TEXAS · WELLS · GAINES COUNTY · CENTRAL ROBERTSON CLEARFORK UNIT LEASE · API 42-165-36103 · DISTRICT 7B
Central Robertson Clearfork Unit #1331
Gaines County · Robertson N. (Clear Fork 7100) field · Injection · Vertical
Central Robertson Clearfork Unit #1331 (API 42-165-36103) is a well in Gaines County operated by Hilcorp Energy Company, completed July 12, 2005 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued January 14, 2004, permitted to 7,260 ft.
It was permitted by Occidental Permian Ltd. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including San Andres, Glorieta, Clear Fork.
Its lease has reported 19.6M barrels of oil and 7.81M mcf of gas since the record begins in January 1993, last reporting volume in April 2026. The lease carries 154 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 38.5K barrels injected in the 12 months reported through October 2025.
Operator of record
Permitted by Occidental Permian Ltd.; 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
- 3,458
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Occidental Permian EOR, LLCthrough Apr 2026 |
| Latest permit | Occidental Permian Ltd.Jan 14, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,260
- total depth, ft
- 1
- permits on file
- Jan 14, 2004
- last permit issued
- Jul 12, 2005
- completed
- 19.6M
- cumulative oil, bbl
- 7.81M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH APR 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 12, 2005
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 154 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Central Robertson Clearfork Unit O-11-65590 | Robertson, N. (Clear Fork 7100) | Occidental Permian EOR, LLC | 154 | 19.6M | 7.81M | by Jan 1993 – Apr 2026 |
Oil, barrels lease total
Last 12 months 137,440 · prior 12 139,511(-1%)
Gas, mcf lease total
Last 12 months 49,240 · prior 12 64,813(-24%)
Wells named Central Robertson Clearfork Unit
Hilcorp Energy Company's other wells filed under this lease name in Gaines County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Shell Western E&P Inc.Jan 1993 → Feb 1997
- 2Altura Energy Ltd.Mar 1997 → Apr 2000
- 3Occidental Permian Ltd.May 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 540738-99 | Drill | Occidental Permian Ltd. | Jan 14, 2004 | Jan 14, 2004 | Jun 9, 2004 | 7,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 12, 2005 | Central Robertson Clearfork Unit O-11-65590 | Robertson N. (Clear Fork 7100) | Hilcorp Energy Company | Injection | 7,260 |
Formation tops
As filed on W-2/G-1. Subsea from 3,332 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,458 | -1,126 |
| Glorieta | 5,827 | -2,495 |
| Clear ForkCLEARFORK (UPPER) | 6,263 | -2,931 |
| Clear ForkCLEARFORK (LOWER) | 6,983 | -3,651 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,030 | 6,060 | Perforated |
| 6,290 | 6,556 | Perforated |
| 6,806 | 6,836 | Perforated |
| 6,996 | 7,190 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,815 | 12.25 | 600 S |
| 5.5 | 7,260 | 7.875 | 1,700 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 14, 2007 | Feb 5, 2007 | — |
| 00 | Dec 28, 2004 | Oct 27, 2004 | Yes |
| 00 | Nov 9, 2004 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-165-36103 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-165-36103 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its search.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 38.5K
- bbl, last 12 reported months
- 1.33M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000094037 | H-1 Injection | Active | 1,500 | 2,900 | 5,800–7,250 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 38,476 · prior 12 16,693(+130%)
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/16536103, documented in the API reference.