EP3940191A1 - Machine et procédé pour les sondages sous-marins - Google Patents

Machine et procédé pour les sondages sous-marins Download PDF

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Publication number
EP3940191A1
EP3940191A1 EP21382568.0A EP21382568A EP3940191A1 EP 3940191 A1 EP3940191 A1 EP 3940191A1 EP 21382568 A EP21382568 A EP 21382568A EP 3940191 A1 EP3940191 A1 EP 3940191A1
Authority
EP
European Patent Office
Prior art keywords
underwater
soundings
machine
drilling
casing pipe
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Withdrawn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
EP21382568.0A
Other languages
German (de)
English (en)
Inventor
Joel COSTA VIDAL
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.)
Geociencias Y Exploraciones Marinas SL
Original Assignee
Geociencias Y Exploraciones Marinas SL
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 Geociencias Y Exploraciones Marinas SL filed Critical Geociencias Y Exploraciones Marinas SL
Publication of EP3940191A1 publication Critical patent/EP3940191A1/fr
Withdrawn legal-status Critical Current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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • E21B7/124—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/02—Supports for the drilling machine, e.g. derricks or masts 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/18—Connecting or disconnecting drill bit and drilling pipe
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/022—Top drives
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base

Definitions

  • the present invention relates to a machine and a method for underwater soundings.
  • Geotechnical underwater soundings can be carried out in two ways: by using geotechnical ships with a drilling turret, or by rigs that drill directly the seabed.
  • Geotechnical soundings unlike oil or gas soundings, requires recovering the probed sample for further analysis and study, which is why it is a type of sounding that normally requires two processes, sounding and recovering the sample.
  • a feed beater is lowered to the seabed.
  • a feed beater is a heavy structure that has a funnel-shaped area and serves to guide the pipe that will be lowered from the ship and thus helps that when the pipe is rotating, it does not move.
  • the pipe With the feed beater on the seabed, the pipe is lowered from the ship to the feed beater. Depending on the depth, more or less pipe will have to be added.
  • a core barrel is lowered inside the pipe. This is just an inner tube that is anchored at the beginning of the pipe and that will store the probed sample (1.5 or 3 meters).
  • This core barrel is lowered with a steel cable and when it reaches the bottom and is anchored, it is disconnected from the cable, thus being able to recover that steel cable.
  • the steel cable is inserted to the bottom of the pipe, which will be connected to the core barrel and allow to recover the inner sample.
  • This process will be repeated as many times as meters of sample need to be recovered. If we want 60 meters of sounding and the core barrel sampling tube is 3 meters, we will have to repeat it 20 times.
  • the operating principle is based on the core barrel system, but in this case the drilling turret is in the machine itself. With these systems, the time spent lowering the pipe to the seabed is eliminated and the poor quality of the recovered samples is eliminated.
  • this pressure is introduced by a pump that is connected to the top of the pipe, which limits the length of the pipe used to about 3 meters.
  • an objective of the present invention is to provide a machine and a method for underwater soundings that solves the above drawbacks, working by using the core barrel from the ship, but introducing the drilling turret in the equipment that is lowered to the seabed and eliminating the obligation to have a pipeline connected from the ship to the seabed
  • the underwater sounding machine comprises:
  • said rotating head is movable, in particular, movable only vertically along the drilling turret, for example, by means of pistons arranged in the drilling turret.
  • said rotating head preferably includes a double jaw to facilitate the operation of reception and coupling of the casing pipes.
  • Said pressurized water injection hose is also advantageously a hose for moving the core barrel and the sections of the casing pipe.
  • the machine for underwater soundings also comprises a floating guide with an anchoring system that will move between the two steel cables that lift the equipment and will serve to guide the pipes and core barrels that take the samples from the deck of the ship to the feed beater located on top of the equipment.
  • Said drilling turret also advantageously comprises a leveling base and a ballast.
  • the drilling turret comprises one or more cameras, which are arranged in suitable positions to control the actions of the machine.
  • the present invention refers to a method for underwater soundings, comprising the following steps:
  • the machine and method for underwater soundings according to the present invention provide the following improvements over current systems:
  • the underwater sounding machine comprises a drilling turret 1, which, in its position of use, is placed on the seabed by moving along cables 3.
  • the drilling turret 1 comprises a leveling base 4, which contacts the seabed, which is surrounded by a skirt 5, that is, by a vertical wall.
  • the drilling turret 1 also comprises a ballast 6 to provide adequate weight for the drilling turret 1 to be fixed in position and a head 7, the function of which will be described below.
  • This head 7 is vertically movable by means of pistons 8.
  • the underwater sounding machine also comprises a hose 9, which has two functions: a first function of injecting water under pressure to be able to perform underwater sounding, and a second function of allowing the movement of pipe sections 10 and a core barrel 11 (shown in figure 9 ), which is located inside said pipe 10.
  • the function of the head 7 is to join the pipe sections 10 and rotate to carry out the test.
  • the turret 1 comprises two jaws 12, 13, said jaws 12, 13 being rotatable relative to each other, one of these jaws being a double one. In this way, the pipe sections 10 can be separated, by, for example, threading and unscrewing.
  • the drilling turret 1 also includes cameras 14, which allow the process to be controlled remotely.
  • a first camera is located above said head 7, while a second camera is located below the head 7, focusing both cameras towards jaws 12, 13 of the head 7.
  • the method for underwater soundings comprises the following steps: First, the drilling rig 1 is lowered to the seabed with a 3 meter section of pipe and the core barrel already anchored to the first section together with the hose connected to the pipe. When the equipment rests on the seabed, sounding can begin.
  • Figure 3 shows the start of drilling, in which an encoder determines a zero position to calculate the drill length, and Figure 4 shows pipe 10 in its drilling position.
  • This hose 9 is in charge of supplying the water pressure to perform the sounding and is strong enough to supply the water pressure and at the same time provide a cable to raise and lower the sections of the casing pipe 10 and the core barrel 11.
  • FIG. 5 shows the detail of the jaws 12, 13, which allows the connection and separation of the pipe sections 10 by rotating the jaws 12, 13 with respect to each other.
  • This process is repeated as many times as the length of the sample is needed.
  • FIG 11 a second embodiment of the turret of the machine for underwater soundings according to the present invention is shown.

