Skip to content
WellCensus

Graham Michael D

Operator of record for 27 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Graham Michael D is the operator of record for 27 catalogued U.S. oil & gas wells in 1 state. 17 (63%) are active, 4 (15%) plugged & abandoned. Its largest concentration is in Pennsylvania, with 27 wells (100% of its portfolio).

Wells operated

27

Active

17

Plugged

4

Orphaned

0

Portfolio by state

StateWells
Pennsylvania27

Well mix

Oil wells
23
Gas wells
4
Shut-in
0
Active share
63%

Is this your company?

Claim Graham Michael D to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.

Claim your operator profile

Where does Graham Michael D operate?

Graham Michael D's catalogued wells are spread across 1 state: Pennsylvania (27). Its 27 Pennsylvania wells are 0.0% of the 224,189 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 Graham Michael D’s wells are active, plugged or orphaned?

63% of Graham Michael D's catalogued wells are active, 34 percentage points above the national share of 29%. 15% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Graham Michael D operate?

By product class, 23 (85%) are oil wells and 4 (15%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Washington (PA) and Armstrong (PA).

Notable wells operated by Graham Michael D

Wells operated by Graham Michael D
WellAPI # / state IDStatusTypeLocationOperatorDepth
Alfred Heirendt 1pdc37-125-21188Other statusGasWashington, PAGraham Michael D—
R D Scoggins Et Ux 237-125-21205Other statusOilWashington, PAGraham Michael D—
(J Osella Surface) R D Scoggins Etux 537-125-21220Other statusOilWashington, PAGraham Michael D—
Charles J Zamiska Et Ux 137-125-21229Other statusOilWashington, PAGraham Michael D—
Bruno Basso 137-125-21237Other statusOilWashington, PAGraham Michael D—
Wallace 137-125-21249Plugged & abandonedOilWashington, PAGraham Michael D—
Kenneth Heirendt 137-125-21137ActiveOilWashington, PAGraham Michael D—
Vance 237-125-01399ActiveOilWashington, PAGraham Michael D—
Morgan 237-125-01403ActiveOilWashington, PAGraham Michael D—
Morgan 537-125-01405ActiveOilWashington, PAGraham Michael D—
Morgan 437-125-01404ActiveOilWashington, PAGraham Michael D—
Robert Mellish 137-005-01924ActiveGasArmstrong, PAGraham Michael D—

Deepest first where depth is published. See all 27 wells →

Frequently asked questions

How many wells does Graham Michael D operate?

Graham Michael D is the operator of record for 27 catalogued oil & gas wells, with the largest concentration in Pennsylvania (27). Only wells in states WellCensus has ingested are counted.

How many of Graham Michael D's wells are still active?

17 of Graham Michael D's catalogued wells are active; 4 are plugged & abandoned.

In which states does Graham Michael D operate wells?

Graham Michael D is the operator of record for wells in Pennsylvania (27).

Does Graham Michael D operate mostly oil or gas wells?

23 of Graham Michael D's catalogued wells are oil wells and 4 are gas wells; the rest are injection, service or unclassified wells.

Where Graham Michael D'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, “Graham Michael D — well portfolio”, https://wellcensus.com/operators/graham-michael-d-71368 (data as of October 10, 2026).

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