RO73090B - Racord special - Google Patents

Racord special

Info

Publication number
RO73090B
RO73090B RO85693A RO8569376A RO73090B RO 73090 B RO73090 B RO 73090B RO 85693 A RO85693 A RO 85693A RO 8569376 A RO8569376 A RO 8569376A RO 73090 B RO73090 B RO 73090B
Authority
RO
Romania
Prior art keywords
special connection
coupling
solidarized
semicircles
plug
Prior art date
Application number
RO85693A
Other languages
English (en)
Other versions
RO73090A (ro
Inventor
Rainer Jurgens
Gerhard Exner
Original Assignee
Christensen 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 Christensen Inc. filed Critical Christensen Inc.
Publication of RO73090B publication Critical patent/RO73090B/ro
Publication of RO73090A publication Critical patent/RO73090A/ro

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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1085—Wear protectors; Blast joints; Hard facing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/24—Brasses; Bushes; Linings with different areas of the sliding surface consisting of different materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Cable Accessories (AREA)

Abstract

Racord, conform revendicarii 1, caracterizat prin aceea ca, într-o zona (h) de forma cilindrica a mufei (1), este practicat la exterior, un locas (i) circular, în care este introdus un inel (A) protector, format din niste semicorpuri (5 si 6) pe caresunt montate placutele (4) semicorpurile (5 si 6) fiind solidarizate între ele, precum si de mufa (1) amintita cu ajutorul unor cordoane (7,8 si 9) de sudura.
RO7685693A 1975-07-21 1976-04-20 Racord special RO73090A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/597,478 US3993368A (en) 1975-07-21 1975-07-21 Tool joint wear protectors

Publications (2)

Publication Number Publication Date
RO73090B true RO73090B (ro) 1983-08-30
RO73090A RO73090A (ro) 1983-09-26

Family

ID=24391681

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7685693A RO73090A (ro) 1975-07-21 1976-04-20 Racord special

Country Status (8)

