WELL · 42-297-36092 · DISTRICT 2
San Christoval Ranch Unit A #12H
Live Oak County · Sugarkane (Eagle Ford) field · Horizontal
San Christoval Ranch Unit A #12H (API 42-297-36092) is a horizontal well in Live Oak County operated by Marathon Oil EF LLC, completed June 5, 2021.
The RRC has issued one drilling permit, issued July 22, 2020, permitted to 22,000 ft.
Completion filings report 11 formation tops, including Hockley, Hockley - Disposal, Jackson, Cook Mountain.
Its 2 leases have reported 2.06M barrels of oil and 8.12M mcf of gas since April 2014, last reporting in July 2026. The leases carry 12 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Marathon Oil EF LLCthrough Apr 2026 |
| Latest permit | Marathon Oil EF LLCJul 22, 2020 |
- 22,000
- total depth, ft
- 1
- permits on file
- Jul 22, 2020
- last permit issued
- Jun 5, 2021
- completed
- 2.06M
- cumulative oil, bbl
- 8.12M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 5, 2021
- Shut in
- —
- Plugged
- —
Surface location
28.753449, -98.088776
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Live Oak 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 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| San Christoval Ranch Unit A G-2-295438 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 1 | 0 | 752K | Feb 2021 – Jul 2026 |
| San Christoval Ranch Unit A O-2-10836 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 11 | 2.06M | 7.37M | Apr 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 39,454 · prior 12 32,310(+22%)
Gas, mcf lease total
Last 12 months 201,509 · prior 12 233,740(-14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCApr 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 864341-99 | Drill | Marathon Oil EF LLC | Jul 20, 2020 | Jul 22, 2020 | Jan 22, 2021 | 22,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-295438 | — | — | — | — |
| — | — O-2-10836 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 395 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Hockley | 507 | -112 |
| Hockley - Disposal | 507 | -112 |
| JacksonJACKSON-YEGUA | 1,130 | -735 |
| JacksonJACKSON-YEGUA - DISPOSAL | 1,130 | -735 |
| Cook Mountain | 2,176 | -1,781 |
| Queen City | 3,369 | -2,974 |
| Wilcox | 5,693 | -5,298 |
| Austin Chalk | 11,167 | -10,772 |
| Eagle FordEAGLE FORD - H2S | 11,286 | -10,891 |
| EdwardsEDWARDS - H2S | — | — |
| Frio | — | — |
| FrioFRIO - DISPOSAL | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,602 | 17,533 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,704 | 12.25 | 1,680 S |
| 9.625 | 5,757 | 12.25 | 1,680 S |
| 5.5 | 17,533 | 8.75 | 3,141 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 | Sep 7, 2023 | Aug 31, 2023 | Yes |
| 00 | Jul 14, 2021 | Jun 30, 2021 | — |
| 00 | Apr 27, 2021 | Mar 18, 2021 | Yes |
| 00 | Jan 5, 2021 | Dec 10, 2020 | 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 42-297-36092 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-297-36092 → 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.
San Christoval Ranch Unit A42-297-36091
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Hockley - Disposal | 507 | -112 |
| Jackson | 1,130 | -735 |
| Cook Mountain | 2,176 | -1,781 |
| Queen City | 3,369 | -2,974 |
| Wilcox | 5,693 | -5,298 |
| Austin Chalk | 11,170 | -10,775 |
| Eagle Ford | 11,287 | -10,892 |
| Edwards | — |
10 TOPS · FIRST 8
San Christoval Ranch Unit A42-297-36090
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Hockley - Disposal | 507 | -112 |
| Jackson | 1,130 | -735 |
| Cook Mountain | 2,176 | -1,781 |
| Queen City | 3,369 | -2,974 |
| Wilcox | 5,693 | -5,298 |
| Austin Chalk | 11,181 | -10,786 |
| Eagle Ford | 11,308 | -10,913 |
| Sligo | — |
10 TOPS · FIRST 8
Gaskin42-297-35942
1.6 KM · Verdun Oil & Gas LLC · Section with this well →
| Austin Chalk | 10,992 | -10,663 |
| Eagle Ford | 11,127 | -10,798 |
| Edwards | — | |
| Cook Mountain | — | |
| Jackson | — | |
| Queen City | — | |
| Sligo | — | |
| Wilcox | — |
10 TOPS · FIRST 8
Gaskin42-297-35941
1.6 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,203 | -5,874 |
| Austin Chalk | 10,972 | -10,643 |
| Eagle Ford | 11,115 | -10,786 |
| Sligo | — | |
| Queen City | — | |
| Jackson | — | |
| Cook Mountain | — | |
| Frio | — |
10 TOPS · FIRST 8
Soliz Unit A42-297-35955
1.6 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,270 | -5,934 |
| Austin Chalk | 10,985 | -10,649 |
| Eagle Ford | 11,137 | -10,801 |
| Frio | — | |
| Hockley - Disposal | — | |
| Jackson | — | |
| Queen City | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
Soliz Unit A42-297-35956
1.6 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,250 | -5,914 |
| Austin Chalk | 10,996 | -10,660 |
| Eagle Ford | 11,123 | -10,787 |
| Sligo | — | |
| Edwards | — | |
| Frio | — | |
| Hockley - Disposal | — | |
| Jackson | — |
10 TOPS · FIRST 8
Soliz Unit A42-297-35957
1.6 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,397 | -6,062 |
| Austin Chalk | 11,017 | -10,682 |
| Eagle Ford | 11,139 | -10,804 |
| Jackson | — | |
| Hockley - Disposal | — | |
| Frio | — | |
| Edwards | — | |
| Cook Mountain | — |
10 TOPS · FIRST 8
Gaskin South Unit A42-297-36523
1.6 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 41 | 308 |
| Hockley - Disposal | 650 | -301 |
| Jackson | 1,059 | -710 |
| Cook Mountain | 2,287 | -1,938 |
| Queen City | 3,188 | -2,839 |
| Wilcox | 4,631 | -4,282 |
| Austin Chalk | 11,059 | -10,710 |
| Eagle Ford | 11,145 | -10,796 |
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/29736092, documented in the API reference.