An automated solids control integrated machine for efficiently recovering barite and its usage method

Abstract

The present invention provides an automated solids control integrated machine for efficiently recovering barite and its usage method, which can reduce the volume of the solids control integrated machine, has a high degree of automation, avoids waste of barite, and effectively removes inferior solids. A low-speed centrifuge, a high-speed centrifuge, a first density sensor, a second density sensor, and valves are arranged in the solids control integrated machine. The first input pipeline of the low-speed centrifuge is provided with the first density sensor and the valve. The drilling fluid of the low-speed centrifuge flows into the high-speed centrifuge through the second input pipeline of the high-speed centrifuge. A barite recovery tank is arranged on the low-speed centrifuge, and an inferior solids recovery tank is arranged on the high-speed centrifuge; the second density sensor is arranged on the second input pipeline.

Description

Technical Field

[0001] The present invention relates to the field of solids control machines, and more particularly to an automated solids control integrated machine for efficiently recovering barite and its usage method. Background Art

[0002] Currently, many companies have upgraded and transformed solids control equipment, and such solids control equipment generally exhibits the following characteristics: Firstly, as in CN207296921U, a new type of solids control equipment system, the solids control equipment for recovering barite is a system composed of multiple parts, with a large volume and a large floor area; Secondly, as in CN204492712U, a two-stage centrifuge treatment system for a weighted mud machine, although the barite material is recovered, the process is relatively complex; Thirdly, manual operation is adopted, and the degree of automation is low. Summary of the Invention

[0003] The purpose of the present invention is to provide an automated solids control integrated machine for efficiently recovering barite and its usage method, which can reduce the volume of the solids control integrated machine, has a high degree of automation, avoids waste of barite, and effectively removes inferior solid phases at the same time.

[0004] The embodiments of the present invention are implemented as follows:

[0005] An automated solids control integrated machine for efficiently recovering barite, in which a low-speed centrifuge, a high-speed centrifuge, a first density sensor, a second density sensor, and a valve are arranged. A first density sensor and a valve are arranged on the first input pipeline of the low-speed centrifuge. The drilling fluid of the low-speed centrifuge flows into the high-speed centrifuge through the second input pipeline of the high-speed centrifuge. A barite recovery tank is arranged on the low-speed centrifuge, and an inferior solid phase recovery tank is arranged on the high-speed centrifuge; The second density sensor is arranged on the second input pipeline.

[0006] In a preferred embodiment of the present invention, a third density sensor is arranged on the output pipeline of the high-speed centrifuge.

[0007] In a preferred embodiment of the present invention, the output pipeline of the high-speed centrifuge is connected to a mud tank.

[0008] In a preferred embodiment of the present invention, the low-speed centrifuge is configured with a low-speed centrifuge motor, and a first rotational speed sensor is arranged on the transmission rod of the low-speed centrifuge motor.

[0009] In a preferred embodiment of the present invention, the high-speed centrifuge is configured with a high-speed centrifuge motor, and a second rotational speed sensor is arranged on the transmission rod of the high-speed centrifuge motor.

[0010] In a preferred embodiment of the present invention, the above-mentioned integrated solids control unit is equipped with a control host, which includes a display, a control module, and a collection module. The control module is respectively connected to the display and the collection module, and the collection module is communicatively connected to the sensors within the integrated solids control unit.

[0011] A method for using an automated integrated solids control unit for efficient barite recovery, which comprises the following steps:

[0012] S1: The first density sensor detects the density of the drilling fluid in the first input pipeline and transmits the detected data to the collection module. When the detected density of the first density sensor reaches a predetermined value, the control module opens the valve and the low-speed centrifuge motor;

[0013] S2: Through the centrifugal action of the low-speed centrifuge, the high-density solid phase barite is thrown out from the barite recovery tank;

[0014] S3: The drilling fluid flowing out of the low-speed centrifuge flows into the high-speed centrifuge through the second input pipeline. Compare the density sizes of the first density sensor and the second density sensor, and control the rotation speed of the low-speed centrifuge;

[0015] S4: Through the centrifugal action of the high-speed centrifuge, the inferior solid phase is thrown out through the inferior solid phase recovery tank;

[0016] S5: The fluid processed by the high-speed centrifuge flows into the mud tank through the output pipeline of the high-speed centrifuge for reuse; compare the density sizes of the second density sensor and the third density sensor, and control the rotation speed of the high-speed centrifuge.

