FR2421270A2 - Outil de forage a jet d'aspiration - Google Patents

Outil de forage a jet d'aspiration

Info

Publication number
FR2421270A2
FR2421270A2 FR7809214A FR7809214A FR2421270A2 FR 2421270 A2 FR2421270 A2 FR 2421270A2 FR 7809214 A FR7809214 A FR 7809214A FR 7809214 A FR7809214 A FR 7809214A FR 2421270 A2 FR2421270 A2 FR 2421270A2
Authority
FR
France
Prior art keywords
tool
suction jet
debris
pressure difference
working front
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.)
Granted
Application number
FR7809214A
Other languages
English (en)
Other versions
FR2421270B2 (fr
Inventor
Yvon Castel
Henri Cholet
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7809214A priority Critical patent/FR2421270A2/fr
Publication of FR2421270A2 publication Critical patent/FR2421270A2/fr
Application granted granted Critical
Publication of FR2421270B2 publication Critical patent/FR2421270B2/fr
Granted legal-status Critical Current

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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

Outil de forage rotatif à molettes. Cet outil comporte au moins une buse d'irrigation du front de taille et au moins une buse créant au-dessus des molettes un jet ascendant pour l'entraînement des déblais. Il est caractérisé en ce que la buse d'irrigation débouche à une distance du front de taille comprise entre 1/3 H et 4/5 H, H étant la hauteur des molettes. Application au forage du sol.
FR7809214A 1978-03-30 1978-03-30 Outil de forage a jet d'aspiration Granted FR2421270A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7809214A FR2421270A2 (fr) 1978-03-30 1978-03-30 Outil de forage a jet d'aspiration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7809214A FR2421270A2 (fr) 1978-03-30 1978-03-30 Outil de forage a jet d'aspiration

Publications (2)

Publication Number Publication Date
FR2421270A2 true FR2421270A2 (fr) 1979-10-26
FR2421270B2 FR2421270B2 (fr) 1983-02-04

Family

ID=9206433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7809214A Granted FR2421270A2 (fr) 1978-03-30 1978-03-30 Outil de forage a jet d'aspiration

Country Status (1)

Country Link
FR (1) FR2421270A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609099A1 (fr) * 1986-12-31 1988-07-01 Inst Francais Du Petrole Outil de forage a jet incline

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609099A1 (fr) * 1986-12-31 1988-07-01 Inst Francais Du Petrole Outil de forage a jet incline
WO1988005107A1 (fr) * 1986-12-31 1988-07-14 Institut Français Du Petrole Outil de forage a jet incline
US4886131A (en) * 1986-12-31 1989-12-12 Institut Francais Du Petrole Inclined-jet drilling tool

Also Published As

Publication number Publication date
FR2421270B2 (fr) 1983-02-04

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