42-297-33853

Final Completion

BLOCK 85 UNIT

LIVE OAK County · District 2 · SHERIDAN ENERGY INC. · CLAYTON (BLOCK 86 SD)

Permits

Max Depth

9,050 ft

First Permit

1988-10-12

Latest Activity

1998-05-18

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-10-10

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SHERIDAN ENERGY INC. ≠ Production: CALPINE NATURAL GAS L.P. (reported 2002-10)

Resolved via: scheduling → SHERIDAN ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-1997→ SHERIDAN ENERGY,INC. 1997-2000→ CALPINE NATURAL GAS COMPANY 2000-2002→ CALPINE NATURAL GAS COMPANY L.P. 2002-2002→ CALPINE NATURAL GAS L.P. 2002-2002

Lease Production

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

Formation Tops (4) Elevation 356 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WILCOX 7360 (Wilcox)	7,382 ft	-7,026 ft
BLOCK 75 SAND	7,638 ft	-7,282 ft
BLOCK 85 SAND	7,820 ft	-7,464 ft
BLOCK 86 SAND	8,328 ft	-7,972 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 ↗

Perforations (2)

Interval	Type
7,832–7,856 ft	Perforated
8,340–8,372 ft	Perforated

Casing (4)

Size	Set Depth	Cement
16"	60 ft	—
8.625"	2,195 ft	700 sx
5.5"	8,625 ft	1,580 sx
16"	—	—

Permit History (2)

#473643 Recompletion Final Completion

BLOCK 85 UNIT · 8,300 ft

1998-05-18

Spud 1998-02-18

#352171 Drill Final Completion

BLOCK 85 UNIT · 9,050 ft

1988-10-12

Spud 1989-08-08

Applications (2)

#473643 A SHERIDAN ENERGY,INC.

received 1998-02-20

#352171 A MOBIL PRODUCING TX. & N.M. INC.

received 1988-10-12

Records & Logs

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

W-2/G-1 1998-06-10 log on file

W-2/G-1 1998-08-13

W-2/G-1 1989-11-10 log on file

W-2/G-1 1989-12-14

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 LIVE OAK County.

Well Details

Well Number: 3
Max Depth: 9,050 ft
Drill Type: Vertical
County: LIVE OAK
District: 2
Operator: SHERIDAN ENERGY INC.
Completed: 1989-10-10

Operator

Name: SHERIDAN ENGY,INC
Location: HOUSTON
P-5 Status: Inactive (filed 1999-06-23)
Cum Oil (all leases): 106,165 bbl
Cum Gas (all leases): 6,772,641 mcf
Total Permits: 18