WELL · 42-399-35097 · DISTRICT 7
Pendulum B #1
Runnels County · Fennell (Cisco Reef) field · Vertical
Pendulum B #1 (API 42-399-35097) is a well in Runnels County operated by Horizon Exploration Services, completed May 1, 2008.
The RRC has issued one drilling permit, issued January 31, 2008, permitted to 3,100 ft.
Completion filings report 4 formation tops, including Breckenridge, King Sand, Gunsite, Cisco.
Its 2 leases have reported 11.2K barrels of oil since May 2008, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
EL Paso, TX · P-5 Y, filed Dec 5, 2014 · 12 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Horizon Exploration Services |
| Production reports | Cedar Oil Companythrough Mar 2026 |
| Latest permit | Horizon Exploration ServicesJan 31, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,100
- total depth, ft
- 1
- permits on file
- Jan 31, 2008
- last permit issued
- May 1, 2008
- completed
- 11.2K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 1, 2008
- 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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pendulum 'B' O-9-16747 | Fennell (Cisco Reef) | Horizon Exploration Services | 1 | 1.78K | 0 | May 2008 – Jul 2026 |
| Hord 'B' O-9-18367 | Fennell (Cisco Reef) | Cedar Oil Company | 2 | 9.4K | 0 | Jun 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 768 · prior 12 864(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Horizon Exploration ServicesNov 2008 → Dec 2010
- 2Cedar Oil CompanyMar 2014 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 653494-99 | Drill | Horizon Exploration Services | Jan 18, 2008 | Jan 31, 2008 | Feb 10, 2008 | 3,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16747 | — | — | — | — |
| — | — O-9-18367 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,910 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Breckenridge | 2,714 | -804 |
| King Sand | 2,816 | -906 |
| Gunsite | 2,836 | -926 |
| CiscoCISCO REEF | 2,922 | -1,012 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,964 | 2,972 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 210 | 12.25 | 140 S |
| 4.5 | 3,028 | 7.875 | 295 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 2, 2014 | Dec 2, 2008 | Yes |
| 00 | Jan 15, 2009 | Dec 2, 2008 | Yes |
| 00 | Dec 9, 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 42-399-35097 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-399-35097 → 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/39935097, documented in the API reference.