ZM278A1 - Improvements in or relating to apparatus for use in drilling - Google Patents

Improvements in or relating to apparatus for use in drilling

Info

Publication number
ZM278A1
ZM278A1 ZM2/78A ZM278A ZM278A1 ZM 278 A1 ZM278 A1 ZM 278A1 ZM 2/78 A ZM2/78 A ZM 2/78A ZM 278 A ZM278 A ZM 278A ZM 278 A1 ZM278 A1 ZM 278A1
Authority
ZM
Zambia
Prior art keywords
drilling
relating
Prior art date
Application number
ZM2/78A
Original Assignee
Padley & Venables Ltd
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
Priority claimed from GB926/77A external-priority patent/GB1564473A/en
Application filed by Padley & Venables Ltd filed Critical Padley & Venables Ltd
Publication of ZM278A1 publication Critical patent/ZM278A1/en

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
    • 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
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7001—Crossed rods
    • Y10T403/7003—One rod is encompassed by the other

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)
  • Prostheses (AREA)
ZM2/78A 1977-01-11 1978-01-06 Improvements in or relating to apparatus for use in drilling ZM278A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB926/77A GB1564473A (en) 1977-01-11 1977-01-11 Screw threadedly connectable drill elements
GB1311477 1977-03-29
GB1338677 1977-03-30

Publications (1)

Publication Number Publication Date
ZM278A1 true ZM278A1 (en) 1978-07-21

Family

ID=27253792

Family Applications (1)

Application Number Title Priority Date Filing Date
ZM2/78A ZM278A1 (en) 1977-01-11 1978-01-06 Improvements in or relating to apparatus for use in drilling

Country Status (6)

Country Link
US (1) US4332502A (en)
CA (1) CA1085815A (en)
DE (1) DE2800887C2 (en)
FR (1) FR2398912A1 (en)
SE (1) SE439948B (en)
ZM (1) ZM278A1 (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE459681B (en) * 1985-01-07 1989-07-24 Santrade Ltd DRILLING ELEMENT BEFORE SHOCK DRILLING
SE469602B (en) * 1985-04-04 1993-08-02 Sandvik Ab CUTTING HEAD BEFORE SHOCK DRILLING
US4943094A (en) * 1988-09-30 1990-07-24 Centron Corporation Threaded pin and box construction for composite tubulars
US5163523A (en) * 1990-05-29 1992-11-17 Sandvik Rock Tools, Inc. Screw thread structure for percussion drill driver sub and case
US5056611A (en) * 1990-05-29 1991-10-15 Galloway Trust Screw thread structure
AT398230B (en) * 1992-03-16 1994-10-25 Gd Anker Mai Pump Ges M B H Coupling for anchor rods
DE19541163A1 (en) * 1995-11-04 1997-05-07 Hawera Probst Kg Hartmetall Drilling tool, in particular for processing stone
DE29614490U1 (en) * 1996-08-21 1996-11-21 Röhrenwerk Kupferdreh Carl Hamm GmbH, 45257 Essen Probing device, especially for the investigation of soil and contaminated sites
AUPO445897A0 (en) 1997-01-06 1997-01-30 Boart Longyear Inc. Straight hole drilling system
AU722409B3 (en) * 1997-01-06 2000-08-03 Boart Longyear Inc. Straight hole drilling system
SE514137C2 (en) * 1998-03-24 2001-01-08 Sandvik Ab Threaded joints for striking drilling, male and female part to be included in a threaded joint for striking drilling as well as method for manufacturing a product with a thread to be included in a threaded joint for striking drilling
SE516651C2 (en) 1999-11-26 2002-02-05 Sandvik Ab Threaded joints for striking drilling, a trade and a female part
US7108063B2 (en) * 2000-09-25 2006-09-19 Carstensen Kenneth J Connectable rod system for driving downhole pumps for oil field installations
US7596847B2 (en) * 2000-09-25 2009-10-06 Carstensen Kenneth J Connectable rod system for driving downhole pumps for oil field installations
EP1407115B1 (en) * 2001-07-19 2006-03-15 Atlas Copco Mai GmbH Connecting an anchoring rod to a drilling tool
SE520077C2 (en) * 2002-06-27 2003-05-20 Sandvik Ab Male part for percussion drilling of rock, has threaded end section with specific geometry adjacent to stop surface
AU2010295518B2 (en) * 2009-09-18 2016-05-26 Zimmer Gmbh Disposable orthopaedic surgery kit and components
US10390867B2 (en) 2009-09-18 2019-08-27 Biomet C.V. Bone plate system and method
US9107711B2 (en) * 2013-02-20 2015-08-18 Stryker Trauma Sa Screw thread with flattened peaks
US9643262B2 (en) 2013-07-25 2017-05-09 Kennametal Inc. Coupling mechanism for cutting tool
US9643264B2 (en) 2013-07-25 2017-05-09 Kennametal Inc. Coupling mechanism for cutting tool
EP2845991B1 (en) 2013-09-09 2015-11-18 Sandvik Intellectual Property AB Drill string rod with strengthened spigot coupling
PL2845992T3 (en) * 2013-09-09 2016-07-29 Sandvik Intellectual Property Drill string with bend resistant coupling
US10443318B2 (en) 2013-12-27 2019-10-15 Halliburton Energy Services, Inc. Threaded connection with high bend and torque capacities
US9889509B2 (en) 2014-05-05 2018-02-13 Kennametal Inc. Cutter heads with improved coupling
EP3023575A1 (en) 2014-11-21 2016-05-25 Sandvik Intellectual Property AB Drill string rod with shoulder
US10041307B2 (en) 2015-01-22 2018-08-07 National Oilwell Varco, L.P. Balanced thread form, tubulars employing the same, and methods relating thereto
PT3536894T (en) * 2018-03-09 2020-11-19 Sandvik Mining And Construction Tools Ab Coupling for connecting downhole tubulars
EP3663506B1 (en) * 2018-12-03 2022-11-16 Sandvik Mining and Construction G.m.b.H. A drilling string, threaded coupling, and rod adaptor for rotary drilling
US11199056B2 (en) 2019-02-06 2021-12-14 James Jing Yao Threaded coupling for percussion drill bit
PL3712374T3 (en) 2019-03-18 2023-01-16 Sandvik Mining And Construction Tools Ab Drill string rod
US11396962B2 (en) 2019-06-06 2022-07-26 Fermata Technologies, Llc Arcuate thread form fit
EP3819458B1 (en) 2019-11-08 2022-10-19 Sandvik Mining and Construction Tools AB Strengthened percussive drill string female coupling
PL3879065T3 (en) 2020-03-11 2023-03-13 Sandvik Mining And Construction Tools Ab Elliptical design for male thread clearance
EP3933165A1 (en) 2020-06-30 2022-01-05 Sandvik Mining and Construction Tools AB Thread clearance
US11426803B2 (en) * 2020-09-08 2022-08-30 Iscar, Ltd. Replaceable cutting head having external thread with concavely curved root and rotary cutting tool
EP3971385B1 (en) 2020-09-17 2023-06-07 Sandvik Mining and Construction Tools AB Drill string joint design
EP4183975B1 (en) 2021-11-19 2024-05-15 Sandvik Mining and Construction Tools AB Thread pitch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1849066A (en) * 1929-07-03 1932-03-15 Dardelet Threadlock Corp Tight holding coupling
US3129963A (en) * 1960-06-30 1964-04-21 Robbins Machine & Mfg Co Low release torque threaded joint
GB1111995A (en) * 1964-05-29 1968-05-01 Sandvikens Jernverks Ab Improvements in threaded drill rod elements
US3355192A (en) * 1965-08-09 1967-11-28 Drilco Oil Tools Inc Threaded connections
US3586353A (en) * 1969-01-13 1971-06-22 Howard I Lorenz Thread arrangement for earth boring members
SE336316B (en) * 1969-10-22 1971-07-05 Fagersta Bruks Ab
SE401232B (en) * 1970-05-04 1978-04-24 Sandvik Ab THREADED CONNECTION FOR IMPACT BRUSHES
US3822952A (en) * 1971-01-07 1974-07-09 Sandvik Ab Drill rod coupling

