WELL · 42-475-35654 · DISTRICT 8
Olson 34-191 #4H
Ward County · Phantom (Wolfcamp) field · Horizontal
Olson 34-191 #4H (API 42-475-35654) is a horizontal well in Ward County operated by Anadarko E&P Onshore LLC, completed June 9, 2011.
The RRC has issued 2 drilling permits between 2010 and 2017, permitted to 16,000 ft.
Completion filings report one formation top, including Bone Spring.
Its 2 leases have reported 319K barrels of oil and 1.09M mcf of gas since April 2011, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Sep 4, 2025 · 4,574 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Onshore LLC |
| Production reports | Anadarko E&P Onshore LLCthrough Apr 2026 |
| Latest permit | Anadarko E&P Onshore LLCJul 19, 2017 |
- 16,000
- total depth, ft
- 2
- permits on file
- Jul 19, 2017
- last permit issued
- Jun 9, 2011
- completed
- 319K
- cumulative oil, bbl
- 1.09M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 9, 2011
- Shut in
- —
- Plugged
- —
Surface location
31.547190, -103.319698
OpenStreetMap → · Google Maps →
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 2 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Olson 34-191 O-10-48665 | Sandbar (Bone Spring) | Anadarko E&P Onshore LLC | 3 | 131K | 309K | Nov 2016 – Jul 2026 |
| Olson 34-191 O-10-41506 | Phantom (Wolfcamp) | Anadarko E&P Onshore LLC | 4 | 188K | 783K | Apr 2011 – Oct 2017 |
Oil, barrels lease total
Last 12 months 5,508 · prior 12 10,479(-47%)
Gas, mcf lease total
Last 12 months 4,883 · prior 12 17,328(-72%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko Petroleum CorporationApr 2011 → Mar 2013
- 2Anadarko E&P Onshore LLCApr 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 826779-99 | Field transfer | Anadarko E&P Onshore LLC | May 16, 2017 | Jul 19, 2017 | Mar 10, 2011 | 16,000 |
| 707096-99 | Drill | Anadarko Petroleum Corporation | Dec 15, 2010 | Dec 22, 2010 | Mar 10, 2011 | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-41506 | — | — | — | — |
| — | — O-10-48665 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,682 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bone SpringBONE SPRING 1 | 9,163 | -6,481 |
| Bone SpringBONE SPRING 2 | 9,768 | -7,086 |
| Bone SpringBONE SPRING 3 | 10,727 | -8,045 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,375 | 14,689 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,034 | 12.25 | 1,775 S |
| 7 | 11,124 | 8.75 | 1,010 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 | Jul 26, 2017 | Jul 20, 2017 | Yes |
| 00 | Oct 30, 2012 | Aug 12, 2011 | 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 42-475-35654 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-35654 → 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 neighbours, subsea-aligned so they line up regardless of surface terrain.
Empanada 34-191 Unit42-475-37440
0.2 KM · Anadarko E&P Onshore LLC · Section with this well →
| Rustler | 716 | 1,964 |
| Delaware | 4,958 | -2,278 |
| Seven Rivers | — | |
| Yates | — | |
| Tubb | — | |
| Clear Fork | — | |
| Glorieta | — | |
| Holt | — |
10 TOPS · FIRST 8
Empanada 34-191 Unit42-475-37318
0.2 KM · Anadarko E&P Onshore LLC · Section with this well →
| Delaware | 4,963 | -2,287 |
| Rustler | — | |
| San Andres | — | |
| Seven Rivers | — | |
| Tubb | — | |
| Yates | — | |
| Queen | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
Happy Hippo42-475-38414
0.3 KM · Seaboard Operating Co. · Section with this well →
| Rustler | 1,150 | 1,523 |
| Delaware | 4,946 | -2,273 |
| Ramsey | 4,976 | -2,303 |
| Yates | — | |
| Capitan | — | |
| Glorieta | — | |
| Holt | — | |
| Queen | — |
10 TOPS · FIRST 8
Happy Hippo42-475-38097
0.4 KM · Seaboard Operating Co. · Section with this well →
| Rustler | 1,150 | 1,525 |
| Delaware | 4,930 | -2,255 |
| Seven Rivers | — | |
| Glorieta | — | |
| Holt | — | |
| Queen | — | |
| San Andres | — | |
| Yates | — |
10 TOPS · FIRST 8
Olson 34-19142-475-35647
0.4 KM · Anadarko Petroleum Corporation · Section with this well →
| Bone Spring | 9,138 | -6,458 |
| Bone Spring | 9,817 | -7,137 |
| Bone Spring | 10,662 | -7,982 |
Happy Hippo42-475-37616
0.6 KM · Seaboard Operating Co. · Section with this well →
| Rustler | 350 | 2,320 |
| Delaware | 4,964 | -2,294 |
| Queen | — | |
| San Andres | — | |
| Seven Rivers | — | |
| Tubb | — | |
| Yates | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
Happy Hippo42-475-38206
0.7 KM · Seaboard Operating Co. · Section with this well →
| Rustler | 1,150 | 1,516 |
| Lamar | 4,912 | -2,246 |
| Bell Canyon | 4,940 | -2,274 |
| Holt | — | |
| Glorieta | — | |
| Capitan | — | |
| San Andres | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
Olson 34-19142-475-35639
0.8 KM · Anadarko Petroleum Corporation · Section with this well →
| Bone Spring | 9,138 | -6,455 |
| Bone Spring | 9,738 | -7,055 |
| Bone Spring | 10,739 | -8,056 |
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/47535654, documented in the API reference.