WELL · 42-211-31270 · DISTRICT 10
Campbell J.W. Unit #135
Hemphill County · Mendota Gulch (Granite Wash) field · Vertical
Campbell J.W. Unit #135 (API 42-211-31270) is a well in Hemphill County operated by Lone Tree Oil & Gas LLC, completed December 22, 1980.
The RRC has issued 2 drilling permits between 1980 and 2022, permitted to 11,750 ft.
Completion filings report 3 formation tops, including Marmaton, Granite Wash, St. Clair (Granite Wash).
Its 2 leases have reported 110 barrels of oil and 249K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Greenwood VLG, CO · P-5 Y, filed Feb 4, 2026 · 5 permits on file · (303) 437-0659
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Lone Tree Oil & Gas LLC |
| Production reports | Lone Tree Oil & Gas LLCthrough Apr 2026 |
| Latest permit | Lone Tree Oil & Gas LLCMay 5, 2022 |
- 11,750
- total depth, ft
- 2
- permits on file
- May 5, 2022
- last permit issued
- Dec 22, 1980
- completed
- 110
- cumulative oil, bbl
- 249K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 22, 1980
- Shut in
- —
- Plugged
- —
Surface location
35.795024, -100.500993
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Hemphill 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Campbell, J.W. Unit O-14-9876 | St. Clair (Granite Wash) | Lone Tree Oil & Gas LLC | 1 | 110 | 3 | Jun 2025 – Jul 2026 |
| Campbell, J.W. Unit G-14-93032 | Mendota Gulch (Granite Wash) | Lone Tree Oil & Gas LLC | 1 | 0 | 249K | Jan 1993 – Jun 2025 |
Oil, barrels lease total
Last 12 months 110 · prior 12 0
Gas, mcf lease total
Last 12 months 3 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Kaiser-Francis Oil CompanyJan 1993 → May 2018
- 2Lone Tree Oil & Gas LLCJun 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 879622-99 | Recompletion | Lone Tree Oil & Gas LLC | Apr 29, 2022 | May 5, 2022 | Sep 21, 1980 | 11,670 |
| 93024-99 | Drill | Kaiser-Francis Oil Company | Sep 18, 1980 | Sep 18, 1980 | Sep 21, 1980 | 11,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-93032 | — | — | — | — |
| — | — O-14-9876 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,524 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| MarmatonMARMATON LIME | 9,188 | -6,664 |
| Granite Wash | 9,849 | -7,325 |
| St. Clair (Granite Wash) | 10,027 | -7,503 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,027 | 10,038 | Perforated |
| 10,126 | 10,132 | Perforated |
| 10,160 | 10,170 | Perforated |
| 10,412 | 10,946 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,856 | 12.25 | 2,500 S |
| 2.375 | 10,308 | — | — |
| 5.5 | 11,665 | 7.875 | 500 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 2, 2025 | Aug 18, 2025 | — |
| 00 | Jan 12, 1984 | Mar 18, 1981 | — |
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 42-211-31270 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-31270 → scanned completion filings
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.
Big Country42-211-35666
5.6 KM · Ehvi Exploration, LLC · Section with this well →
| Brown Dolomite | 4,331 | -1,576 |
| Douglas | 7,461 | -4,706 |
| Kansas City | 8,877 | -6,122 |
| Cleveland | 9,268 | -6,513 |
| Pennsylvanian | 10,516 | -7,761 |
| Brownsville | — | |
| Topeka | — | |
| Tonkawa | — |
10 TOPS · FIRST 8
Vollmert, J. C.42-393-31941
6.9 KM · Unit Petroleum Company · Section with this well →
| Brown Dolomite | 3,932 | -1,323 |
| Douglas | 6,847 | -4,238 |
| Kansas City | 8,004 | -5,395 |
| Granite Wash | 9,346 | -6,737 |
| 13 Finger | 10,745 | -8,136 |
| Morrow | 10,823 | -8,214 |
Isaacs E42-211-34295
7.0 KM · Unit Petroleum Company · Section with this well →
| Brown Dolomite | 3,890 | -1,341 |
| Douglas | 6,828 | -4,279 |
| KC | 8,021 | -5,472 |
| Kansas City | 8,021 | -5,472 |
| Marmaton | 8,942 | -6,393 |
| Granite Wash | 9,413 | -6,864 |
| Novi | 10,767 | -8,218 |
| 13 Finger | 10,862 | -8,313 |
9 TOPS · FIRST 8
Little-Pyeatt 30-19 ME WX42-211-35590
7.7 KM · Tecolote Energy Operating, LLC · Section with this well →
| Brown Dolomite | 4,330 | -1,552 |
| Topeka | 6,739 | -3,961 |
| Brownsville | 6,844 | -4,066 |
| Pennsylvanian | 7,274 | -4,496 |
| Douglas | 7,478 | -4,700 |
| Tonkawa | 8,246 | -5,468 |
| Kansas City | 8,834 | -6,056 |
| Cleveland | 9,477 | -6,699 |
10 TOPS · FIRST 8
Vollmert C42-211-34621
7.7 KM · Unit Petroleum Company · Section with this well →
| Brown Dolomite | 3,980 | -1,351 |
| Douglas | 6,916 | -4,287 |
| Kansas City | 8,112 | -5,483 |
| Marmaton | 9,050 | -6,421 |
| Granite Wash | 9,520 | -6,891 |
| Novi | 10,810 | -8,181 |
| 13 Finger | 10,890 | -8,261 |
Vollmert 'C'42-211-34301
8.1 KM · Unit Petroleum Company · Section with this well →
| Brown Dolomite | 3,968 | -1,332 |
| Douglas | 6,878 | -4,242 |
| Kansas City | 8,060 | -5,424 |
| KC | 8,060 | -5,424 |
| Marmaton | 8,985 | -6,349 |
| Granite Wash | 9,450 | -6,814 |
| Novi | 10,712 | -8,076 |
| 13 Finger | 10,790 | -8,154 |
9 TOPS · FIRST 8
Little-Pyeatt 30-19 ME EX42-211-35658
8.3 KM · Blackbeard Operating, LLC · Section with this well →
| Brown Dolomite | 4,230 | -1,531 |
| Douglas | 7,459 | -4,760 |
| Kansas City | 8,817 | -6,118 |
| Cleveland | 9,445 | -6,746 |
| Pennsylvanian | 9,725 | -7,026 |
| Tonkawa | — | |
| Topeka | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Little 30-43 ME EX42-211-35657
8.3 KM · Blackbeard Operating, LLC · Section with this well →
| Brown Dolomite | 4,223 | -1,524 |
| Douglas | 7,415 | -4,716 |
| Cleveland | 7,723 | -5,024 |
| Kansas City | 8,824 | -6,125 |
| Pennsylvanian | 9,960 | -7,261 |
| Oswego | — | |
| Tonkawa | — | |
| Topeka | — |
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/21131270, documented in the API reference.