WELL · 42-227-39747 · DISTRICT 8
Chalk G. O. #27
Howard County · Howard Glasscock (Consolidated) field · Producing · Directional
Chalk G. O. #27 (API 42-227-39747) is a well in Howard County operated by Citation Oil & Gas Corp., completed January 29, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 24, 2018, permitted to 4,300 ft.
Completion filings report 10 formation tops, including Tansill, Yates, Seven Rivers, Queen.
Its lease has reported 91.9K barrels of oil and 46.1K mcf of gas since December 2011, last reporting in July 2026. The lease carries 12 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 4, 2026 · 866 permits on file · (281) 891-1000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Citation Oil & Gas Corp. |
| Production reports | Citation Oil & Gas Corp.through Apr 2026 |
| Latest permit | Citation Oil & Gas Corp.Aug 24, 2018 |
- 4,300
- total depth, ft
- 1
- permits on file
- Aug 24, 2018
- last permit issued
- Jan 29, 2019
- completed
- 91.9K
- cumulative oil, bbl
- 46.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 29, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.117380, -101.262768
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Howard 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; they carry 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chalk, G. O. O-10-41207 | Howard Glasscock (Consolidated) | Citation Oil & Gas Corp. | 12 | 91.9K | 46.1K | Dec 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,784 · prior 12 4,009(+69%)
Gas, mcf lease total
Last 12 months 2,962 · prior 12 3,261(-9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conocophillips CompanyDec 2011 → Jan 2018
- 2Citation Oil & Gas Corp.Feb 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 843909-99 | Drill | Citation Oil & Gas Corp. | Aug 23, 2018 | Aug 24, 2018 | Dec 4, 2018 | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-41207 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Tansill | 1,127 |
| Yates | 1,231 |
| Seven Rivers | 1,321 |
| Queen | 1,508 |
| Grayburg | 1,809 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 2,117 |
| Glorieta | 2,642 |
| Clear ForkCLEARFORK - SEVERE WATER FLOWS | 2,990 |
| Tubb | 3,651 |
| Coleman Junction | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,083 | 2,261 | Perforated |
| 2,690 | 2,912 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,053 | 12.25 | 600 S |
| 7 | 4,353 | 8.75 | 860 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 11, 2019 | Feb 20, 2019 | 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 42-227-39747 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-39747 → 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.
Owen-Chalk42-227-39746
0.6 KM · Citation Oil & Gas Corp. · Section with this well →
| Yates | 1,220 | 1,226 |
| Seven Rivers | 1,306 | 1,140 |
| San Andres | 2,102 | 344 |
| Glorieta | 2,633 | -187 |
| Clear Fork | 3,018 | -572 |
| Coleman Junction | — | |
| Leonard | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Owen-Chalk42-227-34525
0.9 KM · Mobil Producing TX. & N.M. Inc. · Section with this well →
| Tansill | 1,079 | 1,351 |
| Yates | 1,185 | 1,245 |
| Seven Rivers | 1,269 | 1,161 |
| Queen | 1,453 | 977 |
| Grayburg | 1,749 | 681 |
| San Andres | 2,078 | 352 |
| Glorieta | 2,595 | -165 |
| Clear Fork | 2,987 | -557 |
12 TOPS · FIRST 8
Chalk, G. O.-G-42-227-30772
1.0 KM · Citation Oil & Gas Corp. · Section with this well →
| Yates | 1,232 | 1,238 |
| Seven Rivers | 1,322 | 1,148 |
| San Andres | 2,124 | 346 |
| Glorieta | 2,662 | -192 |
| Clear Fork | 2,972 | -502 |
| Wolfcamp | — | |
| Spraberry | — | |
| Leonard | — |
10 TOPS · FIRST 8
Chalk, Sloan42-227-39694
1.5 KM · Citation Oil & Gas Corp. · Section with this well →
| Tansill | 1,043 | |
| Yates | 1,168 | |
| Seven Rivers | 1,257 | |
| Queen | 1,452 | |
| Grayburg | 1,758 | |
| San Andres | 2,063 | |
| San Andres | 2,212 | |
| Glorieta | 2,583 |
10 TOPS · FIRST 8
Chalk, G. O.42-227-39678
1.5 KM · Rover Petroleum Operating, LLC · Section with this well →
| Yates | 1,168 | 1,257 |
| Seven Rivers | 1,254 | 1,171 |
| San Andres | 2,052 | 373 |
| Glorieta | 2,634 | -209 |
| Clear Fork | 2,902 | -477 |
| Dean | — | |
| Leonard | — | |
| Spraberry | — |
10 TOPS · FIRST 8
Chalk, G. O.42-227-39674
1.6 KM · Rover Petroleum Operating, LLC · Section with this well →
| Atoka | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Pennsylvanian | — | |
| Mississippian | — | |
| Leonard | — | |
| Ellenburger | — | |
| Dean | — |
10 TOPS · FIRST 8
Chalk, G. O.42-227-39867
1.7 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,301 | 1,129 |
| San Andres | 2,062 | 368 |
| Glorieta | 2,650 | -220 |
| Clear Fork | 2,929 | -499 |
| Spraberry | — | |
| Cisco | — | |
| Wolfcamp | — | |
| Coleman Junction | — |
10 TOPS · FIRST 8
Chalk, G. O.42-227-39679
1.7 KM · Rover Petroleum Operating, LLC · Section with this well →
| Wolfcamp | — | |
| Spraberry | — | |
| Pennsylvanian | — | |
| Mississippian | — | |
| Leonard | — | |
| Dean | — | |
| Cisco | — | |
| Canyon | — |
10 TOPS · FIRST 8
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/22739747, documented in the API reference.