CN222253882U

CN222253882U - A drilling fluid desanding device for oil drilling engineering

Info

Publication number: CN222253882U
Application number: CN202421309691.9U
Authority: CN
Inventors: 陈县伟; 尚梦奇; 邢建
Original assignee: Shaanxi Haishan Energy Development Co ltd
Current assignee: Shaanxi Haishan Energy Development Co ltd
Priority date: 2024-06-11
Filing date: 2024-06-11
Publication date: 2024-12-27
Anticipated expiration: 2034-06-11

Abstract

The utility model discloses a drilling fluid desanding device for oil drilling engineering, specifically relates to the technical field of separation desanders, including a base, a slide rail is fixedly connected to the upper end of the base, a vibration component is slidably connected to the upper end of the slide rail, a support is provided on the front side of the base, a motor is fixedly connected to the upper end of the support, a connecting block is fixedly connected to the upper end of the vibration component, a box body with an internal hollow and an upper end opening is fixedly connected to the upper end of the connecting block, a filter component is rotatably connected to the inner cavity of the box body, and sliding components are slidably connected through both sides of the box body. The drilling fluid desanding device for oil drilling engineering described in the utility model can desand the drilling fluid multiple times by setting multiple layers of conveyor belts with filter holes of different apertures to improve the fineness of desanding, setting a vibration component can make the box body shake horizontally to improve the desanding efficiency, and setting a sliding component can scrape off the sand particles deposited on the conveyor belt to avoid clogging of the filter holes and affecting the desanding effect.

Description

Petroleum drilling engineering drilling fluid sand removing device

Technical Field

The utility model relates to the technical field of separation sand removers, in particular to a drilling fluid sand removal device for petroleum drilling engineering.

Background

The petroleum drilling engineering is an important link of petroleum exploration and development, and the main purpose of the petroleum drilling engineering is to drill multiple sets of stratum along a designed track from the ground by using specific petroleum drilling equipment until reaching a preset hydrocarbon reservoir or a possible hydrocarbon reservoir to form a stable hydrocarbon well for oil gas extraction or injection of required fluid;

The drilling fluid is a general term of various circulating fluids with various functions meeting the drilling work requirement in the drilling process, plays various roles of lubricating, cooling a drill bit, carrying rock debris and the like in the drilling process, can obviously reduce the performance of the drilling fluid if the drilling fluid contains a large amount of sand grains or other solid particles, such as reducing the lubricating effect, increasing the pumping resistance and affecting the sand carrying capacity, and meanwhile, the sand grains and other solid particles in the drilling fluid are directly discharged into the environment without being treated, so that the environment is polluted, and the sand removal treatment is needed to be carried out on the drilling fluid.

Chinese patent document CN208473743U discloses a drilling fluid desilting sand removing device, including first box, first box upper portion inside cavity, first box top surface fixed mounting sand remover and desilting ware, sand remover lower part and desilting ware lower part all are located first box inside, the through-hole is seted up on first box upper portion right side, fixed mounting funnel in the first box, the funnel is located the top of through-hole, the play sand mouth of desilting ware, the play mud mouth of desilting ware all is located the top of funnel, funnel bottom left side fixed mounting baffle, both sides all with first box inner wall fixed connection around the baffle, equipment structural design in the above-mentioned document is reasonable, convenient operation, the staff can change the screen frame through one set of device, do not need to dismantle, save operating time, and change the in-process need not close the machine, the shale shaker can normally work, thereby the processing progress of whole solid accuse system has been improved, drilling efficiency is improved.

The equipment in the above-mentioned document can remove mud and sand to the drilling fluid, but only remove sand once to the drilling fluid, still have the residual of sand grain and other solid particles in the drilling fluid, and the degritting is not thorough enough, influences the follow-up use of drilling fluid.

