Slurry anti-splashing protection device for well drilling

Abstract

The utility model discloses a mud anti-splashing protection device for well drilling, and relates to the technical field of protection devices. Comprising a supporting rod, a protection mechanism used for preventing drilling mud from splashing is arranged on the supporting rod, the protection mechanism comprises an adjusting assembly, the adjusting assembly comprises an adjusting rod arranged in the supporting rod and connected through a pushing assembly, a supporting body is fixed to one end of the adjusting rod, and universal wheels are arranged at the lower end of the supporting body; the supporting shell stretches out and draws back through the electric push rod, the splash-proof shells located on the two sides of drilling equipment stretch out and draw back, the two sets of splash-proof shells are close to the outer side of a drilling rod, protection is conducted when mud splashes, operators are prevented from being eroded by the mud, and operation safety is guaranteed; and then the splash-proof shell plays a certain role in damping and buffering on the supporting shell through a damping spring and a damping supporting rod, the influence of vibration and impact generated in the drilling process on the device is effectively reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective device, concretely is a mud splash protection device for drilling. BACKGROUND

[0002] Drilling device is the frontier technology and equipment of today's oil drilling, and has become the standard product of oil drilling industry, wherein in the drilling operation, when the single root or column is connected, the top drive back clamp and the drill rod are unfastened, mud often flows out or sprays out, causing platform or equipment pollution, and also causing certain safety hazards, therefore, the top drive equipment needs to be provided with the corresponding protective device to effectively avoid the flow or spray of the mud.

[0003] In the fields of oil, natural gas and geological exploration, drilling operation is an important means to obtain underground resources, however, in the drilling process, due to factors such as formation pressure and drilling fluid properties, mud splashing often occurs, which can easily cause harm to the operator, and when the mud splashes on the protective shell, it can cause impact on the shell, and long-term use can cause damage, and the fixed protective structure cannot flexibly adjust the protection range according to the size of the drilling equipment or the position of the drilling rod, resulting in a large mud splashing gap, limited protection effect, and the splashed mud is easy to adhere to the inner wall of the protective structure or scatter on the ground, which is difficult to collect and process, therefore, the utility model provides a mud splash protection device for drilling. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a mud splash protection device for drilling, which solves the problems of mud splashing in the drilling process due to factors such as formation pressure and drilling fluid properties, which can easily cause harm to the operator, and when the mud splashes on the protective shell, it can cause impact on the shell, and long-term use can cause damage, and the fixed protective structure cannot flexibly adjust the protection range according to the size of the drilling equipment or the position of the drilling rod, resulting in a large mud splashing gap, limited protection effect, and the splashed mud is easy to adhere to the inner wall of the protective structure or scatter on the ground, which is difficult to collect and process.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a mud splash protection device for drilling, comprising a support rod, a protective mechanism for drilling mud splash prevention is arranged on the support rod, and the protective mechanism comprises:

[0006] An adjusting assembly is arranged inside the support rod and connected with the adjusting rod through the pushing assembly, one end of the adjusting rod is fixed with a support body, and the lower end of the support body is provided with universal wheels;

[0007] The shock-absorbing assembly comprises a support shell connected to the upper end of a support body through a telescopic assembly, the inner wall of the support shell is provided with shock-absorbing springs, the ends of the shock-absorbing springs are fixed with splash-proof shells, the splash-proof shells are uniformly provided with drainage grooves inside, and the lower ends of the drainage grooves are fixed with annular conduits.

[0008] Preferably, the pushing assembly comprises a support rail fixed to the upper end of a support rod, a screw rod is vertically rotatably connected to the inside of the support rail, a sliding block is slidably connected to the inner wall of the support rail, the sliding block is threadedly connected with the screw rod, an adjusting rod is slidably connected to the inside of the support rod, a T-shaped connecting block is fixed to the upper end of the adjusting rod, a movable rod is rotatably connected to the upper end surface of the connecting block through a rotating shaft, and the two sides of the sliding block are rotatably connected with the other end of the movable rod through rotating shafts.

