FR2456829B1 - - Google Patents

Info

Publication number
FR2456829B1
FR2456829B1 FR8010733A FR8010733A FR2456829B1 FR 2456829 B1 FR2456829 B1 FR 2456829B1 FR 8010733 A FR8010733 A FR 8010733A FR 8010733 A FR8010733 A FR 8010733A FR 2456829 B1 FR2456829 B1 FR 2456829B1
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
FR8010733A
Other versions
FR2456829A1 (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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2456829A1 publication Critical patent/FR2456829A1/fr
Application granted granted Critical
Publication of FR2456829B1 publication Critical patent/FR2456829B1/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/022—Top drives

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)
  • Fluid-Pressure Circuits (AREA)
FR8010733A 1979-05-14 1980-05-13 Circuit hydraulique pour machine de forage en remontee Granted FR2456829A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/038,955 US4214445A (en) 1979-05-14 1979-05-14 Hydraulic circuitry for raise drill apparatus

Publications (2)

Publication Number Publication Date
FR2456829A1 FR2456829A1 (fr) 1980-12-12
FR2456829B1 true FR2456829B1 (fr) 1984-06-29

Family

ID=21902888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8010733A Granted FR2456829A1 (fr) 1979-05-14 1980-05-13 Circuit hydraulique pour machine de forage en remontee

Country Status (9)

Country Link
US (1) US4214445A (fr)
AU (1) AU536116B2 (fr)
CA (1) CA1134717A (fr)
DE (1) DE3017819A1 (fr)
FR (1) FR2456829A1 (fr)
GB (1) GB2048994B (fr)
SE (1) SE8003588L (fr)
ZA (1) ZA802413B (fr)
ZM (1) ZM4780A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6182588B1 (en) * 1998-05-01 2001-02-06 Flexi-Coil Ltd. Hydraulic system having boost pump in series with a primary pump and a boost pump drive therefor
DE10326887A1 (de) * 2003-06-14 2004-12-30 Daimlerchrysler Ag Mehrstufiges Ölpumpensystem
US6973782B2 (en) * 2003-12-19 2005-12-13 Dana Corporation Pressurized hydraulic fluid system with remote charge pump
US7793683B2 (en) * 2006-10-11 2010-09-14 Weatherford/Lamb, Inc. Active intake pressure control of downhole pump assemblies
US20080095643A1 (en) * 2006-10-11 2008-04-24 Weatherford/Lamb, Inc. Active intake pressure control of downhole pump assemblies
DE102009029840A1 (de) * 2009-06-22 2011-01-27 Liebherr-Werk Nenzing Gmbh Hydrauliksystem
KR101012609B1 (ko) * 2010-11-08 2011-02-10 김유중 일정유량 토출용 증압기
CN102720461B (zh) * 2012-06-11 2014-10-29 中铁隧道集团有限公司 液压凿岩台车止浆方法及止浆装置
US9085943B2 (en) * 2012-12-31 2015-07-21 George Ronald Owens Pipe handling device
CN112834363B (zh) * 2021-02-25 2021-11-19 中国科学院地质与地球物理研究所 液压系统及交变应力疲劳测试设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1911132A (en) * 1930-06-19 1933-05-23 Oilgear Co Drilling machine
US3922855A (en) * 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
BE792617A (fr) * 1971-12-13 1973-06-12 Caterpillar Tractor Co Circuit hydraulique pour un excavateur.
US4033127A (en) * 1976-06-04 1977-07-05 Jacob Amstutz Hydraulically-powered vehicle accessory system supercharged by hydraulic vehicle drive system
US4073141A (en) * 1977-03-17 1978-02-14 Caterpillar Tractor Co. Fluid control system with priority flow

Also Published As

Publication number Publication date
DE3017819A1 (de) 1980-11-20
FR2456829A1 (fr) 1980-12-12
SE8003588L (sv) 1980-11-15
AU536116B2 (en) 1984-04-19
GB2048994B (en) 1983-03-30
CA1134717A (fr) 1982-11-02
ZM4780A1 (en) 1981-10-21
ZA802413B (en) 1981-04-29
AU5776780A (en) 1980-11-20
GB2048994A (en) 1980-12-17
US4214445A (en) 1980-07-29

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Legal Events

Date Code Title Description
ST Notification of lapse