Disclosure of utility model

The utility model mainly aims to provide a sand removing device for drilling fluid in petroleum drilling engineering, which can effectively solve the problem of incomplete sand removal of the drilling fluid.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides an oil drilling engineering drilling fluid sand removal device, includes the base, base upper end fixedly connected with slide rail, slide rail upper end sliding connection has vibration subassembly, the base front side is equipped with support one, support one upper end fixedly connected with motor one, vibration subassembly upper end fixedly connected with connecting block, inside cavity upper end open-ended box of connecting block upper end fixedly connected with, the box inner chamber rotates and is connected with filter equipment, filter equipment rear end fixedly connected with drive assembly, two baffles of box inner wall fixedly connected with, box both sides through sliding connection has sliding component, the liquid outlet has been seted up to the box downside, the discharge gate has been seted up to the box lateral wall.

Preferably, the vibration assembly comprises a sliding block which is slidably connected to the upper end of the sliding rail, if the upper end of the sliding block is fixedly connected with a frame body, the frame body is slidably connected with a sliding rod which sequentially penetrates through the base and the frame body from left to right, a spring is sleeved on the outer surface of the sliding rod, one end of the spring is fixedly connected to the inner wall of the base, the other end of the spring is fixedly connected to the outer wall of the opposite side of the frame body, a fixed block is fixedly connected to the middle part of the inner cavity of the frame body, a sliding groove is formed in the middle of the fixed block, rotating shafts are respectively arranged on the left side and the right side of the sliding groove, eccentric wheels are respectively fixedly connected to the front side and the rear side of the rotating shaft, belt pulleys I are respectively fixedly connected to the front end of the rotating shaft, a belt I is respectively connected to the outer surfaces of the two belt pulleys in a transmission mode, and a support II is respectively fixedly connected to the front side and the lower end of the rotating shaft.

Preferably, the filter assembly comprises four transmission rollers which are distributed in a rectangular array and are rotationally connected with the inner wall of the box body, the rear ends of the four transmission rollers penetrate through the rear side wall of the box body, the two transmission rollers located on the upper side are connected with a first transmission belt in a common transmission mode, the two transmission rollers located on the lower side are connected with a second transmission belt in a common transmission mode, the first transmission belt is provided with a plurality of first filtering holes which are distributed in a rectangular array, and the second transmission belt is provided with a plurality of second filtering holes which are distributed in a rectangular array.

Preferably, the transmission assembly comprises a third support fixedly connected with the rear end of the box body, a second motor is fixedly connected with the upper end of the third support, the output end of the second motor is fixedly connected with the rear end of the transmission roller positioned on the right lower side, the rear sides of the four transmission rollers are fixedly connected with a second belt pulley, two belt pulleys positioned on the same horizontal plane are jointly connected with a second belt in a transmission manner, and the belt pulley fixedly connected with the output end of the second motor is jointly connected with the second belt pulley positioned on the same vertical plane.

Preferably, two the baffle is located respectively a left side and a right side of the conveyer belt, two the hole has all been seted up to the baffle, four the hole lower extreme respectively with conveyer belt one with two lower extreme parallel and level of conveyer belt, two the baffle with the equal fixedly connected with flitch of opposite side of box inner wall, four flitch one end is located four the hole downside, the other end is located the discharge gate downside.

Preferably, the sliding assembly comprises two sliding frames which are in sliding connection with the box body, the horizontal parts of the two sliding frames are both in sliding connection with scraping plates, and the lower ends of the two scraping plates are respectively connected with the upper end of the first conveying belt and the upper end of the second conveying belt.

Preferably, the diameter of the first filter hole is larger than the diameter of the second filter hole.

Preferably, the left end and the right end of the box body are provided with discharge holes which are opposite to the four holes, and the heights of the four discharge holes in the vertical direction are lower than the four holes opposite to the four discharge holes.

