EP4368809C0 - FLUSHING DEVICE, ESPECIALLY FOR INSTALLATION IN A DRILL STRING - Google Patents

FLUSHING DEVICE, ESPECIALLY FOR INSTALLATION IN A DRILL STRING

Info

Publication number
EP4368809C0
EP4368809C0 EP22206595.5A EP22206595A EP4368809C0 EP 4368809 C0 EP4368809 C0 EP 4368809C0 EP 22206595 A EP22206595 A EP 22206595A EP 4368809 C0 EP4368809 C0 EP 4368809C0
Authority
EP
European Patent Office
Prior art keywords
installation
drill string
flushing device
flushing
drill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22206595.5A
Other languages
German (de)
French (fr)
Other versions
EP4368809A1 (en
EP4368809B1 (en
Inventor
Ernst Fengler
Rainer Hemken
Peter Rubarth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LMR Drilling GmbH
Original Assignee
LMR Drilling GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to HUE22206595A priority Critical patent/HUE070608T2/en
Priority to PL22206595.5T priority patent/PL4368809T3/en
Priority to EP22206595.5A priority patent/EP4368809B1/en
Priority to ES22206595T priority patent/ES3020060T3/en
Priority to HRP20250348TT priority patent/HRP20250348T1/en
Application filed by LMR Drilling GmbH filed Critical LMR Drilling GmbH
Priority to RS20250319A priority patent/RS66636B1/en
Publication of EP4368809A1 publication Critical patent/EP4368809A1/en
Application granted granted Critical
Publication of EP4368809C0 publication Critical patent/EP4368809C0/en
Publication of EP4368809B1 publication Critical patent/EP4368809B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
EP22206595.5A 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string Active EP4368809B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL22206595.5T PL4368809T3 (en) 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string
EP22206595.5A EP4368809B1 (en) 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string
ES22206595T ES3020060T3 (en) 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string
HRP20250348TT HRP20250348T1 (en) 2022-11-10 2022-11-10 FLUSHING DEVICE, ESPECIALLY FOR INSTALLATION IN DRILLS
HUE22206595A HUE070608T2 (en) 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string
RS20250319A RS66636B1 (en) 2022-11-10 2022-11-10 FLUSHING DEVICE, ESPECIALLY FOR INSTALLATION IN A DRILLING TOOL COLUMN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22206595.5A EP4368809B1 (en) 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string

Publications (3)

Publication Number Publication Date
EP4368809A1 EP4368809A1 (en) 2024-05-15
EP4368809C0 true EP4368809C0 (en) 2025-01-01
EP4368809B1 EP4368809B1 (en) 2025-01-01

Family

ID=84331157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22206595.5A Active EP4368809B1 (en) 2022-11-10 2022-11-10 Flushing device, in particular for installation in a drill string

Country Status (6)

Country Link
EP (1) EP4368809B1 (en)
ES (1) ES3020060T3 (en)
HR (1) HRP20250348T1 (en)
HU (1) HUE070608T2 (en)
PL (1) PL4368809T3 (en)
RS (1) RS66636B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568935B1 (en) * 1984-08-08 1986-09-05 Petroles Cie Francaise DRILL PIPE CONNECTION, PARTICULARLY FOR CROSSING A LOSS OF TRAFFIC AREA
CH683016A5 (en) * 1990-12-24 1993-12-31 Terra Ag Tiefbautechnik A method for expanding a wellbore and Expanding apparatus.
DE102015003157A1 (en) * 2015-03-15 2016-09-15 Herrenknecht Ag drill string

Also Published As

Publication number Publication date
HUE070608T2 (en) 2025-06-28
EP4368809A1 (en) 2024-05-15
HRP20250348T1 (en) 2025-05-09
ES3020060T3 (en) 2025-05-21
EP4368809B1 (en) 2025-01-01
RS66636B1 (en) 2025-04-30
PL4368809T3 (en) 2025-08-04

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