# WESTERN ATLAS INC — DEFA14A

WESTERN ATLAS INC of HOUSTON, TX filed a DEFA14A with the SEC on 1998-04-17. Industry: Oil & Gas Field Exploration Services.

## Filing

- Filed: 1998-04-17
- Form: DEFA14A
- Accession: 0000950129-98-001656
- Registrant: WESTERN ATLAS INC
- CIK: 0000913340
- Industry (SIC): Oil & Gas Field Exploration Services (1382)
- State of incorporation: DE
- Location: HOUSTON, TX

## Filing timeline for this registrant (4)

| Filed | Form |
| --- | --- |
| [1998-07-27](https://search.stillhousedata.com/proxy/0000950129-98-003160) | DEFA14A |
| 1998-04-17 | DEFA14A |
| [1998-04-07](https://search.stillhousedata.com/proxy/0000950129-98-001494) | DEF 14A |
| [1997-03-28](https://search.stillhousedata.com/proxy/0000944209-97-000403) | DEF 14A |

## More

- [CIK 913340 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=913340&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950129-98-001656.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.
