Mark Twain Oil Prod

Operator of record for 7 catalogued wells across 1 state. Every well below links to its full registry page.

Wells operated

Active

Plugged

Orphaned

Portfolio by state

State	Wells
Illinois	7

Well mix

Oil wells: 3
Gas wells: 0
Shut-in: 0
Active share: 0%

Is this your company?

Claim Mark Twain Oil Prod to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.

Claim your operator profile

Notable wells operated by Mark Twain Oil Prod

Wells operated by Mark Twain Oil Prod
Well	API #	Status	Type	Location	Operator	Depth
Clark L 1	12-065-01499	Plugged & abandoned	Other type	Hamilton, IL	Mark Twain Oil Prod. Co.	3,430 ft
Hinger, C. J. 1	12-049-00477	Plugged & abandoned	Other type	Effingham, IL	Mark Twain Oil Prod. Co.	2,460 ft
Voss 1	12-027-01418	Plugged & abandoned	Other type	Clinton, IL	Mark Twain Oil Prod. Co.	2,385 ft
Haybrook, W. H. 1	12-029-01437	Plugged & abandoned	Oil	Coles, IL	Mark Twain Oil Prod. Co.	1,846 ft
Haybrook 2	12-029-01438	Plugged & abandoned	Other type	Coles, IL	Mark Twain Oil Prod. Co.	1,833 ft
Howell, J. 1	12-051-01285	Plugged & abandoned	Oil	Fayette, IL	Mark Twain Oil Prod. Co.	1,392 ft
Mazenick, John 1	12-051-01998	Plugged & abandoned	Oil	Fayette, IL	Mark Twain Oil Prod. Co.	1,386 ft

Deepest first where depth is published; find any well via search.

Frequently asked questions

How many wells does Mark Twain Oil Prod operate?

Mark Twain Oil Prod is the operator of record for 7 catalogued oil & gas wells, with the largest concentration in Illinois (7). Only wells in states WellCensus has ingested are counted.

How many of Mark Twain Oil Prod's wells are still active?

0 of Mark Twain Oil Prod's catalogued wells are active; 7 are plugged & abandoned.

Dataset updated July 2026 . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).