GB201816969D0 - Downhole reamer apparatus - Google Patents

Downhole reamer apparatus

Info

Publication number
GB201816969D0
GB201816969D0 GBGB1816969.8A GB201816969A GB201816969D0 GB 201816969 D0 GB201816969 D0 GB 201816969D0 GB 201816969 A GB201816969 A GB 201816969A GB 201816969 D0 GB201816969 D0 GB 201816969D0
Authority
GB
United Kingdom
Prior art keywords
reamer apparatus
downhole reamer
downhole
reamer
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
GBGB1816969.8A
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
Priority to GBGB1816969.8A priority Critical patent/GB201816969D0/en
Publication of GB201816969D0 publication Critical patent/GB201816969D0/en
Priority to GBGB1904424.7A priority patent/GB201904424D0/en
Priority to CA3110768A priority patent/CA3110768A1/en
Priority to EA202191008A priority patent/EA202191008A1/en
Priority to MX2021002593A priority patent/MX2021002593A/en
Priority to US17/264,704 priority patent/US20210310313A1/en
Priority to PCT/GB2019/052624 priority patent/WO2020079393A2/en
Priority to CN201980055966.6A priority patent/CN112739884A/en
Priority to EP19778596.7A priority patent/EP3867485A2/en
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
GBGB1816969.8A 2018-10-18 2018-10-18 Downhole reamer apparatus Ceased GB201816969D0 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GBGB1816969.8A GB201816969D0 (en) 2018-10-18 2018-10-18 Downhole reamer apparatus
GBGB1904424.7A GB201904424D0 (en) 2018-10-18 2019-03-29 Drill string
CA3110768A CA3110768A1 (en) 2018-10-18 2019-09-18 Drill string
EA202191008A EA202191008A1 (en) 2018-10-18 2019-09-18 DRILL COLUMN
MX2021002593A MX2021002593A (en) 2018-10-18 2019-09-18 Drill string.
US17/264,704 US20210310313A1 (en) 2018-10-18 2019-09-18 Drill string
PCT/GB2019/052624 WO2020079393A2 (en) 2018-10-18 2019-09-18 Drill string
CN201980055966.6A CN112739884A (en) 2018-10-18 2019-09-18 Drill string with underreaming device
EP19778596.7A EP3867485A2 (en) 2018-10-18 2019-09-18 Drill string with a downhole reamer

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
GB201816969D0 true GB201816969D0 (en) 2018-12-05

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 After (1)

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

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)

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
WO2020079393A2 (en) 2020-04-23
CA3110768A1 (en) 2020-04-23
US20210310313A1 (en) 2021-10-07
WO2020079393A3 (en) 2020-05-28
EA202191008A1 (en) 2021-08-31
CN112739884A (en) 2021-04-30
MX2021002593A (en) 2021-05-12
GB201904424D0 (en) 2019-05-15
EP3867485A2 (en) 2021-08-25

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Legal Events

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