42-227-38741
PRODUCING HorizontalWR CHINKAPIN OAK UNIT
HOWARD County · District 8 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
8,830 ft
First Permit
2016-03-22
Latest Activity
2022-02-10
Lifespan
6 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-03-02
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: OXYROCK OPERATING LLC ≠ Permit: CROWNQUEST OPERATING, LLC
Resolved via: production → OXYROCK OPERATING, LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2017-03
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,513 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,889 ft | +624 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,459 ft | -946 ft |
| GLORIETA | 4,212 ft | -1,699 ft |
| CLEARFORK - SEVERE WATER FLOWS (Clear Fork) | 4,988 ft | -2,475 ft |
| SPRABERRY | 6,585 ft | -4,072 ft |
| DEAN | 7,857 ft | -5,344 ft |
| WOLFCAMP | 7,988 ft | -5,475 ft |
| COLEMAN JUNCTION | — | — |
| LEONARD | — | — |
| SEVEN RIVERS | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 8,563–18,075 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 168 ft | 250 sx |
| 9.625" | 7,954 ft | 1,150 sx |
| 5.5" | 18,140 ft | 2,850 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 8AA
- Max Depth
- 8,830 ft
- Drill Type
- Horizontal
- County
- HOWARD
- District
- 8
- Operator
- OXYROCK OPERATING LLC
- Completed
- 2017-03-02
Operator
- Name
- OXYROCK OPER, LLC
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-04-22)
- Cum Oil (all leases)
- 64,850,483 bbl
- Cum Gas (all leases)
- 77,830 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 364