GB2583710B - Drill bit, downhole tubular string and methods for operating the same - Google Patents

Drill bit, downhole tubular string and methods for operating the same Download PDF

Info

Publication number
GB2583710B
GB2583710B GB1905808.0A GB201905808A GB2583710B GB 2583710 B GB2583710 B GB 2583710B GB 201905808 A GB201905808 A GB 201905808A GB 2583710 B GB2583710 B GB 2583710B
Authority
GB
United Kingdom
Prior art keywords
operating
methods
same
drill bit
tubular string
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.)
Expired - Fee Related
Application number
GB1905808.0A
Other versions
GB201905808D0 (en
GB2583710A (en
Inventor
Mccrae Tulloch Rory
Henry Walter Macfarlane Alastair
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.)
NOV Downhole Eurasia Ltd
Original Assignee
NOV Downhole Eurasia 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
Application filed by NOV Downhole Eurasia Ltd filed Critical NOV Downhole Eurasia Ltd
Priority to GB1905808.0A priority Critical patent/GB2583710B/en
Publication of GB201905808D0 publication Critical patent/GB201905808D0/en
Priority to PCT/EP2020/061403 priority patent/WO2020216874A1/en
Publication of GB2583710A publication Critical patent/GB2583710A/en
Application granted granted Critical
Publication of GB2583710B publication Critical patent/GB2583710B/en
Expired - Fee Related 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • 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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB1905808.0A 2019-04-25 2019-04-25 Drill bit, downhole tubular string and methods for operating the same Expired - Fee Related GB2583710B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1905808.0A GB2583710B (en) 2019-04-25 2019-04-25 Drill bit, downhole tubular string and methods for operating the same
PCT/EP2020/061403 WO2020216874A1 (en) 2019-04-25 2020-04-23 Drill bit, downhole tubular string and methods for operating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1905808.0A GB2583710B (en) 2019-04-25 2019-04-25 Drill bit, downhole tubular string and methods for operating the same

Publications (3)

Publication Number Publication Date
GB201905808D0 GB201905808D0 (en) 2019-06-05
GB2583710A GB2583710A (en) 2020-11-11
GB2583710B true GB2583710B (en) 2021-09-15

Family

ID=66810137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1905808.0A Expired - Fee Related GB2583710B (en) 2019-04-25 2019-04-25 Drill bit, downhole tubular string and methods for operating the same

Country Status (2)

Country Link
GB (1) GB2583710B (en)
WO (1) WO2020216874A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3259437A1 (en) * 2015-02-19 2017-12-27 Nov Downhole Eurasia Limited Selective downhole actuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107466336A (en) * 2015-04-15 2017-12-12 哈利伯顿能源服务公司 The Remote Hydraulic control of downhole tool
US10214968B2 (en) * 2015-12-02 2019-02-26 Baker Hughes Incorporated Earth-boring tools including selectively actuatable cutting elements and related methods

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3259437A1 (en) * 2015-02-19 2017-12-27 Nov Downhole Eurasia Limited Selective downhole actuator

Also Published As

Publication number Publication date
GB201905808D0 (en) 2019-06-05
WO2020216874A9 (en) 2021-04-01
WO2020216874A1 (en) 2020-10-29
GB2583710A (en) 2020-11-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230425