CN210427818U

CN210427818U - Four-edge high-sensitivity intertidal zone detector

Info

Publication number: CN210427818U
Application number: CN201921154892.5U
Authority: CN
Inventors: 曹国滨; 杨德宽; 王洪忠; 王春田; 王滨; 徐钰; 徐美辉; 任立刚; 张剑; 崔汝国
Original assignee: China Petrochemical Corp; Sinopec Oilfield Service Corp; Sinopec Petroleum Engineering Geophysics Co Ltd; Sinopec Petroleum Engineering Geophysics Co Ltd Shengli Branch
Current assignee: China Petrochemical Corp; Sinopec Oilfield Service Corp; Sinopec Petroleum Engineering Geophysics Co Ltd; Sinopec Petroleum Engineering Geophysics Co Ltd Shengli Branch
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a four arriss type high sensitivity intertidal zone wave detector, including barrel, high sensitivity wave detector core passes through universal ship to be fixed inside the barrel, the barrel is the cuboid structure, and the guiding gutter is seted up to the barrel surface. The utility model discloses an external structure design reduces the impact of tide water to the wave detector, and the appearance is the cuboid structure, can guarantee the long face and the steady coupling in interface of cuboid, to the inside wave detector mounting structure design of wave detector, adopts universal ship structure, guarantees that the wave detector is in the position on perpendicular ground all the time. The detector is internally connected in series by 3 high-sensitivity detector cores, so that the sensitivity of the detector is improved, and the reliability and consistency are higher due to the small number of the detectors.

Description

Four-edge high-sensitivity intertidal zone detector

Technical Field

The utility model belongs to the technical field of geophysical exploration and development technique and specifically relates to a four arriss type high sensitivity intertidal zone wave detector.

Background

The beach shoal is an important area for oil and gas exploration and is a well-recognized complex surface for seismic prospecting workers, and the problem of acceptance in this area has been a concern. The intertidal zone of the beach shallow sea is characterized by one piece of water when tide rises and one piece of mud when tide falls. In the seismic exploration process, the geophone is in water during tide rising, the geophone is in mud during tide falling, and the water depth during tide rising cannot meet the requirements of the hydrophone, so that a land geophone string is generally used in the exploration of the area under normal conditions, the conventional geophone string is difficult to arrange in the use process, the geophone is greatly influenced by the impact of the tidal water, the coupling effect is poor, the geophone receives the impact of the tidal water in the process of tide rising and tide falling, the embedded geophone can be flushed out of the ground by the tidal water or cannot be perpendicular to the ground, the seismic data receiving effect is greatly influenced, and the geophone is generally subjected to tide rising and tide falling. The geophones need to be checked and laid once again, so that the construction efficiency and the seismic data receiving effect are greatly influenced.

And the conventional geophone string is arranged in a concentrated manner during intertidal zone construction, and the earth surface of the transition zone is soft, so that the attenuation of seismic waves is large, and the seismic data receiving effect is greatly influenced.

Application No.: 201710938710.2 relates to a detector movement, it solves the technical problem that the polarity of two connecting terminals of the existing detector movement is easy to connect reversely, it includes top cover, outer casing, magnetic steel, upper yoke, lower yoke, coil skeleton, upper spring leaf and lower spring leaf, the top cover is connected with outer casing, the upper yoke is connected with magnetic steel, the lower yoke is connected with magnetic steel, the coil skeleton is located in outer casing, the coil skeleton is connected with coil, the coil skeleton is covered on magnetic steel, the upper spring leaf is connected with upper yoke, the lower spring leaf is connected with lower yoke; the upper end part of the coil framework is connected with the upper spring piece, and the lower end part of the coil framework is connected with the lower spring piece; one lead head of the coil is connected with the upper spring piece, and the other lead head of the coil is connected with the lower spring piece; the detector core also comprises a middle connecting terminal and an edge connecting terminal, the middle connecting terminal is connected with the upper yoke iron and penetrates through the top cover, and the edge connecting terminal is connected with the upper spring piece and penetrates through the top cover.

