PIERCE UNIT (LOTTIE 2-18) #12
API 3501924401 · Carter County, Oklahoma
AC2RIn
Injection
12 monthly filings with Oklahoma, Jan 2025 to Dec 2025.
Oklahoma well-type code
2RIn
Injection zone
PENNSYLVANIAN
Cumulative fluid injected
237,972 bbl
| Month | Fluid injected (bbl) | Max pressure (psi) |
|---|---|---|
| Dec 2025 | 16,969 | 400 |
| Nov 2025 | 15,912 | 400 |
| Oct 2025 | 18,170 | 400 |
| Sep 2025 | 19,984 | 400 |
| Aug 2025 | 17,812 | 400 |
| Jul 2025 | 16,721 | 400 |
| Jun 2025 | 28,466 | 550 |
| May 2025 | 29,971 | 550 |
| Apr 2025 | 21,334 | 550 |
| Mar 2025 | 16,900 | 600 |
| Feb 2025 | 15,887 | 600 |
| Jan 2025 | 19,846 | 600 |
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 5 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 1996-02-28
WRADRPermit API
35019244010000
Operator
MACK ENERGY CO.
Well type
2RIn
Approved
1996-02-28
Expires
1996-09-11
Proposed depth
3,450 ft
Surface casing
1,050 ft
Ground elevation
1,000 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| CISCO | 1,400 |
| COUNTY LINE SD | 2,250 |
| TATUMS UP | 2,450 |
| TATUMS MID | 2,500 |
| TATUMS LOW | 2,750 |
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
34.387794, -97.451896
34.38779, -97.45190 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Carter County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.