Mud charging system of offshore drilling platform

Abstract

The utility model provides a mud charging system of an offshore drilling platform. The mud charging system comprises a low suction line; a high straw line; the slurry making system comprises a first slurry pool, a second slurry pool, a first mixing pump and a second mixing pump, the input end of the second mixing pump is connected with a second pipeline assembly, the end, away from the second mixing pump, of the second pipeline assembly is connected with the low suction pipeline, and the input end of the first mixing pump is connected with a first pipeline assembly; the end, away from the first mixing pump, of the first pipeline assembly is connected with a second pipeline assembly, the low suction pipeline is connected with a third pipeline assembly, and the end, away from the low suction pipeline, of the third pipeline assembly is connected with the first mud pool and the second mud pool. One end of the fourth pipeline assembly is connected with the first pipeline assembly, and the other end of the fourth pipeline assembly is connected with the first mud pit; one end of the fifth pipeline assembly is connected with the second pipeline assembly, and the other end of the fifth pipeline assembly is connected with the second mud pool; the grouting system is connected with the high suction pipeline, and the high suction pipeline is connected with the first mud pit and the second mud pit.

Description

Technical Field

[0001] The utility model relates to the technical field of offshore drilling platforms, in particular to a mud feeding system for offshore drilling platforms. Background Art

[0002] The platform mud pool outlet pipelines are low-suction and high-suction. Under normal operation, the high-suction pipeline is used as the suction pipeline of the perfusion pump to draw the circulating pool mud to supply the mud pump, and the low-suction pipeline is used as the suction pipeline of the mixing pump to prepare the slurry for other mud pools. There are two mixing pumps. Due to the limitation that there is only one suction pipeline, only one can be used normally and the other is spare. When one pump is used to prepare the mud, it is impossible to carry out operations such as weighting, circulation, and slurry replenishment in other mud pools.

[0003] Based on this, the utility model proposes a mud feeding system for an offshore drilling platform. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a mud feeding system for an offshore drilling platform.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A mud feeding system for an offshore drilling platform, comprising: a low-suction pipeline; a high-suction pipeline; a paddle making system, wherein the paddle making system comprises a mud pool 1, a mud pool 2, a mixing pump 1 and a mixing pump 2, wherein the input end of the mixing pump 2 is connected to a pipeline component 2, and the end of the pipeline component 2 away from the mixing pump 2 is connected to the low-suction pipeline, the input end of the mixing pump 1 is connected to the pipeline component 1, and the end of the pipeline component 1 away from the mixing pump 1 is connected to the pipeline component 2, the low-suction pipeline is connected to a pipeline component 3, and the end of the pipeline component 3 away from the low-suction pipeline is respectively connected to the mud pool 1 and the mud pool 2, the output end of the mixing pump 1 is connected to a pipeline component 7, and the pipeline component 7 One end away from the mixing pump one is connected to the mud pool one, the output end of the mixing pump two is connected to the pipeline component eight, the end of the pipeline component eight away from the mixing pump two is connected to the mud pool two, and the pipeline components seven and eight are respectively connected to feed hoppers; pipeline component four, one end of the pipeline component four is connected to the pipeline component one, and the other end of the pipeline component four is connected to the mud pool one; pipeline component five, one end of the pipeline component five is connected to the pipeline component two, and the other end of the pipeline component five is connected to the mud pool two; grouting system, the grouting system is connected to the high suction pipe line, and the high suction pipe line is respectively connected to the mud pool one and the mud pool two.

[0007] The pipeline component 2 includes a pipeline 2, one end of which is connected to the output end of the mixing pump 2, the other end of which is connected to the low-suction pipeline, and a butterfly valve D2 is installed on the pipeline 2. The pipeline component 1 includes a pipeline 1, one end of which is connected to the output end of the mixing pump 1, the other end of which is connected to the pipeline 2, and a butterfly valve D1 is installed on the pipeline 1. The pipeline component 3 includes a pipeline 3 and a pipeline 4, one end of which is connected to the low-suction pipeline respectively, the other end of which is connected to the mud pool 1 and the mud pool 2 respectively, and a butterfly valve D3 and a butterfly valve D4 are installed on the pipeline 3 and the pipeline 4 respectively.

