Slurry pump structure for petroleum drilling

Abstract

The utility model relates to the technical field of mud pumps for petroleum drilling, and discloses a mud pump structure for petroleum drilling, which comprises a mud pump body, the outer surface of the front end of the mud pump body is fixedly connected with a fluid end, the outer surface of the front end of the fluid end is fixedly connected with a pipe body, and the fluid end is communicated with the pipe body. A connecting pipe is fixedly connected to the outer surface of the lower end of the fluid end, a sleeve is fixedly connected to the outer surface of the lower end of the connecting pipe, a mud inlet pipe is fixedly connected to the outer wall of one side of the sleeve, and an anti-blocking assembly is fixedly connected to the outer surface of one end of the sleeve. According to the slurry pump, slurry at the junction of the connecting pipe and the casing pipe can be conveniently and rapidly conveyed into the connecting pipe, and in the conveying process, the situations such as blockage at the junction of the connecting pipe and the casing pipe can be effectively reduced, so that the slurry outlet efficiency of the slurry pump and the whole working efficiency are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mud pump technical field for petroleum drilling, concretely is a mud pump structure for petroleum drilling. BACKGROUND

[0002] The mud pump is a kind of key drilling equipment, its structure and working principle are quite complex, mud pump is mainly composed of power end and hydraulic end two parts, mud pump is converted into the reciprocating linear motion of crosshead and piston by crank connecting rod mechanism, cleverly the rotary motion of motor is converted into, to be into high pressure mud from low pressure mud, in the drilling process, this high pressure mud is continuously delivered to well bottom, is used to cool drill bit, flush well bottom, break rock, and carry it to the well when rock debris returns.

[0003] But it still has some shortcomings, for example: the connecting pipe between the existing mud pump mud inlet pipe and hydraulic end connection, since the inner diameter of connecting pipe is less than the inner diameter of inlet pipe, mud is easy to cause blockage when passing through the connection, affect the mud efficiency, in turn reduce the working efficiency of mud pump.

[0004] To solve the above problems, a mud pump structure for petroleum drilling is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a mud pump structure for petroleum drilling to solve the problems in the prior art, such as the connecting pipe between the water inlet pipe and the hydraulic end of the mud pump, since the inner diameter of the connecting pipe is less than the inner diameter of the water inlet pipe, the mud is easy to cause blockage when passing through the connection, affect the mud efficiency, in turn reduce the working efficiency of the mud pump.

[0006] To achieve the above object, the utility model provides the following technical scheme: a mud pump structure for petroleum drilling, comprising a mud pump body, the front end outer surface of the mud pump body is fixedly connected with a hydraulic end, the front end outer surface of the hydraulic end is fixedly connected with a pipe body, and the hydraulic end and the pipe body are connected in communication, the lower end outer surface of the hydraulic end is fixedly connected with a connecting pipe, the lower end outer surface of the connecting pipe is fixedly connected with a sleeve pipe, one side outer wall of the sleeve pipe is fixedly connected with a mud inlet pipe, and the one end outer surface of the sleeve pipe is fixedly connected with an anti-blocking assembly.

[0007] Preferably, the anti-blocking assembly comprises a fixed block one, a driving motor, a rotating shaft, a fixed ring, a flapping plate, a rack, a bearing and a fixed block two, the number of fixed rings is four groups, the number of flapping plates and racks is several groups, and the fixed block one is fixedly connected to the one end outer surface of the sleeve pipe.

[0008] Preferably, the one end outer surface of the fixed block one is fixedly connected with a driving motor, and the other end outer surface of the driving motor is drivingly connected with a rotating shaft.

[0009] Preferably, the outer wall of the rotating shaft is fixedly connected with a fixed ring, the outer wall of the fixed ring is fixedly connected with a fanning plate, and the fixed ring and the fanning plate are located at the intersection of the connecting pipe and the sleeve pipe.

[0010] Preferably, one end of the outer surface of the fanning plate is fixedly connected with a rack, and one end of the outer wall of the rotating shaft is fixedly connected with a bearing.

[0011] Preferably, the other end of the outer surface of the sleeve pipe is fixedly connected with a fixed block two, and the bearing is fixedly connected to the outer surface of the middle part of the fixed block two.

[0012] Compared with the prior art, the mud pump structure for oil drilling has the beneficial effects that:

[0013] The driving motor is started when the mud suction pipe sucks in the mud, the rotating shaft is driven to rotate under the rotation of the driving motor, the fanning plate on the fixed ring and the rack are driven to rotate under the rotation of the rotating shaft, the mud is quickly delivered into the connecting pipe under the action of the fanning plate, the rack can break the agglomerated mud, the mud can be conveniently delivered into the connecting pipe, the mud in the intersection of the connecting pipe and the sleeve pipe can be conveniently delivered into the connecting pipe, the blockage of the intersection of the connecting pipe and the sleeve pipe can be effectively reduced during the delivery process, the mud delivery efficiency of the mud pump and the overall working efficiency are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the mud pump structure for oil drilling;

[0015] Figure 2 It is a structural schematic view of the mud suction pipe and the sleeve pipe in the mud pump structure for oil drilling;

[0016] Figure 3 It is a structural schematic view of the anti-blocking assembly in the mud pump structure for oil drilling;

[0017] Figure 4 It is a side view of the anti-blocking assembly of the mud pump structure for oil drilling.

