Ma Si
Operator of record for 16 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Ma Si is the operator of record for 16 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned and 16 flagged as orphaned. Its largest concentration is in Louisiana, with 16 wells (100% of its portfolio).
Wells operated
16
Active
0
Plugged
0
Orphaned
16
Portfolio by state
| State | Wells |
|---|---|
| Louisiana | 16 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Ma Si to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Ma Si operate?
Ma Si's catalogued wells are spread across 1 state: Louisiana (16). Its 16 Louisiana wells are 0.0% of the 225,728 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Ma Si’s wells are active, plugged or orphaned?
0% of Ma Si's catalogued wells are active, 29 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. 16 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Ma Si operate?
By product class, 1 (6%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Li Nep Re Su;henry A 009 in Claiborne, LA at 5,380 ft.
Notable wells operated by Ma Si
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Li Nep Re Su;henry A 009 | Serial no. 37613 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,380 ft |
| Li Nep Re Su;enloe C 015 | 17-027-00472 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,337 ft |
| Li Nep Re Su;fowler A 016 | 17-027-00476 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,310 ft |
| Li Nep Re Su;enloe B 014 | 17-027-00473 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,282 ft |
| Li Nep Re Su;fowler B 011 | 17-027-00355 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,269 ft |
| Li Nep Re Su;fowler D 013 | 17-027-00465 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,265 ft |
| Li Nep Re Su;kinder B 007 | 17-027-00361 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,254 ft |
| Li Nep Re Su;enloe A 010 | 17-027-00356 | Orphaned | Oil | Claiborne, LA | Ma-Si, Inc. | 5,246 ft |
| Li Nep Re Su;tatum 012 | 17-027-00348 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,223 ft |
| Li Nep Re Su;w J Wilson 005 | 17-027-00351 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,212 ft |
| Li Nep Re Su;henry E 003 | 17-027-00353 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,203 ft |
| Li Nep Re Su;henry C 008 | 17-027-00352 | Orphaned | Other type | Claiborne, LA | Ma-Si, Inc. | 5,166 ft |
Deepest first where depth is published. See all 16 wells →
Frequently asked questions
How many wells does Ma Si operate?
Ma Si is the operator of record for 16 catalogued oil & gas wells, with the largest concentration in Louisiana (16). Only wells in states WellCensus has ingested are counted.
How many of Ma Si's wells are still active?
0 of Ma Si's catalogued wells are active; 0 are plugged & abandoned and 16 are flagged as orphaned.
In which states does Ma Si operate wells?
Ma Si is the operator of record for wells in Louisiana (16).
Does Ma Si operate mostly oil or gas wells?
1 of Ma Si's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Ma Si's deepest well?
Among wells with a published depth, Li Nep Re Su;henry A 009 in Claiborne, LA is the deepest at 5,380 ft.
Where Ma Si's wells are
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Ma Si — well portfolio”, https://wellcensus.com/operators/ma-si-78070 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).