[0017] In a preferred embodiment of the present invention, in the above S3, when the density difference ρ1 between the first density sensor and the second density sensor is ≤ 0.2, the low-speed centrifuge stops rotating; when 0.2 < ρ1 ≤ 0.5, the rotation speed of the low-speed centrifuge is adjusted to 1000 - 1500 r / min; when 0.5 < ρ1, the rotation speed of the low-speed centrifuge is adjusted to 1500 - 1700 r / min.

[0018] In a preferred embodiment of the present invention, in the above S5, when the density difference ρ2 between the second density sensor and the third density sensor is ≤ 0.2, the high-speed centrifuge stops rotating; when 0.2 < ρ2 ≤ 0.5, the rotation speed of the high-speed centrifuge is adjusted to 3000 - 3500 r / min; when 0.5 < ρ2, the rotation speed of the high-speed centrifuge is adjusted to 3500 - 3700 r / min.

[0019] The beneficial effects of the embodiments of the present invention are as follows: In the automated solids control integrated machine of the present invention, a low-speed centrifuge and a high-speed centrifuge are provided, which reduces the volume of the solids control integrated machine; at the same time, the automated solids control integrated machine is also equipped with sensors, a control module, a display, etc., with a high degree of automation; a barite recovery tank is provided on the low-speed centrifuge, avoiding the waste of barite; a poor solid phase recovery tank is provided on the high-speed centrifuge, effectively removing the poor solid phase, with a simple structure and high recovery efficiency. Brief Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic structural diagram of the automated solids control integrated machine according to the embodiment of the present invention;

[0022] Figure 2 It is a schematic top view structural diagram of the automated solids control integrated machine according to the embodiment of the present invention;

[0023] Reference numerals: 100 - low-speed centrifuge; 200 - high-speed centrifuge; 101 - first density sensor; 201 - second density sensor; 102 - valve; 103 - first input pipeline; 202 - second input pipeline; 104 - barite recovery tank; 203 - poor solid phase recovery tank; 204 - third density sensor; 205 - output pipeline; 105 - low-speed centrifuge motor; 106 - first rotational speed sensor; 206 - high-speed centrifuge motor; 207 - second rotational speed sensor; 301 - control host; 302 - display; 303 - control module; 304 - acquisition module. Detailed Description of the Embodiments

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] It should be noted that like reference numerals and letters refer to like items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the figures, or the orientation or positional relationship in which the product of the present invention is customarily placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0030] First Embodiment

[0031] During the process of oil drilling, the configuration and upgrade of the solids control equipment can effectively control the content of low-density solids in the mud, timely and effectively remove the inferior solids in the mud, significantly weaken the strength of the cuttings bed during drilling, and play a key role in preventing pipe sticking. At the same time, by using the recovery principle of barite, the barite thrown out by the centrifuge is timely recovered and utilized, greatly saving costs.

[0032] Please refer to Figure 1-2, this embodiment provides an automated solids control integrated machine for efficiently recovering barite. A low-speed centrifuge 100, a high-speed centrifuge 200, a first density sensor 101, a second density sensor 201, and a valve 102 are arranged inside the solids control integrated machine. The first density sensor 101 and the valve 102 are arranged on the first input pipeline 103 of the low-speed centrifuge 100. The drilling fluid of the low-speed centrifuge 100 flows into the high-speed centrifuge 200 through the second input pipeline 202 of the high-speed centrifuge 200. A barite recovery tank 104 is arranged on the low-speed centrifuge 100, and a poor solid phase recovery tank 203 is arranged on the high-speed centrifuge 200; the second density sensor 201 is arranged on the second input pipeline 202. A third density sensor 204 is arranged on the output pipeline of the high-speed centrifuge 200.

[0033] The output pipeline 205 of the high-speed centrifuge 200 is connected to the mud tank. The fluid processed by the high-speed centrifuge 200 flows into the mud tank through the output pipeline 205 of the high-speed centrifuge 200 and can be recycled. The low-speed centrifuge 100 is configured with a low-speed centrifuge motor 105, and a first rotation speed sensor 106 is arranged on the transmission rod of the low-speed centrifuge motor 105. The high-speed centrifuge 200 is configured with a high-speed centrifuge motor 206, and a second rotation speed sensor 207 is arranged on the transmission rod of the high-speed centrifuge motor 206. The solids control integrated machine is equipped with a control host 301, and the control host 301 includes a display 302, a control module 303, and a collection module 304. The control module 303 is respectively connected to the display 302 and the collection module 304, and the collection module 304 is communicatively connected to each sensor inside the solids control integrated machine.

