42-227-34134

Final Completion

CHALK MARY

HOWARD County · District 8 · CITATION OIL & GAS CORP. · HOWARD GLASSCOCK (CONSOLIDATED)

Permits

1

Max Depth

2,500 ft

First Permit

1987-01-22

Latest Activity

1987-01-22

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

2016-04-01

!

EWA / Permit operator mismatch

Scheduling: CITATION OIL & GAS CORP. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: productionCITATION OIL & GAS CORP.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (5) Elevation 2,490 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,248 ft+1,242 ft
SEVEN RIVERS 1,335 ft+1,155 ft
QUEEN 1,556 ft+934 ft
GRAYBURG 1,823 ft+667 ft
SAN ANDRES 1,928 ft+562 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
2,082–2,252 ftPerforated
2,088–2,244 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"258 ft160 sx
5.5"2,500 ft500 sx

Permit History (1)

Applications (1)

#325688 A MOBIL PRODUCING TX. & N.M. INC.
received 1987-01-22

Records & Logs

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

W-2/G-1 2002-07-26
W-2/G-1 2002-07-26
W-2/G-1 1987-04-16 log on file
W-2/G-1 1987-04-23

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
72
Max Depth
2,500 ft
Drill Type
Vertical
County
HOWARD
District
8

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-05-27)
Cum Oil (all leases)
72,247,033 bbl
Cum Gas (all leases)
24,511,082 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
864