[go: up one dir, main page]

GB201904424D0 - Drill string - Google Patents

Drill string

Info

Publication number
GB201904424D0
GB201904424D0 GBGB1904424.7A GB201904424A GB201904424D0 GB 201904424 D0 GB201904424 D0 GB 201904424D0 GB 201904424 A GB201904424 A GB 201904424A GB 201904424 D0 GB201904424 D0 GB 201904424D0
Authority
GB
United Kingdom
Prior art keywords
drill string
drill
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.)
Ceased
Application number
GBGB1904424.7A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB201904424D0 publication Critical patent/GB201904424D0/en
Priority to EP19778596.7A priority Critical patent/EP3867485A2/en
Priority to CA3110768A priority patent/CA3110768A1/en
Priority to CN201980055966.6A priority patent/CN112739884A/en
Priority to US17/264,704 priority patent/US20210310313A1/en
Priority to EA202191008A priority patent/EA202191008A1/en
Priority to PCT/GB2019/052624 priority patent/WO2020079393A2/en
Priority to MX2021002593A priority patent/MX2021002593A/en
Ceased legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32Drill 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/02Fluid rotary type drives

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)
GBGB1904424.7A 2018-10-18 2019-03-29 Drill string Ceased GB201904424D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP19778596.7A EP3867485A2 (en) 2018-10-18 2019-09-18 Drill string with a downhole reamer
CA3110768A CA3110768A1 (en) 2018-10-18 2019-09-18 Drill string
CN201980055966.6A CN112739884A (en) 2018-10-18 2019-09-18 Drill string with underreaming device
US17/264,704 US20210310313A1 (en) 2018-10-18 2019-09-18 Drill string
EA202191008A EA202191008A1 (en) 2018-10-18 2019-09-18 DRILL COLUMN
PCT/GB2019/052624 WO2020079393A2 (en) 2018-10-18 2019-09-18 Drill string
MX2021002593A MX2021002593A (en) 2018-10-18 2019-09-18 Drill string.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1816969.8A GB201816969D0 (en) 2018-10-18 2018-10-18 Downhole reamer apparatus

Publications (1)

Publication Number Publication Date
GB201904424D0 true GB201904424D0 (en) 2019-05-15

Family

ID=64453780

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1816969.8A Ceased GB201816969D0 (en) 2018-10-18 2018-10-18 Downhole reamer apparatus
GBGB1904424.7A Ceased GB201904424D0 (en) 2018-10-18 2019-03-29 Drill string

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1816969.8A Ceased GB201816969D0 (en) 2018-10-18 2018-10-18 Downhole reamer apparatus

Country Status (8)

Country Link
US (1) US20210310313A1 (en)
EP (1) EP3867485A2 (en)
CN (1) CN112739884A (en)
CA (1) CA3110768A1 (en)
EA (1) EA202191008A1 (en)
GB (2) GB201816969D0 (en)
MX (1) MX2021002593A (en)
WO (1) WO2020079393A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118148502B (en) * 2024-05-09 2024-07-23 河南普申建筑工程有限公司 Reaming device for geological investigation for engineering construction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1822216A (en) * 1927-02-26 1931-09-08 Earl S Hartson Underreamer
US1743528A (en) * 1927-04-09 1930-01-14 Grant John Underreamer
US1663048A (en) * 1927-04-11 1928-03-20 Earl S Hartson Underreamer
US1794735A (en) * 1927-10-22 1931-03-03 Grant John Rotary expanding underreamer
GB302900A (en) * 1927-12-22 1930-02-06 Grant John Underreamer
US1828750A (en) * 1931-01-24 1931-10-27 Grant John Underreamer
NO310311B1 (en) * 1999-06-24 2001-06-18 Thor Bjoernstad underreamed
US6439323B1 (en) * 2000-11-30 2002-08-27 Westerngeco L.L.C. Seismic shothole reaming module
US20150144401A1 (en) * 2013-11-27 2015-05-28 Smith International, Inc. Hydraulically actuated tool with electrical throughbore
CN104806170B (en) * 2015-05-13 2017-03-01 西南石油大学 A kind of drilling well big reducing re-drill bit of coal mining

Also Published As

Publication number Publication date
MX2021002593A (en) 2021-05-12
GB201816969D0 (en) 2018-12-05
WO2020079393A2 (en) 2020-04-23
EA202191008A1 (en) 2021-08-31
WO2020079393A3 (en) 2020-05-28
EP3867485A2 (en) 2021-08-25
CA3110768A1 (en) 2020-04-23
US20210310313A1 (en) 2021-10-07
CN112739884A (en) 2021-04-30

Similar Documents

Publication Publication Date Title
GB2587561B (en) Downhole tool
GB202207645D0 (en) Wing rig
GB2577290B (en) Drilling rig system
GB201802593D0 (en) Rig
ZA202005182B (en) Connection for percussion drilling
EP3880931C0 (en) DRILL BITS
GB201807021D0 (en) Wellbore reamer
ZA201904687B (en) Rock drilling device
GB201804076D0 (en) Hammer Drill
PL3505717T3 (en) Drill bit
GB201812437D0 (en) Hammer drill
GB2576011B (en) Downhole Tool
ZA202105270B (en) Drill string rod
ZA201703027B (en) Rock drill
GB2584670B (en) Drilling rig
HUE072305T2 (en) Wellbore drilling compositions
GB201809767D0 (en) Downhole tool
GB201800250D0 (en) Drill bit with wearshield
GB201904424D0 (en) Drill string
GB2590564B (en) Downhole tool
GB2578774B (en) Centraliser
GB201816666D0 (en) Drilling method
GB201807031D0 (en) Downhole tool
GB201817441D0 (en) Drill rig
ZA201806348B (en) Drill rig

Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)