42-501-35912

INJECTION

ROBERTS UNIT

YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON

Permits

1

Max Depth

5,500 ft

First Permit

2012-01-18

Latest Activity

2012-01-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-12-14

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: APACHE CORPORATION

Resolved via: productionHILCORP ENERGY COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000104811 permitted 2013-01-08

Permitted Volume

2,500 bbl/d

Max Pressure

2,200 psi

Injection Interval

4,400–5,350 ft

Injected (12mo)

47,636 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (6) Elevation 3,630 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,187 ft+1,443 ft
YATES 2,901 ft+729 ft
SEVEN RIVERS 3,150 ft+480 ft
QUEEN 3,733 ft-103 ft
GRAYBURG 4,118 ft-488 ft
SAN ANDRES 4,376 ft-746 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
4,914–5,140 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,200 ft1,000 sx
5.5"5,330 ft1,050 sx

Permit History (1)

Applications (1)

#731388 A APACHE CORPORATION
received 2012-01-10

Records & Logs

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

W-2/G-1 2013-01-24 log on file

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 YOAKUM County.

Well Details

Well Number
3771W
Max Depth
5,500 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2012-12-14

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,428