EP3690182B1 - Procédé de carottage de sédiments adapté à un carottier à câble sous-marin - Google Patents

Procédé de carottage de sédiments adapté à un carottier à câble sous-marin Download PDF

Info

Publication number
EP3690182B1
EP3690182B1 EP19849850.3A EP19849850A EP3690182B1 EP 3690182 B1 EP3690182 B1 EP 3690182B1 EP 19849850 A EP19849850 A EP 19849850A EP 3690182 B1 EP3690182 B1 EP 3690182B1
Authority
EP
European Patent Office
Prior art keywords
drilling
drill pipe
drill
outer tube
power head
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.)
Active
Application number
EP19849850.3A
Other languages
German (de)
English (en)
Other versions
EP3690182A1 (fr
EP3690182A4 (fr
Inventor
Buyan WAN
Yongping JIN
Xiaojun Huang
Jialiang Wang
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.)
Hunan University of Science and Technology
Original Assignee
Hunan University of Science and Technology
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 Hunan University of Science and Technology filed Critical Hunan University of Science and Technology
Publication of EP3690182A1 publication Critical patent/EP3690182A1/fr
Publication of EP3690182A4 publication Critical patent/EP3690182A4/fr
Application granted granted Critical
Publication of EP3690182B1 publication Critical patent/EP3690182B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being specially adapted for operation under water
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed

