WELL · 42-317-40517 · DISTRICT 8

Bear Mountain 13-16E #131HW

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

Bear Mountain 13-16e #131HW (API 42-317-40517) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed March 21, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 28, 2016, permitted to 9,600 ft.

It was permitted by Trail Ridge Energy Prtns II LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 242K barrels of oil and 191K mcf of gas since November 2016, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Trail Ridge Energy Prtns II LLC; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitTrail Ridge Energy Prtns II LLCJul 28, 2016

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

9,600
total depth, ft
2
permits on file
Jul 28, 2016
last permit issued
Mar 21, 2023
completed
242K
cumulative oil, bbl
191K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 21, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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
Bear Mountain 13-16E O-10-48659Spraberry (Trend Area)Diamondback E&P LLC1242K191KNov 2016 – Jul 2026

Oil, barrels lease total

Last 12 months 14,178 · prior 12 8,858(+60%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 29,473 · prior 12 11,517(+156%)

02K4K202420252026

Chain of custody

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

  1. 1Lario Oil & Gas CompanyNov 2016 → Feb 2023
  2. 2Diamondback E&P LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
817337-98DrillTrail Ridge Energy Prtns II LLCAug 5, 2016Jul 28, 2016Aug 17, 20169,600
817337-99DrillTrail Ridge Energy Prtns II LLCJul 27, 2016Jul 28, 2016Aug 17, 20169,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-48659————

Formation tops

As filed on W-2/G-1. Subsea from 2,768 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa5502,218
Yates2,495273
Queen3,420-652
Grayburg3,985-1,217
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,205-1,437
Cisco5,760-2,992
Spraberry7,585-4,817
Dean8,940-6,172
Wolfcamp9,187-6,419
Pennsylvanian——

Perforations

Perforated and open-hole intervals.

FromToType
9,36616,865Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,67217.51,455 S
9.6258,97012.251,000 S
5.516,9308.752,683 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. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 26, 2023Aug 10, 2023—
00Jul 12, 2017May 3, 2017Yes

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 are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

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/31740517, documented in the API reference.