WELL · 42-177-33906 · DISTRICT 1
McCollum a Unit #12H
Gonzales County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Mccollum A Unit #12H (API 42-177-33906) is a horizontal well in Gonzales County operated by Eog Resources Inc., completed August 28, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 2, 2018, permitted to 13,100 ft.
Completion filings report 9 formation tops, including Reklaw, Wilcox, Carrizo, Navarro.
Its lease has reported 4.37M barrels of oil and 7.68M mcf of gas since November 2012, last reporting in July 2026. The lease carries 22 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Jul 4, 2026 · 16,348 permits on file · (713) 594-5431
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Apr 2026 |
| Latest permit | EOG Resources, Inc.Jan 2, 2018 |
- 13,100
- total depth, ft
- 1
- permits on file
- Jan 2, 2018
- last permit issued
- Aug 28, 2018
- completed
- 4.37M
- cumulative oil, bbl
- 7.68M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 28, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
29.150539, -97.563511
OpenStreetMap → · Google Maps →
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 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McCollum a Unit O-1-16430 | Eagleville (Eagle Ford-1) | EOG Resources, Inc. | 22 | 4.37M | 7.68M | Nov 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 56,004 · prior 12 98,238(-43%)
Gas, mcf lease total
Last 12 months 144,194 · prior 12 232,502(-38%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Dec 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 834566-99 | Drill | EOG Resources, Inc. | Dec 22, 2017 | Jan 2, 2018 | Jan 25, 2018 | 13,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-16430 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 336 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Reklaw | 3,994 | -3,658 |
| WilcoxWILCOX - DISPOSAL | 4,579 | -4,243 |
| Carrizo | 4,649 | -4,313 |
| Navarro | 9,594 | -9,258 |
| Anacacho | 11,074 | -10,738 |
| Austin ChalkAUSTIN CHALK - H2S | 11,355 | -11,019 |
| Eagle FordEAGLE FORD - H2S | 11,724 | -11,388 |
| BudaBUDA - H2S, DISPOSAL | — | — |
| EdwardsEDWARDS - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,152 | 15,165 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,809 | 12.25 | 890 S |
| 6 | 15,215 | 8.5 | 1,705 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 | Dec 6, 2018 | Oct 15, 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 42-177-33906 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-33906 → 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 neighbours, subsea-aligned so they line up regardless of surface terrain.
McCollum a Unit42-177-33907
0.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 4,003 | -3,667 |
| Wilcox | 4,588 | -4,252 |
| Carrizo | 4,658 | -4,322 |
| Navarro | 9,603 | -9,267 |
| Anacacho | 11,057 | -10,721 |
| Austin Chalk | 11,344 | -11,008 |
| Eagle Ford | 11,716 | -11,380 |
| Buda | — |
9 TOPS · FIRST 8
McCollum a Unit42-177-33905
0.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,990 | -3,654 |
| Wilcox | 4,575 | -4,239 |
| Carrizo | 4,645 | -4,309 |
| Navarro | 9,590 | -9,254 |
| Anacacho | 11,072 | -10,736 |
| Austin Chalk | 11,368 | -11,032 |
| Eagle Ford | 11,725 | -11,389 |
| Edwards | — |
9 TOPS · FIRST 8
McCollum a Unit42-177-33904
0.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,987 | -3,651 |
| Wilcox | 4,572 | -4,236 |
| Carrizo | 4,642 | -4,306 |
| Navarro | 9,587 | -9,251 |
| Anacacho | 11,088 | -10,752 |
| Austin Chalk | 11,369 | -11,033 |
| Eagle Ford | 11,738 | -11,402 |
| Buda | — |
9 TOPS · FIRST 8
Stills Unit42-177-34121
0.1 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,975 | -3,629 |
| Wilcox | 4,560 | -4,214 |
| Carrizo | 4,630 | -4,284 |
| Navarro | 9,575 | -9,229 |
| Anacacho | 11,088 | -10,742 |
| Austin Chalk | 11,371 | -11,025 |
| Eagle Ford | 11,701 | -11,355 |
| Edwards | — |
9 TOPS · FIRST 8
Stills Unit42-177-34122
0.1 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,981 | -3,635 |
| Wilcox | 4,566 | -4,220 |
| Carrizo | 4,636 | -4,290 |
| Navarro | 9,581 | -9,235 |
| Anacacho | 11,094 | -10,748 |
| Austin Chalk | 11,383 | -11,037 |
| Eagle Ford | 11,713 | -11,367 |
| Buda | — |
9 TOPS · FIRST 8
Stills Unit42-177-34123
0.2 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,991 | -3,645 |
| Wilcox | 4,576 | -4,230 |
| Carrizo | 4,646 | -4,300 |
| Navarro | 9,591 | -9,245 |
| Anacacho | 11,101 | -10,755 |
| Austin Chalk | 11,386 | -11,040 |
| Eagle Ford | 11,716 | -11,370 |
| Edwards | — |
9 TOPS · FIRST 8
Gahan A42-177-34783
0.2 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 4,066 | -3,722 |
| Wilcox | 4,651 | -4,307 |
| Carrizo | 4,721 | -4,377 |
| Navarro | 9,701 | -9,357 |
| Anacacho | 11,225 | -10,881 |
| Austin Chalk | 11,506 | -11,162 |
| Eagle Ford | 11,734 | -11,390 |
| Buda | — |
9 TOPS · FIRST 8
Gahan C42-177-34785
0.2 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 4,080 | -3,736 |
| Wilcox | 4,665 | -4,321 |
| Carrizo | 4,735 | -4,391 |
| Navarro | 9,710 | -9,366 |
| Anacacho | 11,223 | -10,879 |
| Austin Chalk | 11,507 | -11,163 |
| Eagle Ford | 11,822 | -11,478 |
| Edwards | — |
9 TOPS · FIRST 8
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/17733906, documented in the API reference.