← Wells

42-467-30591

SWAIN, W. F. 36

VAN ZANDT County · District 5 · BASA RESOURCES, INC.

Permits

3

Max Depth

3,004 ft

First Permit

1984-08-17

Latest Activity

2025-08-15

Lifespan

41 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

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 1993-2020→ BASA RESOURCES, INC. 2021-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (3) Elevation 492 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
PECAN GAP 1,432 ft-940 ft
AUSTIN CHALK 2,100 ft-1,608 ft
WOODBINE 2,300 ft-1,808 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
✓ 42-467-00620 SWAIN, W. F. 36 · UNION EXPL. PARTNERS, LTD.
0.1 mi
Austin Chalk 2,234'Woodbine 2,637'
✓ 42-467-30592 THOMPSON, I. W. 401 · UNION OIL COMPANY OF CALIFORNIA
0.1 mi
Wilcox 275'Austin Chalk 2,090'Woodbine 2,410'
✓ 42-467-30902 TUNNELL, I. P. 300 · UNION OIL COMPANY OF CALIFORNIA
0.2 mi
NACATOSH 901'Nacatoch 901'Pecan Gap 1,384'
✓ 42-467-00625 BRACKEN, J. A. 35 · UNOCAL EXPLORATION CORPORATION
0.3 mi
Navarro 980'Pecan Gap 1,527'Austin Chalk 2,208'Austin Chalk 2,402'Woodbine 2,532'
✓ 42-467-30618 BRACKEN, J.A. 35 · UNOCAL EXPLORATION CORPORATION
0.4 mi
Nacatoch 960'Pecan Gap 1,450'Pecan Gap 1,451'Austin Chalk 2,195'Austin Chalk 2,362'Austin Chalk 2,375'Woodbine 2,522'Woodbine 2,522'Woodbine 2,757'
✓ 42-467-00629 BRACKEN, J.A. 35 · UNION OIL COMPANY OF CALIFORNIA
0.4 mi
Wilcox 400'Pecan Gap 1,548'Austin Chalk 2,245'Woodbine 2,612'
✓ 42-467-00628 BRACKEN, J. A. 35 · UNION EXPL. PARTNERS, LTD.
0.4 mi
Pecan Gap 1,568'Austin Chalk 2,258'Woodbine 2,555'
✓ 42-467-30969 BRACKEN, J. A. 35 · UNION OIL COMPANY OF CALIFORNIA
0.5 mi
NACATOSH 1,210'Pecan Gap 1,518'Austin Chalk 2,301'

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
1,432–1,466 ftPerforated
2,642–2,658 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"518 ft200 sx
7"2,990 ft450 sx

Permit History (3)

#909826 Recompletion

SWAIN, W. F. 36 · 3,004 ft

2025-08-15

#417782 Recompletion Final Completion

SWAIN, W. F. 36 · 3,000 ft

1993-11-02

Spud 1993-11-17

#248686 Drill Final Completion

CENTRAL VAN WOODBINE UNIT · 3,000 ft

1984-08-17

Applications (3)

#909826 A BASA RESOURCES, INC.
received 2025-08-13
#417782 A UNION OIL COMPANY OF CALIFORNIA
received 1993-11-02
#248686 A UNION OIL COMPANY OF CALIFORNIA
received 1984-07-30

Records & Logs

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

W-2/G-1 1993-12-28 log on file
W-2/G-1 1984-10-15
W-2/G-1 1984-10-15
W-2/G-1 1984-11-15
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.

Google Maps → Explorer Map →
Lat 32.533271
Lon -95.633847

Well Details

Well Number
5
Max Depth
3,004 ft
Drill Type
Vertical
County
VAN ZANDT
District
5
Operator
BASA RESOURCES, INC.

Operator

Location
DALLAS
P-5 Status
Active (filed 2026-02-12)
Cum Oil (all leases)
79,953,285 bbl
Cum Gas (all leases)
41,318,604 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
471