Oil field underground pressure regulation and control device

Abstract

The utility model provides an oil field underground pressure regulation and control device, which relates to the technical field of oil field pressure regulation and control, and comprises a cement base, the upper surface of the cement base is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a mounting seat, the mounting seat is provided with a spherical groove, and a metal ball is mounted in the spherical groove. A supporting plate is fixedly connected to the metal ball, and a pressure pump is installed on the upper surface of the supporting plate. By arranging the adjusting and supporting assembly, the hydraulic cylinder drives the supporting block to push the supporting plate to rotate on the fixing plate from four directions and maintain the horizontal state, adjustment is faster, time is saved, oil well pressure adjustment and production efficiency are prevented from being affected, meanwhile, the state of the pressure pump is adjusted in time, and the production efficiency is improved. Pump body deformation and bearing damage caused by inclination of the pressure pump in use are avoided, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil well pressure regulation and control technical field, especially relate to a kind of oilfield downhole pressure regulation and control device. BACKGROUND

[0002] Oil well pressurizing pump is the key equipment for improving oil well pressure, ensuring the smooth exploitation and transportation of crude oil in the process of oil well exploitation, is widely used in the process of crude oil exploitation from underground to ground in the exploitation of land oilfield, to ensure that crude oil can be smoothly transported to the gathering system for subsequent processing, for electrically driven oil well pressurizing pump, such as submersible electric pump, can change the motor speed by changing the power supply frequency of motor, and then change the displacement of pump, according to the characteristic curve of pump, displacement and pressure show certain corresponding relationship, generally, displacement increases, oil well pressure will increase accordingly, and displacement decreases, pressure will decrease.

[0003] Pressurizing pump is usually installed on cement base, but due to soil and environmental influence, such as soft soil, collapsible loess or poor soil quality such as filling soil, and groundwater fluctuation, all of which will cause the settlement and skew of cement base, which is easy to cause the damage of pump body and bearing of pressurizing pump, and then make the fluid flow in pressurizing pump not smooth, affect the pressure regulation effect of oil well. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model provides a kind of oilfield downhole pressure regulation and control device to more accurately solve the above-mentioned problems.

[0005] The utility model is realized by the following technical schemes:

[0006] The utility model provides a kind of oilfield downhole pressure regulation and control device, including cement base, the upper surface of cement base is fixedly connected with fixed plate, the upper surface of fixed plate is fixedly connected with mounting seat, mounting seat is equipped with spherical groove, metal ball is installed in spherical groove, the metal ball is fixedly connected with support plate, support plate is installed with pressurizing pump on the upper surface, adjusting support assembly is equipped between support plate and fixed plate.

[0007] In one example, the adjusting support assembly includes four fixed frames, the fixed frame is fixedly connected with the fixed plate, four fixed frames are located at the four corners of the fixed plate, four fixed frames are arrayed, the fixed frame is fixedly connected with hydraulic cylinder, the telescopic rod of hydraulic cylinder is fixedly connected with support block.

[0008] In one example, all the support blocks are spherical.

[0009] In one example, the upper surface of support plate is fixedly connected with counterweight, the upper surface of counterweight is slidably provided with mounting plate, and the pressurizing pump is installed on the upper surface of mounting plate.

[0010] In one example, the upper surface of the support plate is fixedly connected with two vertical plates, one of the vertical plates is slidingly connected with a horizontal rod, the horizontal rod penetrates through the vertical plate, the horizontal rod is fixedly connected with the mounting plate, the other vertical plate is threadedly connected with a threaded rod, the threaded rod penetrates through the vertical plate and is threadedly connected with the vertical plate, and the threaded rod is rotatably connected with the mounting plate.

[0011] In one example, the upper surface of the support plate is provided with four mounting grooves, a rotating seat is rotatably connected in each mounting groove, one side of the rotating seat is fixedly connected with a fixed cylinder, a sliding rod is slidingly connected in the fixed cylinder, and one end of the sliding rod is fixedly connected with a balance block.