[0008] The pipeline component four includes a pipeline five, one end of which is connected to the pipeline one, a butterfly valve D5 is installed on the pipeline five, and the butterfly valve D1 is located between the connection between the pipeline one and the pipeline five and the mixing pump one.

[0009] The pipeline component five includes a pipeline six, one end of which is connected to the pipeline two, a butterfly valve D6 is installed on the pipeline six, and the butterfly valve D2 is located between the connection between the pipeline two and the pipeline six and the mixing pump two.

[0010] The grouting system includes: a grouting pump, the input end of the grouting pump is connected to a pipeline seven, the end of the pipeline seven away from the grouting pump is connected to the high suction pipeline, a butterfly valve D7 is installed on the pipeline seven, the high suction pipeline is respectively connected to a pipeline eight and a pipeline nine, the ends of the pipeline eight and the pipeline nine away from the high suction pipeline are respectively connected to the mud pool one and the mud pool two, butterfly valves D8 and D9 are installed on the pipeline eight and the pipeline nine; a mud pump, the output end of the grouting pump is connected to a pipeline ten, the end of the pipeline ten away from the grouting pump is connected to the input end of the mud pump, and a butterfly valve D10 is installed on the pipeline ten.

[0011] The high suction line is connected to a pipeline 11, one end of the pipeline 11 away from the high suction line is connected to the pipeline 10, and a butterfly valve D11 is installed on the pipeline 11.

[0012] The pipeline assembly seven includes a pipeline twelve, on which a butterfly valve D12 is installed. One end of the pipeline twelve is connected to the output end of the mixing pump one, and the other end of the pipeline twelve is connected to the mud pool one.

[0013] The pipeline assembly eight includes a pipeline thirteen, on which a butterfly valve D13 is installed. One end of the pipeline thirteen is connected to the output end of the mixing pump two, and the other end of the pipeline thirteen is connected to the mud pool two. The two feed hoppers are respectively connected to the pipeline twelve and the pipeline thirteen.

[0014] Two pipeline components nine are connected between the pipeline twelve and the pipeline thirteen. The pipeline components nine are distributed on both sides of the feed hopper. The pipeline component nine includes a pipeline fourteen, and a butterfly valve D14 is installed on the pipeline fourteen.

[0015] A butterfly valve D15 is also installed on the pipeline 2, and the butterfly valve D15 is located between the connection between the pipeline 1 and the pipeline 2 and the connection between the pipeline 6 and the pipeline 2.

[0016] Beneficial effects of the utility model:

[0017] The utility model discloses an offshore drilling platform mud feeding system, which is connected to mud pool one and mud pool two respectively through arranged pipeline assembly four and pipeline assembly five. When one mixing pump is in use, the other mixing pump can operate on other mud pools, thus forming two independent pipelines, improving equipment utilization rate and improving platform feeding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a block diagram of a mud feeding system for an offshore drilling platform according to an embodiment of the utility model;

[0019] Description of reference numerals:

[0020] 1- low suction pipeline; 2- high suction pipeline; 3- mud pool one; 4- mud pool two; 5- mixing pump one; 6- mixing pump two; 7- pipeline one; 8- pipeline two; 9- pipeline three; 10- pipeline four; 11- pipeline five; 12- pipeline six; 13- filling pump; 14- pipeline seven; 15- pipeline eight; 16- pipeline nine; 17- mud pump; 18- pipeline ten; 19- pipeline eleven; 20- pipeline twelve; 21- pipeline thirteen; 22- pipeline fourteen; 23- feed hopper. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1 As shown, a mud feeding system for an offshore drilling platform according to an embodiment of the utility model comprises a low suction pipeline 1, a high suction pipeline 2, a paddle making system, a pipeline component four, a pipeline component five and a grouting system.

