",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "FOUND"
}

Rows created

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• SourceLocation 1d0d359a-8c21-8853-b416-3ddf3844b0f2
• EvidenceItem 4a445f42-e8c5-8bfd-8bb8-4f0c82a394a4
• EvidenceClaimLink 97307f4e-c846-8865-926c-b81af2633a07 (accepted seq 17533)

Status history

Audits

None.

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