WELL · 42-057-31239 · DISTRICT 2
Knipling Gas Unit #4
Calhoun County · Vertical
Knipling Gas Unit #4 (API 42-057-31239) is a permitted well in Calhoun County filed by Xeric Oil & Gas Corporation; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1983 and 2002, permitted to 9,300 ft.
Completion filings report 3 formation tops, including Anahuac, Anavahac, Frio.
Its 2 leases have reported 16.9K barrels of oil and 78.1K mcf of gas since January 1993, last reporting in November 2024. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed May 6, 2005 · 39 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | XOG Operating LLCthrough Jul 2008 |
| Latest permit | Xeric Oil & Gas CorporationDec 23, 2002 |
- 9,300
- total depth, ft
- 4
- permits on file
- Dec 23, 2002
- last permit issued
- —
- completed
- 16.9K
- cumulative oil, bbl
- 78.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 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 |
|---|---|---|---|---|---|---|
| Knipling Gas Unit O-2-8935 | Sheriff, East (8000) | XOG Operating LLC | 1 | 16.9K | 72.1K | Dec 2004 – Nov 2024 |
| Knipling Gas Unit G-2-127375 | Sheriff, East (8348 Frio) | Xeric Oil & Gas Corporation | 1 | 0 | 5.98K | Jan 1993 – Dec 2004 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Synergy Production CompanyMar 1994 → Oct 1994
- 2Xeric Oil & Gas CorporationDec 2004 → Jun 2005
- 3XOG Operating LLCJul 2005 → Jul 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 555332-99 | Recompletion | Xeric Oil & Gas Corporation | Dec 23, 2004 | Dec 23, 2002 | — | 9,300 |
| 433762-99 | Recompletion | Synergy Production Company | Mar 13, 1995 | Mar 13, 1995 | — | 9,300 |
| 343635-99 | Recompletion | Fina Oil & Chemical Company | Mar 8, 1988 | Mar 22, 1988 | — | 9,300 |
| 187863-99 | Drill | American Petrofina Co. of Tex. | Mar 8, 1983 | Mar 8, 1983 | Apr 19, 1983 | 9,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-127375 | — | — | — | — |
| — | — O-2-8935 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 36 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,940 | 7,942 | Perforated |
| 8,348 | 8,353 | Perforated |
| 8,406 | 8,414 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,329 | 12.25 | 470 S |
| 9.625 | 1,329 | 14 | 700 S |
| 5.5 | 9,299 | 8.75 | 950 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 | Apr 18, 2005 | Jan 12, 2005 | Yes |
| 00 | Jan 20, 2005 | — | — |
| 00 | Jun 20, 1988 | Apr 8, 1988 | Yes |
| 00 | Jun 15, 1988 | — | — |
| 00 | Mar 8, 1984 | Oct 6, 1983 | — |
| 00 | Feb 27, 1984 | Oct 6, 1983 | — |
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 42-057-31239 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-057-31239 → 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/05731239, documented in the API reference.