42-329-00301

Final Completion

DORA ROBERTS RANCH UNIT

MIDLAND County · District 8 · OXY USA INC. · DORA ROBERTS (PENNSYLVANIAN)

Permits

Max Depth

11,925 ft

First Permit

1984-06-18

Latest Activity

1991-06-17

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-07-03

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

MIDLAND County disposal market →

H-1 Injection Cancelled 1987-04-29 UIC #000039640

Permitted Volume

—

Max Pressure

—

Injection Interval

—

Injected (12mo)

—

Lease Production

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

Formation Tops (1) Elevation 2,854 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PENNSYLVANIAN	10,068 ft	-7,214 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
10,068–10,299 ft	Perforated
11,368–11,735 ft	Perforated

Casing (7)

Size	Set Depth	Cement
13.375"	395 ft	450 sx
13.375"	395 ft	—
8.625"	5,345 ft	150 sx
8.625"	5,345 ft	—
5.5"	11,921 ft	450 sx
5.5"	11,921 ft	—
8.625"	—	2,000 sx

Permit History (2)

#388793 Drill Final Completion

DORA ROBERTS RANCH DEVONIAN UNIT · 11,925 ft

1991-06-17

Spud 1991-04-08

#242449 Recompletion Final Completion

DORA ROBERTS RANCH UNIT · 11,925 ft

1984-06-18

Applications (2)

#388793 A OXY USA INC.

received 1991-06-10

#242449 A CITIES SERVICE OIL & GAS CORP.

received 1984-06-18

Records & Logs

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

W-2/G-1 1992-03-10

W-2/G-1 1991-07-16 log on file

W-2/G-1 1991-07-16

W-2/G-1 1991-08-12

W-2/G-1 1984-08-13

W-2/G-1 1984-01-12

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 MIDLAND County.

Well Details

Well Number: 4210
Max Depth: 11,925 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: OXY USA INC.
Completed: 1984-07-03

Operator

Name: OXY USA INC
Location: HOUSTON
P-5 Status: Active (filed 2026-01-26)
Cum Oil (all leases): 277,250,617 bbl
Cum Gas (all leases): 814,544,078 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 3,279