[0009] Preferably, the telescopic assembly comprises a fixed plate fixed to the upper end surface of a support body, a pair of electric push rods are fixed to the inner wall of the fixed plate, and the telescopic ends of the electric push rods are fixedly connected with the support shell.

[0010] Preferably, the shock-absorbing springs are uniformly distributed along the inner wall of the support shell, and the inner ring of the shock-absorbing spring is provided with a damping support rod, one end of the damping support rod is fixedly connected with the inner wall of the support shell.

[0011] Preferably, the upper end surface of the annular conduit is uniformly provided with drainage holes, and the drainage holes and the drainage grooves are in the same vertical direction.

[0012] Preferably, one end of the annular conduit is fixed with a connecting hose, one end of the upper end surface of the support body is fixed with a mud tank, and the other end of the connecting hose is connected with the mud tank.

[0013] Beneficial effects

[0014] The drilling mud splash-proof protection device has the following beneficial effects compared with the prior art:

[0015] The utility model discloses a support shell is set up through electric push rod and is retracted, and the anti - splash shell on the both sides of drilling equipment is retracted, and two groups of anti - splash shell are close to the outside of drilling rod, and the protection when the mud splashes is carried out, and the operator is prevented from the mud erosion, and the safe operation is ensured, then the anti - splash shell is through damping spring and damping support pole and carries out certain damping buffer effect on the support shell, and the influence of the vibration and impact produced in the drilling process to the device is effectively reduced, and the service life is prolonged, then the inner wall of anti - splash shell is evenly provided with the drainage groove, can the mud that splashes in the inner wall of anti - splash shell is drained to the inside of the drainage hole on annular pipe, then the one end of annular pipe is connected with the mud tank through the connecting hose, and the mud in annular pipe is sent to the inside of mud tank through the effect of pump, not only convenient for the centralized recovery of mud, but also provide the convenience for subsequent mud processing, and keep the neat of work area.

[0016] Second, the utility model discloses through the rotation to screw rod, realizes the lifting adjustment of slider in the inside of support slide rail, then the movable rod of both sides of slider is connected to the adjusting lever of connecting block through rotating shaft, realizes the adjusting lever of connecting block lower end fixed along the inside of support rod and opens and shuts, thereby to two groups of support main part open and shut on the ground through universal wheel, according to the size of drilling equipment, the anti - splash shell opens and shuts, ensures that the device can provide effective mud splash -proof protection under various drilling scenes, and through the setting of universal wheel, it is convenient to move the equipment, and the operation is simple and convenient. DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the anti - splash shell connecting structure schematic diagram of the utility model;

[0019] Figure 3 It is the annular pipe and mud tank connecting structure schematic diagram of the utility model;

[0020] Figure 4 It is the adjusting lever drive connecting structure schematic diagram of the utility model.

[0021] In the drawing: 1, support rod;2, adjusting lever;201, support main body;202, universal wheel;3, fixed plate;301, electric push rod;302, support shell;303, damping spring;304, damping support pole;305, anti - splash shell;6, drainage groove;601, annular pipe;602, drainage hole;603, connecting hose;604, mud tank;7, support slide rail;701, slider;702, screw rod;703, movable rod;704, connecting block. SPECIFIC IMPLEMENTATION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a mud anti-splashing protection device for drilling, including support rod 1, support rod 1 is provided with the protection mechanism for drilling mud anti-splashing, and the protection mechanism includes:

[0024] Adjusting assembly, including support rod 1 inside being provided with adjusting rod 2 connected by push assembly, one end of adjusting rod 2 is fixed with support main body 201, the lower end of support main body 201 is provided with universal wheel 202;

[0025] Damping assembly, including support main body 201 upper end being provided with support shell 302 connected by telescopic assembly, the inner wall of support shell 302 is provided with damping spring 303, the end of damping spring 303 is fixed with anti-splashing shell 305, the inside of anti-splashing shell 305 is evenly provided with drainage groove 6, the lower end of drainage groove 6 is fixed with annular conduit 601.