[0012] In one example, a threaded hole is arranged on each rotating seat, a first fastening bolt is threadedly connected in the threaded hole, a square through groove is arranged on the upper surface of the fixed cylinder, and a second fastening bolt is threadedly connected with the upper surface of the sliding rod and penetrates through the square through groove.

[0013] The oilfield downhole pressure regulating device can bring the following beneficial effects:

[0014] Firstly, the adjusting support assembly is arranged, the hydraulic cylinder is started, the support block pushes the support plate to rotate on the fixed plate from four directions to restore the horizontal state, then the hydraulic cylinder is closed to support the support plate and keep the support plate in the horizontal state, the adjustment is faster, time is saved, the adjustment of the oil well pressure is not affected, the production efficiency is not affected, the state of the pressure pump is adjusted in time, the pressure pump is prevented from tilting during use, the pump body is prevented from deforming and the bearing is prevented from being damaged, and the service life is prolonged.

[0015] Secondly, when the cement base tilts due to subsidence, the hydraulic cylinder pulls the support block to descend, the support block does not contact the support plate, the support plate rotates on the inclined fixed plate under the action of the gravity center, the pressure pump and the support plate tend to be horizontal under the action of the gravity center, after the support plate is stationary, the support plate tends to be horizontal, the hydraulic cylinder pushes the support block to abut against the support plate from below to maintain the support plate in the horizontal state and prevent the support plate from shaking, then the pipeline is connected with the pressure pump, the time for manual adjustment is reduced, the speed is faster, and manpower is saved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, form a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitations on the present application.

[0017] In the drawings:

[0018] Figure 1 The drawings described herein are used to provide further understanding of the present application, form a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitations on the present application.

[0019] Figure 2 It is the cross section structure schematic view of the utility model.

[0020] Figure 3 It is the structure schematic view of the metal ball of the utility model.

[0021] Figure 4 It is the structure schematic view of the balance block of the utility model.

[0022] In the figure: 1, cement base; 2, fixed plate; 3, mounting seat; 4, metal ball; 5, support plate; 6, pressure pump; 7, adjusting support assembly; 71, fixed frame; 72, hydraulic cylinder; 73, support block; 8, counterweight; 9, mounting plate; 10, vertical plate; 11, cross bar; 12, threaded rod; 13, rotating seat; 14, fixed cylinder; 15, sliding rod; 16, balance block; 17, first fastening bolt; 18, second fastening bolt. DETAILED DESCRIPTION

[0023] In order to more clearly explain the overall concept of the utility model, the following detailed description is made in an exemplary manner with reference to the accompanying drawings of the specification.

[0024] As Figures 1-4The utility model discloses an oilfield downhole pressure regulation and control device, including cement base 1, the upper surface fixed connection fixed plate 2 of cement base 1, the upper surface fixed connection mounting seat 3 of fixed plate 2 is equipped with the spherical groove on mounting seat 3, and metal ball 4 is installed in the spherical groove, and metal ball 4 is fixedly connected support plate 5, and the upper surface of support plate 5 is installed with pressurizing pump 6, and is equipped with adjusting support subassembly 7 between support plate 5 and fixed plate 2, and adjusting support subassembly 7 includes four fixed frame 71, and fixed frame 71 is fixedly connected with fixed plate 2, and four fixed frame 71 are located at the four corners of fixed plate 2, and four fixed frame 71 array setting, and fixed frame 71 is fixedly connected hydraulic cylinder 72, and the telescopic rod of hydraulic cylinder 72 is fixedly connected support block 73, and all support block 73 are spherical, and cement base 1 is preset on the ground near oil well, and the surface level of cement base 1 is initially, and pressurizing pump 6 is installed on the surface of support plate 5, and support plate 5 is connected with fixed plate 2 through metal ball 4, to make support plate 5 can be inclined to any angle on fixed plate 2, and support plate 5 is parallel with the surface of cement base 1 under the support of adjusting support subassembly 7, to make support plate 5 maintain the state of level, when the soil layer below cement base 1 collapses and inclines due to characteristics or due to the change of underground water level etc. during the pressurizing use process of pressurizing pump 6, lead to support plate 5 inclines along with it, when multiple hydraulic cylinders 72 below are started, support block 73 pushes support plate 5 and rotates on fixed plate 2 from four directions, to restore level, then hydraulic cylinder 72 is closed, and support plate 5 is supported, to make support plate 5 keep the state of level, adjusting is more quick, save time, avoid the influence to the regulation of oil well pressure, influence production efficiency, adjust the state of pressurizing pump 6 in time simultaneously, avoid the inclination of pressurizing pump 6 when using, lead to pump body deformation and bearing damage, prolong service life.

