NW CHITWOOD UNIT #18-4
API 3505122822 · Grady County, Oklahoma
AC2RIn
Injection
12 monthly filings with Oklahoma, Jan 2025 to Dec 2025.
Oklahoma well-type code
2RIn
Injection zone
ABERNATHY
Cumulative fluid injected
71,940 bbl
| Month | Fluid injected (bbl) | Max pressure (psi) |
|---|---|---|
| Dec 2025 | 1,734 | 1,627 |
| Nov 2025 | 8,059 | 2,068 |
| Oct 2025 | 4,075 | 1,716 |
| Sep 2025 | 8,109 | 2,006 |
| Aug 2025 | 7,564 | 2,038 |
| Jul 2025 | 6,495 | 1,976 |
| Jun 2025 | 5,726 | 2,050 |
| May 2025 | 4,678 | 1,890 |
| Apr 2025 | 7,280 | 1,973 |
| Mar 2025 | 5,870 | 2,049 |
| Feb 2025 | 4,654 | 1,982 |
| Jan 2025 | 7,696 | 2,042 |
A dash is a month the well filed with no figure in that column.
Drilling permit
Oklahoma files 1 application to drill this well, naming 3 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.
Filed 1999-04-26
WRADRPermit API
35051228220000
Operator
KALKMAN OIL CORPORATION
Well type
2RIn
Approved
1999-04-26
Expires
1999-10-26
Proposed depth
10,300 ft
Surface casing
1,200 ft
Ground elevation
1,230 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| ABERNATHY | 9,569 |
| HUDDLESTON | 9,624 |
| MELTON | 9,849 |
An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.
Location
34.855946, -97.913180
34.85595, -97.91318 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Grady County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.