Definitions

  • the application relates to a sediment core-drilling process for a submarine wire-line coring drill rig.
  • a submarine wire-line coring drill rig is always required in marine geological research, mineral resource exploration and subsea engineering survey.
  • the submarine wire-line coring drill rig refers to a type of large-scale drill rig that a rig body is lowered to the seafloor from a mother ship through armoured umbilical cables, and the submarine wire-line core-drilling is performed through remote control of an operator on the deck.
  • the submarine wire-line coring drill rig Compared to conventional land rigs or large offshore drillship rigs, the submarine wire-line coring drill rig has the advantages of low power consumption, high mobility, good coring quality and high-efficient operation.
  • the submarine wire-line coring drill rig differs from the conventional land rigs or the large offshore drillship rigs in the wire-line coring process, including:
  • the standard drilling procedures of the conventional land rigs or the large offshore drillship rigs fail to match the operating conditions of the submarine wire-line coring drill rig.
  • An improved core-drilling process is required to match the unique features and the operating conditions of the submarine wire-line coring drill rig.
  • this invention provides a sediment core-drilling process for a submarine wire-line coring drill rig, which has advantages of low disturbance and high efficiency in coring, and is suitable for remote operation.
  • a sediment core-drilling process for a submarine wire-line coring drill rig comprising:
  • step (2) of the sediment core-drilling process the drilling is performed in the pressure-suction mode at a drilling speed of 20 ⁇ 2 mm/s.
  • step (3) of the sediment core-drilling process the drilling power head starts to rotate when a propulsive force of the drilling power head achieves 60-80% of its own maximum propulsive force, or is 3-4 tons; and the drilling power head rotates at a rotational speed of 30-150 r/min and performs the drilling at a drilling speed of 20 ⁇ 2 mm/s.
  • step (5) of the sediment core-drilling process the winch lowers the extractor at a lowering speed of 18-25 m/min; and the winch and the extractor are lifted to raise the inner tube at an ascending speed of 30-40 m/min.
  • step (6) of the sediment core-drilling process the outer tube drilling tool cleans the bottom of the drilled hole at a speed of 20-25 m/min; and the pump functions for 1-2 min at a pump flow rate of 50-80 L/min.
  • step (7) of the sediment core-drilling process the punching is performed for 2-3 times when a drilling depth is less than 10 m, 3-4 times when the drilling depth is 10-30 m, or more than 5 times when the drilling depth is more than 30 m; and a pump flow rate of the pump is 50-80 L/min during a downwards punching, and 100-150 L/min during an upwards punching;
  • step (10) of the sediment core-drilling process the punching is performed for 1-2 times when the drilling depth is less than 10 m, 2-3 times when the drilling depth is 10-30 m, or 4 times when the drilling depth is more than 30 m; the pump flow rate of the pump 1 is 100-150 L/min during the downwards punching and the upwards punching;
  • step (3) of the sediment core-drilling process after the drilling power head starts to rotate, if a propulsion force of the drilling power head is reduced to less than 2 tons, or less than 40% of its own maximum propulsive force, the drilling power head stops rotating, at this point, the drilling switches back to the pressure-suction mode in step (2).
  • this invention has the following beneficial effects.
  • a coring apparatus in the invention includes a drill rig, a plurality of drill pipes 14, a plurality of inner tubes 16 and an outer tube drilling tool 15.
  • the drill pipes, the inner tubes, the drill rig and the outer tube drilling tool are suitable for submarine wire-line coring.
  • the drill rig is provided with a pump 1, a seawater suction cylinder 5, and a reversing valve 2.
  • the pump 1 is specifically a high pressure seawater washing pump.
  • a water outlet of the pump 1 and an inlet of a rodless cavity of the seawater suction cylinder 5 are communicated with an inner hole of an active drill pipe 13 on a drilling power head 11 of the drill rig via the reversing valve 2.
  • An inner hole of a drill pipe 14 is communicated with the water outlet of the pump 1 or the inlet of the rodless cavity of the seawater suction cylinder 5 through the switch of the reversing valve 2 as needed.
  • a rod cavity of the seawater suction cylinder 5 is communicated with external seawater.
  • a top end of a first piston rod 51 of the seawater suction cylinder is connected to a top end of a second piston rod 41 of a propulsion cylinder of the drill rig via hinges, so that the seawater suction cylinder 5 and the propulsion cylinder 4 of the drill rig move synchronously.
  • An upper part of an inner tube 16 is provided with a bearing combination 161 which prevents a rotational motion of the outer tube drilling tool 15 from being transmitted to the inner tube 16.
  • a thin-walled annular cutting blade 162 is provided at a bottom of the inner tube 16.
  • the inner tube 16 and the outer tube drilling tool 15 are matched in a way that a front part of the inner tube 16 outwardly protrudes from a center hole of a drill bit of the outer tube drilling tool 15 for a distance, and the distance is generally between 100-500 mm, and the inner tube 16 and the center hole of the drill bit of the outer tube drilling tool 15 are arranged with clearance.
  • the propulsion cylinder 4, the seawater suction cylinder 5 and a slide rail frame 3 are provided on a base 6.
  • a vertical slide rail is provided on one side of the slide rail frame 3.
  • the drilling power head 11 is provided on the vertical slide rail and able to move along the vertical slide rail.
  • a plurality of leveling feet 7 are provided at a bottom of the base 6.
  • a first pulley and a second pulley are provided at an upper end of the second piston rod 41, and the first pulley is arranged above the second pulley.
  • a top and a bottom of the slide rail frame 3 are respectively provided with upper pulleys and lower pulleys.
  • An end of an upper steel wire rope of the slide rail frame 3 is fixedly connected to the top of the slide rail frame 3. The other end of the upper steel wire rope sequentially wraps around the first pulley at the upper end of the second piston rod 41 and the upper pulleys at the top of the slide rail frame 3 and then is connected to the drilling power head 11.
  • An end of a lower steel wire rope of the slide rail frame 3 is fixedly connected to the bottom of the slide rail frame 3.
  • the other end of the lower steel wire rope of the slide rail frame 3 sequentially wraps around the second pulley at the upper end of the second piston rod 41 and the lower pulleys at the bottom of the slide rail frame 3 and then is connected to the drilling power head 11.
  • the drilling power head 11 is provided with the active drill pipe 13 which can be connected to an upper end of the drill pipe 14 or an upper end of the outer tube drilling tool 15 via screw threads.
  • a lower end of the drill pipe 14 can be connected to the upper end of the outer tube drilling tool 15 via screw threads.
  • the drilling power head 11 is provided with a hole which is communicated to the active drill pipe 13.
  • An extractor 12 is provided inside the active drill pipe 13.
  • An end of a steel wire rope of a winch 10 is connected to the extractor 12, and the other end of the steel wire rope of the winch 10 is connected to the winch 10 through the hole of the drilling power head 11.
  • a sediment core-drilling process for a submarine wire-line coring drill rig includes the following steps.

