GB263392A - Improvements in rotary bits for well boring - Google Patents

Improvements in rotary bits for well boring

Info

Publication number
GB263392A
GB263392A GB13470/26A GB1347026A GB263392A GB 263392 A GB263392 A GB 263392A GB 13470/26 A GB13470/26 A GB 13470/26A GB 1347026 A GB1347026 A GB 1347026A GB 263392 A GB263392 A GB 263392A
Authority
GB
United Kingdom
Prior art keywords
passage
blades
cutter
pilot
bore
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
Application number
GB13470/26A
Other languages
English (en)
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.)
JOHN ADOLPH ZUBLIN
Original Assignee
JOHN ADOLPH ZUBLIN
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 to NL20765D priority Critical patent/NL20765C/xx
Priority to US96158A priority patent/US1758773A/en
Application filed by JOHN ADOLPH ZUBLIN filed Critical JOHN ADOLPH ZUBLIN
Priority to GB13470/26A priority patent/GB263392A/en
Priority to DEZ16098D priority patent/DE571442C/de
Publication of GB263392A publication Critical patent/GB263392A/en
Expired legal-status Critical Current

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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
    • 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
    • E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB13470/26A 1926-03-20 1926-05-27 Improvements in rotary bits for well boring Expired GB263392A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL20765D NL20765C (enrdf_load_stackoverflow) 1926-05-27
US96158A US1758773A (en) 1926-03-20 1926-03-20 Method of and bit for cutting alpha hole larger than the bit
GB13470/26A GB263392A (en) 1926-05-27 1926-05-27 Improvements in rotary bits for well boring
DEZ16098D DE571442C (de) 1926-05-27 1926-06-13 Drehbohrer mit schraeg verlaufendem Zapfen und darauf angeordnetem Schneidkopf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13470/26A GB263392A (en) 1926-05-27 1926-05-27 Improvements in rotary bits for well boring

Publications (1)

Publication Number Publication Date
GB263392A true GB263392A (en) 1926-12-30

Family

ID=10023544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13470/26A Expired GB263392A (en) 1926-03-20 1926-05-27 Improvements in rotary bits for well boring

Country Status (2)

Country Link
GB (1) GB263392A (enrdf_load_stackoverflow)
NL (1) NL20765C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711435A (zh) * 2014-01-15 2014-04-09 宜昌神达石油机械有限公司 一种钻井用牙盘金刚石钻头
CN112627737A (zh) * 2020-11-30 2021-04-09 安东通奥科技产业股份有限公司 扩眼工具
CN112696155A (zh) * 2019-10-22 2021-04-23 西南石油大学 一种具有后排齿水孔的pdc钻头

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711435A (zh) * 2014-01-15 2014-04-09 宜昌神达石油机械有限公司 一种钻井用牙盘金刚石钻头
CN103711435B (zh) * 2014-01-15 2016-01-06 宜昌神达石油机械有限公司 一种钻井用牙盘金刚石钻头
CN112696155A (zh) * 2019-10-22 2021-04-23 西南石油大学 一种具有后排齿水孔的pdc钻头
CN112627737A (zh) * 2020-11-30 2021-04-09 安东通奥科技产业股份有限公司 扩眼工具

Also Published As

Publication number Publication date
NL20765C (enrdf_load_stackoverflow) 1929-05-15

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