WELL · 42-297-35133 · DISTRICT 2
Three Sisters 01 #09H
Live Oak County · Sugarkane (Eagle Ford) field · Horizontal
Three Sisters 01 #09H (API 42-297-35133) is a horizontal well in Live Oak County operated by Marathon Oil EF LLC, completed August 12, 2019.
The RRC has issued one drilling permit, issued April 21, 2012, permitted to 21,000 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Marathon Oil EF LLC on the wellbore schedule.
Completion filings report 13 formation tops, including Carrizo, Wilcox, Midway, Austin Chalk.
Its 2 leases have reported 2.4M barrels of oil and 10.9M mcf of gas since July 2012, last reporting in July 2026. The leases carry 13 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; 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 Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Apr 21, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 21,000
- total depth, ft
- 1
- permits on file
- Apr 21, 2012
- last permit issued
- Aug 12, 2019
- completed
- 2.4M
- cumulative oil, bbl
- 10.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 12, 2019
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 13 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Three Sisters 01 O-2-11430 | Sugarkane (Eagle Ford) | Marathon Oil EF LLC | 12 | 2.4M | 9.82M | Sep 2017 – Jul 2026 |
| Three Sisters 01 G-2-267708 | Sugarkane (Eagle Ford) | Ensign Operating LLC | 1 | 0 | 1.03M | Jul 2012 – Oct 2022 |
Oil, barrels lease total
Last 12 months 63,340 · prior 12 104,249(-39%)
Gas, mcf lease total
Last 12 months 390,416 · prior 12 550,109(-29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Jul 2012 → Sep 2019
- 2Ensign Operating LLCOct 2019 → Feb 2023
- 3Marathon Oil EF LLCMar 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 737798-99 | Drill | Pioneer Natural Res. USA, Inc. | Apr 9, 2012 | Apr 21, 2012 | May 13, 2012 | 21,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-267708 | — | — | — | — |
| — | — O-2-11430 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 175 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CarrizoCARRIZO/WILCOX | 4,879 | -4,704 |
| Wilcox | 4,879 | -4,704 |
| Midway | 7,938 | -7,763 |
| Austin Chalk | 12,027 | -11,852 |
| Eagle FordEAGLE FORD - H2S | 12,252 | -12,077 |
| Top Egfd | 12,252 | -12,077 |
| Top Egfd | 12,552 | -12,377 |
| Cook Mountain | — | — |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| Hockley - Disposal | — | — |
| JacksonJACKSON-YEGUA - DISPOSAL | — | — |
| Queen City | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,570 | 17,451 | Perforated |
| 12,662 | 17,274 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 672 | 17.5 | 765 S |
| 9.625 | 8,204 | 12.25 | 1,765 S |
| 5.5 | 17,941 | 8.5 | 1,790 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 18, 2023 | Dec 1, 2023 | — |
| 00 | Mar 31, 2023 | Dec 5, 2022 | — |
| 00 | Nov 15, 2019 | Aug 16, 2019 | — |
| 00 | May 16, 2013 | Sep 29, 2012 | 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 42-297-35133 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-297-35133 → 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/29735133, documented in the API reference.