42-227-34329

Final Completion

CHALK-DUNCAN

HOWARD County · District 8 · CONOCOPHILLIPS COMPANY · HOWARD GLASSCOCK (CONSOLIDATED)

Permits

1

Max Depth

3,300 ft

First Permit

1988-05-06

Latest Activity

1988-05-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2010-08-25

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: CONOCOPHILLIPS COMPANY ≠ Production: CITATION OIL & GAS CORP. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: CONOCOPHILLIPS COMPANY ≠ Permit: CONOCO INC.

Resolved via: productionCITATION OIL & GAS CORP.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

H-1 Injection Active UIC #000065617 permitted 2010-08-04

Permitted Volume

1,000 bbl/d

Max Pressure

1,100 psi

Injection Interval

2,252–3,079 ft

Injected (12mo)

195,700 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-12-01)

Lease Production

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

Formation Tops (5) Elevation 2,629 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 2,236 ft+393 ft
SAN ANDRES 2,252 ft+377 ft
SAN ANDRES 2,286 ft+343 ft
GLORIETA 2,819 ft-190 ft
GLORIETA 2,852 ft-223 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
2,252–2,688 ftPerforated
2,852–3,079 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,003 ft530 sx
5.5"3,299 ft685 sx

Permit History (1)

Applications (1)

#346056 A CONOCO INC.
received 1988-05-04

Records & Logs

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

W-2/G-1 2010-12-08
W-2/G-1 2010-12-08
W-2/G-1 2010-12-08
W-2/G-1 1988-12-01 log on file
W-2/G-1 1988-12-08

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 HOWARD County.

Well Details

Well Number
12
Max Depth
3,300 ft
Drill Type
Vertical
County
HOWARD
District
8
Completed
2010-08-25

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-02-03)
Cum Oil (all leases)
82,638,100 bbl
Cum Gas (all leases)
2,799,661,718 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,285