Country Link
US (1) US3993368A (ro)
JP (1) JPS5213401A (ro)
BE (1) BE843919A (ro)
CA (1) CA1037946A (ro)
DE (1) DE2632534C3 (ro)
FR (1) FR2319005A1 (ro)
GB (1) GB1496641A (ro)
RO (1) RO73090A (ro)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52151101U (ro) * 1976-05-14 1977-11-16
US4060286A (en) * 1976-10-01 1977-11-29 Reynolds Metals Company Wear resistant drill pipe collar and method of making same
US4156374A (en) * 1978-03-20 1979-05-29 Shwayder Warren M Pre-formed wear pads for drill stabilizers
JPS54155036U (ro) * 1978-04-20 1979-10-27
JPS5551910A (en) * 1978-10-13 1980-04-16 Nippon Radiator Co Ltd Active muffler
US4277869A (en) * 1979-07-30 1981-07-14 Hartwell Charles A Stabilizer
US4296973A (en) * 1980-01-09 1981-10-27 Hartwell Charles A Segmented hardfaced collar for tool joints
JPS57135212A (en) * 1981-02-16 1982-08-20 Agency Of Ind Science & Technol Muffler
US4379494A (en) * 1981-10-05 1983-04-12 International Petroleum Engineering Corporation Replaceable drill stabilizer sleeve
JPS595049U (ja) * 1982-07-03 1984-01-13 オムロン株式会社 カ−ドリ−ダ
GB2125466B (en) * 1982-08-18 1986-02-05 Hunting Oilfield Services Improvement in and relating to drill pipes
US4665996A (en) * 1986-03-31 1987-05-19 Exxon Production Research Company Method for reducing friction in drilling operations
CA2038378C (en) * 1991-03-25 1998-08-18 Irvin Joseph Laporte (Bud) Stabilized drill tube
JPH0552530U (ja) * 1991-11-20 1993-07-13 株式会社ガスター 燃焼器具の消音構造
GB9224359D0 (en) * 1992-11-20 1993-01-13 Powada Frederick Drill string protection
CA2353249A1 (en) * 2001-07-18 2003-01-18 Maurice William Slack Pipe centralizer and method of attachment
US7361411B2 (en) * 2003-04-21 2008-04-22 Att Technology, Ltd. Hardfacing alloy, methods, and products
US20090258250A1 (en) * 2003-04-21 2009-10-15 ATT Technology, Ltd. d/b/a Amco Technology Trust, Ltd. Balanced Composition Hardfacing Alloy
WO2005001234A1 (en) * 2003-06-30 2005-01-06 Todd Andrew Haines Sub-assembly for drill strings
US20070209839A1 (en) * 2006-03-08 2007-09-13 ATT Technology Trust, Ltd. d/b/a Arnco Technology Trust, Ltd. System and method for reducing wear in drill pipe sections
US7600587B1 (en) * 2008-03-19 2009-10-13 Clark Barton Keck Wear resistant sleeve for sub assembly
US8025107B2 (en) * 2008-05-15 2011-09-27 Longyear Tm, Inc. Reamer with polycrystalline diamond compact inserts
CN201273149Y (zh) * 2008-09-16 2009-07-15 斯高特 一种钻具
US8783344B2 (en) 2011-03-14 2014-07-22 Thein Htun Aung Integral wear pad and method
US20140305627A1 (en) * 2013-04-15 2014-10-16 Halliburton Energy Services, Inc. Anti-wear device for composite packers and plugs
CN103510880A (zh) * 2013-09-30 2014-01-15 无锡中地地质装备有限公司 钻机中的耐磨环与接头的连接结构
CN105537586B (zh) * 2015-12-14 2018-02-16 中国石油大学(北京) 凸台式金刚石复合材料防磨带的加工方法、模具和防磨带
CN109505527B (zh) * 2019-01-10 2023-07-14 西南石油大学 一种用于钻杆与隔水管防磨的接头及使用方法
US11525313B2 (en) * 2019-11-25 2022-12-13 Kondex Corporation Wear enhancement of HDD drill string components
CN111577157A (zh) * 2020-05-26 2020-08-25 中国石油天然气集团有限公司 一种铝合金钻杆
CN111561273A (zh) * 2020-05-26 2020-08-21 中国石油天然气集团有限公司 一种钛合金钻杆接头
CN115045623B (zh) * 2021-03-08 2025-02-25 中国石油天然气集团有限公司 耐磨件、耐磨件的制造工艺、钻杆及钻柱
AU2021106799A4 (en) * 2021-08-20 2021-11-18 Boart Longyear Manufacturing And Distribution Inc. Drill rods having stabilizers and systems and methods comprising same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334350A (en) * 1941-10-27 1943-11-16 Hughes Tool Co Wear-resisting tool joint
DE943341C (de) * 1953-12-19 1956-05-17 Winter & Sohn Ernst Raeumer fuer Tiefbohrkronen
US2985492A (en) * 1958-09-05 1961-05-23 Hughes Tool Co Protection of tool joints
US3054647A (en) * 1959-12-02 1962-09-18 American Iron & Machine Works Drill pipe coupling
US3074767A (en) * 1959-12-02 1963-01-22 American Iron & Machine Works Wear-resisting drill pipe coupling
US3067593A (en) * 1960-08-29 1962-12-11 American Iron & Machine Works Integral tool joint drill pipe
US3180440A (en) * 1962-12-31 1965-04-27 Jersey Prod Res Co Drag bit
US3140748A (en) * 1963-05-16 1964-07-14 Kennametal Inc Earth boring drill bit
SU483863A1 (ru) * 1973-01-03 1980-06-15 Всесоюзный Научно-Исследоваельский И Проектный Институт Тугоплавких Металлов И Твердых Сплавов Способ изготовлени алмазного бурового инструмента

Also Published As

Publication number Publication date
FR2319005B1 (ro) 1982-07-23
DE2632534C3 (de) 1979-01-25
JPS5519358B2 (ro) 1980-05-26
BE843919A (fr) 1976-11-03
FR2319005A1 (fr) 1977-02-18
DE2632534B2 (de) 1978-06-01
GB1496641A (en) 1977-12-30
CA1037946A (en) 1978-09-05
RO73090A (ro) 1983-09-26
DE2632534A1 (de) 1977-01-27
US3993368A (en) 1976-11-23
JPS5213401A (en) 1977-02-01

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