[0023] The paddle making system includes a mud pool 1 3, a mud pool 2 4, a mixing pump 1 5 and a mixing pump 2 6, the input end of the mixing pump 2 6 is connected to a pipeline component 2, the end of the pipeline component 2 away from the mixing pump 2 6 is connected to the low-suction pipeline 1, the input end of the mixing pump 1 5 is connected to a pipeline component 1, the end of the pipeline component 1 away from the mixing pump 1 5 is connected to the pipeline component 2, the low-suction pipeline 1 is connected to a pipeline component 3, the end of the pipeline component 3 away from the low-suction pipeline 1 is respectively connected to the mud pool 1 3 and the mud pool 2 4, the output end of the mixing pump 1 5 is connected to a pipeline component 7, the end of the pipeline component 7 away from the mixing pump 1 5 is connected to the mud pool 1 3, the output end of the mixing pump 2 6 is connected to a pipeline component 8, the end of the pipeline component 8 away from the mixing pump 2 6 is connected to the mud pool 2 4, and the pipeline component 7 and the pipeline component 8 are respectively connected to a feed hopper 23.

[0024] One end of the pipeline component 4 is connected to the pipeline component 1, and the other end of the pipeline component 4 is connected to the mud pool 1 3. One end of the pipeline component 5 is connected to the pipeline component 2, and the other end of the pipeline component 5 is connected to the mud pool 2 4. The grouting system is connected to the high suction line 2, and the high suction line 2 is connected to the mud pool 1 3 and the mud pool 2 4 respectively.

[0025] In one embodiment of the utility model, the pipeline component seven includes a pipeline twelve 20, on which a butterfly valve D12 is installed, one end of the pipeline twelve 20 is connected to the output end of the mixing pump one 5, and the other end of the pipeline twelve 20 is connected to the mud pool one 3. The pipeline component eight includes a pipeline thirteen 21, on which a butterfly valve D13 is installed, one end of the pipeline thirteen 21 is connected to the output end of the mixing pump two 6, and the other end of the pipeline thirteen 21 is connected to the mud pool two 4, and the two feed hoppers 23 are respectively connected to the pipeline twelve 20 and the pipeline thirteen 21. Two pipeline components nine are connected between the pipeline twelve 20 and the pipeline thirteen 21, and the pipeline components nine are distributed on both sides of the feed hopper 23. The pipeline component nine includes a pipeline fourteen 22, on which a butterfly valve D14 is installed. A butterfly valve D15 is also installed on the pipeline 2 8 , and the butterfly valve D15 is located between the connection between the pipeline 1 7 and the pipeline 2 8 and the connection between the pipeline 6 12 and the pipeline 2 8 .

[0026] The material enters into pipeline 12 20 and pipeline 13 21 through feed hopper 23, and then flows into mud pool 1 3 and mud pool 2 4. Mixing pump 1 5 and mixing pump 2 6 then extract the mixed material in mud pool 1 3 and mud pool 2 4 for circulation. When mixing pump 1 5 and mixing pump 2 6 are used at the same time, butterfly valve D3, butterfly valve D4, butterfly valve D14 and butterfly valve D15 are closed, and mixing pump 1 5 and mixing pump 2 6 form two independent pipelines, so that different muds can be prepared.

[0027] In one embodiment of the present invention, Figure 1 As shown, the pipeline component two may include a pipeline two 8, one end of which is connected to the input end of the mixing pump two 6, the other end of which is connected to the low-suction pipeline 1, and a butterfly valve D2 is installed on the pipeline two 8. The pipeline component one includes a pipeline one 7, one end of which is connected to the input end of the mixing pump one 5, the other end of which is connected to the pipeline two 8, and a butterfly valve D1 is installed on the pipeline one 7. The pipeline component three includes a pipeline three 9 and a pipeline four 10, one end of which is connected to the low-suction pipeline 1, respectively, and the other ends of which are connected to the mud pool one 3 and the mud pool two 4, respectively, and the pipeline three 9 and the pipeline four 10 are respectively installed with a butterfly valve D3 and a butterfly valve D4.

