TEXAS · WELLS · CULBERSON COUNTY · MONTROSE 45 UNIT LEASE · API 42-109-34365 · DISTRICT 7B

Montrose 45 Unit #12H

Y

Culberson County · Sandbar (Bone Spring) field · Producing  · Horizontal

Montrose 45 Unit #12H (API 42-109-34365) is a horizontal well in Culberson County operated by Coterra Energy Operating CO., completed April 14, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 25, 2024, permitted to 8,310 ft.

It was permitted by Cimarex Energy CO. and has since transferred to Coterra Energy Operating CO. on the wellbore schedule.

Completion filings report 9 formation tops, including Delaware, Cherry Canyon, Bone Spring, Atoka.

Its lease has reported 140K barrels of oil and 877K mcf of gas since April 2025, last reporting volume in April 2026.

Operator of record

Coterra Energy Operating Co.

Permitted by Cimarex Energy Co.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 20, 2026
Permits on file
184
Phone
(432) 571-7800

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCoterra Energy Operating Co.
Production reportsCoterra Energy Operating Co.through Apr 2026
Latest permitCimarex Energy Co.Oct 25, 2024

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

8,310
total depth, ft
1
permits on file
Oct 25, 2024
last permit issued
Apr 14, 2025
completed
140K
cumulative oil, bbl
877K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2025 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 14, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

31.863630, -104.165811 NAD27, as filed

31.863754, -104.166296 WGS84

Google Maps ↗

Permit surface location from the RRC GIS record, referenced to NAD27 as the RRC files it; the WGS84 pair is the same point through NOAA's NADCON grid, and the map link uses it, in Culberson County.

Wells nearby

Every well with a location on file around this one, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Montrose 45 Unit G-10-299843Sandbar (Bone Spring)Coterra Energy Operating Co.1140K877KApr 2025 – Apr 2026

Gas, mcf lease total

Last 12 months 865,537 · prior 12 11,781

050K100K150K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Cimarex Energy Co.Apr 2025 → Oct 2025
  2. 2Coterra Energy Operating Co.Nov 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
903570-99DrillCimarex Energy Co.Oct 25, 2024Oct 25, 2024Nov 11, 202411,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 14, 2025Montrose 45 Unit G-10-299843Sandbar (Bone Spring)Coterra Energy Operating Co.Producing8,310

Formation tops

As filed on W-2/G-1. Subsea from 3,473 ft elevation.Download CSV →

FormationMD ftSubsea
DelawareFORD / DELAWARE2,2381,235
Delaware2,3411,132
Cherry Canyon3,118355
Bone Spring5,839-2,366
Atoka——
CapitanCAPITAN REEF——
Morrow——
Rustler——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,40218,771Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,08712.251,010 S
77,9468.751,225 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Sep 4, 2025Jul 15, 2025Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Hoop Jr 9 WR L42-109-34296

0.0 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2231,277
Delaware2,3081,192
Cherry Canyon3,219281
Bone Spring5,822-2,322
Bone Spring6,724-3,224
Bone Spring7,387-3,887
Bone Spring7,745-4,245
Rustler—

10 TOPS · FIRST 8

Hoop Jr 9 WR M42-109-34297

0.0 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2251,275
Delaware2,3121,188
Cherry Canyon3,231269
Bone Spring5,835-2,335
Bone Spring6,746-3,246
Bone Spring7,400-3,900
Bone Spring7,758-4,258
Capitan—

10 TOPS · FIRST 8

Montrose 45 Unit42-109-34366

0.0 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2381,235
Delaware2,3411,132
Cherry Canyon3,118355
Bone Spring5,839-2,366
Rustler—
Capitan—
Strawn—
Atoka—

10 TOPS · FIRST 8

Hoop Jr 9 WR I42-109-34120

0.0 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2141,281
Delaware2,3291,166
Cherry Canyon3,271224
Bone Spring5,806-2,311
Wolfcamp8,748-5,253
Atoka—
Capitan—
Morrow—

10 TOPS · FIRST 8

Hoop Jr 9 WR H42-109-34119

0.1 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2141,281
Delaware2,3291,166
Cherry Canyon3,271224
Bone Spring5,806-2,311
Wolfcamp8,748-5,253
Rustler—
Capitan—
Strawn—

10 TOPS · FIRST 8

Hoop Jr 9 WR G42-109-34118

0.1 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2141,281
Delaware2,3291,166
Cherry Canyon3,271224
Bone Spring5,806-2,311
Wolfcamp8,748-5,253
Atoka—
Strawn—
Rustler—

10 TOPS · FIRST 8

Hoop Jr 9 WR F42-109-34117

0.1 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2141,281
Delaware2,3291,166
Cherry Canyon3,271224
Bone Spring5,806-2,311
Wolfcamp8,748-5,253
Morrow—
Rustler—
Strawn—

10 TOPS · FIRST 8

Montrose 45 Unit42-109-33884

0.1 KM · Cimarex Energy Co. · Section with this well →

Delaware2,2171,249
Cherry Canyon3,241225
Bone Spring5,837-2,371
Wolfcamp8,836-5,370
Morrow—
Delaware—
Capitan—
Atoka—

10 TOPS · FIRST 8

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/10934365, documented in the API reference.