WELL · 42-165-31638 · DISTRICT 8
Jenkins Unit #4H
Gaines County · Horizontal
Jenkins Unit #4H (API 42-165-31638) is a disposal or injection well in Gaines County operated by Texaco E & P Inc. under an active UIC permit.
The RRC has issued 2 drilling permits between 1979 and 2001, permitted to 5,000 ft.
Completion filings report 6 formation tops, including Rustler, Tansil, Seven Rivers, Queen.
Its 3 leases have reported 3.82M barrels of oil and 1.39M mcf of gas since January 1993, last reporting in July 2026. The leases carry 90 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 41K barrels injected in the 12 months reported through October 2025.
Operator of record
Houston, TX · P-5 Y, filed Oct 4, 2025 · 3,332 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Bce-Mach III LLCthrough Apr 2026 |
| Latest permit | Texaco E & P Inc.Oct 5, 2001 |
- 5,000
- total depth, ft
- 2
- permits on file
- Oct 5, 2001
- last permit issued
- —
- completed
- 3.82M
- cumulative oil, bbl
- 1.39M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 3 leases this well is completed on; they carry 90 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jenkins Unit O-11-71103 | Harris (San Andres) | Bce-Mach III LLC | 38 | 484K | 175K | Mar 2020 – Jul 2026 |
| Jenkins Unit O-11-67164 | Jenkins (San Andres) | Sabinal Energy Operating, LLC | 41 | 3.3M | 1.2M | Dec 1993 – Oct 2020 |
| Jenkins, Sam C. et AL O-11-2952 | Jenkins (San Andres) | Texaco E & P Inc. | 11 | 35.4K | 16K | Jan 1993 – Apr 1994 |
Oil, barrels lease total
Last 12 months 58,448 · prior 12 72,223(-19%)
Gas, mcf lease total
Last 12 months 28,535 · prior 12 27,016(+6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → May 2002
- 2Chevron U. S. A. Inc.Jun 2002 → Sep 2017
- 3Sabinal Energy Operating, LLCOct 2017 → Aug 2025
- 4Bce-Mach III LLCSep 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 514245-99 | Recompletion | Texaco E & P Inc. | Oct 5, 2001 | Oct 5, 2001 | — | 5,000 |
| 50461-99 | Drill | Texaco Inc. | Jun 11, 1979 | Jun 11, 1979 | Jul 12, 1979 | 5,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-2952 | — | — | — | — |
| — | — O-11-67164 | — | — | — | — |
| — | — O-11-71103 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,414 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,793 | 1,621 |
| Tansil | 2,809 | 605 |
| Seven Rivers | 3,180 | 234 |
| Queen | 3,735 | -321 |
| Grayburg | 4,131 | -717 |
| San Andres | 4,508 | -1,094 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,640 | 4,845 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 350 | 17.5 | 375 S |
| 8.625 | 1,800 | 11 | 850 S |
| 2.375 | 4,632 | — | — |
| 5.5 | 5,004 | 7.875 | 1,400 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 | Dec 28, 2022 | Aug 2, 2022 | — |
| 00 | Sep 28, 2020 | Apr 24, 2002 | — |
| 00 | Jun 27, 2002 | Apr 24, 2002 | — |
| 00 | Nov 22, 1993 | Sep 10, 1979 | — |
| 00 | Jan 12, 1984 | Sep 10, 1979 | — |
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 42-165-31638 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-165-31638 → 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
- 41K
- bbl, last 12 reported months
- 1.11M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000092051 | H-1 Injection | Active | 2,000 | 2,000 | 4,600–4,900 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 41,016 · prior 12 46,109(-11%)
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/16531638, documented in the API reference.