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

1. According to the utility model, through arranging the transmission belt and the transmission assembly, the drilling fluid can be subjected to solid-liquid separation immediately after entering the box body, solid sand grains are transported out by the transmission belt, the liquid drilling fluid falls into the box body, and meanwhile, multiple times of sand removal can be performed on the drilling fluid by multiple layers of transmission belts with different pore-diameter filter holes, so that the sand removal fineness is improved.

2. According to the utility model, the box body can horizontally shake through the arrangement of the vibrating component, the sand removal efficiency of drilling fluid is improved, the sand gravel is rapidly separated, the sliding component is arranged to scrape the sand gravel deposited on the transmission belt, the blocking of the filtering holes is avoided, and the sand removal effect is influenced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a vibration assembly according to the present utility model;

FIG. 4 is a schematic view of the filter assembly and transmission assembly of the present utility model;

Fig. 5 is a schematic view of a sliding assembly according to the present utility model.

1, A base, 2, a sliding rail, 3, a vibration component, 301, a frame body, 302, a sliding block, 303, a sliding rod, 304, a spring, 305, a belt wheel, 306, a belt, 307, an eccentric wheel, 308, a rotating shaft, 309, a support saddle, 310, a fixed block, 311, a sliding groove, 4, a support saddle, 5, a motor, 6, a connecting block, 7, a box, 8, a filter component, 801, a transmission belt, 802, a transmission belt, 803, a filter hole, 804, a filter hole, 805, a transmission roller, 9, a transmission component, 901, a belt wheel, 902, a belt II, 903, a support saddle, 904, a motor, 10, a partition plate, 1001, a hole, 1002, a discharge plate, 11, a sliding component, 1101, a sliding frame, 1102, a scraper, 12, a liquid outlet, 13 and a discharge hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 and 2, a sand removing device for petroleum drilling engineering drilling fluid comprises a base 1, wherein the upper end of the base 1 is fixedly connected with a sliding rail 2, the upper end of the sliding rail 2 is slidably connected with a vibrating assembly 3, the front side of the base 1 is provided with a support I4, the upper end of the support I4 is fixedly connected with a motor I5, the upper end of the vibrating assembly 3 is fixedly connected with a connecting block 6, the upper end of the connecting block 6 is fixedly connected with a box body 7 with an opening at the upper end of the inner hollow part, the inner cavity of the box body 7 is rotatably connected with a filtering assembly 8, the rear end of the filtering assembly 8 is fixedly connected with a transmission assembly 9, the inner wall of the box body 7 is fixedly connected with two partition plates 10, two sides of the box body 7 are in penetrating and sliding connection with a sliding assembly 11, the lower side of the box body 7 is provided with a liquid outlet 12, and the side wall of the box body 7 is provided with a discharging hole 13;

In actual use, the tank body 7 is vibrated by the vibration component 3, the filtering component 8 in the tank body 7 is driven to vibrate, so that solid-liquid separation is carried out on the drilling fluid containing sand, solid particles jump and roll on the surface of the filtering component 8 by high-frequency vibration, and liquid flows out by the filtering component 8, so that the solid-liquid separation is realized.

As shown in fig. 3, the vibration assembly 3 includes a sliding block 302 slidably connected to an upper end of the sliding rail 2, if the upper end of the sliding block 302 is fixedly connected to the frame 301, when the vibration assembly 3 operates, the sliding block 302 slidably connected to the sliding rail 2 can make the frame 301 shake only along the sliding rail 2 in a horizontal direction, and the shake in the horizontal direction mainly provides kinetic energy of lateral movement of the material, which is helpful for uniformly distributing the material on the screen and promoting the sliding of the material on the screen surface, which is helpful for the smaller-particle material to pass through the screen, while the larger-particle material stays on the screen surface, so that the frame 301 is prevented from shaking in other directions during vibration, and the uneven distribution of the material on the screen affects the screening efficiency;

