WO2012149104A3 - Methods of establishing and/or maintaining flow of hydrocarbons during subsea operations - Google Patents

Methods of establishing and/or maintaining flow of hydrocarbons during subsea operations Download PDF

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Publication number
WO2012149104A3
WO2012149104A3 PCT/US2012/035116 US2012035116W WO2012149104A3 WO 2012149104 A3 WO2012149104 A3 WO 2012149104A3 US 2012035116 W US2012035116 W US 2012035116W WO 2012149104 A3 WO2012149104 A3 WO 2012149104A3
Authority
WO
WIPO (PCT)
Prior art keywords
riser
tool
subsea
hydrocarbons
establishing
Prior art date
Application number
PCT/US2012/035116
Other languages
French (fr)
Other versions
WO2012149104A2 (en
Inventor
Pierre Albert BEYNET
Norman Dennis MCMULLEN
Douglas Paul BLALOCK
Kevin James DEVERS
Original Assignee
Bp Corporation North America 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.)
Filing date
Publication date
Application filed by Bp Corporation North America Inc. filed Critical Bp Corporation North America Inc.
Publication of WO2012149104A2 publication Critical patent/WO2012149104A2/en
Publication of WO2012149104A3 publication Critical patent/WO2012149104A3/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
    • E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • E21B43/0122—Collecting oil or the like from a submerged leakage
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances

Abstract

Methods are disclosed of establishing and maintaining flow of hydrocarbon-bearing fluid from a subsea source while controlling or limiting hydrocarbon gas hydrate formation in a riser and a collection tool fluidly connected to a distal end of the riser during subsea positioning of the riser and tool. Riser sections are connected at or near the sea surface, and a collection tool may be connected to the distal end of the riser at the surface or picked up subsea by the riser. The riser and tool are deployed subsea near a subsea source of hydrocarbons. A low-density fluid is forced down the riser and tool, and then the riser and tool are positioned to collect hydrocarbons from the subsea source of hydrocarbons. Flow of a low-density fluid is gradually reduced to initiate flow of hydrocarbons up the tool and riser.
PCT/US2012/035116 2011-04-27 2012-04-26 Methods of establishing and/or maintaining flow of hydrocarbons during subsea operations WO2012149104A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161479769P 2011-04-27 2011-04-27
US61/479,769 2011-04-27

Publications (2)

Publication Number Publication Date
WO2012149104A2 WO2012149104A2 (en) 2012-11-01
WO2012149104A3 true WO2012149104A3 (en) 2013-07-04

Family

ID=46026982

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2012/035102 WO2012149095A2 (en) 2011-04-27 2012-04-26 Apparatus and methods for use in establishing and/or maintaining controlled flow of hydrocarbons during subsea operations
PCT/US2012/035116 WO2012149104A2 (en) 2011-04-27 2012-04-26 Methods of establishing and/or maintaining flow of hydrocarbons during subsea operations

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2012/035102 WO2012149095A2 (en) 2011-04-27 2012-04-26 Apparatus and methods for use in establishing and/or maintaining controlled flow of hydrocarbons during subsea operations

Country Status (2)

Country Link
US (2) US20120273216A1 (en)
WO (2) WO2012149095A2 (en)

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WO2012148993A2 (en) * 2011-04-28 2012-11-01 Bp Corporation North America, Inc. Subsea dispersant injection systems and methods
US8522881B2 (en) * 2011-05-19 2013-09-03 Composite Technology Development, Inc. Thermal hydrate preventer
WO2014053200A1 (en) * 2012-10-05 2014-04-10 Total Sa A containment system and a method for using said containment system.
RU2607610C1 (en) * 2012-12-13 2017-01-10 Халлибертон Энерджи Сервисез Инк. Assembly and method of gaseous hydrocarbons production
CN108661605B (en) * 2017-03-30 2022-01-18 中国计量大学 Improved A-type generating device for generating methane for fragments of seabed combustible ice mineral reserves
CN111594157B (en) * 2020-05-13 2021-09-21 浙江大学 Experimental device and method for simulating seabed slope instability caused by combustible ice decomposition under complex terrain condition
CN112145133B (en) * 2020-09-25 2021-12-14 中国石油大学(华东) Deep sea seabed natural gas hydrate acquisition method and production greenhouse
CN113294125B (en) * 2021-04-26 2022-05-27 西南石油大学 Gas lift exploitation device for seabed natural gas hydrate
CN115492558B (en) * 2022-09-14 2023-04-14 中国石油大学(华东) Device and method for preventing secondary generation of hydrate in pressure-reducing exploitation shaft of sea natural gas hydrate

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Also Published As

Publication number Publication date
US20120325489A1 (en) 2012-12-27
WO2012149095A3 (en) 2013-07-04
US20120273216A1 (en) 2012-11-01
WO2012149095A2 (en) 2012-11-01
WO2012149104A2 (en) 2012-11-01

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