WELL · 42-219-36980 · DISTRICT 8
Ratliff 18 #4
Hockley County · Linker (Clear Fork) field · Directional
Ratliff 18 #4 (API 42-219-36980) is a well in Hockley County operated by Great Western Drilling Company, completed May 5, 2007.
The RRC has issued one drilling permit, issued March 2, 2007, permitted to 8,000 ft.
Completion filings report 11 formation tops, including Santa Rosa, Yates, San Andres, Glorieta.
Its 2 leases have reported 4.01M barrels of oil and 505K mcf of gas since November 2005, last reporting in July 2026. The leases carry 37 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 119K barrels injected in the 12 months reported through March 2026.
Operator of record
Great Western Drilling Company
Midland, TX · P-5 Y, filed Feb 7, 2025 · 408 permits on file · (432) 664-6944
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Great Western Drilling Company |
| Production reports | Basin Oil & Gas Operating, LLCthrough Apr 2026 |
| Latest permit | Great Western Drilling CompanyMar 2, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 1
- permits on file
- Mar 2, 2007
- last permit issued
- May 5, 2007
- completed
- 4.01M
- cumulative oil, bbl
- 505K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 5, 2007
- 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 37 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Linker (Lower Clearfork) Unit O-11-70429 | Linker (Clear Fork) | Basin Oil & Gas Operating, LLC | 32 | 3.61M | 411K | Feb 2016 – Jul 2026 |
| Ratliff "18" O-11-68862 | Linker (Clear Fork) | Great Western Drilling Company | 5 | 397K | 93.8K | Nov 2005 – Jun 2016 |
Oil, barrels lease total
Last 12 months 271,785 · prior 12 304,006(-11%)
Gas, mcf lease total
Last 12 months 21,661 · prior 12 30,364(-29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Great Western Drilling CompanyDec 2005 → Oct 2024
- 2Basin Oil & Gas Operating, LLCNov 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 633832-99 | Drill | Great Western Drilling Company | Feb 20, 2007 | Mar 2, 2007 | Mar 14, 2007 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-68862 | — | — | — | — |
| — | — O-11-70429 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,501 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaRED BED-SANTA ROSA | 220 | 3,281 |
| Yates | 2,728 | 773 |
| YatesYATES - OVERPRESSURE, INERT GAS | 2,800 | 701 |
| San Andres | 4,040 | -539 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,120 | -619 |
| Glorieta | 5,490 | -1,989 |
| Clear ForkCLEARFORK | 6,007 | -2,506 |
| Clear ForkCLEARFORK | 6,140 | -2,639 |
| Clear ForkLOWER CLEAR FORK | 6,800 | -3,299 |
| Abo | — | — |
| Canyon | — | — |
| Cisco | — | — |
| Strawn | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,010 | 7,320 | Perforated |
| 7,010 | 7,486 | Perforated |
| 7,356 | 7,486 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,400 | 12.25 | 1,300 S |
| 5.5 | 7,500 | 7.875 | 1,550 S |
| 5.5 | 7,600 | 7.875 | 1,550 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 | Aug 9, 2016 | Jul 22, 2016 | — |
| 00 | Apr 7, 2016 | Aug 23, 2007 | Yes |
| 00 | Sep 6, 2007 | Aug 23, 2007 | Yes |
| 00 | Sep 4, 2007 | — | — |
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 42-219-36980 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-219-36980 → 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
- 119K
- bbl, last 12 reported months
- 1.03M
- bbl, all reported
- Mar 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000112701 | H-1 Injection | Active | 1,000 | 3,445 | 6,964–7,680 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 119,222 · prior 12 112,341(+6%)
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/21936980, documented in the API reference.