WELL · 42-255-35898 · DISTRICT 1
Thomas Crozier Unit #9H
Karnes County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Thomas Crozier Unit #9H (API 42-255-35898) is a horizontal well in Karnes County operated by Eog Resources Inc., completed June 10, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 17, 2018, permitted to 11,807 ft.
Completion filings report 11 formation tops, including Frio, Yegua, Queen City, Reklaw.
Its 2 leases have reported 1.53M barrels of oil and 3.38M mcf of gas since June 2012, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,348
- Phone
- (713) 651-7000
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.Apr 17, 2018 |
- 11,807
- total depth, ft
- 1
- permits on file
- Apr 17, 2018
- last permit issued
- Jun 10, 2018
- completed
- 1.53M
- cumulative oil, bbl
- 3.38M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 10, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
29.138914, -97.643922
Permit surface location from the RRC GIS record, in Karnes County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thomas Crozier Unit G-1-296364 | Eagleville (Eagle Ford-1) | EOG Resources, Inc. | 1 | 0 | 579K | Jun 2018 – Jul 2026 |
| Thomas Crozier Unit O-1-16053 | Eagleville (Eagle Ford-1) | EOG Resources, Inc. | 9 | 1.53M | 2.8M | Jun 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 23,010 · prior 12 26,496(-13%)
Gas, mcf lease total
Last 12 months 63,299 · prior 12 59,557(+6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Jul 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 838463-99 | Drill | EOG Resources, Inc. | Apr 5, 2018 | Apr 17, 2018 | May 2, 2018 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 10, 2018 | Thomas Crozier Unit G-1-296364 | Eagleville (Eagle Ford-1) | EOG Resources Inc. | Producing | 11,807 |
| Jun 10, 2018 | Thomas Crozier Unit O-1-16053 | Eagleville (Eagle Ford-1) | EOG Resources Inc. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 455 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 620 | -165 |
| YeguaYEGUA - DISPOSAL | 1,190 | -735 |
| Queen City | 3,167 | -2,712 |
| Reklaw | 3,475 | -3,020 |
| WilcoxWILCOX - DISPOSAL | 4,028 | -3,573 |
| Anacacho | 10,486 | -10,031 |
| Austin ChalkAUSTIN CHALK - H2S | 10,865 | -10,410 |
| Eagle FordEAGLE FORD - H2S | 11,274 | -10,819 |
| Carrizo | — | — |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,702 | 17,820 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,634 | 12.25 | 775 S |
| 6 | 17,885 | 8.5 | 2,170 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 1, 2024 | Jan 29, 2024 | Yes |
| 00 | Oct 24, 2018 | Jul 20, 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 42-255-35898 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-35898 → 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.
Thomas Unit42-255-35899
0.0 KM · EOG Resources, Inc. · Section with this well →
| Frio | 620 | -165 |
| Yegua | 1,190 | -735 |
| Queen City | 3,167 | -2,712 |
| Reklaw | 3,475 | -3,020 |
| Wilcox | 4,028 | -3,573 |
| Austin Chalk | 10,865 | -10,410 |
| Eagle Ford | 11,274 | -10,819 |
| Edwards | — |
10 TOPS · FIRST 8
Diamond A42-177-34641
1.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,468 | -3,063 |
| Wilcox | 4,020 | -3,615 |
| Carrizo | 4,021 | -3,616 |
| Navarro | 8,568 | -8,163 |
| Anacacho | 10,461 | -10,056 |
| Austin Chalk | 10,835 | -10,430 |
| Eagle Ford | 11,243 | -10,838 |
| Edwards | — |
9 TOPS · FIRST 8
Diamond B42-177-34642
1.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,460 | -3,055 |
| Wilcox | 4,012 | -3,607 |
| Carrizo | 4,013 | -3,608 |
| Navarro | 8,567 | -8,162 |
| Anacacho | 10,458 | -10,053 |
| Austin Chalk | 10,837 | -10,432 |
| Eagle Ford | 11,244 | -10,839 |
| Edwards | — |
9 TOPS · FIRST 8
Diamond C42-177-34643
1.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,433 | -3,028 |
| Wilcox | 3,985 | -3,580 |
| Carrizo | 3,986 | -3,581 |
| Navarro | 8,547 | -8,142 |
| Anacacho | 10,498 | -10,093 |
| Austin Chalk | 10,852 | -10,447 |
| Eagle Ford | 11,255 | -10,850 |
| Edwards | — |
9 TOPS · FIRST 8
Diamond D42-177-34644
1.1 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 3,432 | -3,027 |
| Wilcox | 3,984 | -3,579 |
| Carrizo | 3,985 | -3,580 |
| Navarro | 8,605 | -8,200 |
| Anacacho | 10,511 | -10,106 |
| Austin Chalk | 10,870 | -10,465 |
| Eagle Ford | 11,263 | -10,858 |
| Buda | — |
9 TOPS · FIRST 8
Cooper Unit42-255-36435
1.6 KM · EOG Resources, Inc. · Section with this well →
| Frio | 500 | -25 |
| Yegua | 2,310 | -1,835 |
| Queen City | 3,455 | -2,980 |
| Reklaw | 3,924 | -3,449 |
| Wilcox | 4,707 | -4,232 |
| Carrizo | 4,772 | -4,297 |
| Anacacho | 10,952 | -10,477 |
| Austin Chalk | 11,175 | -10,700 |
11 TOPS · FIRST 8
Cooper Unit42-255-36434
1.6 KM · EOG Resources, Inc. · Section with this well →
| Frio | 500 | -25 |
| Yegua | 2,337 | -1,862 |
| Queen City | 3,482 | -3,007 |
| Reklaw | 3,951 | -3,476 |
| Wilcox | 4,734 | -4,259 |
| Carrizo | 4,799 | -4,324 |
| Anacacho | 10,808 | -10,333 |
| Austin Chalk | 11,139 | -10,664 |
10 TOPS · FIRST 8
Cooper Unit42-255-36433
1.6 KM · EOG Resources, Inc. · Section with this well →
| Frio | 500 | -25 |
| Yegua | 2,319 | -1,844 |
| Queen City | 3,464 | -2,989 |
| Reklaw | 3,933 | -3,458 |
| Wilcox | 4,716 | -4,241 |
| Carrizo | 4,781 | -4,306 |
| Anacacho | 10,822 | -10,347 |
| Austin Chalk | 11,184 | -10,709 |
10 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/25535898, documented in the API reference.