OPERATORS · RRC 780230 · P-5 STATUS Y
Sierra Prod Co
Houston, TX
Watch this operatorSierra Prod CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 10, 1989.
The RRC wellbore file lists 2 wells under its operatorship.
53 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed July 5, 2002.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 2 of record
- 0
- 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.
- 38%
- spud rate · 20 of 53 mature permits
- 15
- median days permit to spud · middle half 8–32
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 33
- expired undrilled
- 4
- permits a year over 12 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 |
|---|---|---|---|---|
| Chambers county → | — | 14 | 1 | May 15, 1986 |
| Duval county → | — | 8 | 0 | Nov 19, 1985 |
| Wood county → | — | 4 | 0 | Mar 13, 1986 |
| Bee county → | — | 3 | 0 | Jul 12, 1985 |
| Cherokee county → | — | 3 | 0 | Sep 10, 1985 |
| Colorado county → | — | 3 | 0 | Dec 17, 1984 |
| Fort Bend county → | — | 3 | 0 | Aug 10, 1989 |
| Calhoun county → | — | 2 | 0 | Aug 15, 1983 |
| Leon county → | — | 2 | 0 | Jun 20, 1986 |
| San Jacinto county → | — | 2 | 0 | Apr 11, 1985 |
| Brazoria county → | — | 1 | 0 | Jul 18, 1984 |
| DE Witt county → | — | 1 | 0 | Nov 23, 1977 |
| Gonzales county → | — | 1 | 0 | Jul 1, 1983 |
| Harris county → | — | 1 | 0 | Aug 25, 1983 |
| High IS-LB county → | — | 1 | 0 | Sep 14, 1984 |
| Jasper county → | — | 1 | 0 | Oct 18, 1985 |
| Jefferson county → | — | 1 | 0 | Oct 3, 1985 |
| Victoria county → | — | 1 | 0 | Jan 17, 1978 |
| Wharton county → | — | 1 | 0 | Sep 13, 1983 |
All 53 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 →
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
- 0
- 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
- 2
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 0
- plugged
How it got them
- 0
- permitted itself
- 1
- acquired from others
- 27
- 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 |
|---|---|---|---|
| Drill | 0 | 0 | 46 |
| Recompletion | 0 | 0 | 5 |
| Other | 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 |
|---|---|---|
| Cedar Bayou NW. (F-3)16534500 | 1 | 0 |
| Shamrock Cove E. (27 Sand)82638500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jul 5, 2002
- Address
- 952 Echo Lane Ste 240
- Houston, TX 77024
- Officers and agents
- Dyer, Byron F. · President
- Dyer, Jeffrey L. · Vice President
- Gabrisch, Kelly E. · Secretary
- Dyer, Constance M. · Director
- Stipanovic, Martha G. · Secretary
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 813663 | Feb 5, 2016 | Feb 5, 2016 | Petrogulf Corporation | Nueces | Susser #2 | 9,409 | 35532377 |
| 813663 | Feb 5, 2016 | Feb 5, 2016 | Petrogulf Corporation | Nueces | Susser et AL #2 | 9,409 | 35532377 |
| 491180 | Jan 18, 2000 | Jan 18, 2000 | Southwestern Energy Prod. Co. | Nueces | Susser #2 | 8,304 | 35532377 |
| 362567 | Aug 10, 1989 | Aug 10, 1989 | Sierra Production Co. | Fort Bend | Simmons #1 | 7,816 | 15731240 |
| 303421 | Jun 20, 1986 | Jun 20, 1986 | Sierra Production Co. | Leon | Grannie Fannie Trust, et AL #1 | 11,500 | 28930809 |
| 302696 | May 23, 1986 | May 23, 1986 | Sierra Production Co. | Leon | Sierra Prod. Wilson #1 | 11,500 | 28930806 |
| 302141 | May 15, 1986 | May 15, 1986 | Sierra Production Co. | Chambers | Barrow, S. W. #1 | 16,000 | 07131790 |
| 299593 | Mar 13, 1986 | Mar 13, 1986 | Sierra Production Co. | Wood | Davis #1 | 8,800 | 49931453 |
| 299240 | Mar 10, 1986 | Mar 10, 1986 | Brock Energy Corporation | Nueces | Susser #2 | 9,580 | 35532377 |
| 295140 | Jan 13, 1986 | Jan 13, 1986 | Sierra Production Co. | Wood | Johnson #3 | 9,300 | 49931420 |
| 290523 | Nov 19, 1985 | Nov 19, 1985 | Sierra Production Co. | Duval | Saenz, Felix #1 | 7,415 | 13136316 |
| 288670 | Oct 29, 1985 | Oct 29, 1985 | Sierra Production Co. | Wood | Johnson #2 | 9,300 | 49931397 |
| 287812 | Oct 18, 1985 | Oct 18, 1985 | Sierra Production Co. | Jasper | Wherry, Christine #3 | 9,250 | 24130447 |
| 286475 | Oct 3, 1985 | Oct 3, 1985 | Sierra Production Co. | Jefferson | Crawford, et AL #1 | 13,400 | 24531864 |
| 284610 | Sep 10, 1985 | Sep 10, 1985 | Sierra Production Co. | Cherokee | Holmes, V. M. #2 | 5,000 | 07330669 |
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/780230, documented in the API reference.