42-401-34845

Final Completion

SPARKMAN GAS UNIT

RUSK County · District 6 · BUFFCO PRODUCTION INC. · BRACHFIELD S.E. (COTTON VALLEY)

Permits

2

Max Depth

12,000 ft

First Permit

2008-07-22

Latest Activity

2025-07-28

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-11-14

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-10

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 435 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
PETTIT 6,900 ft-6,465 ft
BASE COTTON VALLEY (Cotton Valley)9,396 ft-8,961 ft
BASE OF COTTON VALLEY (Cotton Valley)9,396 ft-8,961 ft
UPPER CV-39,839 ft-9,404 ft
UW-39,839 ft-9,404 ft
UCV-510,295 ft-9,860 ft
UPPER CV-510,295 ft-9,860 ft
CV TAYLOR MARKER10,438 ft-10,003 ft
CV TAYLOR MKR10,438 ft-10,003 ft
BASE OF TAYLOR (Taylor)10,688 ft-10,253 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
42-401-34979 SPARKMAN GAS UNIT · ENERVEST OPERATING, L.L.C.
0.1 mi
TOP MASSIVE ANHIRTE 6,080'BTM MASSIVE ANHIRTE 6,223'James Lime 6,700'Pettit 6,939'Travis Peak 7,287'Travis Peak 7,301'
42-401-34978 SPARKMAN GAS UNIT · ENERVEST OPERATING, L.L.C.
0.2 mi
TOP MASSIVE ANHIRTE 6,067'BTM MASSIVE ANHIRTE 6,211'James Lime 6,683'Pettit 6,924'Travis Peak 7,272'Travis Peak 7,288'
42-401-33958 HARRELL GAS UNIT NO. 1 · TANOS EXPLORATION II, LLC
0.5 mi
Rodessa 6,200'Pettit 6,910'Travis Peak 7,260'
42-401-34705 HARRELL GAS UNIT NO. 2 · TANOS EXPLORATION II, LLC
0.7 mi
ANHYDRITE 5,950'Rodessa 6,225'Rodessa 6,245'James Lime 6,720'Pettit 6,960'Travis Peak 7,310'Taylor 10,500'
42-401-34751 JARRELL · ENERVEST OPERATING, L.L.C.
1.0 mi
Nacatoch 2,295'Woodbine 3,200'Woodbine 3,200'Woodbine 3,200'Paluxy 4,338'Rodessa 6,329'Pettit 7,013'Pettit 7,013'Travis Peak 7,392'Cotton Valley 9,312'Cotton Valley 9,312'Bossier 10,890'
42-401-35375 HARRELL GU1-HARRELL GU2 (ALLOC) · TANOS EXPLORATION II, LLC
1.0 mi
Nacatoch 1,990'Paluxy 4,322'Rodessa 6,330'Pettit 6,972'Travis Peak 7,263'Cotton Valley 9,241'Woodbine
42-401-34448 HARRELL GAS UNIT NO. 1 · ENERVEST OPERATING, L.L.C.
1.1 mi
Nacatoch 2,000'Woodbine 3,000'Paluxy 4,000'Rodessa 5,000'Pettit 6,000'Travis Peak 7,800'Cotton Valley 9,475'BCVL 9,475'CV TAYLOR 10,515'Bossier 10,833'
42-401-34461 H D MAXWELL ET AL · TANOS EXPLORATION II, LLC
1.2 mi
Rodessa 6,187'James Lime 6,662'Pettit 6,902'Travis Peak 7,252'CV TAYLOR 10,472'Bossier 10,790'

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 (5)

IntervalType
7,006–7,012 ftPerforated
9,434–9,793 ftPerforated
9,991–10,328 ftPerforated
10,523–10,562 ftPerforated
10,653–10,657 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,320 ft680 sx
4.5"10,812 ft1,561 sx

Permit History (2)

Applications (2)

#909499 A BUFFCO PRODUCTION INC.
received 2025-07-28
#665827 A ENERVEST OPERATING, L.L.C.
received 2008-07-01

Records & Logs

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

W-2/G-1 2025-10-13
W-2/G-1 2009-01-20 log on file
W-2/G-1 2009-01-31

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 32.042208
Lon -94.705731

Well Details

Well Number
1
Max Depth
12,000 ft
Drill Type
Vertical
County
RUSK
District
6
Completed
2008-11-14

Operator

Location
LONGVIEW
P-5 Status
Active (filed 2025-11-14)
Cum Oil (all leases)
10,945,076 bbl
Cum Gas (all leases)
64,034,660 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
395