42-047-00982

KELSEY UNIT

BROOKS County · District 4 · EXXON MOBIL CORPORATION · KELSEY DEEP (ZONE 20-F & H N)

Permits

1

Max Depth

7,000 ft

First Permit

2023-12-06

Latest Activity

2023-12-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

2010-10-13

!

EWA / Production operator mismatch

Scheduling: EXXON MOBIL CORPORATION ≠ Production: OVERTON PARK OIL & GAS LP (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: EXXON MOBIL CORPORATION ≠ Permit: OVERTON PARK OIL & GAS LP

Resolved via: productionOVERTON PARK OIL & GAS LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Inactive UIC #000126412 permitted 2024-02-05

Permitted Volume

10,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,260–6,350 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-07-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Lease Production

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

Formation Tops (3) Elevation 241 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA ANAHUAC (Catahoula)4,352 ft-4,111 ft
FRIO 4,528 ft-4,287 ft
MIOCENE-LAGARTO-OAKVILLE (Miocene (undifferentiated))4,678 ft-4,437 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-047-32557 KELSEY UNIT · OVERTON PARK OIL & GAS LP
0.2 mi
Miocene (undifferentiated) 4,990'Catahoula 5,100'Catahoula 5,400'Vicksburg 7,500'
42-047-31887 STATE MARSHALL · OVERTON PARK OIL & GAS LP
0.6 mi
20 F SAND 5,926'20 H SAND 5,950'20 J SAND 6,018'20 H SAND 20 F SAND 20 J SAND
42-047-32556 STATE-MARSHALL · OVERTON PARK OIL & GAS LP
0.8 mi
Catahoula 4,205'Catahoula 4,357'KELSEY (FRIO CONSOL.) 4,496'Miocene (undifferentiated) 4,900'Catahoula 5,000'Catahoula 5,400'Vicksburg 6,500'
42-047-32547 STATE MARSHALL · OVERTON PARK OIL & GAS LP
1.1 mi
Catahoula 4,050'Catahoula 4,400'Miocene (undifferentiated) 4,700'Vicksburg 9,000'
42-047-31554 MARSHALL BROTHERS · OVERTON PARK OIL & GAS LP
1.3 mi
19-A 5,966'19-A 5,996'22-H 7,228'
42-247-32493 MRS. A.M.K. BASS 'B' · OVERTON PARK OIL & GAS LP
2.1 mi
Miocene (undifferentiated) 4,700'Catahoula 5,500'Catahoula 6,400'Vicksburg 8,300'Jackson CLAIBORNE-PETTUS - INJECTION/DIS CLAIBORNE-YEGUA - INJECTION/DISP CLAIBORNE-COOK MOUNTAIN CLAIBORNE-QUEEN CITY
42-047-32546 MCGILL BROS. · OVERTON PARK OIL & GAS LP
2.1 mi
Catahoula 4,200'Catahoula 4,350'Catahoula 4,350'Catahoula 4,400'Frio 4,500'Miocene (undifferentiated) 4,700'Miocene (undifferentiated) 4,700'Vicksburg 9,000'
42-047-32544 MCGILL · OVERTON PARK OIL & GAS LP
2.2 mi
Catahoula 4,050'Catahoula 4,400'Miocene (undifferentiated) 4,700'Vicksburg 9,000'

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 (2)

IntervalType
5,565–6,106 ftPerforated
5,713–6,120 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"1,532 ft
9.625"1,549 ft
5.5"6,173 ft

Permit History (1)

Applications (1)

#895694 A OVERTON PARK OIL & GAS LP
received 2023-12-04

Records & Logs

5 completion filings on record.

W-2/G-1 2026-04-06
W-2/G-1 1971-07-28
W-2/G-1 2000-06-02
W-2/G-1 1971-07-28
W-2/G-1 1984-01-12

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.

Lat 26.831611
Lon -98.391088

Well Details

Well Number
M 8
Max Depth
7,000 ft
Drill Type
Vertical
County
BROOKS
District
4

Operator

Location
SPRING
P-5 Status
Delinquent (filed 2025-04-16)
Cum Oil (all leases)
155,164,556 bbl
Cum Gas (all leases)
2,032,561,175 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G
Total Permits
1,223