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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
EP21382568.0A 2020-06-29 2021-06-28 Machine et procédé pour les sondages sous-marins Withdrawn EP3940191A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES202030648A ES2888924A1 (es) 2020-06-29 2020-06-29 Máquina y procedimiento para sondeos submarinos

Publications (1)

Publication Number Publication Date
EP3940191A1 true EP3940191A1 (fr) 2022-01-19

Family

ID=76942961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21382568.0A Withdrawn EP3940191A1 (fr) 2020-06-29 2021-06-28 Machine et procédé pour les sondages sous-marins

Country Status (2)

Country Link
EP (1) EP3940191A1 (fr)
ES (1) ES2888924A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043407A (en) * 1975-02-06 1977-08-23 Taywood Seltrust Offshore Drilling sampling/testing equipment
US20170152719A1 (en) * 2014-05-13 2017-06-01 Bauer Maschinen Gmbh Underwater drilling device and method for procuring and analyzing ground samples of a bed of a body of water
WO2017108098A1 (fr) * 2015-12-22 2017-06-29 Control Y Prospecciones Igeotest, S.L. Système de forage de fond marin
WO2019226913A1 (fr) * 2018-05-24 2019-11-28 Benthic Usa Llc Foreuse géotechnique à double élévation rotative
US20200131853A1 (en) * 2018-08-13 2020-04-30 Hunan University Of Science And Technology Sediment core-drilling process for submarine wire-line coring drill rig

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353612A (en) * 1964-06-01 1967-11-21 Clyde E Bannister Method and apparatus for exploration of the water bottom regions
GB2222842B (en) * 1988-09-16 1992-07-15 Otis Eng Co Method and apparatus for running coiled tubing in subsea wells
US7380614B1 (en) * 2007-05-11 2008-06-03 Williamson & Associates, Inc. Remotely operated water bottom based drilling system using cable for auxiliary operations
US8235104B1 (en) * 2008-12-17 2012-08-07 T&T Engineering Services, Inc. Apparatus for pipe tong and spinner deployment
MX342744B (es) * 2010-06-30 2016-10-10 Marl Tech Inc * Sistema de perforacion bajo el agua que se puede operar en forma remota y metodo de perforacion.
EP2562310B1 (fr) * 2011-08-23 2016-07-20 BAUER Maschinen GmbH Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043407A (en) * 1975-02-06 1977-08-23 Taywood Seltrust Offshore Drilling sampling/testing equipment
US20170152719A1 (en) * 2014-05-13 2017-06-01 Bauer Maschinen Gmbh Underwater drilling device and method for procuring and analyzing ground samples of a bed of a body of water
WO2017108098A1 (fr) * 2015-12-22 2017-06-29 Control Y Prospecciones Igeotest, S.L. Système de forage de fond marin
WO2019226913A1 (fr) * 2018-05-24 2019-11-28 Benthic Usa Llc Foreuse géotechnique à double élévation rotative
US20200131853A1 (en) * 2018-08-13 2020-04-30 Hunan University Of Science And Technology Sediment core-drilling process for submarine wire-line coring drill rig

Also Published As

Publication number Publication date
ES2888924A1 (es) 2022-01-10

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