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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 74-2521232

SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC

Also known as DENVER DWLS CHAPTER

Tax-exempt · DENVER, CO 80201

Address and contacts

Address (IRS master file)
PO BOX 3006, DENVER, CO 80201-3006
In care of
% PETER KAUFMAN
Mailing address (990-N for 2023)
PO Box 3006, Denver CO 80201
Principal officer (990-N for 2023)
Richard Whittington II, 1690 S Washington St, Denver CO 80210

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in April, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025April 30, 2026September 15, 2026Not on file
2024April 30, 2025September 15, 2025Not on file
2023April 30, 2024September 16, 2024990-N on file

File the 2025 990-N for SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC

Due September 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
74-2521232
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1986
Accounting year ends
April
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2023
Officer: Richard Whittington II
April 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Richard Whittington II
April 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Peter Kaufman
April 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Peter Kaufman
April 30, 2020≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 74-2521232).

Questions about SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC

What is the EIN of SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC?
The employer identification number (EIN) of SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC is 74-2521232.
Is SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1986.
Are donations to SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC due?
The return for tax year 2025 (the year ending April 30, 2026) is due September 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2023 for the year ended April 30, 2024.
Who is the principal officer of SOCIETY OF PETROPHYSICISTS AND WELL LOG ANALYSTS INC?
The 990-N for 2023 names Richard Whittington II.

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