WELL · 42-355-01268 · DISTRICT 4
Blacknall, J. C. #8
Nueces County · Vertical
Blacknall, J. C. #8 (API 42-355-01268) is a permitted well in Nueces County filed by Synergy Oil & Gas, Inc. (A); no completion report is on file yet.
The RRC has issued 10 drilling permits (amended once) between 1978 and 1999, permitted to 7,015 ft.
Its 7 leases have reported 40.4K barrels of oil and 117K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Oct 5, 2001 · 84 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | XOG Operating LLCthrough Feb 2013 |
| Latest permit | Synergy Oil & Gas, Inc. (A)Apr 9, 1999 |
- 7,015
- total depth, ft
- 11
- permits on file
- Apr 9, 1999
- last permit issued
- —
- completed
- 40.4K
- cumulative oil, bbl
- 117K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
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 7 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blacknall, J. C. G-4-168545 | Turkey Creek (5370) | XOG Operating LLC | 1 | 0 | 15.7K | May 1998 – Jul 2026 |
| Blacknall, J. C. O-4-12876 | Turkey Creek (4600) | XOG Operating LLC | 1 | 37.2K | 1.25K | Oct 1999 – Jul 2026 |
| Blacknall, J. C. G-4-173987 | Turkey Creek (4600) | Synergy Oil & Gas, Inc. (A) | 1 | 0 | 5.83K | Jul 1999 – Oct 1999 |
| Blacknall, J. C. G-4-163850 | Turkey Creek (Sinton 3RD) | Synergy Oil & Gas, Inc. (A) | 1 | 0 | 9.93K | Jul 1997 – Jul 1998 |
| Blacknall, J.C. O-4-12553 | Viola (6200) | Synergy Oil & Gas, Inc. (A) | 1 | 3.22K | 2.98K | Apr 1996 – Oct 1997 |
| Blacknall, J. C. G-4-140433 | Viola (6200) | Synergy Oil & Gas, Inc. (A) | 1 | 0 | 81.7K | Jan 1993 – Sep 1996 |
| — G-4-132234 | — | — | 0 | 0 | 0 | — |
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.
- 1Fina Oil & Chemical CompanyJan 1993 → May 1994
- 2Synergy Production CompanyJun 1994 → Jan 1996
- 3Synergy Oil & Gas, Inc. (A)Feb 1996 → Aug 2001
- 4Penn Virginia Oil & Gas Corp.Sep 2001 → Apr 2002
- 5Xeric Oil & Gas CorporationMay 2002 → Jun 2005
- 6XOG Operating LLCJul 2005 → Feb 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 483703-99 | Recompletion | Synergy Oil & Gas, Inc. (A) | Apr 6, 1999 | Apr 9, 1999 | Jul 21, 1999 | 7,015 |
| 471236-99 | Recompletion | Synergy Oil & Gas, Inc. (A) | Dec 15, 1997 | Jan 12, 1998 | May 12, 1998 | 7,015 |
| 462509-99 | Recompletion | Synergy Oil & Gas, Inc. (A) | May 16, 1997 | May 22, 1997 | Jul 21, 1997 | 7,015 |
| 376602-99 | Recompletion | Fina Oil & Chemical Company | Aug 14, 1990 | Aug 20, 1990 | Nov 15, 1991 | 7,015 |
| 355132-98 | Recompletion | Fina Oil & Chemical Company | Oct 3, 1989 | Jan 12, 1989 | — | 7,015 |
| 355132-99 | Recompletion | Fina Oil & Chemical Company | Jan 12, 1989 | Jan 12, 1989 | — | 7,015 |
| 139981-99 | Recompletion | Tenneco Oil Co. | Nov 6, 1981 | Nov 6, 1981 | — | 7,015 |
| 137514-99 | Recompletion | Tenneco Oil Co. | Oct 21, 1981 | Oct 21, 1981 | — | 7,015 |
| 119284-99 | Recompletion | Tenneco Oil Co. | May 22, 1981 | May 22, 1981 | — | 7,015 |
| 61992-99 | Recompletion | Tenneco Oil Co. | Oct 26, 1979 | Oct 26, 1979 | — | 7,015 |
| 31067-99 | Recompletion | Tenneco Oil Co. | Aug 22, 1978 | Aug 22, 1978 | — | 7,015 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-132234 | — | — | — | — |
| — | — G-4-140433 | — | — | — | — |
| — | — G-4-163850 | — | — | — | — |
| — | — G-4-168545 | — | — | — | — |
| — | — G-4-173987 | — | — | — | — |
| — | — O-4-12553 | — | — | — | — |
| — | — O-4-12876 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,618 | 4,626 | Perforated |
| 5,120 | 5,134 | Perforated |
| 5,617 | 5,623 | Perforated |
| 5,744 | 5,748 | Perforated |
| 5,800 | 5,803 | Perforated |
| 6,073 | 6,083 | Perforated |
| 6,188 | 6,191 | Perforated |
| — | 4,714 | Perforated |
| — | 6,121 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 62 | — | — |
| 7 | 230 | 9.875 | 700 S |
| 10.75 | 1,055 | 15 | 550 S |
| 10.75 | 1,055 | — | 550 S |
| 2 | 5,682 | — | — |
| 2 | 6,000 | — | — |
| 7 | 7,000 | 9.875 | 1,015 S |
| 7 | 7,000 | — | — |
| 10.75 | 10,055 | — | — |
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 | Dec 20, 1999 | Nov 8, 1999 | — |
| 00 | Dec 9, 1999 | — | — |
| 00 | Sep 20, 1999 | Aug 27, 1999 | Yes |
| 00 | Sep 2, 1999 | — | — |
| 00 | Jul 14, 1998 | Jun 12, 1998 | Yes |
| 00 | Jun 30, 1998 | — | — |
| 00 | Sep 23, 1997 | Aug 1, 1997 | Yes |
| 00 | Aug 12, 1997 | — | — |
| 00 | Jul 31, 1996 | Apr 22, 1996 | — |
| 00 | May 28, 1996 | — | — |
| 00 | Mar 9, 1992 | Jan 13, 1992 | Yes |
| 00 | Feb 5, 1992 | — | — |
| 00 | Jan 4, 1990 | Oct 20, 1989 | Yes |
| 00 | Nov 3, 1989 | — | — |
| 00 | Jan 12, 1984 | Sep 14, 1981 | — |
| 00 | Jan 12, 1984 | Dec 7, 1979 | — |
| 00 | Jan 12, 1984 | Sep 12, 1978 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-355-01268 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-01268 → 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/35501268, documented in the API reference.