42-135-20326

Final Completion

HARPER DEVONIAN UNIT

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

Permits

1

Max Depth

10,500 ft

First Permit

2003-03-25

Latest Activity

2003-03-25

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1968-05-22

Shut-In

Plugged

!

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

H-1 Injection Cancelled 2016-05-05 UIC #000015171 permitted 1990-12-13

Permitted Volume

2,000 mcf/d

Max Pressure

6,500 psi

Injection Interval

9,917–10,055 ft

Injected (12mo)

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 (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CANYON 8,460 ft-5,330 ft
STRAWN 8,560 ft-5,430 ft
DEVONIAN 9,882 ft-6,752 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
9,917–10,055 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"323 ft350 sx
8.625"5,100 ft2,350 sx
5.5"10,500 ft1,175 sx

Permit History (1)

Applications (1)

#529930 A OXY USA WTP LP
received 2003-03-25

Records & Logs

3 completion filings on record.

W-2/G-1 2003-06-12
W-2/G-1 2003-08-13
W-2/G-1 1968-05-24
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 ECTOR County.

Well Details

Well Number
709
Max Depth
10,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1968-05-22

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