EP2735695A1 - Outil de forage - Google Patents

Outil de forage Download PDF

Info

Publication number
EP2735695A1
EP2735695A1 EP12193847.6A EP12193847A EP2735695A1 EP 2735695 A1 EP2735695 A1 EP 2735695A1 EP 12193847 A EP12193847 A EP 12193847A EP 2735695 A1 EP2735695 A1 EP 2735695A1
Authority
EP
European Patent Office
Prior art keywords
tool
downhole
well
downhole tool
anode
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.)
Withdrawn
Application number
EP12193847.6A
Other languages
German (de)
English (en)
Inventor
Jørgen HALLUNDBAEK
Hans Plessing
Kim Johnsen
Stig Sejr Larsen
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.)
Welltec AS
Original Assignee
Welltec AS
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 Welltec AS filed Critical Welltec AS
Priority to EP12193847.6A priority Critical patent/EP2735695A1/fr
Priority to PCT/EP2013/074443 priority patent/WO2014079961A1/fr
Publication of EP2735695A1 publication Critical patent/EP2735695A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP12193847.6A 2012-11-22 2012-11-22 Outil de forage Withdrawn EP2735695A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12193847.6A EP2735695A1 (fr) 2012-11-22 2012-11-22 Outil de forage
PCT/EP2013/074443 WO2014079961A1 (fr) 2012-11-22 2013-11-22 Outil de fond de trou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12193847.6A EP2735695A1 (fr) 2012-11-22 2012-11-22 Outil de forage

Publications (1)

Publication Number Publication Date
EP2735695A1 true EP2735695A1 (fr) 2014-05-28

Family

ID=47263123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12193847.6A Withdrawn EP2735695A1 (fr) 2012-11-22 2012-11-22 Outil de forage

Country Status (2)

Country Link
EP (1) EP2735695A1 (fr)
WO (1) WO2014079961A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2667166C1 (ru) * 2014-12-15 2018-09-17 Бейкер Хьюз Инкорпорейтед Система и способ управления электроприводными буровыми инструментами и датчиками для гибких труб

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105526958A (zh) * 2016-02-01 2016-04-27 西安科技大学 一种钻孔光电探头支架

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211625A (en) * 1978-09-11 1980-07-08 Borg-Warner Corporation Impressed current cathodic protection system for submersible downhole pumping assembly
US4496013A (en) * 1982-08-23 1985-01-29 Smith International, Inc. Prevention of cone seal failures in rock bits
US4624329A (en) * 1984-02-15 1986-11-25 Varel Manufacturing Company Rotating cutter drill set
US6331242B1 (en) * 1999-12-06 2001-12-18 United States Pipe And Foundry Company, Inc. Anodic encasement corrosion protection system for underground storage tanks, and metallic components thereof
US20110315444A1 (en) * 2010-06-25 2011-12-29 Baker Hughes Incorporated Apparatus and Methods for Corrosion Protection of Downhole Tools

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DZ3387A1 (fr) * 2000-07-18 2002-01-24 Exxonmobil Upstream Res Co Procede pour traiter les intervalles multiples dans un trou de forage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211625A (en) * 1978-09-11 1980-07-08 Borg-Warner Corporation Impressed current cathodic protection system for submersible downhole pumping assembly
US4496013A (en) * 1982-08-23 1985-01-29 Smith International, Inc. Prevention of cone seal failures in rock bits
US4624329A (en) * 1984-02-15 1986-11-25 Varel Manufacturing Company Rotating cutter drill set
US6331242B1 (en) * 1999-12-06 2001-12-18 United States Pipe And Foundry Company, Inc. Anodic encasement corrosion protection system for underground storage tanks, and metallic components thereof
US20110315444A1 (en) * 2010-06-25 2011-12-29 Baker Hughes Incorporated Apparatus and Methods for Corrosion Protection of Downhole Tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2667166C1 (ru) * 2014-12-15 2018-09-17 Бейкер Хьюз Инкорпорейтед Система и способ управления электроприводными буровыми инструментами и датчиками для гибких труб

Also Published As

Publication number Publication date
WO2014079961A1 (fr) 2014-05-30

Similar Documents

Publication Publication Date Title
US20180238133A1 (en) Sharp and erosion resistance degradable material for slip buttons and sliding sleeve baffles
US8813844B2 (en) System and method for drilling lateral boreholes
US10724328B2 (en) Downhole tool string for plug and abandonment by cutting
US9428988B2 (en) Hydrocarbon well and technique for perforating casing toe
EP3519665B1 (fr) Outil de fond
US9926773B2 (en) Expandable drop device
EP2735695A1 (fr) Outil de forage
WO2020014206A1 (fr) Procédé et appareil pour mitigation de tuyau coincé
RU2414588C1 (ru) Способ перфорации участка трубы в скважине и устройство для его осуществления
US20140251621A1 (en) Through tubing perpendicular boring
US10087739B2 (en) Coiled tubing-based milling assembly
CN110700784A (zh) 电控井下管具切割工具
US20140224511A1 (en) Pump Drain Arrangements For Packer Systems And Methods For Sampling Underground Formations Using Same
EP3085883A1 (fr) Train d'outils de fond pour bouchon et abandon par agent corrosif
RU2762039C2 (ru) Извлекающая система
US20150129219A1 (en) Systems and Methods for Stimulating a Plurality of Zones of a Subterranean Formation
US10927670B2 (en) Logging while running casing
WO2017184793A1 (fr) Décontamination in situ d'équipement de fond de trou
CN204225818U (zh) 新型通井刮壁一体作业通井规及作业管柱
US10774603B2 (en) Hookless hanger for a multilateral wellbore
RU2600137C1 (ru) Способ технологической обработки скважины
RU2206704C2 (ru) Способ промывки скважины
CN109113616A (zh) 地层砂粒处理方法
CN117905407A (zh) 利用落鱼钻具封堵老井的方法及装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20121122

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20141129