[0034] In this embodiment, the low-speed centrifuge 100 and the high-speed centrifuge 200 overlap up and down through a frame, reducing the volume of the solids control integrated machine. A display 302, a control host 301, a control module 303, a collection module 304, and various sensors are arranged inside the automated solids control integrated machine to increase the automation degree of the solids control integrated machine. The display 302 in this embodiment is an LED touch screen, which can display the fluid density flowing into the low-speed centrifuge 100, the fluid density flowing into the high-speed centrifuge 200, the fluid density flowing out of the high-speed centrifuge 200, as well as the rotation speed of the low-speed centrifuge 100 and the rotation speed of the high-speed centrifuge 200. At the same time, the touch screen can send a signal to the control host 301, and the control host 301 sends an instruction to the control module 303 to adjust the rotation speeds of the low-speed centrifuge 100 and the high-speed centrifuge 200. The collection module 304 receives the signals of the density sensor and the rotation speed sensor and displays them through the display 302.

[0035] A method for using an automated solids control integrated machine for efficiently recovering barite includes the following steps:

[0036] S1: The first density sensor 101 detects the density of the drilling fluid in the first input pipeline 103 and transmits the detected data to the acquisition module 304. When the detected density of the first density sensor 101 reaches a predetermined value, the control module 303 opens the valve 102 and the low-speed centrifuge motor 105;

[0037] S2: Through the centrifugal action of the low-speed centrifuge 100, the high-density solid barite is thrown out from the barite recovery tank 104; the fluid passes through the first input pipeline 103 of the low-speed centrifuge 100, flows into the low-speed centrifuge 100, and through the centrifugal action of the low-speed centrifuge 100, the barite is thrown out, and the thrown-out barite is efficiently recovered through the barite recovery tank 104;

[0038] S3: The drilling fluid flowing out of the low-speed centrifuge 100 flows into the high-speed centrifuge 200 through the second input pipeline 202. Compare the density values of the first density sensor 101 and the second density sensor 201, and control the rotation speed of the low-speed centrifuge 100;

[0039] S4: Through the centrifugal action of the high-speed centrifuge 200, the inferior solid phase is thrown out through the inferior solid phase recovery tank 203; the fluid flowing out of the low-speed centrifuge 100 flows into the high-speed centrifuge 200 through the second input pipeline 202 of the high-speed centrifuge 200; through the centrifugal action of the high-speed centrifuge 200, the inferior solid phase is thrown out, and the thrown-out inferior solid phase is processed through the inferior solid phase recovery tank 203, avoiding environmental pollution;

[0040] S5: The fluid processed by the high-speed centrifuge 200 flows into the mud tank through the output pipeline 205 of the high-speed centrifuge 200 for reuse; compare the density values of the second density sensor 201 and the third density sensor 204, and control the rotation speed of the high-speed centrifuge 200.

[0041] More specifically, in S3, when the density difference ρ1 between the first density sensor 101 and the second density sensor 201 is less than or equal to 0.2, the low-speed centrifuge 100 stops rotating; when 0.2 < ρ1 ≤ 0.5, the rotation speed of the low-speed centrifuge 100 is adjusted to 1000 - 1500 r / min; when 0.5 < ρ1, the rotation speed of the low-speed centrifuge 100 is adjusted to 1500 - 1700 r / min.

[0042] More specifically, in S5, when the density difference ρ2 between the second density sensor 201 and the third density sensor 204 is less than or equal to 0.2, the high-speed centrifuge 200 stops rotating; when 0.2 < ρ2 ≤ 0.5, the rotation speed of the high-speed centrifuge 200 is adjusted to 3000 - 3500 r / min; when 0.5 < ρ2, the rotation speed of the high-speed centrifuge 200 is adjusted to 3500 - 3700 r / min.

