TEXAS · WELLS · ATASCOSA COUNTY · GRIFFIN-DEATLEY UNIT A LEASE · API 42-013-34398 · DISTRICT 01
Griffin-Deatley Unit A #1H
Atascosa County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Griffin-Deatley Unit A #1H (API 42-013-34398) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed September 20, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 11, 2011, permitted to 10,526 ft.
It was permitted by Hilcorp Energy Company and has since transferred to Marathon Oil EF LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
Its lease has reported 120K barrels of oil and 367K mcf of gas since September 2011, last reporting in July 2026.
Operator of record
Permitted by Hilcorp Energy Company; 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 Jun 2025 |
| Latest permit | Hilcorp Energy CompanyJul 11, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,526
- total depth, ft
- 1
- permits on file
- Jul 11, 2011
- last permit issued
- Sep 20, 2011
- completed
- 120K
- cumulative oil, bbl
- 367K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 20, 2011
- Shut in
- —
- 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 |
|---|---|---|---|---|---|---|
| Griffin-Deatley Unit A O-1-15690 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | 1 | 120K | 367K | Sep 2011 – Jul 2026 |
Gas, mcf lease total
Last 12 months 24,512 · prior 12 31,658(-23%)
Oil, barrels lease total
Last 12 months 1,606 · prior 12 2,435(-34%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCNov 2011 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 719800-99 | Drill | Hilcorp Energy Company | Jul 7, 2011 | Jul 11, 2011 | Aug 18, 2011 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 20, 2011 | Griffin-Deatley Unit A O-1-15690 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | Producing | 10,526 |
Formation tops
As filed on W-2/G-1. Subsea from 417 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 10,278 | -9,861 |
| Austin Chalk | 10,416 | -9,999 |
| Eagle Ford | 10,530 | -10,113 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,868 | 14,999 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 5,470 | 13.5 | 2,395 S |
| 5.5 | 15,116 | 8.5 | 2,160 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 | Mar 21, 2024 | Mar 8, 2024 | — |
| 00 | Apr 18, 2012 | Nov 17, 2011 | 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 42-013-34398 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-34398 → 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/01334398, documented in the API reference.