CA2585476C - Forage a colonnes de tubage concentriques - Google Patents

Forage a colonnes de tubage concentriques Download PDF

Info

Publication number: CA2585476C
Authority: CA; Canada
Prior art keywords: drill bit; casing; string; pieces; wellbore
Prior art date: 2002-12-30
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 - Fee Related

Application number

CA2585476A

Other languages

English (en)

Other versions

CA2585476A1 (fr

Inventor

Gregory G. Galloway

David J. Brunnert

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.)

Weatherford Technology Holdings LLC

Original Assignee

Weatherford Lamb Inc

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.)

2002-12-30

Filing date

2003-12-22

Publication date

2010-04-20

2002-12-30 Priority claimed from US10/331,964 external-priority patent/US6857487B2/en

2003-12-22 Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc

2004-06-30 Publication of CA2585476A1 publication Critical patent/CA2585476A1/fr

2010-04-20 Application granted granted Critical

2010-04-20 Publication of CA2585476C publication Critical patent/CA2585476C/fr

2023-12-22 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title claims abstract description 116
239000012530 fluid Substances 0.000 claims description 20
230000007246 mechanism Effects 0.000 claims description 3
230000008878 coupling Effects 0.000 claims 1
238000010168 coupling process Methods 0.000 claims 1
238000005859 coupling reaction Methods 0.000 claims 1
238000000034 method Methods 0.000 abstract description 20
239000004020 conductor Substances 0.000 description 66
230000015572 biosynthetic process Effects 0.000 description 17
238000005755 formation reaction Methods 0.000 description 17
230000003247 decreasing effect Effects 0.000 description 13
239000004568 cement Substances 0.000 description 7
238000007789 sealing Methods 0.000 description 3
229930195733 hydrocarbon Natural products 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
125000001183 hydrocarbyl group Chemical group 0.000 description 1
238000002955 isolation Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000005012 migration Effects 0.000 description 1
238000013508 migration Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1

Landscapes

Earth Drilling (AREA)

CA2585476A 2002-12-30 2003-12-22 Forage a colonnes de tubage concentriques Expired - Fee Related CA2585476C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US10/331,964 US6857487B2 (en)	2002-12-30	2002-12-30	Drilling with concentric strings of casing
US10/331,964		2002-12-30
CA002453768A CA2453768C (fr)	2002-12-30	2003-12-22	Forage a colonnes de tubage concentriques

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002453768A Division CA2453768C (fr)	2002-12-30	2003-12-22	Forage a colonnes de tubage concentriques

Publications (2)

Publication Number	Publication Date
CA2585476A1 CA2585476A1 (fr)	2004-06-30
CA2585476C true CA2585476C (fr)	2010-04-20

Family

ID=38319526

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2585476A Expired - Fee Related CA2585476C (fr)	2002-12-30	2003-12-22	Forage a colonnes de tubage concentriques

Country Status (1)

Country	Link
CA (1)	CA2585476C (fr)

2003
- 2003-12-22 CA CA2585476A patent/CA2585476C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2585476A1 (fr)	2004-06-30

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Legal Events

Date	Code	Title	Description
2007-05-07	EEER	Examination request
2020-02-03	MKLA	Lapsed	Effective date: 20191223