TEXAS · WELLS · DE WITT COUNTY · JOHNSON GAS UNIT LEASE · API 42-123-32122 · DISTRICT 02
Johnson Gas Unit #1
De Witt County · Flintstone (Cretaceous Chalk) field · Producing · Horizontal · Directional
Johnson Gas Unit #1 (API 42-123-32122) is a horizontal well in De Witt County operated by Marathon Oil EF LLC, completed September 16, 2008 and listed as producing on the RRC schedule, shut in May 1, 2013.
The RRC has issued 2 drilling permits between 2006 and 2008, permitted to 14,740 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Marathon Oil EF LLC on the wellbore schedule.
Its lease has reported 956 barrels of oil and 41.1K mcf of gas since November 2006, with no volume in the three years through April 2026.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 26, 2025
- Permits on file
- 3,191
- Phone
- (832) 486-2737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Marathon Oil EF LLCthrough Feb 2020 |
| Latest permit | Pioneer Natural Res. USA, Inc.Mar 31, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,740
- total depth, ft
- 2
- permits on file
- Mar 31, 2008
- last permit issued
- Sep 16, 2008
- completed
- 956
- cumulative oil, bbl
- 41.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2008 THROUGH Feb 2020
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 16, 2008
- Shut in
- May 1, 2013
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Johnson Gas Unit G-2-224342 | Flintstone (Cretaceous Chalk) | Marathon Oil EF LLC | 1 | 956 | 41.1K | Nov 2006 – Feb 2020 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Sep 2008 → Sep 2019
- 2Ensign Operating LLCOct 2019 → Feb 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 657649-99 | Recompletion | Pioneer Natural Res. USA, Inc. | Mar 18, 2008 | Mar 31, 2008 | — | 17,000 |
| 626312-99 | Drill | Pioneer Natural Res. USA, Inc. | Sep 20, 2006 | Sep 21, 2006 | Oct 5, 2006 | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 16, 2008 | Johnson Gas Unit G-2-224342 | Flintstone (Cretaceous Chalk) | Marathon Oil EF LLC | Producing · shut in May 1, 2013 | 14,740 |
| Sep 16, 2008 | Johnson Gas Unit G-2-224342 | Flintstone (Cretaceous Chalk) | Marathon Oil EF LLC | Producing · shut in May 1, 2013 | 14,740 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,635 | 15,645 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,293 | 17.5 | 1,190 S |
| 5.5 | 14,740 | 8.75 | 810 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 →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 27, 2009 | Oct 14, 2008 | — |
| 00 | May 2, 2007 | Jan 22, 2007 | Yes |
| 00 | Feb 8, 2007 | — | — |
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.
- Wellbore filings for 42-123-32122 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-32122 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/12332122, documented in the API reference.