WELL · 42-013-35134 · DISTRICT 1
Chapman Pfeil Unit #2H
Atascosa County · Eagleville (Eagle Ford-1) field · Shut IN · Horizontal
Chapman Pfeil Unit #2H (API 42-013-35134) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed November 29, 2015 and listed as shut in on the RRC schedule, shut in October 1, 2024.
The RRC has issued one drilling permit, issued August 21, 2014, permitted to 10,643 ft.
Completion filings report 10 formation tops, including Queen City, Carrizo, Olmos, Reklaw.
Its lease has reported 534K barrels of oil and 784K mcf of gas since May 2011, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
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 Jul 2025 |
| Latest permit | Marathon Oil EF LLCAug 21, 2014 |
- 10,643
- total depth, ft
- 1
- permits on file
- Aug 21, 2014
- last permit issued
- Nov 29, 2015
- completed
- 534K
- cumulative oil, bbl
- 784K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 29, 2015
- Shut in
- Oct 1, 2024
- 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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chapman Pfeil Unit O-1-15659 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | 3 | 534K | 784K | May 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 406 · prior 12 374(+9%)
Gas, mcf lease total
Last 12 months 217 · prior 12 39(+456%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hilcorp Energy CompanyMay 2011 → Oct 2011
- 2Marathon Oil EF LLCNov 2011 → Jul 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 792478-99 | Drill | Marathon Oil EF LLC | Jul 24, 2014 | Aug 21, 2014 | Nov 13, 2014 | 17,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 29, 2015 | Chapman Pfeil Unit O-1-15659 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | Shut IN · shut in Oct 1, 2024 | 10,643 |
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 | 10,397 | -9,977 |
| Austin ChalkAUSTIN CHALK - H2S, DISPOSAL | 10,535 | -10,115 |
| EscondidoESCONDIDO - H2S, DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,996 | 15,084 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,184 | 12.25 | 1,862 S |
| 5.5 | 15,136 | 8.5 | 2,456 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 31, 2016 | Aug 24, 2016 | Yes |
| 00 | Jul 2, 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 42-013-35134 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-35134 → 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/01335134, documented in the API reference.