WELL · 42-055-34957 · DISTRICT 1
Merriwether #1SW
Caldwell County · Salt Flat (Edwards) field · Injection · Vertical
Merriwether #1SW (API 42-055-34957) is a well in Caldwell County operated by Texian Operating Company LLC, completed October 1, 2011 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued March 23, 2011, permitted to 3,600 ft.
It was permitted by North South Oil, LLC and has since transferred to Texian Operating Company LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Austin Chalk, Eagle Ford, Buda, Del Rio.
Its lease has reported 124K barrels of oil since September 2011, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 3.41M barrels injected in the 12 months reported through August 2025.
Operator of record
Permitted by North South Oil, LLC; the EWA schedule now lists a different operator.
Irving, TX · P-5 Y, filed Apr 4, 2026 · (214) 649-9231
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texian Operating Company LLC |
| Production reports | Team Operating, L.L.C.through Feb 2023 |
| Latest permit | North South Oil, LLCMar 23, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,600
- total depth, ft
- 1
- permits on file
- Mar 23, 2011
- last permit issued
- Oct 1, 2011
- completed
- 124K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 1, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 lease this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Merriwether O-1-15682 | Salt Flat (Edwards) | Texian Operating Company, LLC | 5 | 124K | 0 | Sep 2011 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Eagle Energy Acquisitions LPSep 2011 → Aug 2014
- 2Eagle Hydrocarbons (Texas) Inc.Sep 2014 → Mar 2015
- 3Eagle Hydrocarbons Inc.Apr 2015 → Jan 2018
- 4North South Oil, LLCFeb 2018 → May 2020
- 5Costa Energy, LLCJul 2020 → Sep 2022
- 6Team Operating, L.L.C.Nov 2022 → Feb 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 712390-99 | Drill | North South Oil, LLC | Mar 18, 2011 | Mar 23, 2011 | Aug 28, 2011 | 3,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15682 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 354 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 2,350 | -1,996 |
| Eagle FordEAGLEFORD | 2,556 | -2,202 |
| Buda | 2,590 | -2,236 |
| Del Rio | 2,676 | -2,322 |
| Georgetown | 2,700 | -2,346 |
| EdwardsUPPER EDWARDS | 2,750 | -2,396 |
| Kiamichi | 2,878 | -2,524 |
| EdwardsLOWER EDWARDS | 2,997 | -2,643 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,004 | 3,600 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 875 | 17 | 784 S |
| 13.375 | 883 | 17 | 784 S |
| 9.625 | 3,004 | 12.25 | 939 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 17, 2017 | Jan 12, 2017 | — |
| 00 | Apr 12, 2012 | Dec 15, 2011 | — |
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 42-055-34957 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-055-34957 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 3.41M
- bbl, last 12 reported months
- 44.4M
- bbl, all reported
- Aug 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000103964 | W-14 Disposal | Active | 40,000 | 1,200 | 2,950–3,600 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 3,411,782 · prior 12 3,331,381(+2%)
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/05534957, documented in the API reference.