Application No.: 201710378917.9 relates to a detector used in ocean OBC exploration, in particular to a double-detection detector. Because the traditional double-detection detector generates an output signal with a 90-degree phase difference due to the fact that the receiving principles of the land detector and the water detection detector are inconsistent, time consumption of later-period data is huge. The invention provides a double-detection detector aiming at the problems, which comprises a water detection detector, an MEMS detector, a battery and a cable sealing plug which are arranged in sequence; a first plug is arranged at one end of the MEMS detector close to the water detector, and a second plug is arranged at the other end of the MEMS detector; the MEMS detector comprises a conducting strip bracket, a universal frame hull and a triaxial MEMS core body wrapped by insulating materials; the conducting strip bracket is positioned between the universal frame and the first plug; the universal frame hull is connected to the universal frame through bearings at two ends; the triaxial MEMS core sets up in gimbal hull middle part.

Application No.: 201320578057.0 relates to a dual wave detector with dual universal structure, which comprises a casing, a dual universal structure arranged in the casing, a wave detector core, a matcher and an output line; the detector core is fixedly arranged in the double-universal structure and is connected with the output line through the matcher; the dual-wave detector with the dual-universal structure further comprises a hydrophone assembly arranged at the end of the shell and connected with the output line. The utility model provides a sensitivity is high and convenient to use's two ripples wares of examining of two universal structures.

Application No.: 201220562354.1 relates to a geophone with universal structure, which comprises a casing, a movement orientation sensor and a signal transmission device; the machine core is connected with the signal transmission device through the machine core azimuth sensor; the movement and the movement azimuth sensor are arranged inside the shell; the shell is provided with a through hole; the signal transmission device extends from the inside of the shell to the outside of the shell along the through hole on the shell. The utility model provides an universal structure geophone that the reliability is high, be suitable for different environment and measurement accuracy is high.

Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, to the utility model discloses more technical characteristics and the technical problem and the beneficial effect that will solve all do not have the technological inspiration in the above technical document that discloses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a four arriss types high sensitivity intertidal zone wave detector reduces the impact of tide water to the wave detector through external structure design, and the appearance is the cuboid structure, can guarantee the rectangular face and the steady coupling in interface of cuboid, to the wave detector mounting structure design inside the wave detector, adopts universal ship structure, guarantees that the wave detector is in the position on perpendicular ground all the time. The detector is internally connected in series by 3 high-sensitivity detector cores, so that the sensitivity of the detector is improved, and the reliability and consistency are higher due to the small number of the detectors.

In order to achieve the purpose, the utility model discloses a following technical scheme, a four arriss type high sensitivity intertidal zone wave detector, including barrel, high sensitivity wave detector core passes through universal ship to be fixed inside the barrel, the barrel is the cuboid structure, and the guiding gutter is seted up to the barrel surface.

The detector core with high sensitivity is fixed on a universal ship, bearings, namely an upper bearing and a lower bearing, are arranged at two ends of the universal ship, wherein the lower bearing is fixed in the middle of the bottom of the inner cavity of the cylinder body, the upper bearing is fixed in a central hole of the elastic sheet fixing plate, and the outer wall of the elastic sheet fixing plate is in interference fit with the inner cavity of the cylinder body.

The number of the high-sensitivity detector cores is 3, all the high-sensitivity detector cores are sequentially connected in series, the uppermost high-sensitivity detector core is connected with a contact elastic sheet, and the contact elastic sheet is fixed in a central hole of an elastic sheet fixing plate.

The upper end opening of the barrel is connected with the upper cover through a bolt, an upper cover middle hole is formed in the center of the upper cover, a sealing plug is installed in the upper cover middle hole, a sealing plug outer sleeve is sleeved outside the sealing plug, and the sealing plug outer sleeve is connected with the upper cover through a screw.

The cable penetrates through the inside of the sealing plug and the inside of the outer sleeve of the sealing plug, and the lower end of the cable is connected with the contact elastic sheet.