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Claims (6)

  1. Procédé de carottage de sédiments pour une foreuse de carottage à câble sous-marin, dans lequel ledit procédé de carottage de sédiments adopte un appareil de carottage, qui comprend une foreuse, une pluralité de tiges de forage, une pluralité de tubes intérieurs et un outil de forage de tube extérieur; lesdits tiges de forage, lesdits tubes intérieurs, ladite foreuse et ledit outil de forage de tube extérieur sont adaptés au carottage à câble sous-marin; ladite foreuse est munie d'une pompe, d'un cylindre d'aspiration d'eau de mer et d'une vanne d'inversion; ladite pompe est spécifiquement une pompe de lavage à l'eau de mer à haute pression; une sortie d'eau de ladite pompe et une entrée d'une cavité sans tige dudit cylindre d'aspiration d'eau de mer communiquent avec un trou intérieur d'une tige de forage active sur une tête motrice de forage de ladite foreuse via ladite vanne d'inversion; ladite vanne d'inversion est commutable selon les besoins pour permettre à un trou intérieur d'une tige de forage de communiquer avec ladite sortie d'eau de ladite pompe ou ladite entrée de ladite cavité sans tige dudit cylindre d'aspiration d'eau de mer; une cavité de tige dudit cylindre d'aspiration d'eau de mer communique avec de l'eau de mer externe; une extrémité supérieure d'une première tige de piston dudit cylindre d'aspiration d'eau de mer est connectée à une extrémité supérieure d'une seconde tige de piston d'un cylindre de propulsion de ladite foreuse via articulations; une partie supérieure d'un tube intérieur est munie d'une combinaison de paliers qui empêche la transmission d'un mouvement de rotation dudit outil de forage de tube extérieur audit tube intérieur; une lame de coupe annulaire à paroi mince est prévue au fond dudit tube interne; ledit tube intérieur et ledit outil de forage de tube extérieur sont appariés de telle sorte qu'une partie dudit tube intérieur dépasse d'un trou central dudit outil de forage de tube extérieur, et ledit tube intérieur et ledit trou central dudit outil de forage de tube extérieur sont agencés avec un intervalle;
    ledit procédé de carottage de sédiments comprend les étapes consistant à:
    (1) disposer ladite pluralité de tiges de forage et ladite pluralité de tubes intérieurs sur un support de stockage de ladite foreuse; placer ledit tube intérieur qui est creux dans ledit outil de forage de tube extérieur; soulever ladite foreuse dans ladite mer; niveler et soutenir ladite foreuse par pieds de niveau sous ladite foreuse après que ladite foreuse est arrivée à une surface de sédiments du fond marin;
    (2) commuter ladite vanne d'inversion pour permettre à ladite entrée de ladite cavité sans tige dudit cylindre d'aspiration d'eau de mer de communiquer avec ledit trou intérieur de ladite tige de forage; maintenir ladite foreuse dans un mode pression-aspiration; fournir une force de ladite tête motrice de forage à ladite tige de forage et audit outil de forage de tube extérieur pour entraîner ladite lame de coupe annulaire à paroi mince au niveau d'une fonte dudit tube intérieur pour découper lesdits sédiments du fond marin à une vitesse de 20±2 mm/s; et extraire de l'eau de mer de ladite tige de forage par ledit cylindre d'aspiration d'eau de mer, dans lequel un volume de ladite eau de mer aspirée est égal à un volume d'un échantillon de carotte de sédiments dans ledit tube intérieur;
    (3) allumer ladite tête motrice de forage lorsqu'une force de propulsion de ladite tête motrice de forage n'est pas suffisante pour entraîner ladite lame de coupe annulaire à paroi mince pour découper lesdits sédiments du fond marin à une vitesse raisonnable uniquement par pression; forer et découper lesdits sédiments du fond marin dans des conditions dans lesquelles ledit outil de forage de tube extérieur est entraîné par ladite tige de forage pour tourner et ledit tube intérieur ne tourne pas;
    (4) élever ladite tête motrice de forage pour amener ladite tige de forage, ledit outil de forage de tube extérieur et ledit tube intérieur vers le haut dans une position où ledit tube intérieur peut être retiré; coupe de carottes de sédiments;
    (5) abaisser un extracteur par un treuil; récupérer ledit tube intérieur contenant ledit échantillon de carotte de sédiments vers ladite foreuse; séparer ladite tige de forage active de ladite tête motrice de forage de ladite tige de forage qui est agencée au-dessous de ladite tige de forage active; élever ladite tige de forage active à une position la plus élevée; placer ledit tube intérieur contenant ledit échantillon de carotte de sédiments sur ledit support de stockage de ladite foreuse;
