AU2003242762A1 - Choke for controlling the flow of drilling mud - Google Patents

Choke for controlling the flow of drilling mud

Info

Publication number
AU2003242762A1
AU2003242762A1 AU2003242762A AU2003242762A AU2003242762A1 AU 2003242762 A1 AU2003242762 A1 AU 2003242762A1 AU 2003242762 A AU2003242762 A AU 2003242762A AU 2003242762 A AU2003242762 A AU 2003242762A AU 2003242762 A1 AU2003242762 A1 AU 2003242762A1
Authority
AU
Australia
Prior art keywords
choke
controlling
flow
drilling mud
mud
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.)
Abandoned
Application number
AU2003242762A
Inventor
Egbert Jan Van Riet
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of AU2003242762A1 publication Critical patent/AU2003242762A1/en
Abandoned 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
AU2003242762A 2002-07-08 2003-06-24 Choke for controlling the flow of drilling mud Abandoned AU2003242762A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02254746 2002-07-08
EP02254746.7 2002-07-08
PCT/EP2003/006750 WO2004005667A1 (en) 2002-07-08 2003-06-24 Choke for controlling the flow of drilling mud

Publications (1)

Publication Number Publication Date
AU2003242762A1 true AU2003242762A1 (en) 2004-01-23

Family

ID=30011236

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003242762A Abandoned AU2003242762A1 (en) 2002-07-08 2003-06-24 Choke for controlling the flow of drilling mud

Country Status (5)

Country Link
US (2) US20060086538A1 (en)
AU (1) AU2003242762A1 (en)
CA (1) CA2491925A1 (en)
GB (1) GB2405891B (en)
WO (1) WO2004005667A1 (en)

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KR20220114026A (en) 2019-12-12 2022-08-17 디엔에이 스크립트 Chimeric Terminal Deoxynucleotide Transferase for Template-Free Enzyme Synthesis of Polynucleotides
EP4077703A1 (en) 2019-12-16 2022-10-26 DNA Script Template-free enzymatic polynucleotide synthesis using dismutationless terminal deoxynucleotidyl transferase variants
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EP4139446A1 (en) 2020-04-20 2023-03-01 DNA Script Terminal deoxynucleotidyl transferase variants and uses thereof
CN115803108A (en) 2020-06-16 2023-03-14 Dna斯克瑞普特公司 Systems, devices, and kits for enzymatic polynucleotide synthesis
US20230313255A1 (en) 2020-07-15 2023-10-05 Dna Script Massively Parallel Enzymatic Synthesis of Polynucleotides
US20240093256A1 (en) 2020-09-22 2024-03-21 Dna Script Stabilized N-Terminally Truncated Terminal Deoxynucleotidyl Transferase Variants and Uses Thereof
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JP2024511874A (en) 2021-04-02 2024-03-15 ディーエヌエー スクリプト Method and kit for enzymatic synthesis of polynucleotides susceptible to G4 formation
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WO2024083883A1 (en) 2022-10-19 2024-04-25 Dna Script Methods and products for removal of uracil containing polynucleotides
WO2024121022A1 (en) 2022-12-05 2024-06-13 Dna Script Variants of poly(a) polymerase and uses thereof

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Also Published As

Publication number Publication date
WO2004005667A1 (en) 2004-01-15
US20060086538A1 (en) 2006-04-27
GB0428285D0 (en) 2005-01-26
GB2405891A (en) 2005-03-16
CA2491925A1 (en) 2004-01-15
US20070240875A1 (en) 2007-10-18
GB2405891B (en) 2005-11-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase