CA2631414A1 - Filet protecteur pour un appareil de forage - Google Patents

Filet protecteur pour un appareil de forage Download PDF

Info

Publication number
CA2631414A1
CA2631414A1 CA002631414A CA2631414A CA2631414A1 CA 2631414 A1 CA2631414 A1 CA 2631414A1 CA 002631414 A CA002631414 A CA 002631414A CA 2631414 A CA2631414 A CA 2631414A CA 2631414 A1 CA2631414 A1 CA 2631414A1
Authority
CA
Canada
Prior art keywords
top drive
safety net
net
motor housing
fasteners
Prior art date
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.)
Abandoned
Application number
CA002631414A
Other languages
English (en)
Inventor
Bradley R. Cote
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.)
BBJ Tools Inc
Original Assignee
BBJ Tools 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 BBJ Tools Inc filed Critical BBJ Tools Inc
Publication of CA2631414A1 publication Critical patent/CA2631414A1/fr
Abandoned 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Earth Drilling (AREA)
CA002631414A 2007-05-18 2008-05-15 Filet protecteur pour un appareil de forage Abandoned CA2631414A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93889107P 2007-05-18 2007-05-18
US60/938,891 2007-05-18

Publications (1)

Publication Number Publication Date
CA2631414A1 true CA2631414A1 (fr) 2008-11-18

Family

ID=40026373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002631414A Abandoned CA2631414A1 (fr) 2007-05-18 2008-05-15 Filet protecteur pour un appareil de forage

Country Status (2)

Country Link
US (1) US20080283303A1 (fr)
CA (1) CA2631414A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2192264A1 (fr) * 2008-11-28 2010-06-02 Roblon A/s Filet doté de bandes de matériau composite
NO339295B1 (no) * 2010-10-12 2016-11-21 Nat Oilwell Varco Norway As Fangkurvsystem for en underdekks rørhåndteringsmaskin
US9303468B2 (en) 2010-11-02 2016-04-05 National Oilwell Varco Norway As Drilling system and a device for assembling and disassembling pipe stands
CN113286552B (zh) 2018-11-28 2025-05-02 希斯托索尼克斯公司 组织摧毁术系统及方法
JP2023530477A (ja) 2020-06-18 2023-07-18 ヒストソニックス，インコーポレーテッド 組織破砕音響／患者結合システムおよび方法
EP4351718A4 (fr) 2021-06-07 2025-03-26 The Regents of The University of Michigan Méthodes et systèmes d'histotripsie minimalement invasifs
JP2025541177A (ja) * 2022-12-09 2025-12-18 ヒストソニックス，インコーポレーテッド ヒストトリプシシステムおよび方法のための超音波連結デバイス

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1035854A (en) * 1911-08-26 1912-08-20 Harry Budd Gearing-shield.
US1218244A (en) * 1916-05-03 1917-03-06 James E Donavan Machine-protector.
US1238590A (en) * 1916-10-06 1917-08-28 Westinghouse Electric & Mfg Co Cover for dynamo-electric machines.
US1478953A (en) * 1921-06-23 1923-12-25 Happ Leonard Guard
US3455409A (en) * 1967-04-07 1969-07-15 Trans Dapt Of California Inc Transmission shield
US3491847A (en) * 1967-06-15 1970-01-27 Thomas P Abbott Explosion cover
US4285215A (en) * 1976-10-18 1981-08-25 Roeder George K Rotary table and kelly guard
US4210213A (en) * 1978-03-20 1980-07-01 Louviere Huey P Kelly bushing guard

Also Published As

Publication number Publication date
US20080283303A1 (en) 2008-11-20

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Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20140515