42-495-30319

Horizontal

EAST KEYSTONE UNIT

WINKLER County · District 8 · CIMAREX ENERGY CO.

Permits

2

Max Depth

5,500 ft

First Permit

1995-02-28

Latest Activity

2011-08-30

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (2) Elevation 2,960 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SN ANDRES3,958 ft-998 ft
HOLT 5,012 ft-2,052 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 (3)

IntervalType
4,326–4,487 ftPerforated
4,612–5,300 ftOpen hole
?–4,487 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,176 ft400 sx
5.5"4,612 ft250 sx

Permit History (2)

Applications (2)

#723094 A CIMAREX ENERGY CO.
received 2011-08-25
#433324 A PARKER & PARSLEY PRODUCING L.P.
received 1995-02-27

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 1995-05-22 log on file
W-2/G-1 1995-05-22 log on file
W-2/G-1 1995-05-22 log on file
W-2/G-1 1975-04-03
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 WINKLER County.

Well Details

Well Number
816H
Max Depth
5,500 ft
Drill Type
Horizontal
County
WINKLER
District
8

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-07-08)
Cum Oil (all leases)
36,303,872 bbl
Cum Gas (all leases)
2,470,222,456 mcf
Activities
G/PUR, GTHS/G
Total Permits
2,082