WELL · 42-135-02438 · DISTRICT 8

Alma #5

N

Ector County  · Vertical

Alma #5 (API 42-135-02438) is a disposal or injection well in Ector County operated by Chesapeake Operating, Inc. under an active UIC permit.

The RRC has issued 5 drilling permits between 1978 and 2006, permitted to 9,820 ft.

Completion filings report 7 formation tops, including Yates, Grayburg, Glorieta, Clear Fork.

Its 5 leases have reported 255K barrels of oil and 603K mcf of gas since January 1993, last reporting in July 2026. The leases carry 18 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 737K barrels injected in the 12 months reported through September 2025.

Operator of record

Chesapeake Operating, Inc.

Oklahoma City, OK · P-5 Y, filed Jul 4, 2026 · 13,061 permits on file · (405) 935-7500

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsHighmark Energy Operating, LLCthrough Apr 2026
Latest permitChesapeake Operating, Inc.Jun 9, 2006
9,820
total depth, ft
5
permits on file
Jun 9, 2006
last permit issued
—
completed
255K
cumulative oil, bbl
603K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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 5 leases this well is completed on; they carry 18 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Alma O-10-16751TXL (Devonian)Highmark Energy Operating, LLC347K215KJan 1993 – Jul 2026
Alma O-10-16869TXL, North (Waddell)Highmark Energy Operating, LLC527.9K30.1KJan 1993 – Jul 2026
Alma O-10-18022TXL (Tubb)Highmark Energy Operating, LLC6151K303KJan 1993 – Jul 2026
Alma O-10-49604Goldsmith, W. (San Andres)Highmark Energy Operating, LLC200Mar 2018 – Jul 2026
Alma O-10-29189TXL (San Andres)Legacy Reserves Operating LP228.7K55.7KJan 1993 – Apr 2018

Oil, barrels lease total

Last 12 months 582 · prior 12 574(+1%)

0100200202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 1,741(-100%)

0200400600202420252026

Chain of custody

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

  1. 1Phillips Petroleum CompanyJan 1993 → Sep 1995
  2. 2Merit Energy CompanyOct 1995 → Apr 2000
  3. 3Permian Resources, Inc.May 2000 → Apr 2004
  4. 4Chesapeake Operating, Inc.May 2004 → Mar 2010
  5. 5Three Rivers Operating Co LLCApr 2010 → Jul 2012
  6. 6COG Operating LLCAug 2012 → Dec 2012
  7. 7Legacy Reserves Operating LPJan 2013 → Feb 2023
  8. 8Highmark Energy Operating, LLCApr 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
620737-99RecompletionChesapeake Operating, Inc.Jun 9, 2006Jun 9, 2006Jul 24, 20069,000
521439-99RecompletionPermian Resources, Inc.Jun 27, 2002Jun 28, 2002Apr 15, 20027,200
433178-99RecompletionPhillips Petroleum CompanyFeb 22, 1995Feb 27, 1995Mar 14, 19958,850
327065-99RecompletionPhillips Petroleum CompanyFeb 25, 1987Feb 27, 1987—9,820
19477-99RecompletionPhillips Petroleum CompanyMar 6, 1978Mar 6, 1978—9,380

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-16751————
—— O-10-16869————
—— O-10-18022————
—— O-10-29189————
—— O-10-49604————

Formation tops

As filed on W-2/G-1. Subsea from 3,324 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,770554
Grayburg3,750-426
Glorieta5,260-1,936
Clear ForkCLEARFORK5,670-2,346
Tubb6,140-2,816
Devonian7,800-4,476
Silurian (undifferentiated)SILURIAN7,880-4,556

Perforations

Perforated and open-hole intervals.

FromToType
4,2444,282Perforated
4,2684,282Perforated
6,0666,369Perforated
7,7447,762Perforated
7,8067,858Perforated
—9,290Perforated
—9,600Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37525617.25250 S
13.37525617.5250 S
8.6254,224112,500 S
5.59,8197.875125 S
5.59,8207.875125 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
00Apr 11, 2023Dec 8, 2022—
00Mar 29, 2018Sep 14, 2006—
00Apr 30, 2007Sep 14, 2006—
00Apr 30, 2007——
00Jan 31, 2007——
00Oct 23, 2002Jul 2, 2002Yes
00Sep 27, 2002May 3, 1995Yes
00Oct 30, 1995May 3, 1995Yes
00Aug 22, 1995——
00Jan 12, 1984——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

737K
bbl, last 12 reported months
11.6M
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000096584H-1 InjectionActive7,0002,1224,244–4,414

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 737,231 · prior 12 1,001,480(-26%)

050K100K150K20242025

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/13502438, documented in the API reference.