42-317-32327

Final Completion

NANCE 6A

MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

9,500 ft

First Permit

1981-02-05

Latest Activity

1981-02-05

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-09-11

Shut-In

Plugged

2010-07-01

!

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: RITTENHOUSE OIL & GAS CO.

Resolved via: schedulingENDEAVOR ENERGY RESOURCES L.P.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2010-10

Lease Production

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

Formation Tops (6) Elevation 2,740 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,665 ft+1,075 ft
SAN ANDRES 3,770 ft-1,030 ft
CLEARFORK (Clear Fork)6,240 ft-3,500 ft
SPRABERRY 7,250 ft-4,510 ft
LOWER SPRABERRY (Spraberry)7,872 ft-5,132 ft
DEAN 8,512 ft-5,772 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)

IntervalType
7,937–8,199 ftPerforated
8,513–9,240 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"342 ft350 sx
8.625"3,254 ft350 sx
5.5"9,260 ft400 sx

Permit History (1)

Applications (1)

#107572 A RITTENHOUSE OIL & GAS CO.
received 1981-02-05

Records & Logs

2 completion filings on record.

W-2/G-1 1984-10-04
W-2/G-1 1984-10-17
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 MARTIN County.

Well Details

Well Number
1
Max Depth
9,500 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
1984-09-11

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190