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GB1208019A - Bits and nozzles for use in hydraulic drilling - Google Patents

Bits and nozzles for use in hydraulic drilling

Info

Publication number
GB1208019A
GB1208019A GB4931067A GB4931067A GB1208019A GB 1208019 A GB1208019 A GB 1208019A GB 4931067 A GB4931067 A GB 4931067A GB 4931067 A GB4931067 A GB 4931067A GB 1208019 A GB1208019 A GB 1208019A
Authority
GB
United Kingdom
Prior art keywords
nozzle
passage
bore
bits
entry surface
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
GB4931067A
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.)
Gulf Research and Development Co
Original Assignee
Gulf Research and Development Co
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 Gulf Research and Development Co filed Critical Gulf Research and Development Co
Publication of GB1208019A publication Critical patent/GB1208019A/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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

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)

Abstract

1,208,019. Jetting drill bits. GULF RESEARCH & DEVELOPMENT CO. 31 Oct., 1967 [3 Nov., 1966], No. 49310/67 Heading E1F. The life of an earth-boring drill bit jetting nozzle, which allows of the emergence of a high velocity jet of liquid and abrasive particles from the bit, is prolonged by the appropriate shaping of the flow passage through the nozzle. The entry surface of the passage is defined by the rotation about the axis of the passage of an arc of a circle of a radius R of between 12.7 to 444.5 cms., this entry surface merging tangentially with the cylindrical bore of the exit portion T of the nozzle of which the exit bore is smaller than the inlet bore. Reference has been directed by the Comptroller to Specifications 1,136,739 and 1,136,740
GB4931067A 1966-11-03 1967-10-31 Bits and nozzles for use in hydraulic drilling Expired GB1208019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59175866A 1966-11-03 1966-11-03

Publications (1)

Publication Number Publication Date
GB1208019A true GB1208019A (en) 1970-10-07

Family

ID=24367812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4931067A Expired GB1208019A (en) 1966-11-03 1967-10-31 Bits and nozzles for use in hydraulic drilling

Country Status (5)

Country Link
BE (1) BE706030A (en)
DE (1) DE1558975A1 (en)
FR (1) FR1550290A (en)
GB (1) GB1208019A (en)
NL (1) NL6714997A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107654477A (en) * 2017-09-07 2018-02-02 安庆市振发汽车锻件有限责任公司 A kind of automobile gearbox two axles of output and its roughing technique
RU2771665C1 (en) * 2021-10-07 2022-05-11 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Jet nozzle for horizontal wellbore acidizing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748300B (en) * 2019-11-19 2020-09-25 中国石油大学(华东) Drill bit with combined action of induced load and abrasive jet and drilling method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107654477A (en) * 2017-09-07 2018-02-02 安庆市振发汽车锻件有限责任公司 A kind of automobile gearbox two axles of output and its roughing technique
RU2771665C1 (en) * 2021-10-07 2022-05-11 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Jet nozzle for horizontal wellbore acidizing

Also Published As

Publication number Publication date
NL6714997A (en) 1968-05-06
BE706030A (en) 1968-03-18
DE1558975A1 (en) 1970-04-23
FR1550290A (en) 1968-12-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees