NL7705462A - DEVICE FOR PERFORATING THE GROUND. - Google Patents

DEVICE FOR PERFORATING THE GROUND.

Info

Publication number
NL7705462A
NL7705462A NL7705462A NL7705462A NL7705462A NL 7705462 A NL7705462 A NL 7705462A NL 7705462 A NL7705462 A NL 7705462A NL 7705462 A NL7705462 A NL 7705462A NL 7705462 A NL7705462 A NL 7705462A
Authority
NL
Netherlands
Prior art keywords
perforating
ground
Prior art date
Application number
NL7705462A
Other languages
Dutch (nl)
Other versions
NL168579B (en
NL168579C (en
Original Assignee
Inst Gornogo Dela Sibirskogo O
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 Gornogo Dela Sibirskogo O filed Critical Inst Gornogo Dela Sibirskogo O
Publication of NL7705462A publication Critical patent/NL7705462A/en
Publication of NL168579B publication Critical patent/NL168579B/en
Application granted granted Critical
Publication of NL168579C publication Critical patent/NL168579C/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole
NLAANVRAGE7705462,A 1976-05-17 1977-05-17 REVERSIBLE IMPACT DRIVER FOR THE PRODUCTION OF HOLES IN THE GROUND BY DRIVING A GASEOUS MEDIUM. NL168579C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU2362865 1976-05-17
SU2416534 1976-10-22

Publications (3)

Publication Number Publication Date
NL7705462A true NL7705462A (en) 1977-11-21
NL168579B NL168579B (en) 1981-11-16
NL168579C NL168579C (en) 1982-04-16

Family

ID=26665582

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7705462,A NL168579C (en) 1976-05-17 1977-05-17 REVERSIBLE IMPACT DRIVER FOR THE PRODUCTION OF HOLES IN THE GROUND BY DRIVING A GASEOUS MEDIUM.

Country Status (11)

Country Link
AT (1) AT347359B (en)
CH (1) CH621172A5 (en)
DE (1) DE2722298C3 (en)
DK (1) DK147714C (en)
FI (1) FI57159C (en)
FR (1) FR2352161A1 (en)
GB (1) GB1540344A (en)
IT (1) IT1118028B (en)
NL (1) NL168579C (en)
NO (1) NO151630C (en)
SE (1) SE423923B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820785C2 (en) * 1978-05-12 1986-10-02 Paul 5940 Lennestadt Schmidt Valve control for ram drilling rigs
GB2111565B (en) * 1981-12-15 1985-10-02 British Telecomm Self propelled reversible boring ram
SU1250619A1 (en) * 1984-03-06 1986-08-15 Институт Горного Дела Со Ан Ссср Reversible pneumatic device for making holes in soil
GB2165279B (en) * 1984-10-03 1987-12-23 Inst Gornogo Dela Sibirskogo O Air-operated reversible percussive action machine
DE19617603C1 (en) * 1996-05-02 1997-09-18 Tracto Technik Reversible ram boring machine
DE102005055032B4 (en) * 2005-11-16 2011-04-21 Tracto-Technik Gmbh Rammbohrgerät with pneumatic reversal
AU2006314836B2 (en) 2005-11-16 2010-09-30 Tracto-Technik Gmbh Hammer drilling device with a pneumatic reversing gear

Also Published As

Publication number Publication date
DK147714B (en) 1984-11-19
FI57159B (en) 1980-02-29
IT1118028B (en) 1986-02-24
FI771563A (en) 1977-11-18
FI57159C (en) 1980-06-10
AT347359B (en) 1978-12-27
DE2722298B2 (en) 1979-10-11
FR2352161A1 (en) 1977-12-16
DK215877A (en) 1977-11-18
NO771741L (en) 1977-11-18
DE2722298A1 (en) 1978-04-06
CH621172A5 (en) 1981-01-15
DK147714C (en) 1985-08-26
FR2352161B1 (en) 1980-03-14
NL168579B (en) 1981-11-16
SE423923B (en) 1982-06-14
ATA353577A (en) 1978-04-15
NL168579C (en) 1982-04-16
NO151630C (en) 1985-05-08
NO151630B (en) 1985-01-28
SE7705846L (en) 1977-11-18
GB1540344A (en) 1979-02-07
DE2722298C3 (en) 1980-06-19

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BX A request for additional search has been filed
BT A notification was added to the application dossier and made available to the public
BX A request for additional search has been filed
V1 Lapsed because of non-payment of the annual fee