NO20062425L - System for a bore olje- og gassbronner ved bruk av en konsentrisk borestreng for a levere et dobbeltdensitetsslam - Google Patents

System for a bore olje- og gassbronner ved bruk av en konsentrisk borestreng for a levere et dobbeltdensitetsslam

Info

Publication number
NO20062425L
NO20062425L NO20062425A NO20062425A NO20062425L NO 20062425 L NO20062425 L NO 20062425L NO 20062425 A NO20062425 A NO 20062425A NO 20062425 A NO20062425 A NO 20062425A NO 20062425 L NO20062425 L NO 20062425L
Authority
NO
Norway
Prior art keywords
drilling
fluid
density
return
mud
Prior art date
Application number
NO20062425A
Other languages
English (en)
Inventor
Luc De Boer
Original Assignee
Luc De Boer
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 Luc De Boer filed Critical Luc De Boer
Publication of NO20062425L publication Critical patent/NO20062425L/no

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
    • 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
    • E21B21/082—Dual gradient systems, i.e. using two hydrostatic gradients or drilling fluid densities
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • 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
    • 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 OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
    • E21B33/076—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells specially adapted for underwater installations
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/08—Wipers; Oil savers
    • E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

Et system for å regulere boreslamdensitet ved en lokasjon enten på havbunnen (eller rett under havbunnen)eller alternativt under havbunnen av brønner i offshore- og landbaserte boreapplikasjoner er beskrevet. Den foreliggende oppfinnelsen kombinerer et basefluid av mindre/større densitet enn borefluidet påkrevd til borekronen for å bore brønnen for å produsere et kombinasjonsreturslam i stigerøret. Ved å kombinere passende mengder av boreslam med et lettfluid, kan en stigerørsslamdensitet ved eller nær densiteten til sjøvann oppnås for å forenkle transport av returslammet til overflaten. Alternativt, ved å injisere passende mengder tungt fluid inn i et lett returslam, kan kolonnen av returslammet være tilstrekkelig vektet til å beskytte brønnhodet. Ved overflaten passeres kombinasjonsreturslammet gjennom et behandlingssystem for å rense slammet fra borekaks, og for å separere borefluidet fra basefluidet. Den foreliggende oppfinnelsen inkluderer videre en kontrollenhet for å manipulere borefluidsystemer og for å vise boring og borefluiddata.
NO20062425A 2003-10-29 2006-05-29 System for a bore olje- og gassbronner ved bruk av en konsentrisk borestreng for a levere et dobbeltdensitetsslam NO20062425L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/696,331 US7093662B2 (en) 2001-02-15 2003-10-29 System for drilling oil and gas wells using a concentric drill string to deliver a dual density mud
PCT/US2004/035977 WO2005062749A2 (en) 2003-10-29 2004-10-29 System for drilling oil and gas wells using a concentric drill string to deliver a dual density mud

Publications (1)

Publication Number Publication Date
NO20062425L true NO20062425L (no) 2006-05-29

Family

ID=34738956

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20062425A NO20062425L (no) 2003-10-29 2006-05-29 System for a bore olje- og gassbronner ved bruk av en konsentrisk borestreng for a levere et dobbeltdensitetsslam

Country Status (6)

Country Link
US (1) US7093662B2 (no)
EP (1) EP1682744A4 (no)
BR (1) BRPI0415807A (no)
CA (1) CA2544405C (no)
NO (1) NO20062425L (no)
WO (1) WO2005062749A2 (no)

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NO318220B1 (no) * 2003-03-13 2005-02-21 Ocean Riser Systems As Fremgangsmåte og anordning for utførelse av boreoperasjoner
US7950463B2 (en) * 2003-03-13 2011-05-31 Ocean Riser Systems As Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths
BR122017010168B1 (pt) * 2005-10-20 2018-06-26 Transocean Sedco Forex Ventures Ltd. Método para controlar pressão e/ou densidade de um fluido de perfuração
US8066079B2 (en) * 2006-04-21 2011-11-29 Dual Gradient Systems, L.L.C. Drill string flow control valves and methods
NO325931B1 (no) * 2006-07-14 2008-08-18 Agr Subsea As Anordning og fremgangsmate ved stromningshjelp i en rorledning
CN103556946A (zh) 2006-11-07 2014-02-05 哈利伯顿能源服务公司 钻井方法
MX2009013067A (es) * 2007-06-01 2010-05-27 Agr Deepwater Dev Systems Inc Sistema de retorno de lodos de densidad dual.
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US8517111B2 (en) * 2009-09-10 2013-08-27 Bp Corporation North America Inc. Systems and methods for circulating out a well bore influx in a dual gradient environment
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MX364244B (es) * 2013-05-31 2019-04-17 Halliburton Energy Services Inc Monitoreo, detección, control y registro de lodos en el pozo en la perforación de doble gradiente.
WO2017039649A1 (en) * 2015-09-02 2017-03-09 Halliburton Energy Services, Inc. Software simulation method for estimating fluid positions and pressures in the wellbore for a dual gradient cementing system
US10435980B2 (en) 2015-09-10 2019-10-08 Halliburton Energy Services, Inc. Integrated rotating control device and gas handling system for a marine drilling system
CN106323534B (zh) * 2016-08-02 2018-08-17 东南大学 一种自钻式承压水头原位测试装置及其使用方法
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Also Published As

Publication number Publication date
BRPI0415807A (pt) 2006-12-26
WO2005062749A2 (en) 2005-07-14
CA2544405A1 (en) 2005-07-14
US20040084214A1 (en) 2004-05-06
WO2005062749A3 (en) 2005-09-15
US7093662B2 (en) 2006-08-22
CA2544405C (en) 2012-08-07
EP1682744A2 (en) 2006-07-26
EP1682744A4 (en) 2010-07-28

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Legal Events

Date Code Title Description
RE Reestablishment of rights (par. 72 patents act)
FC2A Withdrawal, rejection or dismissal of laid open patent application