FR2076514A5 - - Google Patents

Info

Publication number
FR2076514A5
FR2076514A5 FR7001680A FR7001680A FR2076514A5 FR 2076514 A5 FR2076514 A5 FR 2076514A5 FR 7001680 A FR7001680 A FR 7001680A FR 7001680 A FR7001680 A FR 7001680A FR 2076514 A5 FR2076514 A5 FR 2076514A5
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
FR7001680A
Other languages
French (fr)
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.)
Alstom SA
Original Assignee
Alstom SA
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 Alstom SA filed Critical Alstom SA
Priority to FR7001680A priority Critical patent/FR2076514A5/fr
Priority to DE19702062561 priority patent/DE2062561A1/de
Priority to US105308A priority patent/US3666329A/en
Priority to GB215071A priority patent/GB1302625A/en
Application granted granted Critical
Publication of FR2076514A5 publication Critical patent/FR2076514A5/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sliding-Contact Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Earth Drilling (AREA)
FR7001680A 1970-01-16 1970-01-16 Expired FR2076514A5 (enExample)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7001680A FR2076514A5 (enExample) 1970-01-16 1970-01-16
DE19702062561 DE2062561A1 (de) 1970-01-16 1970-12-18 Einrichtung zur Schmierung des unteren Lagers einer Bohrturbine
US105308A US3666329A (en) 1970-01-16 1971-01-11 Method of and means for lubricating the lower bearings in a drilling machine
GB215071A GB1302625A (enExample) 1970-01-16 1971-01-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7001680A FR2076514A5 (enExample) 1970-01-16 1970-01-16

Publications (1)

Publication Number Publication Date
FR2076514A5 true FR2076514A5 (enExample) 1971-10-15

Family

ID=9049196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7001680A Expired FR2076514A5 (enExample) 1970-01-16 1970-01-16

Country Status (4)

Country Link
US (1) US3666329A (enExample)
DE (1) DE2062561A1 (enExample)
FR (1) FR2076514A5 (enExample)
GB (1) GB1302625A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465064A1 (fr) * 1979-09-14 1981-03-20 Dresser Ind Dispositif pour empecher les impuretes de la boue de forage de passer par les roulements d'un moteur de fond de puits de forage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465097A1 (fr) * 1979-09-07 1981-03-20 Inst Burovoi Tekhnik Turboforeuse
US12509954B2 (en) 2024-01-19 2025-12-30 Weatherford Technology Holdings, Llc Seal life enhancement for rotating control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465064A1 (fr) * 1979-09-14 1981-03-20 Dresser Ind Dispositif pour empecher les impuretes de la boue de forage de passer par les roulements d'un moteur de fond de puits de forage

Also Published As

Publication number Publication date
GB1302625A (enExample) 1973-01-10
US3666329A (en) 1972-05-30
DE2062561A1 (de) 1971-07-22

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Legal Events

Date Code Title Description
ST Notification of lapse