OPERATORS · TEXAS · P-5 NUMBER 75790
Blocker Exploration Co.
- P-5 status
- Inactive (I)
- P-5 last filed
- Dec 30, 1986
- Based in
- Houston, TX
Blocker Exploration CO. has filed no drilling permits in the past 12 months; its most recent permit was issued February 9, 1982.
The RRC wellbore file lists 4 wells under its operatorship.
80 drilling permits have been issued to this operator number since 1978; its P-5 organization report was last filed December 30, 1986.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 4 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 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.
- 56%
- spud rate · 45 of 80 mature permits
- 35
- median days permit to spud · middle half 17–70
- 0
- spuds, last 180 days
- 3%
- canceled · 2 permits
- 33
- expired undrilled
- 20
- permits a year over 4 active years
Permits issued by month
LAST 60 MONTHS · BY ISSUE DATE
Last 12 months 0 · prior 12 0
Counties
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 |
|---|---|---|---|---|
| Webb county → | — | 28 | 1 | Mar 11, 1980 |
| Nolan county → | — | 7 | 1 | Feb 26, 1981 |
| Limestone county → | — | 6 | 0 | Jun 25, 1981 |
| Henderson county → | — | 5 | 1 | Feb 9, 1982 |
| Anderson county → | — | 4 | 0 | Dec 31, 1980 |
| Hidalgo county → | — | 3 | 0 | Apr 13, 1981 |
| Nueces county → | — | 3 | 0 | Feb 17, 1981 |
| Brazoria county → | — | 2 | 0 | Oct 2, 1980 |
| Brooks county → | — | 2 | 0 | Nov 8, 1979 |
| Colorado county → | — | 2 | 0 | Sep 15, 1980 |
| Duval county → | — | 2 | 0 | Mar 17, 1980 |
| Galveston county → | — | 2 | 0 | Aug 11, 1981 |
| Orange county → | — | 2 | 0 | Nov 3, 1980 |
| Washington county → | — | 2 | 0 | Feb 12, 1981 |
| Zapata county → | — | 2 | 0 | Aug 11, 1980 |
| Bee county → | — | 1 | 0 | Jul 24, 1980 |
| Dawson county → | — | 1 | 1 | Sep 11, 1980 |
| Fort Bend county → | — | 1 | 0 | Oct 27, 1981 |
| Freestone county → | — | 1 | 0 | Jun 29, 1981 |
| Goliad county → | — | 1 | 0 | Oct 31, 1979 |
| Liberty county → | — | 1 | 0 | Nov 3, 1978 |
| Live Oak county → | — | 1 | 0 | Jun 19, 1979 |
| Wood county → | — | 1 | 0 | Feb 13, 1980 |
All 80 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 |
|---|---|---|
| Olmos | 4 | 0 |
| Rodessa | 3 | 0 |
| Cotton Valley | 3 | 0 |
| Eagle Ford | 2 | 0 |
| Glen Rose | 2 | 0 |
| Sligo | 2 | 0 |
| Pettit | 2 | 0 |
| Midway | 2 | 0 |
| Escondido | 2 | 0 |
| Austin Chalk | 2 | 0 |
| Travis Peak | 1 | 0 |
| Pecan Gap | 1 | 0 |
| Wilcox | 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
- 0
- bbl oil since reporting began
No lease production reported under this operator number in the last ten years.
Beyond the permit record
RRC wellbore file
Wells of record
How it got them
Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. 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 | 70 |
| Recompletion | 0 | 0 | 9 |
| Other | 0 | 0 | 1 |
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 |
|---|---|---|
| Blocker Ranch (Olmos N-4)9600550 | 1 | 0 |
| Patricia Northeast (Spraberry)69566500 | 1 | 0 |
| Thomas Lake (Cotton Valley)89478300 | 1 | 0 |
| Thomas Ranch (Ellenburger)89490500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status Inactive (I)
- Last filed Dec 30, 1986
- Address
- 1201 Dairy Ashford, Ste 200
- Houston, TX 77079
- (713) 578-3677
- Officers and agents
- Blocker, John R. · Chairman/Ceo/President
- Blocker, John R., Jr. · Vice President
- Bragg, Paul A. · Vice President/Secretary/Treasur
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 150148 | Feb 9, 1982 | Feb 9, 1982 | Blocker Exploration Co. | Henderson | First Bancorp, Inc. #1 | 12,500 | 21330276 |
| 138249 | Oct 27, 1981 | Oct 27, 1981 | Blocker Exploration Co. | Fort Bend | Tucker Trust Unit #1 | 10,520 | 15731266 |
| 129538 | Aug 11, 1981 | Aug 11, 1981 | Blocker Exploration Co. | Galveston | TX Commerce Bank Natl Assoc Unit #1 | 12,300 | 16730859 |
| 122989 | Jun 29, 1981 | Jun 29, 1981 | Blocker Exploration Co. | Freestone | Hill, F. S. et AL #1 | 9,692 | 16130677 |
| 122588 | Jun 25, 1981 | Jun 25, 1981 | Blocker Exploration Co. | Limestone | Blocker- Tufco #1 | 11,000 | 29330566 |
| 122585 | Jun 25, 1981 | Jun 25, 1981 | Blocker Exploration Co. | Limestone | Lowry, Floyd A. #1 | 11,500 | 29330565 |
| 121462 | Jun 17, 1981 | Jun 17, 1981 | Blocker Exploration Co. | Henderson | Dennis, A. A. Jr. UNIT#1 #2 | 9,150 | 21330329 |
| 116165 | Apr 13, 1981 | Apr 13, 1981 | Blocker Exploration Co. | Hidalgo | Youngblood, Ella Thompson et AL #1 | 8,650 | 21531122 |
| 109711 | Feb 26, 1981 | Feb 26, 1981 | Blocker Exploration Co. | Nolan | Adams, John G. "A" #1 | 6,000 | 35331061 |
| 111668 | Feb 17, 1981 | Feb 17, 1981 | Blocker Exploration Co. | Nueces | Dunn, Earl C., Sr. et AL #1 | 6,914 | 35531690 |
| 108640 | Feb 17, 1981 | Feb 17, 1981 | Blocker Exploration Co. | Nolan | Hudman, Thelma #1 | 6,000 | 35331060 |
| 108289 | Feb 12, 1981 | Feb 12, 1981 | Blocker Exploration Co. | Washington | Ward, Joseph #1 | 12,000 | 47730404 |
| 106679 | Jan 28, 1981 | Jan 28, 1981 | Blocker Exploration Co. | Nolan | Adams, John #3 | 5,200 | 35330717 |
| 103567 | Dec 31, 1980 | Dec 31, 1980 | Blocker Exploration Co. | Anderson | Cady, William R. et AL #4 | 10,000 | 00131049 |
| 103262 | Dec 29, 1980 | Dec 29, 1980 | Blocker Exploration Co. | Anderson | Cady, William R. et AL #3 | 9,200 | 00131048 |
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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/operators/tx/75790, documented in the API reference.