[0025] As Figure 2 , Figure 3 and Figure 4As shown, the upper surface of the support plate 5 is fixedly connected with the counterweight 8, the upper surface of the counterweight 8 is slidably provided with the mounting plate 9, the pressurizing pump 6 is mounted on the upper surface of the mounting plate 9, the upper surface of the support plate 5 is fixedly connected with two vertical plates 10, one of the vertical plates 10 is slidably connected with the crossbar 11 which penetrates the vertical plate 10 and is fixedly connected with the mounting plate 9, the other vertical plate 10 is threadedly connected with the threaded rod 12 which penetrates the vertical plate 10 and is threadedly connected with the vertical plate 10 and is rotatably connected with the mounting plate 9, the upper surface of the support plate 5 is provided with four mounting grooves, the mounting grooves are rotatably connected with the rotating seat 13, one side of the rotating seat 13 is fixedly connected with the fixed cylinder 14, the fixed cylinder 14 is slidably connected with the sliding rod 15, one end of the sliding rod 15 is fixedly connected with the balancing block 16, all the rotating seats 13 are provided with threaded through holes, the threaded through holes are threadedly connected with the first fastening bolt 17, the upper surface of the fixed cylinder 14 is provided with a square through slot, the upper surface of the sliding rod 15 is threadedly connected with the second fastening bolt 18 which penetrates the square through slot, after the pressurizing pump 6 is mounted on the mounting plate 9, the threaded rod 12 is rotated to move the mounting plate 9, the hydraulic cylinder 72 pulls the support block 73 to descend, at this time the support plate 5 is not supported, the gravity is pressed on the metal ball 4, at this time the rotating seat 13 is rotated to pull the sliding rod 15 to control the position of the balancing block 16, so that the gravity center of the pressurizing pump 6, the counterweight 8, the support plate 5 and the metal ball 4 is located on the longitudinal axis where the center of the metal ball 4 is located, the first fastening bolt 17 and the second fastening bolt 18 are rotated to fix the position of the balancing block 16, then the hydraulic cylinder 72 pushes the support block 73 to contact the lower surface of the support plate 5 to avoid the support plate 5 from shaking, when the cement base 1 below is tilted due to collapse, the pipeline on the pressurizing pump 6 is removed, at this time the hydraulic cylinder 72 pulls the support block 73 to descend, the support block 73 does not contact the support plate 5, the support plate 5 which loses support is rotated on the inclined fixed plate 2 under the action of the gravity center until the pressurizing pump 6 and the support plate 5 tend to be horizontal, the inclination angle is within a reasonable control range, after the support plate 5 is stationary, at this time the support plate 5 tends to be horizontal, the hydraulic cylinder 72 pushes the support block 73 to abut against the support plate 5 from below to maintain the support plate 5 in a horizontal state and prevent the support plate 5 from shaking, then the pipeline is connected with the pressurizing pump 6 again, the time for manual adjustment is reduced, the speed is faster and the manpower is saved.

