42-391-00420

Final Completion

WILLIAMS MAUDE ET AL -A-

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

4

Max Depth

5,923 ft

First Permit

1984-03-05

Latest Activity

2020-01-23

Lifespan

36 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000051623 permitted 2022-04-06

Permitted Volume

2,750 bbl/d

Max Pressure

2,535 psi

Injection Interval

5,070–5,800 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

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 (14) Elevation 54 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,446 ft
OAKVILLE 2,750 ft-2,696 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,246 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,246 ft
CATAHOULA 3,578 ft-3,524 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,046 ft
ANAHUAC(MIOCENE) (Anahuac)4,100 ft-4,046 ft
FRIO 4,338 ft-4,284 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,311 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,311 ft
FRIO-GRETA(SINTON) (Frio)5,000 ft-4,946 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,946 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,826 ft
JACKSON/YEGUA (Jackson)

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
42-391-00560 TOM O'CONNOR(5600 FOOT SAND)UN · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Oakville 3,300'Catahoula 3,543'Catahoula 4,100'Anahuac 4,100'Frio 4,331'Anahuac 4,365'Frio 4,365'Frio 4,785' +5 more
42-391-00558 MRS. FANNIE V. W. HEARD · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,000'Frio 5,880'Frio 5,925'
42-391-00563 HEARD, MRS FANNIE V.W. · HILCORP ENERGY COMPANY
0.4 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'
42-391-00562 HEARD, FANNIE V. W., MRS. · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,556'Catahoula 3,574'Frio 4,346'Jackson
42-391-00566 TOM O'CONNOR (5800SAND) FLD UNIT · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Oakville 3,300'Catahoula 3,577'Catahoula 4,100'Anahuac 4,100'Greta 4,150'Frio 4,324'Anahuac 4,365'Frio 4,365' +8 more
42-391-33203 HEARD, FANNIE V. W., MRS. · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,578'Frio 4,321'Jackson
42-391-00470 WILLIAMS, MAUDE ET AL "A" · QUINTANA PET. CORP.
0.5 mi
SURFACE SAND & CLAY 1'Lagarto 1,500'Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 5,000'5800 SAND 5,700'Frio 5,880'
42-391-00727 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,568'Anahuac 4,100'Anahuac 4,150'Frio 4,318'Frio 4,365'Frio 5,000'Frio 5,880'Jackson

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 (4)

IntervalType
5,073–5,085 ftPerforated
5,584–5,606 ftPerforated
5,754–5,772 ftPerforated
5,788–5,795 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,060 ft350 sx
5"5,922 ft500 sx

Permit History (4)

Applications (5)

#860882 A HILCORP ENERGY COMPANY
received 2020-01-13
#357395 A QUINTANA PET. CORP.
received 1989-03-24
#326668 A QUINTANA PET. CORP.
received 1987-02-17
#231564 A QUINTANA PET. CORP.
received 1984-11-19
#231564 A QUINTANA PET. CORP.
received 1984-01-02

Records & Logs

8 completion filings on record · 2 with log images at RRC.

W-2/G-1 2020-01-29
W-2/G-1 1996-08-27
W-2/G-1 1990-01-26 log on file
W-2/G-1 1987-03-23 log on file
W-2/G-1 1987-05-19
W-2/G-1 1984-12-14

+2 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.

Lat 28.390567
Lon -97.126891

Well Details

Well Number
W806B
Max Depth
5,923 ft
Drill Type
Vertical
County
REFUGIO
District
2

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,435