    (6) reconnecter ladite tige de forage active à ladite tige de forage qui est disposée en dessous de ladite tige de forage active; commuter ladite vanne d'inversion pour permettre à ladite sortie d'eau de ladite pompe de communiquer avec ledit trou intérieur de ladite tige de forage; mettre en marche ladite pompe et ladite tête motrice de forage; nettoyer un fond dudit trou foré en utilisant ledit outil de forage de tube extérieur pour essuyer des escaliers audit fond dudit trou foré, dans lequel lesdits escaliers sont formés puisque ledit tube intérieur fait saillie hors dudit outil de forage de tube extérieur;
    (7) utiliser ladite pompe pour effectuer un poinçonnage de façon répétée, dans lequel ledit poinçonnage est effectué en élevant ladite tête motrice de forage pour élever ladite tige de forage et ledit outil de forage de tube extérieur de 1,5-2,0 m dudit fond dudit trou foré suivi d'un séjour de 20 à 30 s et d'un retour audit fond dudit trou foré; ledit poinçonnage est effectué 2 à 3 fois lorsqu'une profondeur de forage est inférieure à 10 m, 3 à 4 fois lorsque ladite profondeur de forage est de 10 à 30 m, ou plus de 5 fois lorsque ladite profondeur de forage est supérieure à 30 m; et un débit de pompe de ladite pompe est de 50-80 L/min pendant un poinçonnage vers le bas, et 100-150 L/min lors d'un poinçonnage vers le haut;
    (8) séparer ladite tige de forage active de ladite tige de forage; élever ladite tige de forage active à la position la plus élevée; abaisser un autre tube intérieur qui est creux dans ledit outil de forage de tube extérieur;
    (9) ajouter une autre tige de forage;
    (10) utiliser ladite pompe pour effectuer un poinçonnage de façon répétée, dans lequel ledit poinçonnage est effectué 1 à 2 fois lorsque ladite profondeur de forage est inférieure à 10 m, 2 à 3 fois lorsque ladite profondeur de forage est de 10 à 30 m, ou 4 fois lorsque ladite la profondeur de forage est supérieure à 30 m; ledit débit de pompe de ladite pompe est de 100 à 150 L/min pendant ledit poinçonnage vers le bas et ledit poinçonnage vers le haut;
    (11) effectuer une ou deux des étapes (7) et (10) selon les besoins; déterminer si le carottage atteint une profondeur de trou donnée; si oui, passer à l'étape suivante; si non, répéter les étapes (2) à (10);
    (12) récupérer ladite tige de forage et ledit outil de forage de tube extérieur; et
    (13) récupérer ladite foreuse.
  2. Procédé de carottage de sédiments selon la revendication 1, caractérisé en ce qu'à l'étape (2), le forage est effectué dans ledit mode pression-aspiration à une vitesse de forage de 20 ± 2 mm/s.
  3. Procédé de carottage de sédiments selon la revendication 1, caractérisé en ce qu'à l'étape (3), ladite tête motrice de forage commence à tourner lorsqu'une force de propulsion de ladite tête motrice de forage est de 60 à 80 % de sa propre force de propulsion maximale ou est de 3-4 tonnes; et ladite tête motrice de forage tourne à une vitesse de rotation de 30 à 150 tr/min et effectue le forage à une vitesse de forage de 20 ± 2 mm/s.
  4. Procédé de carottage de sédiments selon la revendication 1, caractérisé en ce qu'à l'étape (5), ledit treuil abaisse ledit extracteur à une vitesse de descente de 18-25 m/min; et ledit treuil et ledit extracteur sont levés pour élever ledit tube intérieur à une vitesse ascendante de 30-40 m/min.
  5. Procédé de carottage de sédiments selon la revendication 1, caractérisé en ce qu'à l'étape (6), ledit outil de forage de tube extérieur nettoie ledit fond dudit trou foré à une vitesse de 20-25 m/min; et ladite pompe fonctionne pendant 1-2 min à un débit de pompe de 50-80 L/min.
  6. Procédé de carottage de sédiments selon la revendication 1, caractérisé en ce qu'à l'étape (3), pendant la rotation de ladite tête motrice de forage, si une force de propulsion de ladite tête motrice de forage est réduite à moins de 2 tonnes ou à moins de 40% de sa propre force de propulsion maximale, ladite tête motrice de forage s'arrête de tourner et à ce stade le forage revient audit mode de pression-aspiration à l'étape (2).
EP19849850.3A 2018-08-13 2019-04-27 Procédé de carottage de sédiments adapté à un carottier à câble sous-marin Active EP3690182B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810914274.XA CN109025880B (zh) 2018-08-13 2018-08-13 一种适用于海底绳索取心钻机的沉积物取心钻进工艺
PCT/CN2019/084697 WO2020034661A1 (fr) 2018-08-13 2019-04-27 Procédé de carottage de sédiments adapté à un carottier à câble sous-marin