[0026] In preferred embodiments, push assembly includes support rail 7 fixed on the upper end of support rod 1, screw 702 is vertically connected in the inside of support rail 7, sliding block 701 is slidingly connected to the inner wall of support rail 7, sliding block 701 is threadedly connected with screw 702, adjusting rod 2 is slidingly connected in the inside of support rod 1, the upper end of adjusting rod 2 is fixed with connecting block 704 in T shape, the upper end surface of connecting block 704 is provided with movable rod 703 connected by rotating shaft, the other end of movable rod 703 is rotatably connected with rotating shaft on the both sides of sliding block 701, by rotating screw 702, sliding block 701 is adjusted to rise and fall in the inside of support rail 7, then movable rod 703 connected by rotating shaft on the both sides of sliding block 701 pushes adjusting rod 2 fixed at the lower end of connecting block 704 to open and close along the inside of support rod 1, so that two groups of support main body 201 are opened and closed on the ground through universal wheel 202, anti-splashing shell 305 is opened and closed according to the size of drilling equipment, to ensure that the device can provide effective mud anti-splashing protection in various drilling scenes, and the setting of universal wheel 202 facilitates the movement of the equipment, and the operation is simple and convenient.

[0027] In the preferred implementation, the telescopic assembly includes a fixed plate 3 fixed on the upper end surface of the support body 201, a pair of electric push rods 301 fixed on the inner wall of the fixed plate 3, a support shell 302 fixedly connected to the telescopic end of the electric push rod 301, shock absorber springs 303 evenly distributed along the inner wall of the support shell 302, and damping struts 304 provided on the inner ring of the shock absorber springs 303, one end of the damping struts 304 being fixedly connected to the inner wall of the support shell 302. The support shell 302 is set to be telescopic by the electric push rod 301, and the splash-proof shell 305 on both sides of the drilling equipment is telescopic. The two groups of splash-proof shells 305 are close to the outside of the drilling rod to protect against mud splashing during mud splashing, so that the operator is not eroded by the mud, ensuring the safety of the operation. Then the splash-proof shell 305 is subjected to a certain damping and buffering effect on the support shell 302 through the shock absorber springs 303 and the damping struts 304, effectively reducing the impact of the vibration and impact generated during drilling on the device, and prolonging the service life.

[0028] In the preferred implementation, the upper end surface of the annular conduit 601 is uniformly provided with drainage holes 602, the drainage holes 602 are in the same vertical direction as the drainage grooves 6, one end of the annular conduit 601 is fixedly provided with a connecting hose 603, and one end of the upper end surface of the support body 201 is fixedly provided with a mud tank 604. The other end of the connecting hose 603 penetrates through the mud tank 604, and the inner wall of the splash-proof shell 305 is uniformly provided with drainage grooves 6. The mud splashed on the inner wall of the splash-proof shell 305 can be drained into the drainage holes 602 on the annular conduit 601. Then one end of the annular conduit 601 is connected to the mud tank 604 through the connecting hose 603, and the mud in the annular conduit 601 is sent into the mud tank 604 through the action of the pump. Not only is the mud easy to collect and recycle, but also the subsequent mud treatment is facilitated, and the working area is kept clean.

[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0030] During operation, the universal wheels 202 are provided to facilitate the movement of the equipment. Then the screw rod 702 is rotated to realize the lifting adjustment of the sliding block 701 in the support slide rail 7. Then the movable rods 703 connected to the sliding block 701 on both sides push the connecting block 704 to realize the opening and closing of the adjusting rod 2 fixed to the lower end of the connecting block 704 along the inside of the support rod 1. Thus, the two groups of support bodies 201 are opened and closed on the ground through the universal wheels 202. The splash-proof shell 305 is opened and closed according to the size of the drilling equipment to ensure that the device can provide effective protection against mud splashing in various drilling scenarios.