[0028] In the embodiment of the utility model, when the mixing pump 1 5 and the mixing pump 2 6 are used at the same time, the butterfly valve D1 , the butterfly valve D2 , the butterfly valve D3 , the butterfly valve D4 , the butterfly valve D5 and the butterfly valve D6 are opened at the same time.

[0029] In one embodiment of the present invention, Figure 1 As shown, the pipeline assembly 4 may include a pipeline 5 11, one end of which is connected to the pipeline 1 7, a butterfly valve D5 is installed on the pipeline 5 11, and the butterfly valve D1 is located between the connection between the pipeline 1 7 and the pipeline 5 11 and the mixing pump 1 5. The pipeline assembly 5 includes a pipeline 6 12, one end of which is connected to the pipeline 2 8, a butterfly valve D6 is installed on the pipeline 6 12, and the butterfly valve D2 is located between the connection between the pipeline 2 8 and the pipeline 6 12 and the mixing pump 2 6.

[0030] In one embodiment of the present invention, Figure 1As shown, the grouting system may include a grouting pump 13 and a mud pump 17, wherein the input end of the grouting pump 13 is connected to a pipeline seven 14, the end of the pipeline seven 14 away from the grouting pump 13 is connected to the high suction pipeline 2, a butterfly valve D7 is installed on the pipeline seven 14, the high suction pipeline 2 is respectively connected to a pipeline eight 15 and a pipeline nine 16, the ends of the pipeline eight 15 and the pipeline nine 16 away from the high suction pipeline 2 are respectively connected to the mud pool one 3 and the mud pool two 4, butterfly valves D8 and D9 are installed on the pipeline eight 15 and the pipeline nine 16; the output end of the grouting pump 13 is connected to a pipeline ten 18, the end of the pipeline ten 18 away from the grouting pump 13 is connected to the input end of the mud pump 17, and a butterfly valve D10 is installed on the pipeline ten 18.

[0031] In the embodiment of the utility model, when the perfusion pump 13 supplies liquid to the mud pump 17, the butterfly valve D11 is closed, the butterfly valve D10 and the butterfly valve D7 are opened, and the mud pool 13 or the mud pool 24 is selected for liquid supply. If the mud pool 13 is selected, the butterfly valve D8 is opened, and if the mud pool 24 is selected, the butterfly valve D9 is opened, and the perfusion pump 13 transports the liquid in the mud pool to the mud pump 17 through the high suction pipeline 2.

[0032] In one embodiment of the present invention, Figure 1 As shown, the high suction line 2 is connected to a pipe 11 19 , one end of the pipe 11 19 away from the high suction line 2 is connected to the pipe 18 , and a butterfly valve D11 is installed on the pipe 11 19 .

[0033] In the embodiment of the utility model, when encountering special circumstances, such as when the perfusion pump 13 is damaged, the butterfly valve D11 is opened and the butterfly valve D10 and the butterfly valve D7 are closed, and the material in the mud pool is directly extracted through the mud pump 17, and the material enters the pipeline eleven 19 through the high suction line 2.

