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EP3262271A4 - Mud lift drilling system using ejector assembly in mud return line - Google Patents

Mud lift drilling system using ejector assembly in mud return line Download PDF

Info

Publication number
EP3262271A4
EP3262271A4 EP15882927.5A EP15882927A EP3262271A4 EP 3262271 A4 EP3262271 A4 EP 3262271A4 EP 15882927 A EP15882927 A EP 15882927A EP 3262271 A4 EP3262271 A4 EP 3262271A4
Authority
EP
European Patent Office
Prior art keywords
mud
return line
drilling system
ejector assembly
lift drilling
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP15882927.5A
Other languages
German (de)
French (fr)
Other versions
EP3262271A1 (en
Inventor
Donald G. Reitsma
Iona M. REITSMA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3262271A1 publication Critical patent/EP3262271A1/en
Publication of EP3262271A4 publication Critical patent/EP3262271A4/en
Withdrawn legal-status Critical Current

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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
    • 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

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)
EP15882927.5A 2015-02-26 2015-05-14 Mud lift drilling system using ejector assembly in mud return line Withdrawn EP3262271A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562121189P 2015-02-26 2015-02-26
PCT/CA2015/000317 WO2016134442A1 (en) 2015-02-26 2015-05-14 Mud lift drilling system using ejector assembly in mud return line

Publications (2)

Publication Number Publication Date
EP3262271A1 EP3262271A1 (en) 2018-01-03
EP3262271A4 true EP3262271A4 (en) 2018-10-17

Family

ID=56787824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15882927.5A Withdrawn EP3262271A4 (en) 2015-02-26 2015-05-14 Mud lift drilling system using ejector assembly in mud return line

Country Status (3)

Country Link
US (1) US20180073314A1 (en)
EP (1) EP3262271A4 (en)
WO (1) WO2016134442A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2556551B (en) * 2015-09-02 2021-07-07 Halliburton Energy Services Inc Software simulation method for estimating fluid positions and pressures in the wellbore for a dual gradient cementing system
BR112021010513A2 (en) 2019-01-09 2021-08-24 Kinetic Pressure Control, Ltd. Method for controlling pressure in a well, and pressure management drilling system
NO346362B1 (en) * 2021-01-12 2022-06-27 Electrical Subsea & Drilling As A system and method for circulating drilling fluid in connection with open water drilling

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020011338A1 (en) * 2000-06-08 2002-01-31 Maurer William C. Multi-gradient drilling method and system
US7497266B2 (en) * 2001-09-10 2009-03-03 Ocean Riser Systems As Arrangement and method for controlling and regulating bottom hole pressure when drilling deepwater offshore wells
CA2871620A1 (en) * 2012-04-27 2013-10-31 Schlumberger Canada Limited Wellbore annular pressure control system and method using gas lift in drilling fluid return line
US20140318802A1 (en) * 2010-05-28 2014-10-30 David Randolph Smith Method and apparatus to control fluid flow from subsea wells

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815673A (en) * 1972-02-16 1974-06-11 Exxon Production Research Co Method and apparatus for controlling hydrostatic pressure gradient in offshore drilling operations
US8403059B2 (en) * 2010-05-12 2013-03-26 Sunstone Technologies, Llc External jet pump for dual gradient drilling
US8162063B2 (en) * 2010-09-03 2012-04-24 Stena Drilling Ltd. Dual gradient drilling ship
US8783379B2 (en) * 2011-08-03 2014-07-22 Roger Sverre Stave Fluid transfer device usable in managed pressure and dual-gradient drilling
US9328575B2 (en) * 2012-01-31 2016-05-03 Weatherford Technology Holdings, Llc Dual gradient managed pressure drilling
WO2013115651A2 (en) * 2012-01-31 2013-08-08 Agr Subsea As Boost system and method for dual gradient drilling
BR112015008014B1 (en) * 2012-10-15 2016-09-27 Nat Oilwell Varco Lp double gradient drilling system and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020011338A1 (en) * 2000-06-08 2002-01-31 Maurer William C. Multi-gradient drilling method and system
US7497266B2 (en) * 2001-09-10 2009-03-03 Ocean Riser Systems As Arrangement and method for controlling and regulating bottom hole pressure when drilling deepwater offshore wells
US20140318802A1 (en) * 2010-05-28 2014-10-30 David Randolph Smith Method and apparatus to control fluid flow from subsea wells
CA2871620A1 (en) * 2012-04-27 2013-10-31 Schlumberger Canada Limited Wellbore annular pressure control system and method using gas lift in drilling fluid return line

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016134442A1 *

Also Published As

Publication number Publication date
US20180073314A1 (en) 2018-03-15
WO2016134442A1 (en) 2016-09-01
EP3262271A1 (en) 2018-01-03

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20170810

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
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A4 Supplementary search report drawn up and despatched

Effective date: 20180913

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 21/08 20060101AFI20180907BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20190413