[0031] Then, the support shell 302 is telescoped by the electric push rod 301, the splash-proof shell 305 on both sides of the drilling equipment is telescoped, the two groups of splash-proof shells 305 are close to the outside of the drilling rod, the protection during mud splashing is carried out, the operator is prevented from being eroded by mud, the operation safety is ensured, then the splash-proof shell 305 is buffered on the support shell 302 through the damping spring 303 and the damping support rod 304, the influence of the vibration and impact generated during drilling on the device is effectively reduced, the stability of the device is enhanced, and the service life is prolonged, then the drainage groove 6 is uniformly arranged on the inner wall of the splash-proof shell 305, the mud splashed on the inner wall of the splash-proof shell 305 can be drained into the drainage hole 602 on the annular pipe 601, then one end of the annular pipe 601 is connected with the mud tank 604 through the connecting hose 603, the mud in the annular pipe 601 is sent into the mud tank 604 through the action of the pump, and the centralized recovery of the mud is facilitated.

[0032] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mud splash guard for use in drilling wells, comprising a support rod (1), characterised in that: The support rod (1) is provided with a protection mechanism for preventing well drilling mud from splashing, and the protection mechanism comprises: An adjusting assembly comprises an adjusting rod (2) provided inside the support rod (1) and connected through a pushing assembly, one end of the adjusting rod (2) is fixed with a support body (201), and the lower end of the support body (201) is provided with a universal wheel (202); A damping assembly comprises a support shell (302) provided at the upper end of the support body (201) and connected through a telescopic assembly, the inner wall of the support shell (302) is provided with a damping spring (303), the distal end of the damping spring (303) is fixed with a splash-proof shell (305), the inside of the splash-proof shell (305) is uniformly provided with a drainage groove (6), and the lower end of the drainage groove (6) is fixed with an annular conduit (601).

2. A drilling mud splash guard as claimed in claim 1, wherein: The pushing assembly comprises a support rail (7) fixed at the upper end of the support rod (1), a screw rod (702) is vertically and rotatably connected in the support rail (7), a sliding block (701) is slidably connected to the inner wall of the support rail (7), the sliding block (701) is threadedly connected with the screw rod (702), the adjusting rod (2) is slidably connected in the support rod (1), the upper end of the adjusting rod (2) is fixed with a T-shaped connecting block (704), the upper end surface of the connecting block (704) is provided with a movable rod (703) rotatably connected through a rotating shaft, and the two sides of the sliding block (701) are provided with rotating shafts rotatably connected with the other end of the movable rod (703).

3. A drilling mud splash guard as defined in claim 1, wherein: The telescopic assembly comprises a fixed plate (3) fixed to the upper end surface of the support body (201), a pair of electric push rods (301) are fixed to the inner wall of the fixed plate (3), and the support shell (302) is fixedly connected to the telescopic end of the electric push rod (301).

4. A drilling mud splash guard as defined in claim 1, wherein: The damping spring (303) is uniformly distributed along the inner wall of the support shell (302), and the inner ring of the damping spring (303) is provided with a damping support rod (304), one end of the damping support rod (304) is fixedly connected with the inner wall of the support shell (302).

5. A drilling mud splash guard as defined in claim 1, wherein: The upper end surface of the annular conduit (601) is uniformly provided with a drainage hole (602), and the drainage hole (602) is in the same vertical direction as the drainage groove (6).

6. A drilling mud splash guard as defined in claim 1, wherein: One end of the annular conduit (601) is fixed with a connecting hose (603), one end of the upper end surface of the support body (201) is fixed with a mud tank (604), and the other end of the connecting hose (603) penetrates through the mud tank (604).

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