OPERATORS · RRC 780192 · P-5 STATUS Y
Sien Oper Co, LLC
San Antonio, TX
Watch this operatorSien Oper CO, LLC has filed no drilling permits in the past 12 months; its most recent permit was issued March 9, 2017.
The RRC wellbore file lists 1 well under its operatorship.
5 drilling permits have been issued to this operator number since 2010; its P-5 organization report was last filed March 11, 2022.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 1 of record
- 1
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 20%
- spud rate · 1 of 5 mature permits
- 49
- median days permit to spud · middle half 49–49
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 4
- expired undrilled
- 1
- permits a year over 7 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Frio county → | — | 3 | 1 | Dec 14, 2010 |
| Colorado county → | — | 1 | 0 | Mar 9, 2017 |
| Jim Wells county → | — | 1 | 0 | Aug 18, 2012 |
All 5 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Austin Chalk | 3 | 0 |
| Anacacho | 2 | 0 |
| Olmos | 1 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 68.6K
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 1
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 1
- plugged
How it got them
- 0
- permitted itself
- 1
- acquired from others
- 1
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Recompletion | 0 | 0 | 3 |
| Drill | 0 | 0 | 2 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Pearsall (Austin Chalk)69981125 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Mar 11, 2022
- Address
- 10 Seaton Green
- San Antonio, TX 78209
- (210) 410-0273
- Officers and agents
- Sien, David · Manager
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 823579 | Mar 9, 2017 | Mar 9, 2017 | Sien Operating Company, LLC | Colorado | Johnston #1 | 11,600 | 08932739 |
| 745508 | Aug 18, 2012 | Aug 18, 2012 | Sien Operating Company, LLC | Jim Wells | Kathryn Tiller Lawson #1 | 9,000 | 24932582 |
| 706413 | Dec 14, 2010 | Dec 14, 2010 | Sien Operating Company, LLC | Frio | Pals Ranch #5H | 7,700 | 16332788 |
| 704926 | Nov 17, 2010 | Nov 17, 2010 | Sien Operating Company, LLC | Frio | Pals Ranch #4H | 7,700 | 16332596 |
| 704080 | Oct 29, 2010 | Oct 29, 2010 | Sien Operating Company, LLC | Frio | Pals Ranch #6H | 7,700 | 16332943 |
| 385914 | Mar 19, 1991 | Mar 19, 1991 | Christico Petroleum Company | Frio | Pals Ranch #7H | 10,500 | 16333037 |
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/780192, documented in the API reference.