42-173-31774
Final CompletionBARFIELD 8 -A-
GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
2
Max Depth
10,550 ft
First Permit
1984-12-31
Latest Activity
1987-11-18
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-11-02
Shut-In
—
Plugged
2025-09-09
EWA / Production operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Production: PARSLEY ENERGY OPERATIONS, LLC (reported 2020-11)
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: MWJ PRODUCING COMPANY
Resolved via: scheduling → PIONEER NATURAL RES. USA INC.
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
1993-01
Last Production
2025-10
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 (9) Elevation 2,704 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOWER C/F LIME | 6,048 ft | -3,344 ft |
| UPPER SPRABERRY (Spraberry) | 6,372 ft | -3,668 ft |
| MIDDLE SPRABERRY (Spraberry) | 7,030 ft | -4,326 ft |
| LOWER SPRABERRY (Spraberry) | 7,358 ft | -4,654 ft |
| WICHITA ALBANY (Wichita-Albany) | 7,760 ft | -5,056 ft |
| DEAN | 7,900 ft | -5,196 ft |
| WOLFCAMP | 8,480 ft | -5,776 ft |
| STRAWN | 10,048 ft | -7,344 ft |
| BEND | 10,288 ft | -7,584 ft |
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 ↗
Perforations (2)
| Interval | Type |
|---|---|
| 8,508–8,530 ft | Perforated |
| 10,048–10,264 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 412 ft | 400 sx |
| 9.625" | 3,610 ft | 350 sx |
| 7" | 8,310 ft | 600 sx |
Permit History (2)
Applications (2)
Records & Logs
11 completion filings on record · 3 with log images at RRC.
+5 more filings
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.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 10,550 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 1987-11-02
Operator
- Location
- Y SPRING
- P-5 Status
- Active (filed 2025-08-01)
- Cum Oil (all leases)
- 1,771,882,421 bbl
- Cum Gas (all leases)
- 1,763,727,021 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 15,401