# EDGAR Filing Document

**Accession Number:** 0001958086
**File Stem:** 9999999995-23-000504
**Filing Date:** 2023-2
**Character Count:** 1284
**Document Hash:** e7bd58f6187a7731830860d496647f3b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-23-000504.hdr.sgml**: 20230302

**ACCESSION NUMBER**: 9999999995-23-000504

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230228

**DATE AS OF CHANGE**: 20230302

**EFFECTIVENESS DATE**: 20230228

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Core Laboratories Luxembourg S.A.
- **CENTRAL INDEX KEY:** 0001958086
- **STANDARD INDUSTRIAL CLASSIFICATION:** OIL, GAS FIELD SERVICES, NBC [1389]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** N4
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-269259
- **FILM NUMBER:** 23696238

**BUSINESS ADDRESS:**
- **STREET 1:** 12E RUE GUILAUME J. KROLL
- **STREET 2:** L-1882
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** 1882
- **BUSINESS PHONE:** 713-328-2672

**MAIL ADDRESS:**
- **STREET 1:** 6316 WILNDFERN ROAD
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77040

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** February 28, 2023

**Time:** 16:30:00

**Form Type:** S-4

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**CIK:** 0001958086

**Company Name:** Core Laboratories Luxembourg S.A.

**File Number:** 333-269259