And the upper end of the cable is connected with an output plug.

The joint of the upper cover and the barrel is provided with a sealing ring, and the joint of the sealing plug outer sleeve and the upper cover is provided with a sealing ring.

Compared with the prior art, the utility model following beneficial effect has:

1. the shape of the detector is designed to be cuboid, so that the rectangular surface of the detector is ensured to be in contact with the ground, and the detector is ensured to be well coupled with the seabed;

2. a quadrangular diversion trench structure is added on the appearance design, so that the impact of water flow on the detector is reduced;

3. 3 high-sensitivity machine cores are connected in series inside the device, so that the sensitivity is increased;

4. the detector fixing device adopts a universal joint structure, so that the detector core is ensured to be always vertical to the seabed or the ground.

Drawings

Fig. 1 is a schematic structural diagram of a square-edge type high-sensitivity intertidal zone detector of the present invention.

In the figure: the detector comprises a detector core 1, a high-sensitivity detector core 2, a universal ship 3, a cylinder inner cavity 4, a bearing 5, a spring plate fixing plate 6, a contact spring plate 7, an upper cover 8, a cylinder body 9, a sealing plug 10, a sealing plug outer sleeve 10, a cable 11 and an output plug 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution:

the utility model provides a four arriss type high sensitivity intertidal zone wave detector, includes barrel 8, high sensitivity wave detector core 1, high sensitivity wave detector core passes through universal ship 2 to be fixed inside the barrel, the barrel is the cuboid structure, and the guiding gutter is seted up to the barrel surface.

The high-sensitivity detector core 1 is fixed on a universal ship 2, bearings 4 are respectively arranged at two ends of the universal ship and respectively comprise an upper bearing and a lower bearing, the lower bearing is fixed in the middle of the bottom of the inner cavity of the cylinder, the upper bearing is fixed in a central hole of an elastic sheet fixing plate 5, and the outer wall of the elastic sheet fixing plate is in interference fit in the inner cavity of the cylinder.

The number of the high-sensitivity detector cores is 3, all the high-sensitivity detector cores are sequentially connected in series, the uppermost high-sensitivity detector core is connected with the contact elastic sheet 6, and the contact elastic sheet 6 is fixed in the center hole of the elastic sheet fixing plate 5.

The upper end opening of the barrel is connected with an upper cover 7 through a bolt, an upper cover middle hole is formed in the center of the upper cover, a sealing plug 9 is installed in the upper cover middle hole, a sealing plug outer sleeve 10 is sleeved outside the sealing plug, and the sealing plug outer sleeve is connected with the upper cover through a screw.

The cable 11 penetrates through the inside of the sealing plug and the inside of the outer sleeve of the sealing plug, and the lower end of the cable is connected with the contact elastic sheet 6.

The upper end of the cable is connected with an output plug 12.

The high-sensitivity detector core 1 is fixed on a universal ship 2. The high-sensitivity detector core is a known technology in the prior art and can be directly purchased and used. In order to solve the problem of directivity of a tidal flat detector when a seabed is laid, namely, a high-sensitivity detector core is required to be ensured to be vertical to the ground all the time, two bearings 4 are arranged at two ends of a universal ship 2, and the bearings 4 are fixed in an inner cavity 3 of a cylinder body; the output of the high-sensitivity detector core 1 is connected with one end of the contact elastic sheet 6. The contact spring 6 is fixed on the spring fixing plate 5. The other end of the contact spring 6 is connected with the cable 11. In the field of geophones, a gimbal structure such as the gimbal boat 2 is known in the art, and it is possible to directly use such a structure, for example, the structure of application No.: 201710378917.9 relates to a gimbaled vessel arrangement in a geophone used in marine OBC exploration.

The inner cavity 3 of the cylinder body is fixed on the cylinder body 8 by an upper cover 7. The cylinder body 8 is designed to be a cuboid, and a cuboid surface outside the cuboid is in contact with the seabed, so that the detector is well coupled with the seabed; the barrel 8 is additionally provided with a diversion trench structure, so that impact of water flow on the detector is reduced, a drawing is not shown, but the through diversion trench is clearly arranged on the outer wall of the barrel.