Also Published As

Publication number Publication date
SE439948B (en) 1985-07-08
US4332502A (en) 1982-06-01
FR2398912B1 (en) 1984-08-10
DE2800887A1 (en) 1978-07-13
FR2398912A1 (en) 1979-02-23
DE2800887C2 (en) 1982-02-25
CA1085815A (en) 1980-09-16
SE7800298L (en) 1978-07-12

Similar Documents

Publication Publication Date Title
ZM278A1 (en) Improvements in or relating to apparatus for use in drilling
ZA774472B (en) Improvements in or relating to screening apparatus
MY8800108A (en) Improvements in or relating to humidifying apparatus
GB2002213B (en) Apparatus in or relating to ploughs
ZA783493B (en) Improvement in or relating to heterocyclic compounds
JPS54106001A (en) Drilling apparatus
GB2005953B (en) Apparatus for use in tomography
GB2007938B (en) Apparatus for use in tomography
ZA786014B (en) Improvements in or relating to filtration apparatus
GB2007939B (en) Apparatus for use in tomography
JPS53104490A (en) Tools for use in boring
HK13381A (en) Improvements in or relating to tools
ZA777388B (en) Improvements in or relating to apparatus for use in drilling
ZA764220B (en) Improvements in or relating to hydraulically powered percussive apparatus
ZA775085B (en) Improvements in or relating to measuring apparatus
GB2048747B (en) Drilling apparatus
ZA781252B (en) Improvements in or relating to an agglomerating apparatus
ZA772472B (en) Improvements in or relating to cooling apparatus
ZA773203B (en) Improvements in or relating to apparatus for use in mining
DE2861017D1 (en) Improvements in or relating to decollators
PH15739A (en) Improvements in or relating to ergoline compounds
EG13064A (en) Improvements in or relating to condensate-removing apparatus
ZA77449B (en) Improvements in or relating to manifolding apparatus
ZA773306B (en) Improvements in or relating to drills
ZA75927B (en) Improvements in or relating to drilling apparatus