# 3-D GEOPHYSICAL INC — SC 14D9/A

3-D GEOPHYSICAL INC of LITTLETON, CO filed a SC 14D9/A with the SEC on 1998-03-27. Industry: Oil & Gas Field Exploration Services.

## Filing

- Filed: 1998-03-27
- Form: SC 14D9/A
- Accession: 0000922423-98-000340
- Registrant: 3-D GEOPHYSICAL INC
- CIK: 0001003382
- Industry (SIC): Oil & Gas Field Exploration Services (1382)
- State of incorporation: DE
- Location: LITTLETON, CO

## Filing timeline for this registrant (12)

| Filed | Form |
| --- | --- |
| [1998-04-10](https://search.stillhousedata.com/proxy/0000922423-98-000391) | SC 14D9/A |
| [1998-04-10](https://search.stillhousedata.com/proxy/0000898822-98-000393) | SC 14D1/A |
| [1998-04-01](https://search.stillhousedata.com/proxy/0000922423-98-000367) | SC 14D9/A |
| [1998-04-01](https://search.stillhousedata.com/proxy/0000898822-98-000365) | SC 14D1/A |
| 1998-03-27 | SC 14D9/A |
| [1998-03-27](https://search.stillhousedata.com/proxy/0000898822-98-000358) | SC 14D1/A |
| [1998-03-25](https://search.stillhousedata.com/proxy/0000922423-98-000332) | SC 14D9/A |
| [1998-03-19](https://search.stillhousedata.com/proxy/0000922423-98-000314) | SC 14D9/A |
| [1998-03-19](https://search.stillhousedata.com/proxy/0000898822-98-000338) | SC 14D1/A |
| [1998-03-13](https://search.stillhousedata.com/proxy/0000950123-98-002521) | SC 14D9 |
| [1998-03-13](https://search.stillhousedata.com/proxy/0000950123-98-002510) | SC 14D1 |
| [1997-04-22](https://search.stillhousedata.com/proxy/0000950129-97-001662) | DEF 14A |

## More

- [CIK 1003382 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1003382&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000922423-98-000340.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
