CN107288585B - Base system for deep water investigation and use method thereof - Google Patents
Base system for deep water investigation and use method thereof Download PDFInfo
- Publication number
- CN107288585B CN107288585B CN201710615711.3A CN201710615711A CN107288585B CN 107288585 B CN107288585 B CN 107288585B CN 201710615711 A CN201710615711 A CN 201710615711A CN 107288585 B CN107288585 B CN 107288585B
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- base
- drill string
- oil cylinder
- steel wire
- wire rope
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000011835 investigation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
The invention discloses a base system for deep water investigation and a use method thereof, wherein the base system comprises a base, a vertical rod and an inclined rod, and the vertical rod and the inclined rod support an automatic balance hoisting system which comprises a hollow mounting seat, a vertical pulley, a horizontal pulley and a bell mouth; an automatic positioning and locking system of the drill string is arranged between the base and the mounting seat and comprises a drill string channel, an oil cylinder platform, an upright post, a hydraulic oil cylinder, a clamp seat and a clamp jaw; the mounting seat is provided with a communication system, and the base is provided with a main control system, a deepwater exploration hydraulic power system and a deepwater power supply; assembling; the steel wire rope is arranged on an automatic balance hoisting system and hoisted to a moon pool; checking the position of the base, and stopping feeding the steel wire rope when the load representing number of the steel wire rope is reduced; providing hydraulic power to complete positioning and locking of the drill string; the base system is lifted to the deck by the master control system. The invention can stably sit on the seabed by lowering the steel wire rope from the drilling ship or the platform to the seabed, and can improve the precision, depth and speed of marine investigation.
Description
Technical Field
The invention relates to the technical field of marine exploration, in particular to a base system for deep water exploration and a use method thereof.
Background
According to the regulations of the united nations ocean law, the national ocean territories including inland water, the leading sea, the exclusive economic zone and the continental shelf are close to 300 ten thousand square kilometers. Marine resources are important resource reserves in China, and comprise oil and gas resource sedimentary basins of about 70 ten thousand square kilometers, petroleum resource estimated quantity of about 240 hundred million tons, natural gas resource estimated quantity of about 14 trillion cubic meters, and a large amount of natural gas hydrate resources, namely 'combustible ice' which is most hopefully used as oil and gas alternative energy in the century.
At present, when the exploration technology operation is carried out in China, shallow sea mainly adopts leasing or purchasing foreign bases to carry out the operation, and deep sea basically needs foreign companies to finish the operation, so that the accuracy and confidentiality of technical data are difficult to ensure.
Disclosure of Invention
The invention aims to solve the defects of sampling data precision and operation depth in the current marine exploration process, and provides a base system for deep water exploration and a use method thereof.
The aim of the invention can be achieved by the following technical scheme.
The base system for deep water investigation comprises a base frame, wherein the base frame comprises a base provided with a through hole along an axis, and a vertical rod and a diagonal rod which are arranged on the upper surface of the base, wherein an automatic balance hoisting system is supported and fixed at the top of the vertical rod and the top of the diagonal rod together, the automatic balance hoisting system comprises a hollow mounting seat, a vertical pulley and a horizontal pulley are arranged in the mounting seat, and a horn mouth penetrating through the top and the bottom of the mounting seat is arranged at the top of the mounting seat along the axis;
the automatic drill string positioning and locking system comprises a drill string channel which is vertically arranged, an oil cylinder platform is arranged at the top of the drill string channel, an upright post is arranged between the oil cylinder platform and the base, two hydraulic cylinders are symmetrically arranged on the oil cylinder platform, telescopic clamp seats are respectively arranged on opposite sides of the two hydraulic cylinders, and each clamp seat is provided with an arc jaw which is pressed and deformed; the drill string channel, the through hole on the base and the bell mouth are communicated in the vertical direction;
the installation seat is provided with a communication system, and the base is provided with a main control system connected with the communication system, a deep water investigation hydraulic power system for providing power for the automatic positioning and locking system of the drill string and a deep water power supply for supplying power.
The vertical pulleys are arranged in two diagonally, triangular points are arranged on the vertical pulleys and the horizontal pulleys, two traction holes for the steel wire ropes to pass through are formed in the top of the mounting seat, and the traction holes correspond to the vertical pulleys one by one.
The hydraulic oil cylinder is characterized in that an oil cylinder support is arranged between the hydraulic oil cylinder and an oil cylinder platform, an oil pipe connected with a deep water investigation hydraulic power system is arranged on the hydraulic oil cylinder, a frame for positioning a drill string is arranged on the oil cylinder platform, two jaws are shielded by the frame, and a through hole coaxial with a drill string channel is formed in the top of the frame.
The aim of the invention can be achieved by the following technical scheme.
