DK227987D0 - Borehulsbor - Google Patents

Borehulsbor

Info

Publication number
DK227987D0
DK227987D0 DK227987A DK227987A DK227987D0 DK 227987 D0 DK227987 D0 DK 227987D0 DK 227987 A DK227987 A DK 227987A DK 227987 A DK227987 A DK 227987A DK 227987 D0 DK227987 D0 DK 227987D0
Authority
DK
Denmark
Prior art keywords
borehole drill
borehole
drill
Prior art date
Application number
DK227987A
Other languages
English (en)
Other versions
DK227987A (da
Inventor
Melvyn Samuel James Ennis
Original Assignee
Ennis M S J
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 Ennis M S J filed Critical Ennis M S J
Publication of DK227987D0 publication Critical patent/DK227987D0/da
Publication of DK227987A publication Critical patent/DK227987A/da

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
DK227987A 1986-05-07 1987-05-05 Borehulsbor DK227987A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868611091A GB8611091D0 (en) 1986-05-07 1986-05-07 Borehole drill construction

Publications (2)

Publication Number Publication Date
DK227987D0 true DK227987D0 (da) 1987-05-05
DK227987A DK227987A (da) 1987-11-08

Family

ID=10597433

Family Applications (1)

Application Number Title Priority Date Filing Date
DK227987A DK227987A (da) 1986-05-07 1987-05-05 Borehulsbor

Country Status (12)

Country Link
US (1) US4765418A (da)
EP (1) EP0244986A3 (da)
JP (1) JPS62292308A (da)
CN (1) CN1009469B (da)
AU (1) AU584797B2 (da)
BR (1) BR8702310A (da)
CA (1) CA1282053C (da)
DK (1) DK227987A (da)
FI (1) FI872022A (da)
GB (1) GB8611091D0 (da)
NO (1) NO871884L (da)
ZA (1) ZA872969B (da)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8611091D0 (en) * 1986-05-07 1986-06-11 Ennis M S J Borehole drill construction
EP0436046A1 (de) * 1990-01-02 1991-07-10 Geologoprouchvatelno Predpriatie Abbauortseitig angeordnete Dämpfungseinrichtung für einen Kernbohrstrang
USRE36002E (en) * 1990-04-26 1998-12-22 Sds Digger Tools Pty, Ltd. Transmission sleeve for a down hole hammer
DK169043B1 (da) * 1991-05-30 1994-08-01 Ernst Benzoni Von Benzon Jordbor
FR2686648B1 (fr) * 1992-01-27 1994-04-15 Cogema Sa Dispositif pour forage rotopercutant a circulation inverse de fluide.
US5685380A (en) * 1995-01-06 1997-11-11 Minroc Technical Promotions Limited Reverse circulation down-the-hole drill
AU2002311319B2 (en) * 2001-09-06 2008-04-10 Sandvik Mining And Construction Australia (Production/Supply) Pty Ltd Reverse Circulation Downhole Hammer
EA200301258A1 (ru) * 2003-07-24 2005-02-24 Открытое акционерное общество "Пневмостроймашина" Устройство для соединения буровой коронки с погружным пневмоударником
EA005481B1 (ru) * 2003-07-24 2005-02-24 Открытое акционерное общество "Пневмостроймашина" Погружной пневмоударник
CA2544832C (en) * 2003-11-07 2012-01-24 Aps Technology, Inc. System and method for damping vibration in a drill string
IES20050495A2 (en) * 2005-07-20 2006-11-01 Minroc Techn Promotions Ltd A drill bit assembly for fluid-operated percussion drill tools
US9068399B2 (en) 2006-10-20 2015-06-30 Drillroc Pneumatic Pty Ltd Down-the-hole hammer drill
WO2008046148A1 (en) * 2006-10-20 2008-04-24 Drillroc Pneumatic Pty Ltd Down-the-hole hammer drill
US8800690B2 (en) * 2008-03-31 2014-08-12 Center Rock Inc. Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly
US8302707B2 (en) * 2009-01-28 2012-11-06 Center Rock Inc. Down-the-hole drill reverse exhaust system
US8915314B2 (en) * 2008-03-31 2014-12-23 Center Rock Inc. Down-the-hole drill drive coupling
US8622152B2 (en) 2009-01-28 2014-01-07 Center Rock Inc. Down-the-hole drill hammer having a sliding exhaust check valve
CN102080506A (zh) * 2010-12-13 2011-06-01 郭振国 一种工程钻机用钻杆
CA2855717C (en) * 2011-10-17 2019-11-19 Atlas Copco Secoroc Llc Reverse circulation bit assembly
ZA201208086B (en) * 2012-01-17 2013-05-29 Drillroc Pneumatic Pty Ltd Down-the-hole hammer drill
CN104695873A (zh) * 2013-12-06 2015-06-10 中国石油天然气股份有限公司 一种直连型高强度速度管柱整体接头及加工方法
CN104989268A (zh) * 2015-07-15 2015-10-21 姚新连 一种通过太阳能供电的挖孔机
CN107790772B (zh) * 2017-11-15 2019-04-16 遵义中铂硬质合金有限责任公司 一种钻孔装置
CN107931654B (zh) * 2017-11-15 2019-04-19 遵义中铂硬质合金有限责任公司 一种钻孔方法
EP4219880A1 (en) * 2018-11-22 2023-08-02 Mincon International Limited Drill bit assembly for percussion drill tools
WO2021198038A1 (en) * 2020-03-30 2021-10-07 Mincon International Limited Flushing and connection arrangements for percussion drill tools
GB2620417A (en) * 2022-07-07 2024-01-10 Rotojar Innovations Ltd Drilling apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252912A (en) * 1939-03-06 1941-08-19 Elwin B Hall Well tool
US3163244A (en) * 1961-05-19 1964-12-29 Ingersoll Rand Co Rock drill bit having non-aligned cutting members
US3299971A (en) * 1964-08-06 1967-01-24 Ingersoll Rand Co Core drill
US3991834A (en) * 1975-07-07 1976-11-16 Curington Alfred R Sampling airhammer apparatus
US4054180A (en) * 1976-02-09 1977-10-18 Reed Tool Company Impact drilling tool having a shuttle valve
DE2854461C2 (de) * 1978-12-16 1983-03-10 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Versenkbohrhammer
GB2117428B (en) * 1982-02-11 1985-08-14 Ennis M S J Improvements in or relating to rotary percussion core hammers
DE8403508U1 (de) * 1984-02-07 1984-05-03 Walter, Hans-Philipp, 7102 Weinsberg Bohrhammer
GB8406957D0 (en) * 1984-03-16 1984-04-18 Ennis M S J Hammer
GB8611091D0 (en) * 1986-05-07 1986-06-11 Ennis M S J Borehole drill construction

Also Published As

Publication number Publication date
JPS62292308A (ja) 1987-12-19
CN1009469B (zh) 1990-09-05
FI872022A0 (fi) 1987-05-07
NO871884L (no) 1987-11-09
FI872022A (fi) 1987-11-08
BR8702310A (pt) 1988-02-17
AU7222287A (en) 1987-11-12
GB8611091D0 (en) 1986-06-11
DK227987A (da) 1987-11-08
CN87103385A (zh) 1987-11-18
ZA872969B (en) 1987-10-20
CA1282053C (en) 1991-03-26
EP0244986A2 (en) 1987-11-11
EP0244986A3 (en) 1988-10-26
AU584797B2 (en) 1989-06-01
NO871884D0 (no) 1987-05-06
US4765418A (en) 1988-08-23

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment