NL8002456A - Putboorwerktuig. - Google Patents

Putboorwerktuig. Download PDF

Info

Publication number
NL8002456A
NL8002456A NL8002456A NL8002456A NL8002456A NL 8002456 A NL8002456 A NL 8002456A NL 8002456 A NL8002456 A NL 8002456A NL 8002456 A NL8002456 A NL 8002456A NL 8002456 A NL8002456 A NL 8002456A
Authority
NL
Netherlands
Prior art keywords
reservoir
flow
lubricant
tool according
channel
Prior art date
Application number
NL8002456A
Other languages
English (en)
Dutch (nl)
Original Assignee
Eng Enterpr
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 Eng Enterpr filed Critical Eng Enterpr
Publication of NL8002456A publication Critical patent/NL8002456A/nl

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
    • E21B4/003—Bearing, sealing, lubricating details

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)
  • Drilling And Boring (AREA)
NL8002456A 1979-04-27 1980-04-25 Putboorwerktuig. NL8002456A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3355479 1979-04-27
US06/033,554 US4284149A (en) 1979-04-27 1979-04-27 Well drilling tool

Publications (1)

Publication Number Publication Date
NL8002456A true NL8002456A (nl) 1980-10-29

Family

ID=21871087

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8002456A NL8002456A (nl) 1979-04-27 1980-04-25 Putboorwerktuig.

Country Status (7)

Country Link
US (1) US4284149A (no)
JP (1) JPS55145290A (no)
BE (1) BE882910A (no)
FR (1) FR2455161A1 (no)
GB (1) GB2048341A (no)
NL (1) NL8002456A (no)
NO (1) NO801205L (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548283A (en) * 1981-01-12 1985-10-22 Young David E Rotating shaft seal and bearing lubricating apparatus
US4613002A (en) * 1984-04-30 1986-09-23 Hughes Tool Company Downhole drilling tool with improved swivel
US5338074A (en) * 1989-03-02 1994-08-16 The Hydril Company Threaded pipe connection
US5199514A (en) * 1990-04-30 1993-04-06 Titus Charles H Seal for well drilling assembly
US5069298A (en) * 1990-04-30 1991-12-03 Titus Charles H Well drilling assembly
US5048981A (en) * 1990-08-24 1991-09-17 Ide Russell D Modular drop-in sealed bearing assembly for downhole drilling motors
US5288262A (en) * 1991-12-13 1994-02-22 Phillips E Lakin Crazy wheels toy
CA2102984C (en) * 1993-11-12 1998-01-20 Kenneth Hugo Wenzel Sealed bearing assembly used in earth drilling
US5588818A (en) * 1995-04-20 1996-12-31 Horizon Directional Systems, Inc. Rotor-to-rotor coupling
CA2280481A1 (en) * 1998-08-25 2000-02-25 Bico Drilling Tools, Inc. Downhole oil-sealed bearing pack assembly
JP4855088B2 (ja) * 2006-02-02 2012-01-18 株式会社ティラド 熱交換器
JP4994450B2 (ja) 2007-06-18 2012-08-08 三菱電機株式会社 熱交換素子およびその製造方法ならびに熱交換器および熱交換換気装置
US8800688B2 (en) 2011-07-20 2014-08-12 Baker Hughes Incorporated Downhole motors with a lubricating unit for lubricating the stator and rotor
US10519717B2 (en) * 2018-05-09 2019-12-31 Doublebarrel Downhole Technologies Llc Pressure compensation system for a rotary drilling tool string which includes a rotary steerable component

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866988A (en) * 1973-02-26 1975-02-18 Atlantic Richfield Co Bearing system
US3997009A (en) * 1975-01-31 1976-12-14 Engineering Enterprises Inc. Well drilling apparatus
FR2332412A1 (fr) * 1975-11-19 1977-06-17 Alsthom Cgee Dispositif d'immobilisation en rotation de la partie statorique d'un moteur souterrain
US4114702A (en) * 1977-11-09 1978-09-19 Maurer Engineering Inc. Well drilling tool with lubricant level indicator

Also Published As

Publication number Publication date
FR2455161A1 (fr) 1980-11-21
US4284149A (en) 1981-08-18
BE882910A (fr) 1980-08-18
JPS55145290A (en) 1980-11-12
NO801205L (no) 1980-10-28
GB2048341A (en) 1980-12-10

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Legal Events

Date Code Title Description
BV The patent application has lapsed