The cable 11 passes through a circular hole reserved in the upper cover 7. The sealing system of the round hole is composed of a sealing plug 9 and a sealing plug outer sleeve 10. The sealing plug 9 and the sealing plug jacket 10 are made of polyurethane and have good waterproof sealing performance.

The cable 11 is connected to an output plug 12. The output plug 12 is a standard two-core waterproof connector commonly used for geophysical prospecting and can be directly connected with a collecting instrument.

The connection method referred to in the above description is not specifically described, and a connection fixing method of a known technique such as bolting, welding, or the like may be employed.

The utility model relates to a geophone of shallow sea seismic exploration seismic acquisition usefulness reduces the impact of tidal water to the geophone through external structure design, and the appearance is the cuboid structure, can guarantee the long square of cuboid and the steady coupling in interface, to the design of the inside geophone mounting structure of geophone, adopts universal ship structure, guarantees that the geophone is in the position on perpendicular ground all the time. The detector is internally connected in series by 3 high-sensitivity detector cores, so that the sensitivity of the detector is improved, and the reliability and consistency are higher due to the small number of the detectors.

The utility model discloses a design of appearance and inner structure design make the water current impact interference resistance ability greatly increased of wave detector. The detector can not roll along with the impact of water flow to generate noise in the rising and falling tide process, and the anti-moisture interference capability of the detector is improved. The intertidal zone earth surface has larger attenuation to seismic waves, and in order to achieve the receiving effect of the geophone string, 3 high-sensitivity geophone cores are connected in series to improve the sensitivity of the geophone string, so that the geophone is always in the vertical direction. Interference is reduced, coupling of the detector is enhanced, and the detector is always kept in a direction vertical to the ground.

In the description of the present invention, it should be understood that the orientation indication or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description of the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a four arriss type high sensitivity intertidal zone wave detector, includes barrel, high sensitivity wave detector core passes through universal ship to be fixed inside the barrel, its characterized in that, the barrel is the cuboid structure, and the guiding gutter is seted up to the barrel surface.

2. The quadrangular high-sensitivity intertidal zone detector according to claim 1, wherein the high-sensitivity detector core is fixed on a universal ship, bearings, namely an upper bearing and a lower bearing, are arranged at two ends of the universal ship, the lower bearing is fixed in the middle of the bottom of the inner cavity of the cylinder body, the upper bearing is fixed in a central hole of the elastic sheet fixing plate, and the outer wall of the elastic sheet fixing plate is in interference fit in the inner cavity of the cylinder body.

3. The quadrangular high-sensitivity intertidal zone detector according to claim 2, wherein the number of the high-sensitivity detector cores is 3, all the high-sensitivity detector cores are sequentially connected in series, the uppermost high-sensitivity detector core is connected with a contact spring plate, and the contact spring plate is fixed in a central hole of a spring plate fixing plate.

4. The quadrangular high-sensitivity intertidal zone detector according to claim 1, 2 or 3, wherein an upper end opening of the barrel is connected with an upper cover through a bolt, an upper cover middle hole is formed in the center of the upper cover, a sealing plug is installed in the upper cover middle hole, a sealing plug outer sleeve is sleeved outside the sealing plug, and the sealing plug outer sleeve is connected with the upper cover through a screw.

5. The quadrangular high-sensitivity intertidal zone detector according to claim 4, wherein cables penetrate through the inside of the sealing plug and the inside of the outer sleeve of the sealing plug, and the lower ends of the cables are connected with the contact spring pieces.

6. The square high-sensitivity intertidal zone detector of claim 5, wherein the cable is connected to an output plug at its upper end.

7. The square high-sensitivity intertidal zone detector as claimed in claim 6, wherein a sealing ring is arranged at the joint of the upper cover and the cylinder body, and a sealing ring is arranged at the joint of the sealing plug outer sleeve and the upper cover.