Publications (3)

Publication Number Publication Date
EP3690182A1 EP3690182A1 (fr) 2020-08-05
EP3690182A4 EP3690182A4 (fr) 2021-06-09
EP3690182B1 true EP3690182B1 (fr) 2021-11-24

Family

ID=64632900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19849850.3A Active EP3690182B1 (fr) 2018-08-13 2019-04-27 Procédé de carottage de sédiments adapté à un carottier à câble sous-marin

Country Status (3)

Country Link
EP (1) EP3690182B1 (fr)
CN (1) CN109025880B (fr)
WO (1) WO2020034661A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109025880B (zh) * 2018-08-13 2019-11-26 湖南科技大学 一种适用于海底绳索取心钻机的沉积物取心钻进工艺
CN111827911B (zh) * 2020-07-23 2023-04-07 北京探矿工程研究所 一种海底钻机绳索取心动力头、结构及其控制方法
CN111947971B (zh) * 2020-07-31 2023-03-14 天津中科智能识别产业技术研究院有限公司 一种海底沉积物蛇形钻进取样设备及方法
CN112459720A (zh) * 2020-12-18 2021-03-09 湖南科技大学 一种带原位探测装置的水平钻机
CN113006783A (zh) * 2021-04-09 2021-06-22 湖南科技大学 一种适用于水平钻机的原位探测工艺
CN113607479B (zh) * 2021-06-22 2024-07-30 中交第三航务工程勘察设计院有限公司 一种近海岩土工程承压水取样装置及方法
CN113309479B (zh) * 2021-07-12 2022-06-24 中国地质科学院勘探技术研究所 一种用于浅海礁灰岩的高效取心钻井装置及方法
CN115341867B (zh) * 2022-07-25 2024-03-19 广州海洋地质调查局 一种船载钻机海洋沉积物贯入绳索取心装置
CN115898367B (zh) * 2022-11-08 2023-10-03 四川省金钻地质矿产勘探工程有限责任公司 一种隧道超前地质预报钻孔的测量装置及其使用方法
CN116818410B (zh) * 2023-07-12 2023-12-08 浙江华东岩土勘察设计研究院有限公司 一种水域绳索打捞式地质样品取样装置及工作方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1571212A1 (ru) * 1988-07-14 1990-06-15 Московский Геологоразведочный Институт Им.Серго Орджоникидзе Буровой снар д
JP4482775B2 (ja) * 2000-02-22 2010-06-16 鉱研工業株式会社 ロータリパーカッションドリル用ワイヤラインコア採取装置
CN102606074B (zh) * 2012-04-06 2014-04-02 杭州电子科技大学 新型海底深孔保压取芯钻机
KR101205978B1 (ko) * 2012-06-14 2012-11-28 한국지질자원연구원 코어 내 시료의 손실과 교란현상이 방지되는 시추장치
CN205577920U (zh) * 2015-10-30 2016-09-14 湖南科技大学 一种适用于海底钻机的海底沉积物取芯装置
CN105239947A (zh) * 2015-10-30 2016-01-13 湖南科技大学 一种适用于海底钻机的海底沉积物取芯装置
CN105604514B (zh) * 2016-03-14 2018-10-23 湖南科技大学 一种适用于海底钻机的海底沉积物绳索取心钻具
CN105715221B (zh) * 2016-04-29 2018-02-23 湖南科技大学 一种适用于海底钻机的海底沉积物绳索取心三层管钻具
CN106351597B (zh) * 2016-11-17 2018-10-16 湖南科技大学 一种适用于海底钻机的天然气水合物保压绳索取心钻具
CN109025880B (zh) * 2018-08-13 2019-11-26 湖南科技大学 一种适用于海底绳索取心钻机的沉积物取心钻进工艺

