WELL · 42-461-31801 · DISTRICT 7
Ratliff #1
Upton County · Spraberry (Trend Area CL. Fk.) field · Vertical
Ratliff #1 (API 42-461-31801) is a plugged well in Upton County, plugged October 30, 2008, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 2 drilling permits between 1981 and 2002, permitted to 8,500 ft.
It was permitted by Mid-States Operating Company and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Jo Mill, Dean.
Its 2 leases have reported 15K barrels of oil and 14.8K mcf of gas since January 1993, last reporting in December 2008. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mid-States Operating Company; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Mid-States Operating Companythrough Feb 2004 |
| Latest permit | Mid-States Operating CompanySep 24, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 2
- permits on file
- Sep 24, 2002
- last permit issued
- May 30, 2002
- completed
- 15K
- cumulative oil, bbl
- 14.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 30, 2002
- Shut in
- —
- Plugged
- Oct 30, 2008
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ratliff O-9-15304 | Spraberry (Trend Area CL. Fk.) | Pioneer Natural Res. USA, Inc. | 1 | 859 | 0 | Jun 2002 – Dec 2008 |
| Ratliff O-9-9125 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 2 | 14.1K | 14.8K | Jan 1993 – Feb 2008 |
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.
- 1Hallwood Energy CorporationJan 1993 → Oct 1993
- 2BC Operating, Inc.Nov 1993 → Feb 1998
- 3Mid-States Operating CompanyJun 2002 → Feb 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 523859-99 | Recompletion | Mid-States Operating Company | Sep 19, 2002 | Sep 24, 2002 | May 21, 2002 | 8,476 |
| 128495-99 | Drill | Saxon Oil Company | Jul 31, 1981 | Jul 31, 1981 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-9125 | — | — | — | — |
| — | — O-9-15304 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,697 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,116 | -3,419 |
| SpraberryUPPER SPRABERRY | 6,823 | -4,126 |
| Jo Mill | 7,676 | -4,979 |
| Dean | 8,219 | -5,522 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,390 | 6,534 | Perforated |
| 6,823 | 8,386 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 520 | 11 | 450 S |
| 8.625 | 520 | 12.25 | 450 S |
| 2.375 | 7,988 | — | — |
| 4.5 | 8,476 | 7.875 | 700 S |
| 4.5 | 8,476 | 8.5 | 700 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 | Feb 4, 2003 | Sep 9, 2002 | Yes |
| 00 | Nov 20, 2002 | — | — |
| 00 | Jan 12, 1984 | Oct 20, 1981 | — |
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 42-461-31801 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31801 → 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/46131801, documented in the API reference.