The frame 301 and the base 1 are connected with a slide bar 303 in a sliding manner, the slide bar 303 sequentially penetrates through the base 1 and the frame 301 from left to right, a spring 304 is sleeved on the outer surface of the slide bar 303, one end of the spring 304 is fixedly connected to the inner wall of the base 1, the other end of the spring 304 is fixedly connected to the outer wall of the opposite side of the frame 301 and the base 1, a fixed block 310 is fixedly connected to the middle part of an inner cavity of the frame 301, a sliding groove 311 is formed in the middle part of the fixed block 310, rotating shafts 308 are arranged on the left side and the right side of the sliding groove 311, eccentric wheels 307 are fixedly connected to the front side and the rear side of the two rotating shafts 308, belt pulleys 305 are fixedly connected to the front ends of the two rotating shafts 308, and a belt 306 is jointly connected to the outer surface of the two belt pulleys 305 in a transmission manner;

When the driving wheel of the eccentric wheel rotates on the central wheel, a certain eccentricity is generated because the axle center of the driving wheel is not arranged on the axle center of the central wheel, the driving wheel generates centrifugal force when rotating, the centrifugal force is related to the eccentricity and the rotating speed of the driving wheel, the larger the eccentric distance is, the higher the rotating speed is, the larger the generated centrifugal force is, when the centrifugal force generated by the eccentric wheel acts on equipment or a mechanism, the equipment or the mechanism can vibrate, the vibration can be composite vibration in the vertical and horizontal directions, the materials on the screen surface can be uniformly dispersed, the shaking of the screen box can be avoided, and the centrifugal force causes the screen box to vibrate greatly in the vertical direction, so that the materials on the screen surface jump rapidly, and the large-particle materials are effectively removed;

The lower ends of the front side and the rear side of the two rotating shafts 308 are fixedly connected with a second support 309, and the second support 309 plays a role in fixing the rotating shafts 308.

As shown in fig. 4, the filtering component 8 includes four transmission rollers 805 distributed in a rectangular array and rotatably connected to the inner wall of the box 7, the rear ends of the four transmission rollers 805 penetrate through the rear side wall of the box 7, two transmission rollers 805 at the upper side are connected with a first transmission belt 801 in a common transmission manner, two transmission rollers 805 at the lower side are connected with a second transmission belt 802 in a common transmission manner, the first transmission belt 801 is provided with a plurality of first filtering holes 803 distributed in a rectangular array, the second transmission belt 802 is provided with a plurality of second filtering holes 804 distributed in a rectangular array, and the diameter of the first filtering holes 803 is larger than that of the second filtering holes 804;

The transmission band of multilayer area filtration pore can carry out many times degritting to drilling fluid, and degritting efficiency is higher, when the drilling fluid that contains sand pours into on transmission band one 801, the sand grain of major diameter remains on transmission band one 801 surface, liquid and minor diameter sand grain then permeate filtration pore one 803 whereabouts to transmission band two 802 surfaces, filtration pore two 804 on the transmission band two 802 can carry out finer screening to solid and liquid, the sand grain can be transported to discharge gate 13 by transmission band two 802, drilling fluid then can permeate filtration pore two 804 whereabouts to the box 7 diapire, after accomplishing the degritting, operating personnel can collect drilling fluid through liquid outlet 12.

As shown in fig. 4, the transmission assembly 9 includes a third support 903 fixedly connected to the rear end of the box 7, a second motor 904 is fixedly connected to the upper end of the third support 903, the output end of the second motor 904 is fixedly connected to the rear end of the transmission roller 805 located on the lower right side, two belt pulleys 901 located on the same horizontal plane are jointly connected with a second belt pulley 902 in a transmission manner, the second belt pulley 901 fixedly connected to the output end of the second motor 904 is jointly connected with the second belt pulley 902 in a transmission manner with the second belt pulley 901 located on the same vertical plane, and the transmission assembly 9 is used for controlling the operation of the first belt 801 and the second belt 802.

As shown in fig. 2, two baffles 10 are respectively arranged on the left side and the right side of a first transmission belt 801, holes 1001 are respectively formed in the two baffles 10, the lower ends of the four holes 1001 are respectively flush with the lower ends of the first transmission belt 801 and the second transmission belt 802, discharge plates 1002 are fixedly connected to the opposite sides of the inner walls of the two baffles 10 and the box 7, one ends of the four discharge plates 1002 are arranged on the lower sides of the four holes 1001, the other ends of the four discharge plates are arranged on the lower sides of the discharge holes 13, the left end and the right end of the box 7 are respectively provided with the discharge holes 13 opposite to the four holes 1001, the heights of the four discharge holes 13 in the vertical direction are respectively lower than the four holes 1001 opposite to the four holes 1001, sand screened out by the first transmission belt 801 and the second transmission belt 802 are transported to the holes 1001, the sand can be slid to the discharge holes 13 through the discharge plates 1002, and then the sand can be collected by operators for further processing.

As shown in fig. 5, the sliding assembly 11 includes two sliding frames 1101 slidably connected to the box 7, the horizontal portions of the two sliding frames 1101 are slidably connected to a scraper 1102, the lower ends of the two scraper 1102 are connected to the upper ends of the first conveying belt 801 and the second conveying belt 802, respectively, and the scraper 1102 can scrape the particles deposited on the first conveying belt 801 and the second conveying belt 802, so as to avoid blocking filter holes and affect the sand removal efficiency.

It should be specifically noted that, the specific installation mode of the first motor 5, the second motor 904, the connection mode of the circuit and the control method adopted in the present utility model are all conventional designs, and the present utility model is not described in detail.

The utility model has the working principle that firstly, the motor I5 is started, the motor I5 drives the vibration component 3 to vibrate, the box 7 starts to shake along the horizontal direction on the sliding rail 2 under the action of the vibration component 3, then the motor II 904 is started, the first transmission belt 801 and the second transmission belt 802 start to drive, drilling fluid to be desanding is poured into the box 7 from the upper side of the first transmission belt 801, after the drilling fluid with sand falls onto the first transmission belt 801, the drilling fluid falls down through the first filtering holes 803, the sand stays on the first transmission belt 801 and is conveyed onto the discharging plate 1002, then is discharged through the discharging holes 13, part of the sand with small diameter falls onto the second transmission belt 802 through the first filtering holes 803, then is conveyed onto the discharging plate 1002 by the second transmission belt 802, is discharged through the discharging holes 13, the drilling fluid falls into the bottom of the box 7 through the second filtering holes 804, under the action of the vibration component 3, the sliding frame 1101 is also displaced along the horizontal direction, the scraping plates 1102 are driven to remove the sand deposited on the first transmission belt 801 and the second transmission belt 802, the sand filtering holes are blocked, then the sand is removed by the drilling fluid can be discharged through the discharging holes 13, and the sand is collected after the operator has completed through the discharging holes 13.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a petroleum drilling engineering drilling fluid sand removal device, includes base (1), its characterized in that base (1) upper end fixedly connected with slide rail (2), slide rail (2) upper end fixedly connected with vibrating assembly (3), base (1) front side is equipped with support one (4), support one (4) upper end fixedly connected with motor one (5), vibrating assembly (3) upper end fixedly connected with connecting block (6), connecting block (6) upper end fixedly connected with inside cavity upper end open-ended box (7), box (7) inner chamber rotation is connected with filter module (8), filter module (8) rear end fixedly connected with drive assembly (9), box (7) inner wall fixedly connected with two baffles (10), box (7) both sides through sliding connection have sliding assembly (11), liquid outlet (12) have been seted up to box (7) downside, discharge gate (13) have been seted up to box (7) lateral wall.

