FR2324856A1 - Raccord d'outil de forage pour procede dit de circulation inverse - Google Patents

Raccord d'outil de forage pour procede dit de circulation inverse

Info

Publication number
FR2324856A1
FR2324856A1 FR7528796A FR7528796A FR2324856A1 FR 2324856 A1 FR2324856 A1 FR 2324856A1 FR 7528796 A FR7528796 A FR 7528796A FR 7528796 A FR7528796 A FR 7528796A FR 2324856 A1 FR2324856 A1 FR 2324856A1
Authority
FR
France
Prior art keywords
central space
drill
union
side opening
space
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
FR7528796A
Other languages
English (en)
Other versions
FR2324856B1 (fr
Inventor
Andre Lamothe
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.)
FORACO FORAGE RATIONNEL CONST
Original Assignee
FORACO FORAGE RATIONNEL CONST
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 FORACO FORAGE RATIONNEL CONST filed Critical FORACO FORAGE RATIONNEL CONST
Priority to FR7528796A priority Critical patent/FR2324856A1/fr
Publication of FR2324856A1 publication Critical patent/FR2324856A1/fr
Application granted granted Critical
Publication of FR2324856B1 publication Critical patent/FR2324856B1/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18—Pipes provided with plural fluid passages

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)
  • Earth Drilling (AREA)
FR7528796A 1975-09-19 1975-09-19 Raccord d'outil de forage pour procede dit de circulation inverse Granted FR2324856A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7528796A FR2324856A1 (fr) 1975-09-19 1975-09-19 Raccord d'outil de forage pour procede dit de circulation inverse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7528796A FR2324856A1 (fr) 1975-09-19 1975-09-19 Raccord d'outil de forage pour procede dit de circulation inverse

Publications (2)

Publication Number Publication Date
FR2324856A1 true FR2324856A1 (fr) 1977-04-15
FR2324856B1 FR2324856B1 (fr) 1982-04-23

Family

ID=9160213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7528796A Granted FR2324856A1 (fr) 1975-09-19 1975-09-19 Raccord d'outil de forage pour procede dit de circulation inverse

Country Status (1)

Country Link
FR (1) FR2324856A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002081856A1 (fr) * 2001-04-04 2002-10-17 Jaervelae Jorma Procede de forage et appareil de forage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002081856A1 (fr) * 2001-04-04 2002-10-17 Jaervelae Jorma Procede de forage et appareil de forage
US7143846B2 (en) 2001-04-04 2006-12-05 Oy Atlas Copco Rotex Ab Method for drilling and drilling apparatus to enable reverse circulation

Also Published As

Publication number Publication date
FR2324856B1 (fr) 1982-04-23

Similar Documents

Publication Publication Date Title
AU542263B2 (en) Tubular rock bolt
ES401750A1 (es) Un dispositivo de racor para tubo.
SE8901341D0 (sv) Positive latch wire line core barrel apparatus
DE3166634D1 (en) Pipe coupling
FR2324856A1 (fr) Raccord d'outil de forage pour procede dit de circulation inverse
GB1430603A (en) Bit for drilling wells in the earth
FR2399566A2 (fr) Dispositif d'assemblage de tubes de forme et d'epaisseur differentes
DE3463966D1 (en) Device for tapping pressurized fluid lines
ES316145A1 (es) Aparato perforador
SE8501234L (sv) Kopplingsanordning
ES242133U (es) Metodo para establecer una conexion de fluido.
GB903826A (en) Improvements in or relating to methods of injecting fluent material into and withdrawing fluent material from sub-soil
GB945232A (en) Apparatus adapted to be pumped through a pipe
ES265902A1 (es) Un aparato para cargar con explosivos agujeros de barreno
GB1019027A (en) Improvements in or relating to drill bits for rotary percussion drilling
FR2393901A1 (fr) Support de charge hydro-mecanique
GB1222526A (en) Core barrel inner tube lifter
GB1392526A (en) Device for making a hole in the ground
GB1283727A (en) A tubular connecting piece for helically grooved tubes
GB1160410A (en) Sealing Means for Core Drills.
SU829858A1 (ru) Двойна эжекторна колонкова ТРубА
FR2326608A1 (fr) Procede de fixation de deux elements tubulaires l'un a l'autre et assemblage realise a l'aide de ce procede
ES367152A1 (es) Perfeccionamientos en los tomamuestras para estudios geo- tecnicos.
JPS5520612A (en) Injector provided with flow control mechanism
GB1416791A (en) Fluid flow diverters

Legal Events

Date Code Title Description
ST Notification of lapse