42-489-31141

Final Completion

THOMAS UNIT

WILLACY County · District 4 · DEWBRE PETROLEUM CORPORATION · RIGGAN (F-20)

Permits

Max Depth

12,300 ft

First Permit

2006-03-29

Latest Activity

2021-07-14

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2018-08-22

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2006-09

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000126661 permitted 2024-06-11

Permitted Volume

500 bbl/d

Max Pressure

3,000 psi

Injection Interval

8,580–8,960 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2026-01-01)

Lease Production

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

Formation Tops (7) Elevation 32 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIOCENE-LAGARTO-OAKVILLE - INJEC (Miocene (undifferentiated))	2,512 ft	-2,480 ft
MIOCENE-LAGARTO-OAKVILLE; INJECT (Miocene (undifferentiated))	2,512 ft	-2,480 ft
CATAHOULA-FRIO - INJECTION/DISPO (Catahoula)	7,675 ft	-7,643 ft
CATAHOULA-FRIO-INJECTION/DISPOSA (Catahoula)	7,675 ft	-7,643 ft
FRIO F-20 (Frio)	10,344 ft	-10,312 ft
CATAHOULA-ANAHUAC - H2S (Catahoula)	—	—
CATAHOULA-ANAHUAC-H2S (Catahoula)	—	—

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)

Interval	Type
8,582–8,598 ft	Perforated
8,622–8,630 ft	Perforated
8,636–8,642 ft	Perforated
8,930–8,938 ft	Perforated
9,096–9,128 ft	Perforated
10,346–10,354 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,504 ft	790 sx
7.625"	10,338 ft	736 sx
4.5"	12,186 ft	256 sx

Permit History (2)

#871157 Recompletion Final Completion

THOMAS UNIT · 12,200 ft

2021-07-14

Spud 2021-07-06

#616530 Drill Final Completion

THOMAS UNIT · 12,300 ft

2006-03-29

Spud 2006-04-01

Applications (2)

#871157 A DEWBRE PETROLEUM CORPORATION

received 2021-07-12

#616530 A DEWBRE PETROLEUM CORPORATION

received 2006-03-27

Records & Logs

5 completion filings on record · 1 with log images at RRC.

W-2/G-1 2025-04-29

W-2/G-1 2021-07-26

W-2/G-1 2021-07-27

W-2/G-1 2006-11-01 log on file

W-2/G-1 2006-12-29

Completion packets + logs ↗ Wellbore 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

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

Well Details

Well Number: 1
Max Depth: 12,300 ft
Drill Type: Vertical
County: WILLACY
District: 4
Operator: DEWBRE PETROLEUM CORPORATION
Completed: 2018-08-22

Operator

Name: DEWBRE PETRO CORP
Location: CORPUS CHRI, ST
P-5 Status: Active (filed 2025-10-22)
Cum Oil (all leases): 2,741,353 bbl
Cum Gas (all leases): 112,980,477 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 366