ZA202000077B - Diversion drill pipe - Google Patents

Diversion drill pipe

Info

Publication number
ZA202000077B
ZA202000077B ZA2020/00077A ZA202000077A ZA202000077B ZA 202000077 B ZA202000077 B ZA 202000077B ZA 2020/00077 A ZA2020/00077 A ZA 2020/00077A ZA 202000077 A ZA202000077 A ZA 202000077A ZA 202000077 B ZA202000077 B ZA 202000077B
Authority
ZA
South Africa
Prior art keywords
diversion
drill pipe
drill
pipe
diversion drill
Prior art date
Application number
ZA2020/00077A
Other languages
English (en)
Inventor
Chuanqi Zhu
Anying Yuan
Original Assignee
Univ Anhui Sci & Technology
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 Univ Anhui Sci & Technology filed Critical Univ Anhui Sci & Technology
Publication of ZA202000077B publication Critical patent/ZA202000077B/en

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
    • E21B17/18—Pipes provided with plural fluid passages

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)
ZA2020/00077A 2019-01-25 2020-01-07 Diversion drill pipe ZA202000077B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910072870.2A CN109653689A (zh) 2019-01-25 2019-01-25 一种导流钻杆

Publications (1)

Publication Number Publication Date
ZA202000077B true ZA202000077B (en) 2020-07-29

Family

ID=66121222

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2020/00077A ZA202000077B (en) 2019-01-25 2020-01-07 Diversion drill pipe

Country Status (3)

Country Link
CN (1) CN109653689A (zh)
WO (1) WO2020151206A1 (zh)
ZA (1) ZA202000077B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109611072A (zh) * 2019-01-25 2019-04-12 安徽理工大学 一种卸压防突钻机
CN109653689A (zh) * 2019-01-25 2019-04-19 安徽理工大学 一种导流钻杆
CN115680516B (zh) * 2023-01-04 2023-04-11 奥瑞拓能源科技股份有限公司 一种导流泄压钻杆

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101446178B (zh) * 2008-11-13 2011-11-16 煤炭科学研究总院西安研究院 井下松软突出煤层中风压空气钻进装备及配套工艺
CN202017459U (zh) * 2011-04-18 2011-10-26 崔钢明 具有双排粉通道的钻杆
US9115549B2 (en) * 2012-06-28 2015-08-25 Team Oil Tools, L.P. Method and apparatus for injecting gas into a reservoir
CN103556940B (zh) * 2013-11-15 2015-11-18 河南理工大学 用于软煤岩钻进双通道多孔紊流卸压钻具及其施工方法
CN204782970U (zh) * 2015-07-15 2015-11-18 河南理工大学 一种低透气性煤层水力割缝系统
CN105485387A (zh) * 2016-01-05 2016-04-13 淮南市矿用电子技术研究所 一种分级导流卸压阀及其安装使用方法
CN108442890B (zh) * 2018-05-21 2020-04-07 河南理工大学 一种轴向凹槽护孔卸压内排渣钻杆
CN108505955B (zh) * 2018-05-21 2020-04-07 河南理工大学 一种护孔卸压内排渣钻杆
CN109611072A (zh) * 2019-01-25 2019-04-12 安徽理工大学 一种卸压防突钻机
CN109653689A (zh) * 2019-01-25 2019-04-19 安徽理工大学 一种导流钻杆

Also Published As

Publication number Publication date
WO2020151206A1 (zh) 2020-07-30
CN109653689A (zh) 2019-04-19

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