WELL · 42-177-33740 · DISTRICT 1
Barnhart (EF) G #6H
Gonzales County · Horizontal
Barnhart (EF) G #6H (API 42-177-33740) is a permitted horizontal well in Gonzales County filed by Marathon Oil EF LLC; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2016 and 2018, permitted to 20,000 ft.
Completion filings report 8 formation tops, including Reklaw, Carrizo, Wilcox, Austin Chalk.
Its lease has reported 1.32M barrels of oil and 3.14M mcf of gas since December 2013, last reporting in July 2026. The lease carries 7 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 | none |
| Production reports | Marathon Oil EF LLCthrough Apr 2026 |
| Latest permit | Marathon Oil EF LLCAug 31, 2018 |
- 20,000
- total depth, ft
- 2
- permits on file
- Aug 31, 2018
- last permit issued
- —
- completed
- 1.32M
- cumulative oil, bbl
- 3.14M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
29.221361, -97.498259
Permit surface location from the RRC GIS record, in Gonzales County.
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Barnhart (EF) G O-1-17334 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | 7 | 1.32M | 3.14M | Dec 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 33,158 · prior 12 35,415(-6%)
Gas, mcf lease total
Last 12 months 109,426 · prior 12 115,302(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCDec 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 844199-99 | Drill | Marathon Oil EF LLC | Aug 30, 2018 | Aug 31, 2018 | Apr 26, 2019 | 20,000 |
| 817907-99 | Drill | Marathon Oil EF LLC | Aug 22, 2016 | Aug 29, 2016 | — | 18,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17334 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 250 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Reklaw | 3,384 | -3,134 |
| Reklaw | 3,838 | -3,588 |
| Carrizo | 4,216 | -3,966 |
| WilcoxWILCOX - DISPOSAL | 5,286 | -5,036 |
| Austin ChalkAUSTIN CHALK - H2S | 11,077 | -10,827 |
| Eagle FordEAGLE FORD - H2S | 11,659 | -11,409 |
| BudaBUDA - H2S, DISPOSAL | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Navarro | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,805 | 17,710 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,305 | 12.25 | 1,575 S |
| 5.5 | 17,808 | 8.75 | 3,150 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 | Jan 15, 2020 | Sep 23, 2019 | Yes |
| 00 | Jun 5, 2019 | May 28, 2019 | Yes |
| 00 | Dec 14, 2018 | Oct 25, 2018 | 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 42-177-33740 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-33740 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.
Barnhart (EF) G42-177-33741
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,838 | -3,587 |
| Carrizo | 4,215 | -3,964 |
| Wilcox | 5,285 | -5,034 |
| Austin Chalk | 11,056 | -10,805 |
| Eagle Ford | 11,655 | -11,404 |
| Navarro | — | |
| Buda | — | |
| Edwards | — |
Walker42-177-33682
1.1 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,480 | -3,184 |
| Wilcox | 3,877 | -3,581 |
| Carrizo | 4,059 | -3,763 |
| Navarro | 9,030 | -8,734 |
| Anacacho | 10,434 | -10,138 |
| Austin Chalk | 10,783 | -10,487 |
| Eagle Ford | 11,229 | -10,933 |
| Buda | — |
9 TOPS · FIRST 8
Barnhart (EF) 2H Unit-J Unit SA42-177-34472
1.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,319 | -3,071 |
| Carrizo | 3,744 | -3,496 |
| Wilcox | 3,953 | -3,705 |
| Austin Chalk | 11,001 | -10,753 |
| Eagle Ford | 11,667 | -11,419 |
| Navarro | — | |
| Buda | — | |
| Edwards | — |
Barnhart (EF)42-177-34467
1.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,319 | -3,072 |
| Carrizo | 3,744 | -3,497 |
| Wilcox | 3,953 | -3,706 |
| Austin Chalk | 10,990 | -10,743 |
| Eagle Ford | 11,598 | -11,351 |
| Buda | — | |
| Navarro | — | |
| Edwards | — |
Barnhart (EF) 2H Unit42-177-34471
1.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,319 | -3,067 |
| Carrizo | 3,744 | -3,492 |
| Wilcox | 3,853 | -3,601 |
| Austin Chalk | 10,999 | -10,747 |
| Eagle Ford | 11,662 | -11,410 |
| Buda | — | |
| Navarro | — | |
| Edwards | — |
Barnhart (EF)42-177-34468
1.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,319 | -3,067 |
| Carrizo | 3,744 | -3,492 |
| Wilcox | 3,953 | -3,701 |
| Austin Chalk | 10,999 | -10,747 |
| Eagle Ford | 11,626 | -11,374 |
| Edwards | — | |
| Buda | — | |
| Navarro | — |
Barnhart (EF) 2H Unit42-177-34470
1.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,319 | -3,067 |
| Carrizo | 3,744 | -3,492 |
| Wilcox | 3,953 | -3,701 |
| Austin Chalk | 11,008 | -10,756 |
| Eagle Ford | 11,663 | -11,411 |
| Navarro | — | |
| Edwards | — | |
| Buda | — |
Barnhart (EF) 2H Unit SA42-177-34469
1.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,319 | -3,067 |
| Carrizo | 3,744 | -3,492 |
| Wilcox | 3,953 | -3,701 |
| Austin Chalk | 11,037 | -10,785 |
| Eagle Ford | 11,676 | -11,424 |
| Edwards | — | |
| Navarro | — | |
| Buda | — |
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/17733740, documented in the API reference.