WELL · 42-165-34400 · DISTRICT 8
Robertson /Clearfork/ Unit #5203
Gaines County · Robertson N. (Clear Fork 7100) field · Vertical
Robertson /Clearfork/ Unit #5203 (API 42-165-34400) is a well in Gaines County operated by Hilcorp Energy Company, completed February 4, 1994.
The RRC has issued one drilling permit, issued November 6, 1991, permitted to 7,400 ft.
It was permitted by Exxon Corp. - Midland and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 9 formation tops, including Rustler, Salado, Yates, Seven Rivers.
Its lease has reported 21.5M barrels of oil and 11.5M mcf of gas since January 1993, last reporting in July 2026. The lease carries 486 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 5.56K barrels injected in the 12 months reported through October 2025.
Operator of record
Permitted by Exxon Corp. - Midland; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Exxon Corp. - MidlandNov 6, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,400
- total depth, ft
- 1
- permits on file
- Nov 6, 1991
- last permit issued
- Feb 4, 1994
- completed
- 21.5M
- cumulative oil, bbl
- 11.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 4, 1994
- 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 lease this well is completed on; they carry 486 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Robertson /Clearfork/ Unit O-11-60580 | Robertson, N. (Clear Fork 7100) | Hilcorp Energy Company | 486 | 21.5M | 11.5M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 386,871 · prior 12 131,708(+194%)
Gas, mcf lease total
Last 12 months 202,115 · prior 12 74,205(+172%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Dec 2011
- 3XTO Energy Inc.Jan 2012 → Mar 2025
- 4Hilcorp Energy CompanyApr 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 393557-99 | Drill | Exxon Corp. - Midland | Nov 1, 1991 | Nov 6, 1991 | Dec 1, 1991 | 7,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-60580 | — | — | — | — |
| — | — O-11-60580 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,348 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,778 | 1,570 |
| Salado | 1,903 | 1,445 |
| Yates | 2,874 | 474 |
| Seven Rivers | 3,012 | 336 |
| San Andres | 4,461 | -1,113 |
| San Andres | 4,543 | -1,195 |
| Glorieta | 5,662 | -2,314 |
| Rob Unit | 5,869 | -2,521 |
| Glorieta | 5,870 | -2,522 |
| Clear ForkUPPER CLEARFORK | 5,968 | -2,620 |
| Clear ForkUPPER CLEARFORK | 6,270 | -2,922 |
| Tubb | 6,847 | -3,499 |
| Clear ForkLOWER CLEARFORK | 6,947 | -3,599 |
| Clear ForkLOWER CLEARFORK | 6,948 | -3,600 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,873 | 7,066 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,680 | 12.25 | 725 S |
| 5.5 | 7,109 | 7.875 | 1,240 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 13, 2015 | Nov 6, 2014 | — |
| 00 | Mar 30, 1994 | Feb 16, 1994 | — |
| 00 | Jan 30, 1992 | Jan 14, 1992 | Yes |
| 00 | Jan 17, 1992 | — | — |
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 42-165-34400 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-165-34400 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 5.56K
- bbl, last 12 reported months
- 1.07M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000080254 | H-1 Injection | Active | 2,000 | 2,500 | 5,700–7,400 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 5,561 · prior 12 13,990(-60%)
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/16534400, documented in the API reference.