OPERATORS · TEXAS · P-5 NUMBER 875777
Underground Services Markham, LP
- P-5 status
- Inactive (I)
- P-5 last filed
- May 16, 2012
- Based in
- Houston, TX
Petrora groups this registration with Underground Services Markham,llc, Texas (13 active wells). Underground Services Markham,llc across every state →
Underground Services Markham, LP has filed no drilling permits in the past 12 months; its most recent permit was issued June 21, 2010.
8 drilling permits have been issued to this operator number since 2005; its P-5 organization report was last filed May 16, 2012.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 0 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 6, 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.
- 88%
- spud rate · 7 of 8 mature permits
- 150
- median days permit to spud · middle half 94–201
- 0
- spuds, last 180 days
- 0%
- canceled · 0 permits
- 1
- expired undrilled
- 1
- permits a year over 6 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.
All 8 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 |
|---|---|---|
| Caprock | 7 | 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 | 8 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status Inactive (I)
- Last filed May 16, 2012
- Address
- 4800 San Felipe
- Houston, TX 77056
- (713) 877-2700
- Officers and agents
- Underground Serv (Markham)gp LLC · General Partner
- Texas Brine Company, LLC · Managing Member
- Grabowski, Theodore M. · President
- Cartwright, Mark J · President
- Martin, Bruce E · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 697598 | Jun 21, 2010 | Jun 21, 2010 | Underground Services Markham, LP | Matagorda | Hudson, C.M. #4 | 7,300 | 32132307 |
| 662107 | May 27, 2008 | May 27, 2008 | Underground Services Markham, LP | Matagorda | Smith, L E #7 | 6,850 | 32132240 |
| 655792 | Feb 28, 2008 | Feb 28, 2008 | Underground Services Markham, LP | Matagorda | Trull #11 | 6,850 | 32132216 |
| 655686 | Feb 27, 2008 | Feb 27, 2008 | Underground Services Markham, LP | Matagorda | Trull #6 | 6,850 | 32132215 |
| 643316 | Aug 14, 2007 | Aug 14, 2007 | Underground Services Markham, LP | Matagorda | Smith, L. E. #6 | 6,850 | 32132184 |
| 643313 | Aug 7, 2007 | Aug 7, 2007 | Underground Services Markham, LP | Matagorda | Smith, L. E. #5 | 6,850 | 32132183 |
| 632278 | Feb 12, 2007 | Feb 12, 2007 | Underground Services Markham, LP | Matagorda | Trull #4 | 6,850 | 32132162 |
| 558063 | Feb 25, 2005 | Feb 25, 2005 | Underground Services Markham, LP | Matagorda | Hiltpold #8 | 6,850 | 32132051 |
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/875777, documented in the API reference.