WO2006130652A3 - Cavity well system - Google Patents

Cavity well system Download PDF

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Publication number
WO2006130652A3
WO2006130652A3 PCT/US2006/021057 US2006021057W WO2006130652A3 WO 2006130652 A3 WO2006130652 A3 WO 2006130652A3 US 2006021057 W US2006021057 W US 2006021057W WO 2006130652 A3 WO2006130652 A3 WO 2006130652A3
Authority
WO
WIPO (PCT)
Prior art keywords
cavity
well system
cavity well
forming
subterranean
Prior art date
Application number
PCT/US2006/021057
Other languages
French (fr)
Other versions
WO2006130652A2 (en
Inventor
Christopher A Pratt
Douglas P Seams
Original Assignee
Cdx Gas Llc
Christopher A Pratt
Douglas P Seams
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 Cdx Gas Llc, Christopher A Pratt, Douglas P Seams filed Critical Cdx Gas Llc
Priority to AU2006252577A priority Critical patent/AU2006252577A1/en
Priority to NZ564797A priority patent/NZ564797A/en
Priority to EP06771690A priority patent/EP1907666A2/en
Priority to CA002610610A priority patent/CA2610610A1/en
Publication of WO2006130652A2 publication Critical patent/WO2006130652A2/en
Publication of WO2006130652A3 publication Critical patent/WO2006130652A3/en

Links

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/006—Production of coal-bed methane
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/04—Gravelling of 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/04—Gravelling of wells
    • E21B43/045—Crossover tools
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30—Specific pattern of wells, e.g. optimizing the spacing of wells
    • E21B43/305—Specific pattern of wells, e.g. optimizing the spacing of wells comprising at least one inclined or horizontal well

Abstract

A'- method for accessing a subterranean zone ( 12 ) includes ' forming ' a ' ' subterranean cavity (38) coupled to a land surface (16 ) and forming a plurality of substantially horizontal bores (22 ) extending at least partially into the subterranean zone ( 12 ) and intersecting the cavity ( 38 ) . Liners (40 , 140) may traverse the cavity . Also the cavity may be gravel packed (38) .
PCT/US2006/021057 2005-05-31 2006-05-31 Cavity well system WO2006130652A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2006252577A AU2006252577A1 (en) 2005-05-31 2006-05-31 Cavity well system
NZ564797A NZ564797A (en) 2005-05-31 2006-05-31 Cavity well system
EP06771690A EP1907666A2 (en) 2005-05-31 2006-05-31 Cavity well system
CA002610610A CA2610610A1 (en) 2005-05-31 2006-05-31 Cavity well system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/141,335 2005-05-31
US11/141,335 US7571771B2 (en) 2005-05-31 2005-05-31 Cavity well system

Publications (2)

Publication Number Publication Date
WO2006130652A2 WO2006130652A2 (en) 2006-12-07
WO2006130652A3 true WO2006130652A3 (en) 2007-04-05

Family

ID=36910773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/021057 WO2006130652A2 (en) 2005-05-31 2006-05-31 Cavity well system

Country Status (9)

Country Link
US (1) US7571771B2 (en)
EP (1) EP1907666A2 (en)
CN (1) CN101233293A (en)
AU (1) AU2006252577A1 (en)
CA (1) CA2610610A1 (en)
NZ (1) NZ564797A (en)
RU (1) RU2007148901A (en)
WO (1) WO2006130652A2 (en)
ZA (1) ZA200800062B (en)

Families Citing this family (16)

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US6280000B1 (en) 1998-11-20 2001-08-28 Joseph A. Zupanick Method for production of gas from a coal seam using intersecting well bores
US8297377B2 (en) 1998-11-20 2012-10-30 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US7048049B2 (en) 2001-10-30 2006-05-23 Cdx Gas, Llc Slant entry well system and method
US20100181114A1 (en) * 2007-03-28 2010-07-22 Bruno Best Method of interconnecting subterranean boreholes
CA2692939C (en) * 2010-02-12 2017-06-06 Statoil Asa Improvements in hydrocarbon recovery
CA2714935A1 (en) * 2010-09-20 2012-03-20 Alberta Innovates - Technology Futures Confined open face (trench) reservoir access for gravity drainage processes
CN101979828A (en) * 2010-09-26 2011-02-23 北京奥瑞安能源技术开发有限公司 Coal bed methane multi-branch horizontal well system and auxiliary discharge well thereof
HU229944B1 (en) * 2011-05-30 2015-03-02 Sld Enhanced Recovery, Inc Method for ensuring of admission material into a bore hole
US9228426B2 (en) * 2011-12-21 2016-01-05 Linc Energy Ltd. Underground coal gasification well liner
US8919441B2 (en) 2012-07-03 2014-12-30 Halliburton Energy Services, Inc. Method of intersecting a first well bore by a second well bore
US9388668B2 (en) * 2012-11-23 2016-07-12 Robert Francis McAnally Subterranean channel for transporting a hydrocarbon for prevention of hydrates and provision of a relief well
CN103216234B (en) * 2013-04-23 2015-11-18 中国地质科学院勘探技术研究所 A kind of construction method of horizontal branch many well groups butt shaft
US10294769B2 (en) * 2015-06-10 2019-05-21 Baker Hughes, A Ge Company, Llc Optimized liquid or condensate well production
CN106884673B (en) * 2017-02-25 2019-11-12 太原理工大学 A kind of method that goaf coal bed gas pinpoints efficient extraction
US11933179B2 (en) * 2021-09-16 2024-03-19 Genesis Alkali Wyoming, Lp Brine extraction well system
CN115059434B (en) * 2022-05-31 2023-12-08 中国石油大学(北京) Development method of coal bed gas horizontal well group

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ZA200800062B (en) 2010-01-27
AU2006252577A1 (en) 2006-12-07
NZ564797A (en) 2009-10-30
EP1907666A2 (en) 2008-04-09
AU2006252577A2 (en) 2006-12-07
US20060266521A1 (en) 2006-11-30
RU2007148901A (en) 2009-07-20
WO2006130652A2 (en) 2006-12-07

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