NO20210037A1 - - Google Patents

Download PDF

Info

Publication number
NO20210037A1
NO20210037A1 NO20210037A NO20210037A NO20210037A1 NO 20210037 A1 NO20210037 A1 NO 20210037A1 NO 20210037 A NO20210037 A NO 20210037A NO 20210037 A NO20210037 A NO 20210037A NO 20210037 A1 NO20210037 A1 NO 20210037A1
Authority
NO
Norway
Prior art keywords
drilling
well
blowout preventer
riser
drilling fluid
Prior art date
Application number
NO20210037A
Other languages
English (en)
Other versions
NO346362B1 (en
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 filed Critical
Priority to NO20210037A priority Critical patent/NO346362B1/no
Priority to GB2309678.7A priority patent/GB2616787A/en
Priority to PCT/NO2021/050279 priority patent/WO2022154666A1/en
Publication of NO20210037A1 publication Critical patent/NO20210037A1/en
Publication of NO346362B1 publication Critical patent/NO346362B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/082Dual gradient systems, i.e. using two hydrostatic gradients or drilling fluid densities
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/001Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve arrangements in drilling-fluid circulation systems
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0007Equipment or details not covered by groups E21B15/00 - E21B40/00 for underwater installations
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078Nozzles used in boreholes
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/12Underwater drilling
NO20210037A 2021-01-12 2021-01-12 A system and method for circulating drilling fluid in connection with open water drilling NO346362B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO20210037A NO346362B1 (en) 2021-01-12 2021-01-12 A system and method for circulating drilling fluid in connection with open water drilling
GB2309678.7A GB2616787A (en) 2021-01-12 2021-12-22 A system and method for circulating drilling fluid in connection with open water drilling
PCT/NO2021/050279 WO2022154666A1 (en) 2021-01-12 2021-12-22 A system and method for circulating drilling fluid in connection with open water drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20210037A NO346362B1 (en) 2021-01-12 2021-01-12 A system and method for circulating drilling fluid in connection with open water drilling

Publications (2)

Publication Number Publication Date
NO20210037A1 true NO20210037A1 (pt) 2022-06-27
NO346362B1 NO346362B1 (en) 2022-06-27

Family

ID=82399707

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20210037A NO346362B1 (en) 2021-01-12 2021-01-12 A system and method for circulating drilling fluid in connection with open water drilling

Country Status (3)

Country Link
GB (1) GB2616787A (pt)
NO (1) NO346362B1 (pt)
WO (1) WO2022154666A1 (pt)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0212430B1 (pt) * 2001-09-10 2017-05-02 Ocean Riser Systems As dispositivo de perfuração para compensar as mudanças na densidade de circulação de lama equivalente (ecd), ou pressão dinâmica, e método para compensar a densidade de circulação de lama equivalente (ecd), ou aumento ou diminuição da pressão dinâmica
MX2012002832A (es) * 2009-09-10 2012-04-19 Bp Corp North America Inc Sistemas y metodos para circular hacia afuera un caudal de perforacion de pozo en ambiente de gradiente dual.
EP2659082A4 (en) * 2010-12-29 2017-11-08 Halliburton Energy Services, Inc. Subsea pressure control system
US20140048331A1 (en) * 2012-08-14 2014-02-20 Weatherford/Lamb, Inc. Managed pressure drilling system having well control mode
WO2016134442A1 (en) * 2015-02-26 2016-09-01 Reitsma Donald G Mud lift drilling system using ejector assembly in mud return line

Also Published As

Publication number Publication date
GB2616787A (en) 2023-09-20
GB202309678D0 (en) 2023-08-09
NO346362B1 (en) 2022-06-27
WO2022154666A1 (en) 2022-07-21

Similar Documents

Publication Publication Date Title
AU2016202031B2 (en) Managed pressure drilling system having well control mode
EP2281103B1 (en) Systems and methods for subsea drilling
US8978774B2 (en) System and method for drilling a subsea well
US8453758B2 (en) Dual density mud return system
US11085255B2 (en) System and methods for controlled mud cap drilling
US10920507B2 (en) Drilling system and method
US7134498B2 (en) Well drilling and completions system
AU2013221574B2 (en) Systems and methods for managing pressure in a wellbore
US6401823B1 (en) Deepwater drill string shut-off
WO2012140445A2 (en) Subsea wellbore construction method and apparatus
US20180073314A1 (en) Mud lift drilling system using ejector assembly in mud return line
US20170175466A1 (en) Forming a subsea wellbore
NO20210037A1 (pt)
Saptharishi Optimization of Well Performance by Dual Gradient Drilling-A Literature Analysis

Legal Events

Date Code Title Description
CREP Change of representative

Representative=s name: RIKARD MIKALSEN, STEENDAMMSWISCH 24 C, 22459