NO327922B1 - System og fremgangsmate for reduksjon av hydraulisk trykk i stigeror ved hjelp av oppdriftskuler - Google Patents

System og fremgangsmate for reduksjon av hydraulisk trykk i stigeror ved hjelp av oppdriftskuler Download PDF

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Publication number
NO327922B1
NO327922B1 NO20051547A NO20051547A NO327922B1 NO 327922 B1 NO327922 B1 NO 327922B1 NO 20051547 A NO20051547 A NO 20051547A NO 20051547 A NO20051547 A NO 20051547A NO 327922 B1 NO327922 B1 NO 327922B1
Authority
NO
Norway
Prior art keywords
pump
buoyancy
balls
fluid
ball
Prior art date
Application number
NO20051547A
Other languages
English (en)
Norwegian (no)
Other versions
NO20051547L (no
Inventor
George Boyadjieff
Original Assignee
Varco Int
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 Varco Int filed Critical Varco Int
Publication of NO20051547L publication Critical patent/NO20051547L/no
Publication of NO327922B1 publication Critical patent/NO327922B1/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
    • 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
    • E21B21/001—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
NO20051547A 2002-09-27 2005-03-23 System og fremgangsmate for reduksjon av hydraulisk trykk i stigeror ved hjelp av oppdriftskuler NO327922B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US2002/030950 WO2004029404A1 (fr) 2002-09-27 2002-09-27 Systeme de reduction de la pression hydrostatique dans des colonnes montantes au moyen de spheres flottantes
US10/259,550 US6588501B1 (en) 2002-09-27 2002-09-27 Method and apparatus to reduce hydrostatic pressure in sub sea risers using buoyant spheres

Publications (2)

Publication Number Publication Date
NO20051547L NO20051547L (no) 2005-03-23
NO327922B1 true NO327922B1 (no) 2009-10-19

Family

ID=32737828

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20051547A NO327922B1 (no) 2002-09-27 2005-03-23 System og fremgangsmate for reduksjon av hydraulisk trykk i stigeror ved hjelp av oppdriftskuler

Country Status (8)

Country Link
US (1) US6588501B1 (fr)
EP (1) EP1552104B1 (fr)
JP (1) JP3983765B2 (fr)
CN (1) CN1329619C (fr)
AU (1) AU2002327078A1 (fr)
CA (1) CA2492809C (fr)
NO (1) NO327922B1 (fr)
WO (1) WO2004029404A1 (fr)

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US8088716B2 (en) 2004-06-17 2012-01-03 Exxonmobil Upstream Research Company Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud
WO2007145735A2 (fr) 2006-06-07 2007-12-21 Exxonmobil Upstream Research Company Procédé de fabrication d'objets compressibles pour boue de forage à densité variable
BRPI0708565A2 (pt) 2006-03-06 2011-06-07 Exxonmobil Upstream Res Co sistema e método para perfurar em furo de poço, e, método associado à produção de hidrocarbonetos
EP2038364A2 (fr) 2006-06-07 2009-03-25 ExxonMobil Upstream Research Company Objets compressibles à garniture partielle en mousse combinés à un fluide de forage pour former une boue de forage à densité variable
EP2041235B1 (fr) 2006-06-07 2013-02-13 ExxonMobil Upstream Research Company Objets compressibles destinés à être combinés à un fluide de forage pour former une boue de forage à densité variable
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AU2007356171B8 (en) 2006-08-04 2014-01-16 Bp Corporation North America Inc. Glucanases, nucleic acids encoding them, and methods for making and using them
DK2479267T3 (en) 2006-12-21 2017-03-27 Basf Enzymes Llc Amylases and Glucoamylases, Nucleic Acids Encoding Them, and Methods for Preparing and Using Them
CA2625766A1 (fr) * 2007-03-16 2008-09-16 Isolation Equipment Services Inc. Injecteur de billes pour exploitation des puits de forage
WO2011066024A1 (fr) 2009-11-30 2011-06-03 Exxonmobil Upstream Research Company Systèmes et procédés pour former des objets compressibles haute performance
WO2012149095A2 (fr) * 2011-04-27 2012-11-01 Bp Corporation North America Inc. Appareil et procédés utilisés pour établir et/ou maintenir un débit régulé d'hydrocarbures pendant des opérations subaquatiques
US8997446B2 (en) * 2011-10-17 2015-04-07 Dbr Conveyor Concepts, Llc Pneumatic fruit decelerator body
US20140151020A1 (en) * 2012-12-05 2014-06-05 Rodney Dee Smith Buoyant Ball Assisted Hydrocarbon Lift System and Method
US20150083390A1 (en) * 2012-06-13 2015-03-26 Rodney Dee Smith Controlled Rise Velocity Buoyant Ball Assisted Hydrocarbon Lift System and Method
US11242723B2 (en) * 2018-05-25 2022-02-08 Nextier Completion Solutions Inc. Frac ball dispenser
CN110700776A (zh) * 2019-10-12 2020-01-17 西南石油大学 一种多梯度隔水管充气-注空心球钻井方法及装置

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Also Published As

Publication number Publication date
EP1552104B1 (fr) 2006-06-21
WO2004029404A1 (fr) 2004-04-08
JP3983765B2 (ja) 2007-09-26
NO20051547L (no) 2005-03-23
EP1552104A1 (fr) 2005-07-13
JP2006500494A (ja) 2006-01-05
CN1329619C (zh) 2007-08-01
EP1552104A4 (fr) 2005-11-02
AU2002327078A1 (en) 2004-04-19
CN1650090A (zh) 2005-08-03
US6588501B1 (en) 2003-07-08
CA2492809A1 (fr) 2004-04-08
CA2492809C (fr) 2009-08-04

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