42-135-36353

GIST B-526 UNIT

ECTOR County · District 8 · KERR-MCGEE CORPORATION · FOSTER

Permits

2

Max Depth

4,500 ft

First Permit

1990-10-12

Latest Activity

1990-10-12

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-01-28

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: KERR-MCGEE CORPORATION ≠ Production: AGHORN OPERATING, INC. (reported 2026-02)

Resolved via: productionAGHORN OPERATING, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

H-1 Injection Cancelled 1998-03-25 UIC #000069777 permitted 1991-11-21

Permitted Volume

1,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

4,000–4,330 ft

Injected (12mo)

104,118 bbl

H-1 Injection Active UIC #000081948 permitted 1994-12-22

Permitted Volume

1,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

4,000–4,330 ft

Injected (12mo)

104,118 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-10-01)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (8) Elevation 2,944 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP ANHYDRITE1,654 ft+1,290 ft
TOP ANYDRITE1,654 ft+1,290 ft
COWDEN ANHYDRITE2,539 ft+405 ft
YATES 2,809 ft+135 ft
GRAYBURG 3,999 ft-1,055 ft
FOSTER PAY4,229 ft-1,285 ft
BASE FOSTER PAY4,329 ft-1,385 ft
SILTSTONE BARRIER4,349 ft-1,405 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 (6)

IntervalType
4,242–4,246 ftPerforated
4,242–4,308 ftPerforated
4,250–4,262 ftPerforated
4,266–4,280 ftPerforated
4,287–4,300 ftPerforated
4,304–4,308 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"344 ft250 sx
4.5"4,349 ft875 sx

Permit History (2)

Applications (2)

#379139 A KERR-MCGEE CORPORATION
received 1992-01-02
#379139 A KERR-MCGEE CORPORATION
received 1990-10-09

Records & Logs

6 completion filings on record · 3 with log images at RRC.

W-2/G-1 2011-10-14
W-2/G-1 1995-01-27
W-2/G-1 1992-02-06 log on file
W-2/G-1 1992-02-06 log on file
W-2/G-1 1992-02-06 log on file
W-2/G-1 1992-03-03
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ECTOR County.

Well Details

Well Number
526
Max Depth
4,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1992-01-28

Operator

Location
DALLAS
P-5 Status
Inactive (filed 1999-04-08)
Cum Oil (all leases)
5,936,075 bbl
Cum Gas (all leases)
108,132,656 mcf
Total Permits
626