WELL · 42-427-34190 · DISTRICT 4
JFB Heard Estate #1
Starr County · Wildcat field · Vertical
Jfb Heard Estate #1 (API 42-427-34190) is a plugged well in Starr County, plugged December 11, 2009, last operated by Shell Western E&P.
The RRC has issued 2 drilling permits between 2007 and 2021, permitted to 20,000 ft.
It was permitted by Sage Geosystems LLC and has since transferred to Shell Western E&P on the wellbore schedule.
Completion filings report 2 formation tops, including Vicksburg, Vicksburgu.
Operator of record
Permitted by Sage Geosystems LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 1,756 permits on file · (713) 454-3197
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shell Western E&P |
| Production reports | none |
| Latest permit | Sage Geosystems LLCJun 14, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 20,000
- total depth, ft
- 2
- permits on file
- Jun 14, 2021
- last permit issued
- Mar 14, 2008
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 14, 2008
- Shut in
- —
- Plugged
- Dec 11, 2009
Surface location
26.576183, -98.567087
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Starr 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 |
|---|---|---|---|---|---|---|
| JFB Heard Estate G-4-293805 | Wildcat | Sage Geosystems Inc. | 1 | 0 | 0 | May 2022 – Jul 2026 |
| JFB Heard Estate G-4-237535 | Wildcat | Shell Western E&P | 1 | 0 | 0 | Mar 2008 – Dec 2009 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 870218-99 | Reenter | Sage Geosystems LLC | Jun 2, 2021 | Jun 14, 2021 | Nov 19, 2021 | 19,300 |
| 649237-99 | Drill | Shell Western E&P | Nov 8, 2007 | Nov 14, 2007 | Dec 9, 2007 | 20,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-237535 | — | — | — | — |
| — | — G-4-293805 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,520 | 8,530 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| — | 2,500 | 20 | 1,735 S |
| 9.625 | 7,163 | 10.625 | 591 S |
| 11.75 | 7,500 | 14.75 | 1,450 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 | Jan 31, 2023 | Oct 28, 2022 | Yes |
| 00 | Aug 21, 2008 | May 19, 2008 | Yes |
| 00 | Aug 2, 2008 | — | — |
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 42-427-34190 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34190 → 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.
Coates 55342-427-33282
2.0 KM · Texas Independent Explor., Inc. · Section with this well →
| Frio | 4,220 | -3,883 |
| Vicksburg | 4,830 | -4,493 |
| First Rincon | 5,930 | -5,593 |
| VX II | 6,700 | -6,363 |
Cameron-State42-427-34816
2.1 KM · Dahco Operating, LLC · Section with this well →
| Miocene (undifferentiated) | 1,030 | -588 |
| Catahoula | 1,950 | -1,508 |
| Catahoula | 4,034 | -3,592 |
| Vicksburg | 5,170 | -4,728 |
| Yegua | — | |
| Queen City | — | |
| Jackson | — | |
| Wilcox | — |
9 TOPS · FIRST 8
Martinez B42-427-32856
2.8 KM · Samedan Oil Corporation · Section with this well →
| Jackson | 190 | 260 |
| Miocene (undifferentiated) | 650 | -200 |
| Vicksburg | 700 | -250 |
| Catahoula | 970 | -520 |
| Catahoula | 1,200 | -750 |
| Yegua | 1,800 | -1,350 |
| Queen City | 2,300 | -1,850 |
| VICKSBURG5200 | 5,177 | -4,727 |
11 TOPS · FIRST 8
Martinez B42-427-33369
3.1 KM · Samedan Oil Corporation · Section with this well →
| Jackson | 190 | 262 |
| Miocene (undifferentiated) | 650 | -198 |
| Vicksburg | 700 | -248 |
| Catahoula | 970 | -518 |
| Catahoula | 1,200 | -748 |
| Yegua | 1,800 | -1,348 |
| Queen City | 2,300 | -1,848 |
| Cook Mountain | 2,300 | -1,848 |
14 TOPS · FIRST 8
Saenz, M. -State42-427-31950
3.7 KM · Sun Expl. & Prod. Co.-Corpus · Section with this well →
| Vicksburg | 5,975 | -5,537 |
| Vicksburg | 6,022 | -5,584 |
| Vicksburg | 6,144 | -5,706 |
Martinez B42-427-33080
3.7 KM · Samedan Oil Corporation · Section with this well →
| P-1A | 3,434 | -2,990 |
| F-6 | 4,332 | -3,888 |
| Top Rincon | 5,666 | -5,222 |
| VICKSBURG6700 | 6,818 | -6,374 |
M. Saenz State42-427-34775
3.9 KM · Killam Oil Co., Ltd. · Section with this well →
| Catahoula | 1,330 | -886 |
| Catahoula | 2,937 | -2,493 |
| Vicksburg | 4,928 | -4,484 |
| Jackson | — | |
| Cook Mountain | — | |
| Yegua | — | |
| Miocene (undifferentiated) | — | |
| Queen City | — |
9 TOPS · FIRST 8
Garza, A. M. State42-427-33303
4.3 KM · Shell Western E&P · Section with this well →
| VX S Upper | 6,710 | -6,276 |
| VX V | 7,028 | -6,594 |
| Vicksburg | 7,270 | -6,836 |
| Vicksburgv | 7,270 | -6,836 |
| VX W | 7,567 | -7,133 |
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/42734190, documented in the API reference.