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JFK Research Center

A research reading room for records related to the assassination of President John F. Kennedy, drawn from the U.S. National Archives Catalog.

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Records sourced from the U.S. National Archives Catalog, ABBYY JFK-OCR, and allowlisted primary-source reports. Transcriptions and OCR are machine-generated and may contain errors.

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Scope: This research tool indexes 37,141 records - a curated subset of the ~300,000 documents in the JFK Assassination Records Collection. Releases indexed: 2017-2018, 2021, 2022, 2023, 2025. 2,165 records have full-text OCR indexed - of those, 2,162 are sourced from the 2025 re-release (NARA has not yet published an XLSX manifest for 2025; each document’s prior-release history is shown on its page). Releases not yet indexed: 2026. Methodology

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1950 – 2004

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Document matches | 3

Results for SCHLUMBERGER WELL SURVEYING CORPORATION

Results3Current document, mention, or semantic mode Entities32People, agencies, places, and concepts Topics11Curated subject lanes Media0Official JFK Library records TimelineChronology routes for this query QuestionsOpen-question routes

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CIA 3

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1967 1

CIA|December 12, 1967|PAPER - TEXTUAL DOCUMENT|NAID 104-10106-10716

SourceCIATextOCR availableRecordNAID 104-10106-10716

SCHLUMBERGER WELL SURVEYING CORPORATION

… s. SCELUBERGER has a patented operation for an oil well "sbootins" service which is subscribed to by various oil companies. The SCHLUMBERGER WELL SURVEYING CORPORATION in Houston was controlled by Henri Georges DOLL, s French national. | He was of contact interest in 1956 and 1957. His wife is …

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CIA / PAPER - TEXTUAL DOCUMENT

High confidenceOCR textOCRCIAPaper - Textual DocumentRelease 2025

CIA|PAPER - TEXTUAL DOCUMENT|NAID 104-10067-10071

SourceCIATextMetadata onlyRecordNAID 104-10067-10071

GARRISON'S CHARGES AGAINST CIA.

… een no DD/P contacts. Facts re CIA Has been a source of the DCS office in New Orleans since September 1959. William Wayne Dalzell Schlumberger Well Surveying Corporation Relationship to Case Facts re CIA Garrison has charged that Gordon Novel, Sergio Arcacha Smith, and others robbed a munitions bun …

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CIA / PAPER - TEXTUAL DOCUMENT

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Low confidenceCurated metadataCIAPaper - Textual DocumentRelease 2021

CIA|PAPER - TEXTUAL DOCUMENT|NAID 104-10105-10188

SourceCIATextMetadata onlyRecordNAID 104-10105-10188

MEMO NO. 8: GARRISON AND KENNEDY ASSASSINATION (IDENTIFIES 30 PERSONS).

… friend of two members of the DCS office in New Orleans, but official contact ended in 1956. NW 65924 Docld:32357449 Page 4 2 こ g. SCHLUMBERGER Well Surveying Corporation. Said by Ga rrison and others to have been the original owner of explosives removed from a bunker at CIA's instigation for use at …

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CIA / PAPER - TEXTUAL DOCUMENT

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Entity name appears in OCR text only

Low confidenceCurated metadataCIAPaper - Textual DocumentRelease 2021