2. The petroleum drilling engineering drilling fluid sand removing device according to claim 1, wherein the vibration assembly (3) comprises a sliding block (302) which is slidably connected to the upper end of the sliding rail (2), if the upper end of the sliding block (302) is fixedly connected with a frame (301), the frame (301) and the base (1) are slidably connected with a sliding rod (303) together, the sliding rod (303) sequentially penetrates through the base (1) and the frame (301) from left to right, a spring (304) is sleeved on the outer surface of the sliding rod (303), one end of the spring (304) is fixedly connected to the inner wall of the base (1), the other end of the spring is fixedly connected to the outer wall of the opposite side of the frame (301) and the base (1), the middle part of an inner cavity of the frame (301) is fixedly connected with a fixed block (310), the middle part of the fixed block (310) is provided with a sliding groove (311), the left side and the right side of the sliding groove (311) are respectively provided with a rotating shaft (308), the front side and the rear side of the sliding rod (303) are respectively fixedly connected with an eccentric wheel (307), one end of the spring (304) is fixedly connected with the front end of the two belt pulleys (308), and the front end of the two belt pulleys (308) are fixedly connected with the front end of the two belt pulleys (308).

3. The petroleum drilling engineering drilling fluid sand removing device is characterized in that the filtering assembly (8) comprises four transmission rollers (805) which are distributed in a rectangular array and are rotatably connected to the inner wall of the box body (7), the rear ends of the four transmission rollers (805) penetrate through the rear side wall of the box body (7), the two transmission rollers (805) located on the upper side are connected with a first transmission belt (801) in a common transmission mode, the two transmission rollers (805) located on the lower side are connected with a second transmission belt (802) in a common transmission mode, the first transmission belt (801) is provided with a plurality of first filtering holes (803) distributed in a rectangular array, and the second transmission belt (802) is provided with a plurality of second filtering holes (804) distributed in a rectangular array.

4. The petroleum drilling engineering drilling fluid sand removing device according to claim 3, wherein the transmission assembly (9) comprises a third support (903) fixedly connected to the rear end of the box body (7), a second motor (904) is fixedly connected to the upper end of the third support (903), the output end of the second motor (904) is fixedly connected to the rear end of the transmission roller (805) located on the right lower side, two belt pulleys (901) are fixedly connected to the rear sides of the four transmission rollers (805), two belt pulleys (901) located on the same horizontal plane are jointly connected with a second belt (902) in a transmission mode, and the belt pulleys (901) fixedly connected with the output end of the second motor (904) are jointly connected with the second belt pulley (902) in a transmission mode on the same vertical plane.

5. The petroleum drilling engineering drilling fluid sand removing device according to claim 3, wherein two separation plates (10) are respectively arranged on the left side and the right side of the first transmission belt (801), the two separation plates (10) are respectively provided with holes (1001), the lower ends of the four holes (1001) are respectively flush with the lower ends of the first transmission belt (801) and the second transmission belt (802), the two separation plates (10) are fixedly connected with discharge plates (1002) on the opposite sides of the inner wall of the box body (7), one ends of the four discharge plates (1002) are arranged on the lower sides of the four holes (1001), and the other ends of the four discharge plates are arranged on the lower side of the discharge hole (13).

6. A sand removing device for petroleum drilling engineering drilling fluid according to claim 3, wherein the sliding component (11) comprises two sliding frames (1101) which are slidably connected with the box body (7), the horizontal parts of the two sliding frames (1101) are both slidably connected with scraping plates (1102), and the lower ends of the two scraping plates (1102) are connected with the upper end of the first transmission belt (801) and the upper end of the second transmission belt (802) respectively.

7. A petroleum drilling engineering drilling fluid sand removing device according to claim 3, wherein the diameter of the first filtering hole (803) is larger than that of the second filtering hole (804).

8. The petroleum drilling engineering drilling fluid sand removing device according to claim 5, wherein the left end and the right end of the box body (7) are respectively provided with a discharge hole (13) opposite to the four holes (1001), and the heights of the four discharge holes (13) in the vertical direction are lower than the four holes (1001) opposite to the four discharge holes.