WELL · 42-475-37301 · DISTRICT 8
L Black 88-87 West #11H
Ward County · Phantom (Wolfcamp) field · Producing · Horizontal
L Black 88-87 West #11H (API 42-475-37301) is a horizontal well in Ward County operated by Diamondback E&P LLC, completed June 22, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 18, 2017, permitted to 14,000 ft.
It was permitted by Occidental Permian Ltd. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Rustler, Delaware, Clear Fork, Glorieta.
Its lease has reported 596K barrels of oil and 1.31M mcf of gas since January 2018, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Occidental Permian Ltd.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Occidental Permian Ltd.Sep 18, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 1
- permits on file
- Sep 18, 2017
- last permit issued
- Jun 22, 2018
- completed
- 596K
- cumulative oil, bbl
- 1.31M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 22, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
31.422080, -103.152639
Permit surface location from the RRC GIS record, in Ward County.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| L Black 88-87 West O-10-49851 | Phantom (Wolfcamp) | Diamondback E&P LLC | 2 | 596K | 1.31M | Jan 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 46,142 · prior 12 50,833(-9%)
Gas, mcf lease total
Last 12 months 126,901 · prior 12 195,446(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Occidental Permian Ltd.Jan 2018 → Aug 2021
- 2Colgate Operating, LLCSep 2021 → Dec 2021
- 3Diamondback E&P LLCJan 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 829620-99 | Drill | Occidental Permian Ltd. | Aug 7, 2017 | Sep 18, 2017 | Sep 29, 2017 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-49851 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,585 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 895 | 1,690 |
| Delaware | 5,043 | -2,458 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Holt | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Seven Rivers | — | — |
| Tubb | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,310 | 15,860 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,431 | 17.5 | 1,160 S |
| 9.625 | 10,561 | 12.25 | 1,720 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 | Oct 18, 2018 | Jul 31, 2018 | Yes |
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 42-475-37301 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-37301 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.
A Herring 94-93-5N42-475-37149
0.0 KM · Occidental Permian Ltd. · Section with this well →
| Rustler | 895 | 1,690 |
| Delaware | 5,006 | -2,421 |
| Yates | — | |
| Clear Fork | — | |
| Glorieta | — | |
| Holt | — | |
| Queen | — | |
| San Andres | — |
10 TOPS · FIRST 8
A Herring 94-93 Unit42-475-37244
0.5 KM · Occidental Permian Ltd. · Section with this well →
| Rustler | 896 | 1,692 |
| Delaware | 5,043 | -2,455 |
| Yates | — | |
| Tubb | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Glorieta | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
A Herring 94-93 Unit42-475-37243
0.5 KM · Occidental Permian Ltd. · Section with this well →
| Rustler | 810 | 1,778 |
| Delaware | 5,001 | -2,413 |
| Seven Rivers | — | |
| Yates | — | |
| Clear Fork | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
13 TOPS · FIRST 8
Black D42-475-10881
0.6 KM · Occidental Permian Ltd. · Section with this well →
| Woodford | 14,844 | -12,267 |
| Devonian | 15,217 | -12,640 |
| Ellenburger | 18,301 | -15,724 |
L Black 87-88-2N42-475-37261
1.1 KM · Occidental Permian Ltd. · Section with this well →
| Rustler | 897 | 1,692 |
| Tubb | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
L Black 87-88-3N42-475-37262
1.1 KM · Occidental Permian Ltd. · Section with this well →
| Rustler | 886 | 1,704 |
| Delaware | 4,995 | -2,405 |
| Clear Fork | — | |
| Yates | — | |
| Tubb | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Queen | — |
10 TOPS · FIRST 8
A Herring 94-93 Unit42-475-37144
1.3 KM · Occidental Permian Ltd. · Section with this well →
| Delaware | 5,044 | -2,440 |
| Queen | — | |
| Tubb | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Rustler | — | |
| Yates | — | |
| Holt | — |
10 TOPS · FIRST 8
Aberdeen H42-475-38615
1.3 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 769 | 1,804 |
| Delaware | 5,015 | -2,442 |
| Glorieta | — | |
| Holt | — | |
| Queen | — | |
| San Andres | — | |
| Seven Rivers | — | |
| Capitan | — |
10 TOPS · FIRST 8
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/47537301, documented in the API reference.