WELL · 42-503-40660 · DISTRICT 9
Clark Estate B 6 #6B
Young County · Karran North (Marble Falls) field · NO Production · Vertical
Clark Estate B 6 #6B (API 42-503-40660) is a well in Young County operated by Karper Oil & Gas Corporation, completed June 15, 1995 and listed as no production on the RRC schedule.
The RRC has issued one drilling permit, issued May 11, 1995, permitted to 4,999 ft.
It was permitted by Karper Company, The and has since transferred to Karper Oil & Gas Corporation on the wellbore schedule.
Completion filings report 3 formation tops, including Palo Pinto, Capps, Mclester.
Its lease has reported 65.6K barrels of oil and 772K mcf of gas since June 1995, last reporting in July 2026.
Operator of record
Permitted by Karper Company, The; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed Sep 4, 2025 · 18 permits on file · (940) 229-1786
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Karper Oil & Gas Corporation |
| Production reports | Karper Oil & Gas Corporationthrough Feb 2026 |
| Latest permit | Karper Company, TheMay 11, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 1
- permits on file
- May 11, 1995
- last permit issued
- Jun 15, 1995
- completed
- 65.6K
- cumulative oil, bbl
- 772K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 15, 1995
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clark Estate "B" 6 O-13-28978 | Karran, North (Marble Falls) | Karper Oil & Gas Corporation | 1 | 65.6K | 772K | Jun 1995 – Jul 2026 |
Gas, mcf lease total
Last 12 months 4,914 · prior 12 3,318(+48%)
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Karper Company, TheJun 1995 → Feb 2003
- 2Karper Oil & Gas CorporationMar 2003 → Feb 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 435689-99 | Drill | Karper Company, The | May 10, 1995 | May 11, 1995 | May 22, 1995 | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-28978 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,220 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Palo Pinto | 1,504 | -284 |
| Capps | 2,026 | -806 |
| McLester | 3,860 | -2,640 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,358 | 4,368 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 176 | 10.75 | 110 S |
| 4.5 | 4,470 | 7.875 | 210 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 | Jun 27, 1995 | Jun 19, 1995 | Yes |
| 00 | Jun 22, 1995 | — | — |
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 42-503-40660 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-503-40660 → 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.
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/50340660, documented in the API reference.