TEXAS · WELLS · ATASCOSA COUNTY · CHAPMAN-PFEIL ALLOCATION LEASE · API 42-013-35136 · DISTRICT 01
Chapman-Pfeil Allocation #3H
Atascosa County · Eagleville (Eagle Ford-1) field · Shut In · Horizontal
Chapman-Pfeil Allocation #3H (API 42-013-35136) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed November 30, 2015 and listed as shut in on the RRC schedule, shut in November 1, 2025.
The RRC has issued one drilling permit, issued August 30, 2014, permitted to 10,522 ft.
Completion filings report 10 formation tops, including Queen City, Carrizo, Olmos, Reklaw.
Its lease has reported 276K barrels of oil and 584K mcf of gas since January 2015, last reporting in July 2026.
Operator of record
- 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 Jun 2025 |
| Latest permit | Marathon Oil EF LLCAug 30, 2014 |
- 10,522
- total depth, ft
- 1
- permits on file
- Aug 30, 2014
- last permit issued
- Nov 30, 2015
- completed
- 276K
- cumulative oil, bbl
- 584K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 30, 2015
- Shut in
- Nov 1, 2025
- 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 |
|---|---|---|---|---|---|---|
| Chapman-Pfeil Allocation O-1-18361 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | 1 | 276K | 584K | Jan 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 64 · prior 12 4,777(-99%)
Gas, mcf lease total
Last 12 months 18 · prior 12 4,101(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCJan 2015 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 792377-99 | Drill | Marathon Oil EF LLC | Jul 23, 2014 | Aug 30, 2014 | Oct 28, 2014 | 19,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 30, 2015 | Chapman-Pfeil Allocation O-1-18361 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | Shut In · shut in Nov 1, 2025 | 10,522 |
Formation tops
As filed on W-2/G-1. Subsea from 420 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 830 | -410 |
| Carrizo | 1,580 | -1,160 |
| OlmosOLMOS - DISPOSAL | 1,820 | -1,400 |
| Reklaw | 1,900 | -1,480 |
| EscondidoESCONDIDO - H2S, DISPOSAL | 2,600 | -2,180 |
| Queen City | 2,875 | -2,455 |
| Bartosh | 3,150 | -2,730 |
| Reklaw | 3,450 | -3,030 |
| NavarroNAVARRO - H2S | 3,600 | -3,180 |
| Bartosh | 3,703 | -3,283 |
| Carrizo | 4,121 | -3,701 |
| WilcoxWILCOX - DISPOSAL | 4,660 | -4,240 |
| WilcoxWILCOX - DISPOSAL | 5,537 | -5,117 |
| NavarroNAVARRO - H2S | 8,687 | -8,267 |
| OlmosOLMOS - DISPOSAL | 9,074 | -8,654 |
| AnacachoANACACHO - H2S | 10,293 | -9,873 |
| AnacachoANACACHO - H2S | 10,394 | -9,974 |
| Austin ChalkAUSTIN CHALK - H2S, DISPOSAL | 10,523 | -10,103 |
| EscondidoESCONDIDO - H2S, DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,880 | 17,411 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,192 | 12.25 | 1,857 S |
| 5.5 | 17,550 | 8.5 | 2,899 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 29, 2016 | Aug 24, 2016 | Yes |
| 00 | Aug 13, 2015 | Mar 3, 2015 | Yes |
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 42-013-35136 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-35136 → scanned completion filings
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/01335136, documented in the API reference.