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FR2271378B1 - - Google Patents

Info

Publication number
FR2271378B1
FR2271378B1 FR7417082A FR7417082A FR2271378B1 FR 2271378 B1 FR2271378 B1 FR 2271378B1 FR 7417082 A FR7417082 A FR 7417082A FR 7417082 A FR7417082 A FR 7417082A FR 2271378 B1 FR2271378 B1 FR 2271378B1
Authority
FR
France
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.)
Expired
Application number
FR7417082A
Other versions
FR2271378A1 (en
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.)
INST BUROVOI TEKHNIK
Original Assignee
INST BUROVOI TEKHNIK
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 INST BUROVOI TEKHNIK filed Critical INST BUROVOI TEKHNIK
Priority to FR7417082A priority Critical patent/FR2271378A1/fr
Publication of FR2271378A1 publication Critical patent/FR2271378A1/fr
Application granted granted Critical
Publication of FR2271378B1 publication Critical patent/FR2271378B1/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/02—Adaptations for drilling wells

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR7417082A 1974-05-16 1974-05-16 Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine Granted FR2271378A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7417082A FR2271378A1 (en) 1974-05-16 1974-05-16 Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417082A FR2271378A1 (en) 1974-05-16 1974-05-16 Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine

Publications (2)

Publication Number Publication Date
FR2271378A1 FR2271378A1 (en) 1975-12-12
FR2271378B1 true FR2271378B1 (fr) 1978-08-04

Family

ID=9138950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417082A Granted FR2271378A1 (en) 1974-05-16 1974-05-16 Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine

Country Status (1)

Country Link
FR (1) FR2271378A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3130142B1 (fr) 2021-12-10 2024-08-02 Oreal Composition comprenant deux précurseurs de coloration d’oxydation particuliers et une silicone aminée particulière

Also Published As

Publication number Publication date
FR2271378A1 (en) 1975-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse