CN210829196U

CN210829196U - Foundation plate for seabed investigation

Info

Publication number: CN210829196U
Application number: CN201921420500.5U
Authority: CN
Inventors: 白兰昌; 李鹏; 王爱民; 刘姣丽; 范松
Original assignee: Baoji Oilfield Machinery Co Ltd
Current assignee: China National Petroleum Corp; Baoji Oilfield Machinery Co Ltd; CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-23
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a basement for seabed reconnaissance, including top base and lower base, connect through connecting the leg between top base and the lower base, the width of top base is less than the width of base down, lower base width is equipped with the balancing weight in the position of top base, the top base is equipped with the direction mouth, the base is equipped with down the direction mouth down, the top base bottom is connected with the hydraulic tong support frame, symmetrical sliding connection has two pneumatic cylinders on the hydraulic tong support frame, the one end that two pneumatic cylinders are close to mutually all is connected with the binding clip, the binding clip comprises the cambered surface of radius difference, hydraulic tong support frame middle part and last direction mouth and direction mouth down are on a straight line. The utility model discloses structural configuration is reasonable, and the balancing weight top does not have and shelters from, the hoist and mount of the balancing weight of being convenient for, the different radial drilling rod of binding clip visitor's gas centre gripping and not fragile drilling rod that constitute by the cambered surface of radius difference.

Description

Foundation plate for seabed investigation

Technical Field

The utility model belongs to the technical field of the offshore oil drilling equipment, a basement disc is used in seabed reconnaissance is related to.

Background

The marine underwater exploration template is one of important devices for marine exploration and drilling, is used for fixing a drill rod to keep the stability of the drill rod during submarine exploration and sampling, provides acting force on a stratum during sampling, and provides a wellhead positioning effect for multiple tripping operations. The current reconnaissance foundation plate leads to the counter weight setting and arranges unreasonablely because foundation plate overall structure's setting, often needs artifical transport counter weight, and work efficiency is low when increasing the human cost, and hydraulic tong structure presss from both sides easily and hinders or presss from both sides bad drilling rod simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a basement disc is used in seabed reconnaissance has the counter weight top and does not have and shelters from, easily hoist and mount, and hydraulic tong is difficult to press from both sides simultaneously and hinders or press from both sides the characteristics of bad drilling rod.

The utility model provides a technical scheme who adopts is, a base plate for seabed reconnaissance, including top base and lower base, connect through the connecting leg between top base and the lower base, the width of top base is less than the width of base down, lower base width is equipped with the balancing weight in the position of top base, the top base is equipped with the direction mouth, the lower base is equipped with down the direction mouth, the top base bottom is connected with the hydraulic tong support frame, symmetrical sliding connection has two pneumatic cylinders on the hydraulic tong support frame, the one end that two pneumatic cylinders are close to mutually all is connected with the binding clip, the binding clip comprises the cambered surface of radius difference, hydraulic tong support frame middle part and last direction mouth and lower direction mouth are on a straight line.

The utility model discloses a characteristics still lie in:

the binding clip comprises 3 cambered surfaces of different radiuses, and the cambered surface radius at the opening both ends of binding clip is the same, and this radius is greater than the cambered surface radius between the opening both ends of binding clip.

The hydraulic tong support frame is also provided with a guide pressure plate.

The upper base is hinged with the connecting legs through connecting pins, and the connecting legs are connected with the lower base through bolts and nuts.

The upper surface of the upper base is provided with a first pulley, a second pulley and a horizontal pulley assembly.

The hydraulic cylinder is controlled by sonar, cable or hydraulic pressure, or the combination of the control modes.

The connecting legs (3) are welded into a right-angled triangle structure by round steel pipe groups.

The utility model has the advantages that: the utility model discloses simple structure arranges rationally, and the balancing weight top does not have and shelters from, is convenient for hoist and mount, reduces the human cost, improves work efficiency, and the binding clip that the binding clip comprises different radial cambered surfaces can clamp down different radial drilling rods, and difficult damage drilling rod, the utility model discloses a after supporting is equipped with reconnaissance ship drilling to the basement base plate for reconnaissance, can realize that the well head location of ocean reconnaissance and geophysical prospecting sampling process, direction drilling tool, sample time fixed drilling tool and for sampling tool provide functions such as terminal support.

Drawings

Fig. 1 is a schematic view of a main structure of a base plate for seabed exploration according to the present invention;

fig. 2 is a top view of the upper surface of the upper base of the base plate for seabed exploration;

FIG. 3 is a schematic structural view of a hydraulic tong of a base plate for seabed exploration;

fig. 4 is a schematic diagram of the hydraulic tong of the base plate for seabed investigation clamping drill rods with different radiuses.

In the figure, 1, an upper base, 2, a lower base, 3, a connecting leg, 4, an upper guide port, 5, a lower guide port, 6, a hydraulic tong support frame, 7, a balancing weight, 8, a hydraulic cylinder, 9, a tong head, 10, a guide pressure plate, 11, a first pulley, 12, a second pulley and 13 are horizontal pulley assemblies.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a template is used in sea floor reconnaissance, through the template winch of installation on the reconnaissance ship deck, utilize wire rope to transfer this template to the target seabed position to use with reconnaissance ship drilling system is supporting in implementing the drilling process.

