---
title: "SOUTHWEST OIL & GAS INCOME FUND IX-A LP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2b6407c3-059d-5868-bf8c-ea8b14d1742b
json: https://whiteintel.dev/api/public/dossier/2b6407c3-059d-5868-bf8c-ea8b14d1742b
identifier: sec:0000847320
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SOUTHWEST OIL & GAS INCOME FUND IX-A LP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000847320`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2b6407c3-059d-5868-bf8c-ea8b14d1742b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2b6407c3-059d-5868-bf8c-ea8b14d1742b  

## Ownership & control

### Owners / controllers

- **CLAYTON WILLIAMS ENERGY INC /DE** (tenpercentowner) — https://whiteintel.dev/entity/8a4e20f0-2946-5247-8904-ae6c4432f9b3
- **SOUTHWEST ROYALTIES INC** (tenpercentowner) — https://whiteintel.dev/entity/0bc126a6-4661-54fa-b11f-8ed7cd52299e

### UBO chain (walk to the ultimate owner)

A **148-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SOUTHWEST OIL & GAS INCOME FUND IX-A LP**. Human view: https://whiteintel.dev/entity/2b6407c3-059d-5868-bf8c-ea8b14d1742b · Structured JSON: https://whiteintel.dev/api/public/dossier/2b6407c3-059d-5868-bf8c-ea8b14d1742b._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._