A method of using a base system for deep water surveys, comprising the steps of:
step one, assembling the base system for deep water investigation according to the implemented investigation operation task and design drawing;
step two, after the steel wire rope on the drilling ship or the platform is installed to an automatic balance hoisting system, the assembled base system is hoisted to a moon pool;
thirdly, after the positioning of the drilling ship or the platform is finished, the base system is lowered to a target wellhead position, the base position is checked through the water depth measuring equipment in the main control system and the lowering length of the steel wire rope, when the depth is close to the target depth, the lowering speed of the steel wire rope is reduced, when the load representing number of the steel wire rope is reduced, the lowering of the steel wire rope is stopped, and whether the lowering is in place is checked through the water depth measuring equipment on the drilling ship or the platform and the water depth measuring equipment in the main control system;
when the drill string locking operation is performed after the drill string is lowered in place, the main control system controls the deepwater exploration hydraulic power system to operate, and the deepwater exploration hydraulic power system provides hydraulic power for the automatic drill string positioning and locking system to complete automatic drill string positioning and locking actions;
and fifthly, resetting the whole base system through the main control system after the operation is completed, and lifting the base system to a deck.
Compared with the prior art, the technical scheme of the invention has been successfully applied to the construction of marine investigation operation for many times, and the field use effect shows that the base system has the following advantages:
(1) The invention comprises a deepwater power supply for supplying power, a main control system for controlling the whole base system, a deepwater investigation hydraulic power system for providing power for an automatic positioning and locking system of a drill string, a communication system for communicating with a deck, a self-balancing hoisting system for hoisting and balancing the base system and an automatic positioning and locking system of the drill string for positioning and locking the drill string, and can be used for positioning and locking the drill string after being lowered to the seabed through a steel wire rope under the existing offshore investigation drilling technical condition, thereby realizing the locking of the drill string with high precision and high speed;
(2) The invention adopts the arc-shaped jaw which is deformed under pressure, so that the friction force can be greatly improved, the original shape can be restored after the pressure disappears, and the damage to the drill string is avoided;
(3) The invention has small volume, does not occupy too large area of a deck, is convenient to carry, and can realize positioning and locking of the drill string in a shallow water (sea) area with the depth of 4000 meters by hoisting through the steel wire rope without loading the drill string.
Drawings
FIG. 1 is a schematic diagram of an axial side structure of a base system for deep water surveys of the present invention;
FIG. 2 is an elevational structural schematic of the foundation system for deep water surveys of the present invention;
FIG. 3 is a schematic axial side view of the automatic drill string positioning and locking system of the present invention;
FIG. 4 is a schematic elevational view of the automatic drill string positioning and locking system of the present invention;
fig. 5 is a cross-sectional view A-A of fig. 3.
Reference numeral 1 a base frame; 1-1 a base; 1-2 vertical rods; 1-3 diagonal bars;
2 deep water power supply; 3, a main control system; 4, a hydraulic power system for deep water exploration; 5 a communication system;
6, automatically balancing the hoisting system; 7, a drill string automatic positioning and locking system;
6-1 mounting seats; 6-2, erecting a pulley; 6-3 horizontal pulleys; 6-4 horn mouths; 6-5 traction holes;
7-1 cylinder platform; 7-2 frames; 7-3 upright posts; 7-4 drill string passages; 7-5 cylinder support;
7-6 oil pipes; 7-7 jaws; 7-8 hydraulic cylinders; 7-9 pliers seats.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the base system for deep water exploration of the present invention comprises a base frame 1, wherein the base frame 1 comprises a base 1-1 provided with through holes along an axis, a vertical rod 1-2 and a diagonal rod 1-3 arranged on the upper surface of the base 1-1, and an automatic balance hoisting system 6 is commonly supported on the top of the vertical rod 1-2 and the diagonal rod 1-3, and the automatic balance hoisting system 6 is used for hoisting and balancing the whole base system. The automatic balance hoisting system 6 comprises a hollow mounting seat 6-1 coaxially arranged with the base 1-1, wherein a horn mouth 6-4 penetrating through the top and the bottom of the mounting seat 6-1 is arranged on the top of the mounting seat along the axis. The installation seat 6-1 is internally provided with a vertical pulley 6-2 and a horizontal pulley 6-3, two opposite angles of the vertical pulley 6-2 are arranged, triangular points are arranged on the vertical pulley 6-3, two traction holes 6-5 used for a steel wire rope to pass through are formed in the top of the installation seat 6-1, and the traction holes 6-5 correspond to the vertical pulleys 6-2 one by one.