[0026] Working principle: after the pressurizing pump 6 is installed on the mounting plate 9, the threaded rod 12 is rotated to move the mounting plate 9, the hydraulic cylinder 72 pulls the supporting block 73 to descend, at this time the supporting plate 5 is not supported, the gravity is pressed on the metal ball 4, at this time the rotating seat 13 is rotated to pull the sliding rod 15, the position of the balancing block 16 is controlled, the gravity center of the pressurizing pump 6, the counterweight 8, the supporting plate 5 and the metal ball 4 is on the longitudinal axis where the center of the metal ball 4 is, the first fastening bolt 17 is rotated to fix the position of the balancing block 16, then the hydraulic cylinder 72 pushes the supporting block 73 to contact the lower surface of the supporting plate 5, when the cement base 1 below appears to collapse and tilt, the pipeline on the pressurizing pump 6 is removed, at this time the hydraulic cylinder 72 pulls the supporting block 73 to descend, the supporting block 73 does not contact the supporting plate 5, the supporting plate 5 which loses support rotates on the inclined fixed plate 2 under the action of the gravity center, until the pressurizing pump 6 and the supporting plate 5 tend to be horizontal under the action of the gravity center, the inclination angle is within the reasonable control range, after the supporting plate 5 is stationary, at this time the supporting plate 5 tends to be horizontal, the hydraulic cylinder 72 pushes the supporting block 73 to resist the supporting plate 5 from below.

[0027] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment mainly explains the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0028] The above only describes the embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. An oilfield downhole pressure regulating device, comprising: The application relates to a cement base (1), the upper surface of the cement base (1) is fixedly connected with a fixed plate (2), the upper surface of the fixed plate (2) is fixedly connected with a mounting base (3), a spherical groove is arranged on the mounting base (3), a metal ball (4) is arranged in the spherical groove, the metal ball (4) is fixedly connected with a supporting plate (5), a pressurizing pump (6) is arranged on the upper surface of the supporting plate (5), and an adjusting supporting assembly (7) is arranged between the supporting plate (5) and the fixed plate (2).

2. A downhole pressure regulating device for an oilfield well according to claim 1, wherein, The adjusting supporting assembly (7) comprises four fixing frames (71), the fixing frames (71) are fixedly connected with the fixed plate (2), the four fixing frames (71) are arranged at four corners of the fixed plate (2), the four fixing frames (71) are arranged in an array, a hydraulic cylinder (72) is fixedly connected with the fixing frame (71), and the telescopic rod of the hydraulic cylinder (72) is fixedly connected with a supporting block (73).

3. A downhole pressure regulating device for an oilfield well according to claim 2, wherein, All the supporting blocks (73) are spherical.

4. The downhole pressure regulating device of claim 1, wherein, A counterweight (8) is fixedly connected with the upper surface of the supporting plate (5), an installation plate (9) is slidably arranged on the upper surface of the counterweight (8), and the pressurizing pump (6) is arranged on the upper surface of the installation plate (9).

5. A downhole pressure regulating device for an oilfield well according to claim 4, wherein, Two vertical plates (10) are fixedly connected with the upper surface of the supporting plate (5), one of the vertical plates (10) is slidably connected with a horizontal rod (11), the horizontal rod (11) penetrates through the vertical plate (10), the horizontal rod (11) is fixedly connected with the installation plate (9), the other vertical plate (10) is threadedly connected with a threaded rod (12), the threaded rod (12) penetrates through the vertical plate (10) and is threadedly connected with the vertical plate (10), and the threaded rod (12) is rotatably connected with the installation plate (9).

6. A downhole pressure regulating device for an oilfield well according to claim 1, wherein, Four installation grooves are arranged on the upper surface of the supporting plate (5), a rotating base (13) is rotatably connected with the installation grooves, a fixed cylinder (14) is fixedly connected with one side of the rotating base (13), a sliding rod (15) is slidably connected with the fixed cylinder (14), and a balance block (16) is fixedly connected with one end of the sliding rod (15).

7. A downhole pressure regulating device for an oilfield well according to claim 6, wherein, Threaded through holes are arranged on all the rotating bases (13), first fastening bolts (17) are threadedly connected with the threaded through holes, square through grooves are arranged on the upper surfaces of the fixed cylinders (14), and second fastening bolts (18) are threadedly connected with the upper surfaces of the sliding rods (15) and pass through the square through grooves.

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