As shown in figure 1, the base plate for seabed exploration of the utility model comprises an upper base 1 and a lower base 2, the upper base 1 and the lower base 2 are connected through a connecting leg 3 welded into a right triangle structure by a round steel pipe group, the upper base 1 is hinged with the connecting leg 3 through a connecting pin and can be conveniently disassembled, the connecting leg 3 is connected with the lower base 2 through a bolt and a nut, the width of the upper base 1 is smaller than that of the lower base 2, a balancing weight 7 is arranged at the position where the lower base 2 is wider than the upper base 1, the upper base 1 is provided with an upper guide port 4, the lower base 2 is provided with a lower guide port 5, the bottom of the upper base 1 is connected with a hydraulic tong support frame 6, as shown in figure 3, two hydraulic cylinders 8 and a guide pressure plate 10 for guiding the tong head 9 are symmetrically and slidably connected on the hydraulic tong support frame 6, one ends of the two hydraulic cylinders 8 are both connected with the tong head 9, the binding clip 9 comprises 3 cambered surfaces with different radiuses, the cambered surface radiuses at the two ends of the opening of the binding clip 9 are the same, the radiuses are larger than the cambered surface radiuses between the two ends of the opening of the binding clip 9, the middle part of the hydraulic tong support frame 6, the upper guide port 4 and the lower guide port 5 are on the same straight line, as shown in figure 2, a first pulley 11, a second pulley 12 and a horizontal pulley assembly 13 are arranged on the upper surface of the upper base 1, and a steel wire rope which is wound is connected with a surveying vessel.

The upper guide opening 4 and the lower guide opening 5 are conical surfaces or polygonal pyramid surfaces, and are formed by casting or rolling steel plates, or formed by welding a plurality of steel plates.

The hydraulic cylinder 8 is controlled by sonar, cable or hydraulic pressure, or by a combination of these control methods.

To facilitate disassembly and replacement, the lower assembly is made up of two lower bases 2, either of unitary construction or of other multiple pieces. The lower guide port 5 is fixedly arranged at the central position of the lower base assembly through a bolt, so that the lower guide effect of the drill rod is ensured, and the drill rod is prevented from colliding with other parts.

The utility model relates to a seabed reconnaissance is with basic plate working process: when reconnaissance and geophysical prospecting operation, the utility model discloses the device is gone into target seabed position down through wire rope with the template winch on the reconnaissance ship deck. Firstly, the steel wire rope of the base plate winch sequentially passes through the first pulley 11, the second pulley 12 and the horizontal pulley assembly 13 at the top of the device, and then the steel wire rope is lowered to the target seabed position through the base plate winch. Promote and transfer the in-process of drilling rod, lead through last direction mouthful 4 and lower direction mouthful 5, at the sampling in-process, at first through sonar control system transmission signal on the deck, remote control submarine hydraulic cylinder 8 moves, drives binding clip 9 to the centre gripping of drilling rod, the utility model discloses a binding clip 9 design can be used for the drilling rod of two kinds of common models of centre gripping, and not fragile drilling rod, utilizes the marine sampling winch of reconnaissance this moment to put the target position to sampling tool through the drilling rod, can carry out the operation of taking a sample. After the sampling is finished, the sonar control system is used for remote control, so that the hydraulic clamp 9 is loosened to perform other operations.

The utility model has the advantages that: in the marine investigation operation, can carry out the centre gripping to the drilling rod of two kinds of different diameters, and difficult damage drilling rod. Simple structure is tight short, arranges rationally, and the balancing weight can hoist and mount, has reduced the human cost.

Claims

1. A base plate for seabed exploration is characterized by comprising an upper base (1) and a lower base (2), the upper base (1) and the lower base (2) are connected through connecting legs (3), the width of the upper base (1) is less than that of the lower base (2), a balancing weight (7) is arranged at the position where the lower base (2) is wider than the upper base (1), the upper base (1) is provided with an upper guide port (4), the lower base (2) is provided with a lower guide port (5), the bottom of the upper base (1) is connected with a hydraulic tong support frame (6), the hydraulic tong support frame (6) is symmetrically and slidably connected with two hydraulic cylinders (8), one ends of the two hydraulic cylinders (8) close to each other are both connected with a tong head (9), the clamp head (9) is composed of arc surfaces with different radiuses, and the middle of the hydraulic clamp support frame (6) is in a straight line with the upper guide port (4) and the lower guide port (5).

2. The template for seabed investigation as claimed in claim 1, wherein the binding clip (9) is composed of 3 cambered surfaces with different radii, the radius of the cambered surface at the two open ends of the binding clip (9) is the same, and the radius is larger than the radius of the cambered surface between the two open ends of the binding clip (9).

3. The template for seabed investigation as claimed in claim 1, wherein the hydraulic tong support frame (6) is further provided with a guide pressure plate (10).

4. The template for seafloor reconnaissance as claimed in claim 1, wherein the upper base (1) is hinged with the connecting legs (3) by connecting pins, and the connecting legs (3) are connected with the lower base (2) by bolts and nuts.

5. The template for seafloor reconnaissance as claimed in claim 1, wherein the upper surface of the upper base (1) is provided with a first pulley (11), a second pulley (12) and a horizontal pulley assembly (13).

6. The seabed investigation basic plate of claim 1, wherein the hydraulic cylinder (8) is sonar control, cable control or hydraulic control, or a combination of these control methods.

7. The template for seafloor investigation of claim 1, wherein the connecting legs (3) are welded into a right triangle structure by using round steel pipe groups.