TEXAS · WELLS · REEVES COUNTY · RAIL SPLITTER LEASE · API 42-389-33785 · DISTRICT 7B
Rail Splitter #103H
Reeves County · Wolfbone (Trend Area) field · Producing · Horizontal
Rail Splitter #103H (API 42-389-33785) is a horizontal well in Reeves County operated by U.S. Energy Development Corp, completed September 21, 2013 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 22, 2013, permitted to 10,691 ft.
It was permitted by Cog Operating LLC and has since transferred to U.S. Energy Development Corp on the wellbore schedule.
Completion filings report 4 formation tops, including Rustler, Tos, Bone Spring, Wolfcamp.
Its lease has reported 1.02M barrels of oil and 1.84M mcf of gas since September 2013, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by COG Operating LLC; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 18, 2026
- Permits on file
- 225
- Phone
- (682) 305-2868
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | U.S. Energy Development Corp |
| Production reports | U.S. Energy Development Corpthrough Apr 2026 |
| Latest permit | COG Operating LLCMay 22, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,691
- total depth, ft
- 1
- permits on file
- May 22, 2013
- last permit issued
- Sep 21, 2013
- completed
- 1.02M
- cumulative oil, bbl
- 1.84M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 21, 2013
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rail Splitter O-10-45045 | Wolfbone (Trend Area) | U.S. Energy Development Corp | 2 | 1.02M | 1.84M | Sep 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 28,662 · prior 12 27,385(+5%)
Gas, mcf lease total
Last 12 months 52,264 · prior 12 47,682(+10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCSep 2013 → Mar 2025
- 2U.S. Energy Development CorpApr 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 762953-99 | Drill | COG Operating LLC | May 17, 2013 | May 22, 2013 | Jul 6, 2013 | 12,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 21, 2013 | Rail Splitter O-10-45045 | Wolfbone (Trend Area) | U.S. Energy Development Corp | Producing | 10,691 |
Formation tops
As filed on W-2/G-1. Subsea from 2,614 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 783 | 1,831 |
| Tos | 1,403 | 1,211 |
| Bone Spring | 8,161 | -5,547 |
| Wolfcamp | 10,621 | -8,007 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,950 | 15,730 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,575 | 17.5 | 1,440 S |
| 9.625 | 10,103 | 12.25 | 1,230 S |
| 5.5 | 15,910 | 8.5 | 1,040 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 5, 2014 | Mar 3, 2014 | 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 42-389-33785 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-33785 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/38933785, documented in the API reference.