GB1346330A - Drill strings - Google Patents

Drill strings

Info

Publication number
GB1346330A
GB1346330A GB5977071A GB5977071A GB1346330A GB 1346330 A GB1346330 A GB 1346330A GB 5977071 A GB5977071 A GB 5977071A GB 5977071 A GB5977071 A GB 5977071A GB 1346330 A GB1346330 A GB 1346330A
Authority
GB
United Kingdom
Prior art keywords
bit
sleeve
stabilizer
assembly
core
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
GB5977071A
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.)
Diamant Boart NV SA
Original Assignee
Diamant Boart NV SA
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 Diamant Boart NV SA filed Critical Diamant Boart NV SA
Publication of GB1346330A publication Critical patent/GB1346330A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/06—Releasing-joints, e.g. safety joints
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/10—Correction of deflected boreholes

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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB5977071A 1970-12-22 1971-12-22 Drill strings Expired GB1346330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10075970A 1970-12-22 1970-12-22

Publications (1)

Publication Number Publication Date
GB1346330A true GB1346330A (en) 1974-02-06

Family

ID=22281388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5977071A Expired GB1346330A (en) 1970-12-22 1971-12-22 Drill strings

Country Status (7)

Country Link
US (1) US3712392A (cs)
AU (1) AU3717771A (cs)
BE (1) BE777037A (cs)
CA (1) CA941815A (cs)
DE (1) DE2161884A1 (cs)
FR (1) FR2123279B3 (cs)
GB (1) GB1346330A (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA948181A (en) * 1971-02-12 1974-05-28 Lionel Lavallee Diamond drills
FR2324857A1 (fr) * 1975-09-19 1977-04-15 Foraco Forage Rationnel Const Raccord de couronne de forage et methode de mise en oeuvre en circulation inverse
US4293048A (en) * 1980-01-25 1981-10-06 Smith International, Inc. Jet dual bit
CA1154430A (en) * 1981-08-21 1983-09-27 Paul Knutsen Integral blade cylindrical gauge stabilizer-reamer
US5107942A (en) * 1991-04-04 1992-04-28 Baker Hughes Incorporated Inner tube stabilizer for a corebarrel
US7493949B2 (en) * 2003-07-10 2009-02-24 Collapsing Stabilizer Tool, Ltd. Flow through subassembly for a downhole drill string and method for making same
US8025107B2 (en) * 2008-05-15 2011-09-27 Longyear Tm, Inc. Reamer with polycrystalline diamond compact inserts
US8991524B2 (en) * 2010-09-13 2015-03-31 Longyear Tm, Inc. Impregnated drill bits with integrated reamers
US9297410B2 (en) 2012-12-31 2016-03-29 Smith International, Inc. Bearing assembly for a drilling tool
CN104358521B (zh) * 2014-11-02 2016-08-03 郑州神利达钻采设备有限公司 一种基于水槽的矿用扩孔工具
CN104481421B (zh) * 2014-11-06 2016-08-24 中国石油天然气集团公司 过弯道钻进防卡短节
WO2016093844A1 (en) 2014-12-11 2016-06-16 Halliburton Energy Services Inc. Sub for accommodating large devices
CN106089138B (zh) * 2016-08-08 2018-03-16 吉林大学 提高松散易冲刷地层岩心采取率的单管钻具
CN112696162B (zh) * 2021-03-12 2022-07-01 东营市福利德石油科技开发有限责任公司 井下双管滑动自封工具
CN113236150B (zh) * 2021-07-12 2021-09-03 东营胜蓝石油科技开发有限公司 一种液压油管用扶正器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208539A (en) * 1958-09-17 1965-09-28 Walker Neer Mfg Co Apparatus for drilling wells
US3155179A (en) * 1961-08-04 1964-11-03 Kennecott Copper Corp Dual-tube drill string for sample drilling
US3283835A (en) * 1964-05-19 1966-11-08 Exxon Production Research Co Continuous coring system
US3318398A (en) * 1964-06-30 1967-05-09 Ray F Fry Drill collar stabilizer
US3323604A (en) * 1964-08-28 1967-06-06 Homer I Henderson Coring drill
US3322217A (en) * 1964-12-24 1967-05-30 Cook De Orr Two piece stabilizing and reaming tool for bore holes
US3439757A (en) * 1968-03-12 1969-04-22 Wayland D Elenburg Drilling apparatus
US3583502A (en) * 1968-07-29 1971-06-08 Homer I Henderson Axial flow turbine drill for earth boring

Also Published As

Publication number Publication date
DE2161884A1 (de) 1972-06-29
FR2123279B3 (cs) 1974-08-23
BE777037A (fr) 1972-04-17
CA941815A (en) 1974-02-12
US3712392A (en) 1973-01-23
AU3717771A (en) 1973-06-28
FR2123279A3 (cs) 1972-09-08

Similar Documents

Publication Publication Date Title
GB1346330A (en) Drill strings
GB1357640A (en) Drill bit for drilling subterranean formations
GB1263965A (en) Improvements in or relating to core drilling apparatus for use in earth boring
US3524511A (en) Core type hammer drill with annular piston
GB1461005A (en) Core bit for producing a core while drilling a bore hole
GB1534335A (en) Rotary earth boring bit
GB1399881A (en) Earth drilling apparatus
GB1412344A (en) Transfer sub for dual wall drilling string
GB1343808A (en) Soft formation core barrel
GB1366495A (en) Eccentric drill tool
GB1418984A (en) Percussion bits
GB1218915A (en) Expansible rotary drill bit with hydraulic lock
GB1142741A (en) Earthboring drill bits
EA200200920A1 (ru) Объединенная система каротажа и бурения
GB816271A (en) Improved rotary core drill
GB1200066A (en) Method of drilling underwater wells
GB1139908A (en) Well bore drilling apparatus
GB963670A (en) Improvements in or relating to deep drills
GB1483789A (en) Drilling tool for the directional drilling of boreholes in the earth
GB1119043A (en) Percussion drill
GB836317A (en) Well drill bit
GB1218075A (en) Drilling tool
GB1160409A (en) Core Drills.
GB1019027A (en) Improvements in or relating to drill bits for rotary percussion drilling
GB1522428A (en) Tubular connection for a drilling crown

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees