NO893883D0 - Apparat og fremgangsmaate for inngrep med bjelker. - Google Patents

Apparat og fremgangsmaate for inngrep med bjelker.

Info

Publication number
NO893883D0
NO893883D0 NO893883A NO893883A NO893883D0 NO 893883 D0 NO893883 D0 NO 893883D0 NO 893883 A NO893883 A NO 893883A NO 893883 A NO893883 A NO 893883A NO 893883 D0 NO893883 D0 NO 893883D0
Authority
NO
Norway
Prior art keywords
interventions
breaking
procedure
breaking interventions
Prior art date
Application number
NO893883A
Other languages
English (en)
Other versions
NO893883L (no
Inventor
Robert Benjamin Donnally
Original Assignee
Dreco 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 Dreco Inc filed Critical Dreco Inc
Publication of NO893883D0 publication Critical patent/NO893883D0/no
Publication of NO893883L publication Critical patent/NO893883L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/025—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the devices being operated by fluid pressure
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
NO89893883A 1988-11-16 1989-09-29 Apparat og fremgangsmaate for inngrep med bjelker. NO893883L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/272,720 US4961562A (en) 1988-11-16 1988-11-16 Apparatus for engaging beams

Publications (2)

Publication Number Publication Date
NO893883D0 true NO893883D0 (no) 1989-09-29
NO893883L NO893883L (no) 1990-05-18

Family

ID=23040977

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89893883A NO893883L (no) 1988-11-16 1989-09-29 Apparat og fremgangsmaate for inngrep med bjelker.

Country Status (3)

Country Link
US (1) US4961562A (no)
GB (1) GB2225995B (no)
NO (1) NO893883L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682163A5 (en) * 1990-10-15 1993-07-30 Raymond Andina Borehole drilling rod supporting structure
GB2518844A (en) * 2013-10-01 2015-04-08 Northern Hydraulic Cylinder Engineers Ltd Skid rail gripping apparatus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB755970A (en) * 1953-12-01 1956-08-29 Roy Balme Improvements in hydraulic climbing jacks
US3033525A (en) * 1958-10-28 1962-05-08 Dresser Ind Force-transmitting device
US3373971A (en) * 1966-02-01 1968-03-19 Hydranautics Hydraulic gripper for derrick jack
AT278280B (de) * 1966-10-20 1970-01-26 Heinz Lampert Schaltbarer Linearfreilauf
US3464095A (en) * 1968-02-19 1969-09-02 Hydronautics Hydraulic gripper for derrick skidding
US3559959A (en) * 1968-08-13 1971-02-02 Monsanto Co Impeller and mixer-settler apparatus
SE326011B (no) * 1968-11-12 1970-07-13 Skanska Cementgjuteriet Ab
US3559954A (en) * 1969-01-15 1971-02-02 Hydranautics Hydraulic gripper and moving jack
DE2352836C2 (de) * 1973-10-22 1975-01-30 Georg Mueller Kugellagerfabrik Kg, 8500 Nuernberg Klemmvorrichtung
GB1579484A (en) * 1977-03-15 1980-11-19 Coal Industry Patents Ltd Engagement devices
NL7709542A (nl) * 1977-08-30 1979-03-02 Macgregor Comarain Holland B V Klem- en schuifinrichting.
US4348007A (en) * 1980-10-07 1982-09-07 Fred Malzacher Gripper system for moving drilling rigs
US4572481A (en) * 1981-10-14 1986-02-25 Chambers Henry B Releasable clamping assembly for use with hydraulic jacking apparatus
SE449608B (sv) * 1983-11-25 1987-05-11 Keller Konsult Ab Griporgan for forflyttning av tunga laster
US4657438A (en) * 1986-01-10 1987-04-14 Gillis Don A Advancing mechanism and system utilizing same for raising and lowering a work platform

Also Published As

Publication number Publication date
NO893883L (no) 1990-05-18
GB2225995B (en) 1993-04-07
GB8925331D0 (en) 1989-12-28
GB2225995A (en) 1990-06-20
US4961562A (en) 1990-10-09

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