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DAWSON County · District 8 · APACHE CORPORATION · EFFORT (MONTOYA)

Permits

2

Max Depth

10,550 ft

First Permit

1987-09-15

Latest Activity

1987-09-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-08-09

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: APACHE CORPORATION ≠ Permit: TEXACO INC.

Resolved via: schedulingAPACHE CORPORATION

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

W-14 Disposal Active UIC #000067496 permitted 1990-05-02

Permitted Volume

2,500 bbl/d

Max Pressure

2,000 psi

Injection Interval

7,246–7,484 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

Operator History

originally filed by TEXACO INC. — asset transferred

Lease Production

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

Formation Tops (5) Elevation 2,945 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)6,684 ft-3,739 ft
CANYON LIME STONE (Canyon)8,990 ft-6,045 ft
LOWER MISSISSIPPIAN (Mississippian)10,015 ft-7,070 ft
MONTOYA 10,280 ft-7,335 ft
ELLENBURGER 10,415 ft-7,470 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
7,246–7,484 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"417 ft500 sx
9.625"3,778 ft1,950 sx
5.5"10,440 ft700 sx

Permit History (2)

Applications (2)

#335980 A TEXACO PRODUCING INC.
received 1988-05-26
#335980 A TEXACO INC.
received 1987-09-15

Records & Logs

2 completion filings on record.

W-2/G-1 1988-08-24
W-2/G-1 1988-09-13
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 DAWSON County.

Well Details

Well Number
1
Max Depth
10,550 ft
Drill Type
Vertical
County
DAWSON
District
8
Completed
1988-08-09

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-12-03)
Cum Oil (all leases)
615,928,793 bbl
Cum Gas (all leases)
2,702,742,169 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,662