42-135-42191

PRODUCING

HARPER DEVONIAN UNIT

ECTOR County · District 8 · OXY USA WTP EOR LLC · HARPER (DEVONIAN)

Permits

2

Max Depth

11,500 ft

First Permit

2012-12-18

Latest Activity

2012-12-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2013-03-28

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: OXY USA WTP EOR LLC ≠ Production: OXY USA WTP LP (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: OXY USA WTP EOR LLC ≠ Permit: OXY USA WTP LP

Resolved via: productionOXY USA WTP LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

Lease Production

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

Formation Tops (3) Elevation 3,130 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,139 ft-1,009 ft
WOODFORD 9,854 ft-6,724 ft
DEVONIAN 9,974 ft-6,844 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 (1)

IntervalType
9,918–10,112 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,389 ft550 sx
5.5"10,604 ft2,170 sx

Permit History (2)

Applications (2)

#752852 A OXY USA WTP LP
received 2013-01-09
#752852 A OXY USA WTP LP
received 2012-12-10

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2013-08-01 log on file
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 ECTOR County.

Well Details

Well Number
711
Max Depth
11,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2013-03-28

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-01-07)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/G, OPRS/O