42-371-36851

Final Completion

WEST RANCH

PECOS County · District 8 · RIATA ENERGY INC. · BITTERWEED

Permits

2

Max Depth

11,000 ft

First Permit

1998-07-06

Latest Activity

2002-09-18

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1998-10-12

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: RIATA ENERGY INC. ≠ Production: LONGFELLOW ENERGY, LP (reported 2025-09)

Resolved via: schedulingRIATA ENERGY INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-10

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 (7) Elevation 3,966 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))2,080 ft+1,886 ft
MARATHON UNCONFORMITY2,475 ft+1,491 ft
DIMPLE3,612 ft+354 ft
TESNUS4,628 ft-662 ft
1ST CABALLOS5,165 ft-1,199 ft
2ND CABALLOS6,000 ft-2,034 ft
3RD CABALLOS8,512 ft-4,546 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)

IntervalType
5,186–5,488 ftPerforated
8,510–8,758 ftPerforated

Casing (5)

SizeSet DepthCement
9.625"1,307 ft370 sx
9.625"1,340 ft370 sx
7"5,660 ft455 sx
7"5,700 ft455 sx
4.5"9,115 ft200 sx

Permit History (2)

Applications (2)

#523784 A RIATA ENERGY, INC.
received 2002-09-18
#477731 A RIATA ENERGY, INC.
received 1998-07-06

Records & Logs

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

W-2/G-1 2003-01-08 log on file
W-2/G-1 2003-02-04
W-2/G-1 2002-02-22
W-2/G-1 1998-11-25 log on file
W-2/G-1 1999-02-24
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 PECOS County.

Well Details

Well Number
601
Max Depth
11,000 ft
Drill Type
Vertical
County
PECOS
District
8
Completed
1998-10-12

Operator

Location
OKLAHOMA CI, TY
P-5 Status
Delinquent (filed 2006-08-21)
Cum Oil (all leases)
916,339 bbl
Cum Gas (all leases)
282,157,564 mcf
Total Permits
588