[0018] In the figure: 1, mud pump body; 2, fluid end; 3, pipe body; 4, connecting pipe; 5, sleeve pipe; 6, mud suction pipe; 7, anti-blocking assembly; 8, fixed block one; 9, driving motor; 10, rotating shaft; 11, fixed ring; 12, fanning plate; 13, rack; 14, bearing; 15, fixed block two. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a mud pump structure for petroleum drilling, including mud pump pump body 1, the front end outer surface of mud pump pump body 1 is fixedly connected with liquid force end 2, the front end outer surface of liquid force end 2 is fixedly connected with pipe body 3, and liquid force end 2 and pipe body 3 are connected, the lower end outer surface of liquid force end 2 is fixedly connected with connecting pipe 4, the lower end outer surface of connecting pipe 4 is fixedly connected with casing 5, one side outer wall of casing 5 is fixedly connected with mud inlet pipe 6, one end outer surface of casing 5 is fixedly connected with anti-blocking assembly 7, and its overall structure is simple, easy to install operation.

[0021] In the embodiment, as shown in Figures 2-4 Anti-blocking assembly 7 includes fixed block one 8, drive motor 9, rotating shaft 10, fixed ring 11, flapping plate 12, rack 13, bearing 14, fixed block two 15, the number of fixed ring 11 is four groups, the number of flapping plate 12 and rack 13 is several groups, fixed block one 8 is fixedly connected to one end outer surface of casing 5, by setting fixed block one 8, we can install drive motor 9 in one end of casing 5, one end outer surface of fixed block one 8 is fixedly connected with drive motor 9, the other end outer surface of drive motor 9 is drivingly connected with rotating shaft 10, by setting rotating shaft 10, we can conveniently drive multiple flapping plate 12 and rack 13 to rotate, the outer wall of rotating shaft 10 is fixedly connected with fixed ring 11, the outer wall of fixed ring 11 is fixedly connected with flapping plate 12, and fixed ring 11, flapping plate 12 and rack 13 are located at the intersection of connecting pipe 4 and casing 5, one end outer surface of flapping plate 12 is fixedly connected with rack 13, one end outer wall of rotating shaft 10 is fixedly connected with bearing 14, the other end outer surface of casing 5 is fixedly connected with fixed block two 15, and bearing 14 is fixedly connected to the outer surface of the middle part of fixed block two 15, by setting bearing 14, we can conveniently movably connect one end of rotating shaft 10 to the other end of casing 5.

[0022] Working principle:

[0023] The mud pump structure for oil drilling is provided with an anti-blocking assembly 7, when mud is sucked into the mud inlet pipe 6, the driving motor 9 is started, under the rotation of the driving motor 9, the rotating shaft 10 is rotated, under the rotation of the rotating shaft 10, the agitating plate 12 on the fixed ring 11 and the rack 13 are rotated, under the action of the agitating plate 12, the mud is rapidly delivered into the connecting pipe 4, the mud lump can be broken by the rack 13, the mud can be conveniently delivered into the connecting pipe 4, the mud at the intersection of the connecting pipe 4 and the sleeve pipe 5 can be conveniently delivered into the connecting pipe 4, the blocking and other conditions at the intersection of the connecting pipe 4 and the sleeve pipe 5 can be effectively reduced during the delivery process, the mud delivery efficiency of the mud pump and the whole working efficiency are further improved.

[0024] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.

Claims

1. Mud pump structure for oil drilling, comprising a mud pump body (1), characterized in that: The outer surface of the front end of the mud pump body (1) is fixedly connected with a fluid end (2), the outer surface of the front end of the fluid end (2) is fixedly connected with a pipe body (3), and the fluid end (2) and the pipe body (3) are connected in communication, the outer surface of the lower end of the fluid end (2) is fixedly connected with a connecting pipe (4), the outer surface of the lower end of the connecting pipe (4) is fixedly connected with a sleeve pipe (5), one side outer wall of the sleeve pipe (5) is fixedly connected with a mud inlet pipe (6), and one end outer surface of the sleeve pipe (5) is fixedly connected with an anti-blocking assembly (7).

2. The slurry pump structure for oil drilling according to claim 1, characterized in that: The anti-blocking assembly (7) comprises a fixed block one (8), a driving motor (9), a rotating shaft (10), a fixed ring (11), a fanning plate (12), a rack (13), a bearing (14) and a fixed block two (15), the number of the fixed ring (11) is four groups, the number of the fanning plate (12) and the rack (13) is several groups, and the fixed block one (8) is fixedly connected with one end outer surface of the sleeve pipe (5).

3. The slurry pump construction for oil drilling as claimed in claim 2 wherein: One end outer surface of the fixed block one (8) is fixedly connected with the driving motor (9), and the other end outer surface of the driving motor (9) is drivingly connected with the rotating shaft (10).

4. The slurry pump construction for oil drilling as claimed in claim 2 wherein: The outer wall of the rotating shaft (10) is fixedly connected with the fixed ring (11), the outer wall of the fixed ring (11) is fixedly connected with the fanning plate (12), and the fixed ring (11), the fanning plate (12) and the rack (13) are located at the intersection of the connecting pipe (4) and the sleeve pipe (5).

5. The slurry pump construction for oil drilling as claimed in claim 2 wherein: One end outer surface of the fanning plate (12) is fixedly connected with the rack (13), and one end outer wall of the rotating shaft (10) is fixedly connected with the bearing (14).

6. The slurry pump construction for oil drilling as claimed in claim 2 wherein: The other end outer surface of the sleeve pipe (5) is fixedly connected with the fixed block two (15), and the bearing (14) is fixedly connected with the outer surface of the middle part of the fixed block two (15).

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