EP4086427B8 - Regenerationsbohrgestänge und verfahren zu dessen herstellung - Google Patents

Regenerationsbohrgestänge und verfahren zu dessen herstellung Download PDF

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Publication number
EP4086427B8
EP4086427B8 EP22000087.1A EP22000087A EP4086427B8 EP 4086427 B8 EP4086427 B8 EP 4086427B8 EP 22000087 A EP22000087 A EP 22000087A EP 4086427 B8 EP4086427 B8 EP 4086427B8
Authority
EP
European Patent Office
Prior art keywords
regeneration
manufacturing
same
drill string
drill
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.)
Active
Application number
EP22000087.1A
Other languages
English (en)
French (fr)
Other versions
EP4086427A1 (de
EP4086427B1 (de
Inventor
Thomas Heidler
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.)
H & E Bohrtechnik GmbH
Original Assignee
H & E Bohrtechnik GmbH
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 DE202021001684.8U external-priority patent/DE202021001684U1/de
Priority claimed from DE102021002424.9A external-priority patent/DE102021002424A1/de
Application filed by H & E Bohrtechnik GmbH filed Critical H & E Bohrtechnik GmbH
Publication of EP4086427A1 publication Critical patent/EP4086427A1/de
Application granted granted Critical
Publication of EP4086427B1 publication Critical patent/EP4086427B1/de
Publication of EP4086427B8 publication Critical patent/EP4086427B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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

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)
  • Drilling Tools (AREA)
EP22000087.1A 2021-05-07 2022-03-28 Regenerationsbohrgestänge und verfahren zu dessen herstellung Active EP4086427B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202021001684.8U DE202021001684U1 (de) 2021-05-07 2021-05-07 Regenerationsbohrgestänge
DE102021002424.9A DE102021002424A1 (de) 2021-05-07 2021-05-07 Regenerationsbohrgestänge und Verfahren zu dessen Herstellung

Publications (3)

Publication Number Publication Date
EP4086427A1 EP4086427A1 (de) 2022-11-09
EP4086427B1 EP4086427B1 (de) 2023-11-22
EP4086427B8 true EP4086427B8 (de) 2024-01-17

Family

ID=80979133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22000087.1A Active EP4086427B8 (de) 2021-05-07 2022-03-28 Regenerationsbohrgestänge und verfahren zu dessen herstellung

Country Status (2)

Country Link
EP (1) EP4086427B8 (de)
ES (1) ES2970008T3 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247173A (en) * 1939-03-27 1941-06-24 Huntsinger Fritz Drilling collar
US4296973A (en) * 1980-01-09 1981-10-27 Hartwell Charles A Segmented hardfaced collar for tool joints
DE3533344A1 (de) 1985-09-16 1987-03-26 Rautenkranz Int Hermann Verschleissfeste auftragung auf hochbeanspruchte, metallische bauteile, verfahren zum aufbringen der auftragung und vorrichtung zur durchfuehrung des verfahrens
NO313711B1 (no) * 2001-06-01 2002-11-18 Rigsupply As Anordning ved en borerörkobling
US7361411B2 (en) 2003-04-21 2008-04-22 Att Technology, Ltd. Hardfacing alloy, methods, and products

Also Published As

Publication number Publication date
EP4086427A1 (de) 2022-11-09
ES2970008T3 (es) 2024-05-23
EP4086427B1 (de) 2023-11-22

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