WELL · 42-501-35192 · DISTRICT 8

Gibson Unit #855

N

Yoakum County · Wasson 72 field  · Vertical

Gibson Unit #855 (API 42-501-35192) is a well in Yoakum County operated by Occidental Permian Ltd., completed March 24, 2017.

The RRC has issued 2 drilling permits (amended once) between 2005 and 2019, permitted to 8,903 ft.

Completion filings report 15 formation tops, including Santa Rosa, Rustler, Yates, Queen.

Its 2 leases have reported 131M barrels of oil and 296M mcf of gas since January 1993, last reporting in July 2026. The leases carry 1,057 wells, so these are lease totals, not this well alone.

Operator of record

Occidental Permian Ltd.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOccidental Permian Ltd.
Production reportsOccidental Permian Ltd.through Apr 2026
Latest permitOccidental Permian Ltd.Jan 10, 2019
8,903
total depth, ft
3
permits on file
Jan 10, 2019
last permit issued
Mar 24, 2017
completed
131M
cumulative oil, bbl
296M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 24, 2017
Shut in
—
Plugged
—

Surface location

33.024175, -102.734844

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Yoakum County.

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 1,057 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Wasson Odc Unit O-11-60000WassonOccidental Permian Ltd.848117M293MJan 1993 – Jul 2026
Gibson Unit O-11-62541Wasson 72Occidental Permian Ltd.20913.2M3.6MJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 1,963,432 · prior 12 2,072,758(-5%)

0100K200K202420252026

Gas, mcf lease total

Last 12 months 2,986,943 · prior 12 3,179,042(-6%)

0200K400K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Amoco Production CompanyJan 1993 → Feb 1997
  2. 2Shell Western E&P Inc.Jan 1993 → Feb 1997
  3. 3Altura Energy Ltd.Mar 1997 → Apr 2000
  4. 4Occidental Permian Ltd.May 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
848514-99RecompletionOccidental Permian Ltd.Jan 9, 2019Jan 10, 2019—5,600
560986-98DrillOccidental Permian Ltd.Jan 26, 2006Apr 26, 2005Sep 27, 20058,903
560986-99DrillOccidental Permian Ltd.Apr 22, 2005Apr 26, 2005Sep 27, 20058,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-60000————
—— O-11-62541————

Formation tops

As filed on W-2/G-1. Subsea from 3,532 ft elevation.Download CSV →

FormationMD ftSubsea
Santa RosaRED BED-SANTA ROSA1,1002,432
Rustler2,3931,139
Yates3,173359
Yates3,175357
Queen3,397135
Seven Rivers3,397135
Grayburg3,956-424
San Andres4,200-668
Glorieta4,378-846
San Andres4,681-1,149
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,703-1,171
Glorieta6,087-2,555
Glorieta6,143-2,611
Clear ForkUPPER CLEARFORK6,385-2,853
Clear ForkCLEARFORK - ACTIVE CO2 FLOOD6,760-3,228
Tubb7,691-4,159
Clear ForkLOWER CLEARFORK7,809-4,277
Leonard——
Pennsylvanian——
Strawn——
Wichita-AlbanyWICHITA——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
5,1605,324Perforated
7,8058,268Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
164026130 S
8.6252,42612.251,150 S
5.58,9037.875375 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 30, 2021Aug 19, 2021—
00Nov 22, 2019Jul 29, 2019—
00May 12, 2017Apr 13, 2017—
00Jun 15, 2006Dec 22, 2005Yes
00Feb 2, 2006——

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Wasson Odc Unit42-501-37134

0.2 KM · Occidental Permian Ltd. · Section with this well →

Santa Rosa1,611
Yates3,169
San Andres4,565
Strawn—
Wichita-Albany—
Wolfcamp—
Clear Fork—
Glorieta—

10 TOPS · FIRST 8

Wasson Odc Unit42-501-37133

0.3 KM · Occidental Permian Ltd. · Section with this well →

Santa Rosa1,581
Rustler2,362
Yates3,163
Queen3,956
Grey4,310
San Andres4,571
Clear Fork—
Glorieta—

10 TOPS · FIRST 8

Wasson Odc Unit42-501-35209

0.3 KM · Occidental Permian Ltd. · Section with this well →

Rustler2,3831,157
Rustler2,4011,139
Seven Rivers3,403137
Queen3,995-455
Grayburg4,383-843
San Andres4,686-1,146
Glorieta6,148-2,608
Glorieta6,148-2,608

10 TOPS · FIRST 8

Wasson Odc Unit42-501-37451

0.5 KM · Occidental Permian Ltd. · Section with this well →

Rustler2,3951,130
Yates3,187338
Grayburg4,395-870
San Andres4,672-1,147
Glorieta—
Clear Fork—
Leonard—
Pennsylvanian—

12 TOPS · FIRST 8

Wasson Odc Unit42-501-37449

0.5 KM · Occidental Permian Ltd. · Section with this well →

Santa Rosa1,350
Rustler2,363
Yates3,151
San Andres4,641
Wolfcamp—
Leonard—
Glorieta—
Clear Fork—

11 TOPS · FIRST 8

Wasson Odc Unit42-501-37450

0.6 KM · Occidental Permian Ltd. · Section with this well →

Rustler2,3701,154
Yates3,175349
Grayburg4,351-827
San Andres4,633-1,109
Wichita-Albany—
Wolfcamp—
Leonard—
Clear Fork—

10 TOPS · FIRST 8

Gibson Unit42-501-37165

0.6 KM · Occidental Permian Ltd. · Section with this well →

Santa Rosa2,0041,542
Yates2,3691,177
San Andres4,608-1,062
Glorieta6,017-2,471
Devonian—
Strawn—
Wolfcamp—
Mississippian—

10 TOPS · FIRST 8

Wasson Odc Unit42-501-37455

0.6 KM · Occidental Permian Ltd. · Section with this well →

Yates3,201318
San Andres4,694-1,175
Pennsylvanian—
Wichita-Albany—
Wolfcamp—
Clear Fork—
Glorieta—
Leonard—

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

87.4K
bbl, last 12 reported months
1.36M
bbl, all reported
Sep 2016
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000095435H-1 InjectionCanceled Jun 27, 20175,0003,2006,750–8,500

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 87,367 · prior 12 138,407(-37%)

05K10K15K20152016

TexNet catalog via USGS

Seismicity near this well

0
M2+ events within 10 km, last 2 years
—
largest

A proximity count, not an attribution. How to read it →

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/50135192, documented in the API reference.