An automatic drill string positioning and locking system 7 is arranged between the base 1-1 and the mounting seat 6-1, and the automatic drill string positioning and locking system 7 is used for positioning and locking a drill string. The automatic drill string positioning and locking system 7 comprises a drill string channel 7-4 which is vertically arranged, an oil cylinder platform 7-1 is arranged at the top of the drill string channel 7-4, and a stand column 7-3 is arranged between the oil cylinder platform 7-1 and the base 1-1. Two hydraulic cylinders 7-8 are symmetrically arranged on the cylinder platform 7-1, telescopic clamp seats 7-9 are respectively arranged on opposite sides of the two hydraulic cylinders 7-8, and each clamp seat 7-9 is provided with an arc-shaped jaw 7-7 which is deformed under pressure. An oil cylinder support 7-5 is arranged between the hydraulic oil cylinder 7-8 and the oil cylinder platform 7-1, an oil pipe 7-6 connected with the deepwater exploration hydraulic power system 4 is arranged on the hydraulic oil cylinder 7-8, a frame 7-2 for positioning a drill string is arranged on the oil cylinder platform 7-1, and the frame 7-2 can shield the jaw 7-7 in two recovery states. The middle part of the oil cylinder platform 7-1 and the top of the frame 7-2 are provided with through holes coaxial with the drill string channel 7-4. The through hole on the base 1-1, the drill string channel 7-4, the through hole on the oil cylinder platform 7-1, the through hole on the top of the frame 7-2 and the bell mouth 6-4 are communicated in the vertical direction, so that the drill string can conveniently penetrate through the base system of the invention.
The installation seat 6-1 is provided with a communication system 5, and the base 1-1 is provided with a main control system 3, a deep water exploration hydraulic power system 4 and a deep water power supply 2 for supplying power, wherein the main control system 3, the deep water exploration hydraulic power system 4 and the deep water power supply 2 are connected with the communication system 5. The main control system 3 is used for controlling the whole base system, the deep water investigation hydraulic power system 4 is used for providing hydraulic power for the automatic positioning and locking system 7 of the drill string, and the communication system 5 is used for communicating with a deck.
After the base system of the invention is lowered to the seabed through the steel wire rope, the drill string is positioned and locked, and corresponding investigation operation can be executed. The invention relates to a using method of a base system for deep water exploration, which comprises the following steps:
step one, according to the implemented investigation task and the design drawing, the base system for deep water investigation is assembled.
And step two, after the steel wire rope on the drilling ship or the platform is installed on the automatic balance hoisting system 6, the assembled base system is hoisted into the moon pool. The steel wire rope is led in through one traction hole 6-5, sequentially passes through the vertical pulley 6-2, the horizontal pulley 6-3 and the vertical pulley 6-2 at the diagonal position and is led out through the other traction hole 6-5, so that the whole base system is tethered, and the base system is hoisted at a later stage.
And thirdly, after the positioning of the drilling ship or the platform is finished, the base system is lowered to a target wellhead position, the position of the base 1-1 is checked through the built-in water depth measuring equipment of the main control system 3 and the lowering length of the steel wire rope, when the depth is close to the target depth, the lowering speed of the steel wire rope is reduced, when the indication of a steel wire rope load meter (on a deck) is reduced, the lowering of the steel wire rope is stopped, and whether the base system is lowered in place is checked through the water depth measuring equipment on the drilling ship or the platform and the water depth measuring equipment in the main control system 3.
And step four, after the drill string is lowered in place, when the drill string locking operation is performed, the main control system 3 controls the deepwater exploration hydraulic power system 4 to operate, the deepwater exploration hydraulic power system 4 provides hydraulic power for the drill string automatic positioning locking system 7, and the two clamp seats 7-9 symmetrically extend out to enable the two clamp jaws 7-7 to lock the drill string, so that the automatic positioning and locking actions of the drill string are completed.
And fifthly, resetting the whole base system through the main control system 3 after the operation is completed, and lifting the base system to a deck.
Although the function and operation of the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to the above-described specific functions and operations, but the above-described specific embodiments are merely illustrative, not restrictive, and many forms can be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are included in the protection of the present invention.
