# CHIEFTAIN INTERNATIONAL INC

CHIEFTAIN INTERNATIONAL INC is a company headquartered in Edmonton Alberta Can, Canada.

## Company overview

- **Legal name:** CHIEFTAIN INTERNATIONAL INC
- **Classification:** Company
- **Industry (SIC):** 1311 — Crude Petroleum & Natural Gas
- **Headquarters:** Edmonton Alberta Can, Canada
- **Incorporated in:** A0
- **Fiscal year end:** December 31
- **SEC CIK:** 0000846871

## About

CHIEFTAIN INTERNATIONAL INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000846871, and its reported industry is Crude Petroleum & Natural Gas. The retained history contains 12 filings, including SC 13G filed on 2001-09-05. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form SC 13G — filed 2001-09-05
- Form 8-K — filed 2001-06-20 — period 2001-06-19 — CURRENT REPORT
- Form 10-K/A — filed 2001-05-07 — period 2000-12-31 — FORM 10-K/A
- Form 10-Q — filed 2001-04-30 — period 2001-03-31 — FORM 10-Q
- Form DEF 14A — filed 2001-04-09 — period 2001-05-17 — DEF 14A
- Form 10-K — filed 2001-03-23 — period 2000-12-31 — FORM 10-K
- Form SC 13G — filed 2001-02-27
- Form SC 13G — filed 2001-02-14 — SCHEDULE 13G
- Form SC 13G — filed 2001-02-13
- Form 10-Q — filed 2000-10-19 — period 2000-09-30 — 10-Q
- Form 10-Q — filed 2000-07-17 — period 2000-06-30 — 10-Q
- Form 10-Q — filed 2000-04-18 — period 2000-03-31 — FORM 10-Q

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Updated: 2026-10-23T22:38:43Z

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