WO2005042911A3 - System for drilling oil and gas wells using oversized drill string to achieve increased annular return velocities - Google Patents

System for drilling oil and gas wells using oversized drill string to achieve increased annular return velocities Download PDF

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Publication number
WO2005042911A3
WO2005042911A3 PCT/US2004/036328 US2004036328W WO2005042911A3 WO 2005042911 A3 WO2005042911 A3 WO 2005042911A3 US 2004036328 W US2004036328 W US 2004036328W WO 2005042911 A3 WO2005042911 A3 WO 2005042911A3
Authority
WO
WIPO (PCT)
Prior art keywords
mud
drilling
fluid
density
seabed
Prior art date
Application number
PCT/US2004/036328
Other languages
French (fr)
Other versions
WO2005042911A2 (en
Inventor
Boer Luc De
Original Assignee
Boer Luc De
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 Boer Luc De filed Critical Boer Luc De
Publication of WO2005042911A2 publication Critical patent/WO2005042911A2/en
Publication of WO2005042911A3 publication Critical patent/WO2005042911A3/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
    • 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 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
    • E21B21/001—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 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
    • E21B21/06—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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 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

Abstract

A system for controlling drilling mud density at a location either at the seabed (or just above the seabed) or alternatively below the seabed of wells in offshore and land-based drilling applications is disclosed. The present invention combines a base fluid of lesser/greater density than the drilling fluid required at the drill bit to drill the well to produce a combination return mud in the riser. By combining the appropriate quantities of drilling mud with a light fluid, a riser mud density at or near the density of seawater may be achieved to facilitate transporting the return mud to the surface. Alternatively, by injecting the appropriate quantities of heavy fluid into alight return mud, the column of return mud may be sufficiently weighted to protect the wellhead. At the surface, the combination return mud is passed through a treatment system to cleanse the mud of drill cuttings and to separate the drilling fluid from the base fluid. The present invention further includes a control unit for manipulating drilling fluid systems and displaying drilling and drilling fluid data.
PCT/US2004/036328 2003-10-29 2004-10-29 System for drilling oil and gas wells using oversized drill string to achieve increased annular return velocities WO2005042911A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/696,094 US20040084213A1 (en) 2001-02-15 2003-10-29 System for drilling oil and gas wells using oversized drill string to achieve increased annular return velocities
US10/696,094 2003-10-29

Publications (2)

Publication Number Publication Date
WO2005042911A2 WO2005042911A2 (en) 2005-05-12
WO2005042911A3 true WO2005042911A3 (en) 2005-08-11

Family

ID=34550054

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/036328 WO2005042911A2 (en) 2003-10-29 2004-10-29 System for drilling oil and gas wells using oversized drill string to achieve increased annular return velocities

Country Status (2)

Country Link
US (1) US20040084213A1 (en)
WO (1) WO2005042911A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2457497B (en) 2008-02-15 2012-08-08 Pilot Drilling Control Ltd Flow stop valve
US7651420B1 (en) * 2008-07-25 2010-01-26 Wilson Sporting Goods Co. Injection-molded ball bat
BR112012003678B1 (en) 2009-08-18 2018-12-04 Pilot Drilling Control Limited flow block valve and method to control flow
US9328575B2 (en) * 2012-01-31 2016-05-03 Weatherford Technology Holdings, Llc Dual gradient managed pressure drilling
EP2906771A2 (en) * 2012-10-15 2015-08-19 National Oilwell Varco, L.P. Dual gradient drilling system
RU2524228C1 (en) * 2013-04-23 2014-07-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") Cleanup of inclined and horizontal well shafts
CN110374528B (en) * 2019-07-29 2023-09-29 中海石油(中国)有限公司湛江分公司 Drilling fluid injection device for reducing ECD in deep water drilling
CN115288625B (en) * 2022-10-08 2023-03-24 廊坊开发区森德石油设备有限公司 Sand washing and fishing equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081039A (en) * 1976-10-28 1978-03-28 Brown Oil Tools, Inc. Connecting assembly and method
US4099583A (en) * 1977-04-11 1978-07-11 Exxon Production Research Company Gas lift system for marine drilling riser

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603409A (en) * 1969-03-27 1971-09-07 Regan Forge & Eng Co Method and apparatus for balancing subsea internal and external well pressures
US4291772A (en) * 1980-03-25 1981-09-29 Standard Oil Company (Indiana) Drilling fluid bypass for marine riser
US4516633A (en) * 1981-09-18 1985-05-14 Santa Fe International Corporation Blind shaft drilling
US4630691A (en) * 1983-05-19 1986-12-23 Hooper David W Annulus bypass peripheral nozzle jet pump pressure differential drilling tool and method for well drilling
US6179071B1 (en) * 1994-02-17 2001-01-30 M-I L.L.C. Method and apparatus for handling and disposal of oil and gas well drill cuttings
US5873420A (en) * 1997-05-27 1999-02-23 Gearhart; Marvin Air and mud control system for underbalanced drilling
US6152246A (en) * 1998-12-02 2000-11-28 Noble Drilling Services, Inc. Method of and system for monitoring drilling parameters
US6840337B2 (en) * 2002-08-28 2005-01-11 Halliburton Energy Services, Inc. Method and apparatus for removing cuttings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081039A (en) * 1976-10-28 1978-03-28 Brown Oil Tools, Inc. Connecting assembly and method
US4099583A (en) * 1977-04-11 1978-07-11 Exxon Production Research Company Gas lift system for marine drilling riser

Also Published As

Publication number Publication date
WO2005042911A2 (en) 2005-05-12
US20040084213A1 (en) 2004-05-06

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