Claims (2)
1. A base system for deep water exploration, comprising a base frame (1), wherein the base frame (1) comprises a base (1-1) provided with a through hole along an axis, a vertical rod (1-2) and a diagonal rod (1-3) which are arranged on the upper surface of the base (1-1), and the base system is characterized in that an automatic balance hoisting system (6) is commonly supported at the tops of the vertical rod (1-2) and the diagonal rod (1-3), the automatic balance hoisting system (6) comprises a hollow mounting seat (6-1), a vertical pulley (6-2) and a horizontal pulley (6-3) are arranged in the mounting seat (6-1), and a horn mouth (6-4) penetrating through the top and the bottom of the mounting seat (6-1) is arranged at the top along the axis;
a drill string automatic positioning and locking system (7) is arranged between the base (1-1) and the mounting seat (6-1), the drill string automatic positioning and locking system (7) comprises a drill string channel (7-4) which is vertically arranged, an oil cylinder platform (7-1) is arranged at the top of the drill string channel (7-4), an upright post (7-3) is arranged between the oil cylinder platform (7-1) and the base (1-1), two hydraulic oil cylinders (7-8) are symmetrically arranged on the oil cylinder platform (7-1), telescopic clamp seats (7-9) are respectively arranged on opposite sides of the two hydraulic oil cylinders (7-8), and arc-shaped jaws (7-7) which are pressed and deformed are arranged on each clamp seat (7-9); the drill string channel (7-4), the through hole on the base (1-1) and the bell mouth (6-4) are communicated in the vertical direction;
the deep water investigation hydraulic power system is characterized in that a communication system (5) is arranged on the mounting seat (6-1), and a main control system (3) connected with the communication system (5), a deep water investigation hydraulic power system (4) for providing power for an automatic positioning and locking system (7) of a drill string and a deep water power supply (2) for supplying power are arranged on the base seat (1-1);
the two opposite angles of the vertical pulleys (6-2) are arranged and are arranged with the horizontal pulleys (6-3) by adopting triangular points, two traction holes (6-5) for a steel wire rope to pass through are formed in the top of the mounting seat (6-1), and the traction holes (6-5) are in one-to-one correspondence with the vertical pulleys (6-2);
the hydraulic oil cylinder is characterized in that an oil cylinder support (7-5) is arranged between the hydraulic oil cylinder (7-8) and the oil cylinder platform (7-1), an oil pipe (7-6) connected with the deep water exploration hydraulic power system (4) is arranged on the hydraulic oil cylinder (7-8), a frame (7-2) for positioning a drill string is arranged on the oil cylinder platform (7-1), the frame (7-2) shields the two jaws (7-7), and a through hole coaxial with the drill string channel (7-4) is formed in the top of the frame.
2. A method of using the base system for deep water surveys of claim 1, comprising the steps of:
step one, assembling the base system for deep water investigation according to the implemented investigation operation task and design drawing;
step two, after the steel wire rope on the drilling ship or the platform is installed to an automatic balance hoisting system (6), the assembled base system is hoisted to a moon pool;
thirdly, after the positioning of the drilling ship or the platform is finished, the base system is lowered to a target wellhead position, the position of the base (1-1) is checked through water depth measuring equipment in the main control system (3) and the lowering length of the steel wire rope, when the steel wire rope lowering speed is reduced and the steel wire rope load representing number is reduced, the lowering of the steel wire rope is stopped, and whether the base is lowered in place is checked through the water depth measuring equipment on the drilling ship or the platform and the water depth measuring equipment in the main control system (3);
after the drill string is lowered in place, when the drill string locking operation is performed, the main control system (3) controls the deepwater exploration hydraulic power system (4) to operate, and the deepwater exploration hydraulic power system (4) provides hydraulic power for the drill string automatic positioning locking system (7) to complete the drill string automatic positioning and locking operation;
and fifthly, resetting the whole base system through the main control system (3) after the operation is completed, and lifting the base system to a deck.
Priority Applications (1)
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CN201710615711.3A CN107288585B (en) | 2017-07-26 | 2017-07-26 | Base system for deep water investigation and use method thereof |
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CN201710615711.3A CN107288585B (en) | 2017-07-26 | 2017-07-26 | Base system for deep water investigation and use method thereof |
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CN107288585B true CN107288585B (en) | 2023-09-05 |
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Families Citing this family (2)
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CN110588877B (en) * | 2019-09-30 | 2021-04-27 | 广州黄船海洋工程有限公司 | Diving moon pool installation process |
CN117626931B (en) * | 2023-12-18 | 2024-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Self-elevating geological survey platform seabed base plate, retraction device and operation method |
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CN206942739U (en) * | 2017-07-26 | 2018-01-30 | 北京探矿工程研究所 | Base system for deep water exploration |
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US7458425B2 (en) * | 2004-09-01 | 2008-12-02 | Anadarko Petroleum Corporation | System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber |
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2017
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GB1448401A (en) * | 1974-01-22 | 1976-09-08 | Hodgson D | Deep sea exploration structures |
GB1502643A (en) * | 1975-02-06 | 1978-03-01 | Taylor Woodrow Const Ltd | Joints for anchoring structures to the sea bed |
WO2006057646A2 (en) * | 2004-11-22 | 2006-06-01 | Anadarko Petroleum Corporation | System and method of installing and maintaining offshore exploration and production system having adjustable buoyancy chamber |
WO2007028982A1 (en) * | 2005-09-07 | 2007-03-15 | Keron Engineering Ltd | Subsea pipeline end & drilling guide frame assembly |
JP2012245944A (en) * | 2011-05-31 | 2012-12-13 | Sugino Gomu Kagaku Kogyosho:Kk | Seabed exploration apparatus |
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