# CLIFFS DRILLING CO

CLIFFS DRILLING CO is a company headquartered in Houston, TX, United States.

## Company overview

- **Legal name:** CLIFFS DRILLING CO
- **Classification:** Company
- **Industry (SIC):** 1381 — Drilling Oil & Gas Wells
- **Headquarters:** Houston, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000831964

## About

CLIFFS DRILLING CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000831964, and its reported industry is Drilling Oil & Gas Wells. The retained history contains 12 filings, including 8-K filed on 2001-02-14. 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 8-K — filed 2001-02-14 — period 2001-01-31 — CLIFFS DRILLING COMPANY - DATED JANUARY 31, 2001
- Form 8-K — filed 2001-02-14 — period 2001-02-08 — CLIFFS DRILLING COMPANY - DATED FEBRUARY 8, 2001
- Form 10-Q — filed 2000-11-09 — period 2000-09-30 — FORM 10-Q FOR QUARTER ENDED SEPTEMBER 30, 2000
- Form 10-Q — filed 2000-08-11 — period 2000-06-30
- Form 10-Q — filed 2000-05-12 — period 2000-03-31
- Form 10-Q — filed 1999-11-15 — period 1999-09-30
- Form 10-Q — filed 1999-08-11 — period 1999-06-30
- Form 8-K — filed 1999-05-20 — period 1999-05-19 — CLIFFS DRILLING COMPANY - DATED 05/19/99
- Form 10-Q — filed 1999-05-14 — period 1999-03-31 — CLIFFS DRILLING COMPANY - DATED 03/31/99
- Form 8-K — filed 1998-12-11 — period 1998-12-01 — CLIFFS DRILLING COMPANY - DATED 12/01/1998
- Form 10-Q — filed 1998-11-04 — period 1998-09-30 — CLIFFS DRILLING COMPANY - DATED 09/30/98
- Form 8-K — filed 1998-08-28 — period 1998-08-20 — CLIFFS DRILLING COMPANY - DATED 8/20/1998

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Updated: 2026-10-23T22:16:53Z

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