TEXAS · WELLS · DIMMIT COUNTY · API 42-127-34838 · DISTRICT 01

Martin Unit a Dim #1H

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Dimmit County · Briscoe Ranch (Eagleford) field · Producing  · Horizontal

Martin Unit A Dim #1H (API 42-127-34838) is a horizontal well in Dimmit County operated by Ineos USA Oil & Gas LLC, completed December 18, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 31, 2012, permitted to 6,478 ft.

It was permitted by Chesapeake Operating, Inc. and has since transferred to Ineos USA Oil & Gas LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.

Its 2 leases have reported 20.6K barrels of oil and 741K mcf of gas since October 2012, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Ineos USA Oil & Gas LLC

Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.

Based in
Denver, CO
P-5 status
Active – Extension (X)
P-5 last filed
May 26, 2026
Permits on file
98
Phone
(720) 764-3473

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleIneos USA Oil & Gas LLC
Production reportsIneos USA Oil & Gas LLCthrough Apr 2026
Latest permitChesapeake Operating, Inc.May 31, 2012

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

6,478
total depth, ft
1
permits on file
May 31, 2012
last permit issued
Dec 18, 2012
completed
20.6K
cumulative oil, bbl
741K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2012 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 18, 2012
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Martin Unit a Dim G-1-275863Briscoe Ranch (Eagleford)Ineos USA Oil & Gas LLC10695KFeb 2013 – Jul 2026
Martin Unit a Dim O-1-16677Briscoe Ranch (Eagleford)Chesapeake Operating, L.L.C.120.6K45.6KOct 2012 – Apr 2015

Gas, mcf lease total

Last 12 months 33,913 · prior 12 23,542(+44%)

02K4K202420252026

Chain of custody

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

  1. 1Chesapeake Operating, Inc.Dec 2012 → Mar 2013
  2. 2Chesapeake Operating, L.L.C.Apr 2013 → Mar 2023
  3. 3Ineos USA Oil & Gas LLCApr 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
741138-99DrillChesapeake Operating, Inc.May 21, 2012May 31, 2012Jun 15, 20129,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 18, 2012Martin Unit a Dim G-1-275863Briscoe Ranch (Eagleford)Ineos USA Oil & Gas LLCProducing6,478
Oct 13, 2012Martin Unit a Dim O-1-16677Briscoe Ranch (Eagleford)Chesapeake Operating L.L.C.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 647 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho5,033-4,386
Austin Chalk5,367-4,720
Eagle Ford6,014-5,367

Perforations

Perforated and open-hole intervals.

FromToType
6,71811,092Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,69512.25559 S
5.511,1938.751,750 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
00Feb 26, 2015Oct 28, 2014Yes
00May 22, 2013Mar 5, 2013Yes

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/12734838, documented in the API reference.