WELL · 42-039-33349 · DISTRICT 3
Blackstone 156 #1
Brazoria County · Rattlesnake Mound (6400) field · Producing · Directional
Blackstone 156 #1 (API 42-039-33349) is a well in Brazoria County operated by Cimarron Engineering LLC, completed March 8, 2020 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 28, 2019, permitted to 6,800 ft.
Completion filings report 6 formation tops, including Caprock, Frio, Het Lime - Disposal, Miocene (undifferentiated).
No lease production has been reported under this well’s leases.
Operator of record
Kingsville, TX · P-5 Y, filed Sep 4, 2025 · 93 permits on file · (361) 522-2053
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cimarron Engineering LLC |
| Production reports | Cimarron Engineering, LLCthrough Sep 2024 |
| Latest permit | Cimarron Engineering, LLCAug 28, 2019 |
- 6,800
- total depth, ft
- 1
- permits on file
- Aug 28, 2019
- last permit issued
- Mar 8, 2020
- completed
- 0
- cumulative oil, bbl
- 270K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 8, 2020
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
29.211884, -95.129019
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Brazoria County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blackstone 156 G-3-289172 | Rattlesnake Mound (6400) | Cimarron Engineering, LLC | 1 | 0 | 270K | Mar 2020 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 3,228(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cimarron Engineering, LLCMar 2020 → Sep 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 856536-99 | Drill | Cimarron Engineering, LLC | Aug 23, 2019 | Aug 28, 2019 | Jan 8, 2020 | 6,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-289172 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CaprockCAPROCK - DISPOSAL | — | — |
| FrioFRIO - DISPOSAL | — | — |
| Het Lime - Disposal | — | — |
| Miocene (undifferentiated)MIOCENE - DISPOSAL | — | — |
| Oligocene - Disposal | — | — |
| Otis - Disposal | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,963 | 6,970 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,188 | 12.25 | 417 S |
| 5.5 | 7,213 | 8.75 | 1,835 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 | Jun 22, 2020 | Apr 28, 2020 | Yes |
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 42-039-33349 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-039-33349 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
State Lease 2142-039-33350
0.0 KM · Cimarron Engineering, LLC · Section with this well →
| Miocene (undifferentiated) | 2,226 | -2,223 |
| Frio | 7,508 | -7,505 |
| Caprock | — | |
| Otis - Disposal | — | |
| Het Lime - Disposal | — | |
| Oligocene - Disposal | — |
Black Stone42-039-33353
0.0 KM · Kebo Oil & Gas, Inc. · Section with this well →
| Miocene (undifferentiated) | 6,330 | -6,327 |
| Frio | 6,930 | -6,927 |
| Caprock | — | |
| Oligocene - Disposal | — | |
| Het Lime - Disposal | — | |
| Otis - Disposal | — |
Halls Bayou A42-039-33304
1.8 KM · Kaler Energy Corp. · Section with this well →
| Miocene (undifferentiated) | 3,860 | -3,856 |
| Anahuac | 6,920 | -6,916 |
| Oligocene - Disposal | 6,920 | -6,916 |
| Het Lime - Disposal | 8,420 | -8,416 |
| Frio | 11,150 | -11,146 |
| Big Gas Sand | 11,406 | -11,402 |
| Otis - Disposal | — | |
| Caprock | — |
Blackstone42-039-33300
1.9 KM · Corum Production Company · Section with this well →
| T LWR Miocene | 4,555 | |
| RM 6050 SD | 6,180 | |
| RM 6400 | 6,410 | |
| Otis - Disposal | — | |
| Oligocene - Disposal | — | |
| Miocene (undifferentiated) | — | |
| Het Lime - Disposal | — | |
| Frio | — |
9 TOPS · FIRST 8
Crazy Chester42-039-33338
4.0 KM · Llox, L.L.C. · Section with this well →
| Caprock | 580 | -560 |
| Miocene (undifferentiated) | 1,750 | -1,730 |
| Frio | 2,500 | -2,480 |
| Het Lime - Disposal | 4,400 | -4,380 |
| Oligocene - Disposal | 5,760 | -5,740 |
| Otis - Disposal | 7,810 | -7,790 |
IP Farms "PG"42-039-32462
4.0 KM · Tepco, Inc. · Section with this well →
| Miocene (undifferentiated) | 7,155 | -7,148 |
| Frio | 9,610 | -9,603 |
Blackstone-Hlavinka42-039-04480
4.5 KM · Elliott Oil & Gas Operating Co. · Section with this well →
| Miocene (undifferentiated) | 7,250 | -7,242 |
| Frio | 9,690 | -9,682 |
| Grubbs | 10,330 | -10,322 |
| Alibel | 10,750 | -10,742 |
Blackstone Hlavinka42-039-33294
4.9 KM · Channa Operating, LLC · Section with this well →
| Caprock | 1,800 | -1,791 |
| Miocene (undifferentiated) | 7,080 | -7,071 |
| Het Lime - Disposal | 8,600 | -8,591 |
| Frio | 9,760 | -9,751 |
| Oligocene - Disposal | 9,940 | -9,931 |
| Otis - Disposal | — |
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/03933349, documented in the API reference.