[0043] In summary, the automated solids control integrated machine in the present invention is provided with a low-speed centrifuge 100 and a high-speed centrifuge 200, which reduces the volume of the solids control integrated machine; at the same time, the automated solids control integrated machine is also equipped with sensors, a control module 303, a display 302, etc., with a high degree of automation; a barite recovery tank 104 is provided on the low-speed centrifuge 100 to avoid waste of barite; a poor solid phase recovery tank 203 is provided on the high-speed centrifuge 200 to effectively remove poor solid phases, with a simple structure and high recovery efficiency.

[0044] This specification describes examples of embodiments of the present invention and does not mean that these embodiments illustrate and describe all possible forms of the present invention. It should be understood that the embodiments in the specification can be implemented in various alternative forms. The drawings do not need to be drawn to scale; some features can be enlarged or reduced to show details of specific components. The specific structural and functional details disclosed should not be construed as limiting, but are merely a representative basis for teaching those skilled in the art to implement the present invention in various forms. Those skilled in the art should understand that the multiple features described and illustrated with reference to any one of the drawings can be combined with the features illustrated in one or more other drawings to form embodiments not explicitly illustrated or described. The described combinations of features provide representative embodiments for typical applications. However, various combinations and variations of features consistent with the teachings of the present invention can be used for specific applications or implementations as needed.

[0045] The foregoing is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automated solids control integrated machine for efficiently recovering barite, characterized in that, A solids control integrated machine is provided with a low-speed centrifuge, a high-speed centrifuge, a first density sensor, a second density sensor, and a valve. The first density sensor and the valve are arranged on the first input pipeline of the low-speed centrifuge. The drilling fluid of the low-speed centrifuge flows into the high-speed centrifuge through the second input pipeline of the high-speed centrifuge. A barite recovery tank is arranged on the low-speed centrifuge, and a poor solid phase recovery tank is arranged on the high-speed centrifuge. The second density sensor is arranged on the second input pipeline. A third density sensor is arranged on the output pipeline of the high-speed centrifuge. The usage method of the automatic solids control integrated machine includes: S1: The first density sensor detects the density of the drilling fluid in the first input pipeline and transmits the detected data to the acquisition module. When the detected density of the first density sensor reaches a predetermined value, the control module opens the valve and the low-speed centrifuge motor. S2: Through the centrifugal action of the low-speed centrifuge, the high-density solid phase barite is thrown out from the barite recovery tank. S3: The drilling fluid flowing out of the low-speed centrifuge flows into the high-speed centrifuge through the second input pipeline. Compare the density values of the first density sensor and the second density sensor, and control the rotation speed of the low-speed centrifuge. S4: Through the centrifugal action of the high-speed centrifuge, the poor solid phase is thrown out through the poor solid phase recovery tank. S5: The fluid processed by the high-speed centrifuge flows into the mud tank through the output pipeline of the high-speed centrifuge for reuse. Compare the density values of the second density sensor and the third density sensor, and control the rotation speed of the high-speed centrifuge. When the density difference between the first density sensor and the second density sensor in S3 is reached, the low-speed centrifuge stops rotating; when is reached, the rotational speed of the low-speed centrifuge is adjusted to 1000 - 1500 r / min; when is reached, the rotational speed of the low-speed centrifuge is adjusted to 1500 - 1700 r / min; When the density difference between the second density sensor and the third density sensor in S5 is present, the high-speed centrifuge stops rotating; when is present, the rotational speed of the high-speed centrifuge is adjusted to 3000 - 3500 r / min; when is present, the rotational speed of the high-speed centrifuge is adjusted to 3500 - 3700 r / min; The low-speed centrifuge is equipped with a low-speed centrifuge motor, and a first rotation speed sensor is arranged on the transmission rod of the low-speed centrifuge motor. The high-speed centrifuge is equipped with a high-speed centrifuge motor, and a second rotation speed sensor is arranged on the transmission rod of the high-speed centrifuge motor.

2. The automated solids control integrated machine for efficiently recovering barite according to claim 1, characterized in that, The output pipeline of the high-speed centrifuge is connected to the mud tank.

3. The automated solids control integrated machine for efficiently recovering barite according to claim 1, wherein The solids control integrated machine is equipped with a control host, which includes a display, a control module, and an acquisition module. The control module is respectively connected to the display and the acquisition module, and the acquisition module is communicatively connected to the sensors in the solids control integrated machine.

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