Also Published As

Publication number Publication date
WO2020034661A1 (fr) 2020-02-20
CN109025880A (zh) 2018-12-18
EP3690182A1 (fr) 2020-08-05
EP3690182A4 (fr) 2021-06-09
CN109025880B (zh) 2019-11-26

Similar Documents

Publication Publication Date Title
EP3690182B1 (fr) Procédé de carottage de sédiments adapté à un carottier à câble sous-marin
US10927606B2 (en) Sediment core-drilling process for submarine wire-line coring drill rig
WO2020034643A1 (fr) Procédé de forage de machine de carottage à câble préservant la pression pour des hydrates de gaz naturel sous-marin
EP2456947B1 (fr) Système de forage au large
US6629565B2 (en) Abandonment and retrieval apparatus and method
CN102913162B (zh) 深海沉积物连续保压取芯海底钻机及作业方法
KR101670303B1 (ko) 해양 시추 장치 및 해양 시추 방법
CN109267944B (zh) 一种深水表层导管装置
EP1925549A2 (fr) Navire de forage ou plate-forme de forage semi-submersible et ensemble de forage pour activités multiples
JP2010525204A (ja) 水底削岩システム及び水底下方の地層を削岩する方法
WO2004018826A1 (fr) Module de forage sous-marin a utiliser dans le forage de puits de gaz et de petrole
CN113914803B (zh) 一种海上套管浪涌补偿双驱动三层套管钻探取芯装置
US3703212A (en) Method of rock drilling and apparatus for use therein
US3840079A (en) Horizontal drill rig for deep drilling to remote areas and method
CN113914802B (zh) 一种海上套管浪涌补偿双驱动三层套管钻探取芯方法
US3252528A (en) Method of drilling from a fully floating platform
CN102296950A (zh) 一种液压剪切式取样钻具
US3602320A (en) Deep sea pile setting and coring vessel
US3236308A (en) Drilling apparatus and method
KR20150134612A (ko) 작업모드 전환가능 시추리그 및 이를 가지는 시추 구조물
US11624238B1 (en) Deepwater subsea coiled tubing drilling rig
CN112816246A (zh) 用于沉积物地层无干扰均速绳索钻探取样装置及取样方法
CN115162992A (zh) 小直径管柱割捞一体打捞装置及方法
CN106593334B (zh) 自潜式水下钻芯取样装置
KR101665478B1 (ko) 드릴링 시스템 및 방법

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

Free format text: ORIGINAL CODE: 0009012

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200427

AK Designated contracting states

Kind code of ref document: A1

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

A4 Supplementary search report drawn up and despatched

Effective date: 20210512

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 25/18 20060101AFI20210506BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
INTG Intention to grant announced

Effective date: 20210802

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

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

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1450002

Country of ref document: AT

Kind code of ref document: T

Effective date: 20211215

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602019009578

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20211124

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1450002

Country of ref document: AT

Kind code of ref document: T

Effective date: 20211124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220224

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220324

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220324

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220224

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220225

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602019009578

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

26N No opposition filed

Effective date: 20220825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20220430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220427

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220430

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220427

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20240327

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20190427

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240416

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240408

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211124