← Back to Patent Explorer
FR2564894A2 Expired / Lapsed FR ⏱️ 0.0 years remaining

METHOD AND DEVICE FOR PERFORMING MEASUREMENTS AND / OR INTERVENTIONS IN A WELL.

Assignee: IFP Energies nouvelles
•
Filing: 1984-05-25
•
Granted: —
•
Expires: 2004-05-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The present invention relates to variants of the method and device described in the main patent application. The device according to the present invention is characterised in that it comprises at least two sealing members 34 and 35 delimiting a zone of the well which is to undergo formation fracturing. The present invention may be used to carry out measurements during a formation-fracturing operation in an oil well.

Inventors

  • 👤 Christian Wittrisch

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-04 23:44
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B47/00; E21B47/02; E21B47/022; E21B23/00; E21B23/14; E21B47/10; E21B47/107

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US3427652A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag