CA2491925A1 - Duse de reglage du debit de boues de forage - Google Patents

Duse de reglage du debit de boues de forage Download PDF

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Publication number
CA2491925A1
CA2491925A1 CA002491925A CA2491925A CA2491925A1 CA 2491925 A1 CA2491925 A1 CA 2491925A1 CA 002491925 A CA002491925 A CA 002491925A CA 2491925 A CA2491925 A CA 2491925A CA 2491925 A1 CA2491925 A1 CA 2491925A1
Authority
CA
Canada
Prior art keywords
drilling
drilling fluid
choke
well bore
choking
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
CA002491925A
Other languages
English (en)
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.)
@BALANCE BV
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 CA2491925A1 publication Critical patent/CA2491925A1/fr
Abandoned legal-status Critical Current

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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)

Abstract

Cette invention porte sur un système de forage et sur un procédé de forage d'un puits de forage dans une formation terrestre. Ce système comprend : une unité de forage servant à forer un puits de forage ; une unité de pompage servant à pomper le fluide de forage dans le puits de forage pendant le forage ; et un système d'évacuation du fluide de forage servant à récupérer le fluide de forage du puits de forage, lequel système d'évacuation de fluide de forage comprend une duse servant à duser le débit de retour du fluide de forage ainsi qu'une unité d'alternance servant à alterner le sens d'écoulement dans la duse.
CA002491925A 2002-07-08 2003-06-24 Duse de reglage du debit de boues de forage Abandoned CA2491925A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02254746 2002-07-08
EP02254746.7 2002-07-08
PCT/EP2003/006750 WO2004005667A1 (fr) 2002-07-08 2003-06-24 Duse de reglage du debit de boues de forage

Publications (1)

Publication Number Publication Date
CA2491925A1 true CA2491925A1 (fr) 2004-01-15

Family

ID=30011236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002491925A Abandoned CA2491925A1 (fr) 2002-07-08 2003-06-24 Duse de reglage du debit de boues de forage

Country Status (5)

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

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CA3119845A1 (fr) 2018-11-14 2020-05-22 Dna Script Variants de desoxynucleotidyltransferase et utilisations correspondantes
WO2020120442A2 (fr) 2018-12-13 2020-06-18 Dna Script Synthèse d'oligonucléotides directe sur des cellules et des biomolécules
WO2020141143A1 (fr) 2019-01-03 2020-07-09 Dna Script Synthèse monotope d'ensembles d'oligonucléotides
AU2020223456A1 (en) 2019-02-12 2021-08-12 Dna Script Efficient product cleavage in template-free enzymatic synthesis of polynucleotides.
KR20220052937A (ko) 2019-07-30 2022-04-28 디엔에이 스크립트 폴리(a) 및 폴리(u) 중합효소를 사용한 폴리뉴클레오타이드의 주형-부재 효소적 합성
JP2022543568A (ja) 2019-08-01 2022-10-13 ディーエヌエー スクリプト ポリヌクレオチドの鋳型なしの酵素による合成における長い配列の収量の増加
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WO2021058438A1 (fr) 2019-09-23 2021-04-01 Dna Script Augmentation de rendements de séquence longue dans la synthèse enzymatique sans matrice de polynucléotides
JP2023501651A (ja) 2019-11-13 2023-01-18 ディーエヌエー スクリプト ポリヌクレオチドの高効率テンプレートなしの酵素的合成
KR20220114026A (ko) 2019-12-12 2022-08-17 디엔에이 스크립트 폴리뉴클레오타이드의 주형-부재 효소 합성을 위한 키메라 말단 데옥시뉴클레오타이드 전달효소
EP4077703A1 (fr) 2019-12-16 2022-10-26 DNA Script Synthèse de polynucléotides enzymatiques sans matrice à l'aide de variants de désoxynucléotidyltransférases terminales sans dismutation
CN115151652A (zh) 2020-02-25 2022-10-04 Dna斯克瑞普特公司 用于酶促合成多核苷酸的方法和设备
EP4139446A1 (fr) 2020-04-20 2023-03-01 DNA Script Variants de désoxynucléotidyl transférase et utilisations correspondantes
CN115803108A (zh) 2020-06-16 2023-03-14 Dna斯克瑞普特公司 用于酶促多核苷酸合成的系统、设备和套件
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
WO2022090323A1 (fr) 2020-10-29 2022-05-05 Dna Script Synthèse enzymatique de sondes polynucléotidiques
JP2024511874A (ja) 2021-04-02 2024-03-15 ディーエヌエー スクリプト Ｇ４を形成しやすいポリヌクレオチドの酵素合成のための方法及びキット
WO2023083999A2 (fr) 2021-11-10 2023-05-19 Dna Script Nouvelles variantes de la désoxynucléotidyl transférase terminale (tdt)
CN118234853A (zh) 2021-11-10 2024-06-21 Dna斯克瑞普特公司 新型末端脱氧核苷酸
WO2024083883A1 (fr) 2022-10-19 2024-04-25 Dna Script Procédés et produits pour l'élimination de polynucléotides contenant de l'uracile
WO2024121022A1 (fr) 2022-12-05 2024-06-13 Dna Script Variants de poly (a) polymérase et leurs utilisations

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Also Published As

Publication number Publication date
WO2004005667A1 (fr) 2004-01-15
US20060086538A1 (en) 2006-04-27
GB0428285D0 (en) 2005-01-26
AU2003242762A1 (en) 2004-01-23
GB2405891A (en) 2005-03-16
US20070240875A1 (en) 2007-10-18
GB2405891B (en) 2005-11-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued