TEXAS · WELLS · TARRANT COUNTY · ELKINS UNIT LEASE · API 42-439-30200 · DISTRICT 7C

Elkins Unit #4

Y

Tarrant County · Newark East (Barnett Shale) field · Producing  · Vertical

Elkins Unit #4 (API 42-439-30200) is a well in Tarrant County operated by Riverbirch Resources LLC, completed October 4, 2001 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 24, 2001, permitted to 7,210 ft.

It was permitted by Chief Oil & Gas LLC and has since transferred to Riverbirch Resources LLC on the wellbore schedule.

Completion filings report 9 formation tops, including Marble Falls, Glen Rose, Barnett, Viola.

No lease production has been reported under this well’s leases.

Operator of record

Riverbirch Resources LLC

Permitted by Chief Oil & Gas LLC; the EWA schedule now lists a different operator.

Based in
Tulsa, OK
P-5 status
Active (A)
P-5 last filed
May 7, 2026
Phone
(918) 417-0173

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRiverbirch Resources LLC
Production reportsBRG Lone Star Ltd.through Apr 2026
Latest permitChief Oil & Gas LLCApr 24, 2001

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

7,210
total depth, ft
1
permits on file
Apr 24, 2001
last permit issued
Oct 4, 2001
completed
0
cumulative oil, bbl
1.31M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2001 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 4, 2001
Shut in
—
Plugged
—

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

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
Elkins Unit G-13-184574Newark, East (Barnett Shale)Riverbirch Resources, LLC101.31MMay 2001 – Jul 2026

Gas, mcf lease total

Last 12 months 16,469 · prior 12 14,796(+11%)

02K4K202420252026

Chain of custody

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

  1. 1Chief Oil & Gas LLC *Jan 2002 → Jun 2006
  2. 2Devon Energy Production Co, L.P.Jul 2006 → Sep 2020
  3. 3BRG Lone Star Ltd.Oct 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
507903-99DrillChief Oil & Gas LLCApr 18, 2001Apr 24, 2001May 1, 20017,600

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 4, 2001Elkins Unit G-13-184574Newark East (Barnett Shale)Riverbirch Resources LLCProducing7,210

Formation tops

As filed on W-2/G-1. Subsea from 786 ft elevation.Download CSV →

FormationMD ftSubsea
Marble Falls6,489-5,703
Glen Rose6,534-5,748
BarnettBARNETT SHALE6,816-6,030
Viola7,163-6,377
Rodessa7,603-6,817
Pettit8,288-7,502
Travis Peak8,563-7,777
Knowles Lime11,598-10,812
Bossier11,978-11,192

Perforations

Perforated and open-hole intervals.

FromToType
6,8167,102Perforated
13,03613,044Perforated
13,07313,079Perforated
13,08313,086Perforated
13,09613,100Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,09312.25545 S
9.6255,25012.251,350 S
4.57,2137.875370 S
712,3088.751,240 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
00May 22, 2002Feb 11, 2002Yes
00May 9, 2002Mar 5, 2002Yes
00Oct 25, 2001Aug 28, 2001Yes
00Sep 27, 2001——

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). 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/43930200, documented in the API reference.