[0034] According to the offshore drilling platform mud feeding system of the embodiment of the utility model, the pipeline assembly 4 and the pipeline assembly 5 are respectively connected to the mud pool 1 3 and the mud pool 2 4. When one of the mixing pumps is in use, the other mixing pump can operate on the other mud pools, forming two independent pipelines, thereby improving the equipment utilization rate and the platform feeding efficiency.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, various modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A mud feeding system for an offshore drilling platform, characterized in that: include: Low suction line; High suction line; A paddle making system, the paddle making system comprises a mud pool 1, a mud pool 2, a mixing pump 1 and a mixing pump 2, the input end of the mixing pump 2 is connected with a pipeline component 2, the end of the pipeline component 2 away from the mixing pump 2 is connected to the low-suction pipeline, the input end of the mixing pump 1 is connected with a pipeline component 1, the end of the pipeline component 1 away from the mixing pump 1 is connected to the pipeline component 2, the low-suction pipeline is connected with a pipeline component 3, the end of the pipeline component 3 away from the low-suction pipeline is respectively connected to the mud pool 1 and the mud pool 2, the output end of the mixing pump 1 is connected with a pipeline component 7, the end of the pipeline component 7 away from the mixing pump 1 is connected to the mud pool 1, the output end of the mixing pump 2 is connected with a pipeline component 8, the end of the pipeline component 8 away from the mixing pump 2 is connected to the mud pool 2, and the pipeline component 7 and the pipeline component 8 are respectively connected to feed hoppers; Pipeline component 4, one end of which is connected to the pipeline component 1, and the other end of which is connected to the mud pool 1; Pipeline component 5, one end of which is connected to the pipeline component 2, and the other end of which is connected to the mud pool 2; A grouting system, wherein the grouting system is connected to the high suction pipe line, and the high suction pipe line is respectively connected to the mud pool one and the mud pool two.

2. The offshore drilling platform mud feeding system according to claim 1, characterized in that: The pipeline component 2 includes a pipeline 2, one end of which is connected to the input end of the mixing pump 2, the other end of which is connected to the low-suction pipeline, and a butterfly valve D2 is installed on the pipeline 2. The pipeline component 1 includes a pipeline 1, one end of which is connected to the input end of the mixing pump 1, the other end of which is connected to the pipeline 2, and a butterfly valve D1 is installed on the pipeline 1. The pipeline component 3 includes a pipeline 3 and a pipeline 4, one end of which is connected to the low-suction pipeline respectively, the other end of which is connected to the mud pool 1 and the mud pool 2 respectively, and a butterfly valve D3 and a butterfly valve D4 are installed on the pipeline 3 and the pipeline 4 respectively.

3. The offshore drilling platform mud feeding system according to claim 2, characterized in that: The pipeline component four includes a pipeline five, one end of which is connected to the pipeline one, a butterfly valve D5 is installed on the pipeline five, and the butterfly valve D1 is located between the connection between the pipeline one and the pipeline five and the mixing pump one.

4. The offshore drilling platform mud feeding system according to claim 3, characterized in that: The pipeline component five includes a pipeline six, one end of which is connected to the pipeline two, a butterfly valve D6 is installed on the pipeline six, and the butterfly valve D2 is located between the connection between the pipeline two and the pipeline six and the mixing pump two.

5. The offshore drilling platform mud feeding system according to claim 4, characterized in that: The grouting system comprises: A perfusion pump, wherein the input end of the perfusion pump is connected to a pipeline seven, an end of the pipeline seven away from the perfusion pump is connected to the high suction line, a butterfly valve D7 is installed on the pipeline seven, pipeline eight and pipeline nine are respectively connected to the high suction line, an end of the pipeline eight and pipeline nine away from the high suction line is respectively connected to the mud pool one and the mud pool two, and butterfly valves D8 and D9 are installed on the pipeline eight and pipeline nine; A mud pump, wherein the output end of the perfusion pump is connected to a pipe 10, an end of the pipe 10 away from the perfusion pump is connected to the input end of the mud pump, and a butterfly valve D10 is installed on the pipe 10.

6. The offshore drilling platform mud feeding system according to claim 5, characterized in that: The high suction line is connected to a pipeline 11, an end of the pipeline 11 away from the high suction line is connected to the pipeline 10, and a butterfly valve D11 is installed on the pipeline 11.

7. The offshore drilling platform mud feeding system according to claim 6, characterized in that: The pipeline assembly seven includes a pipeline twelve, on which a butterfly valve D12 is installed. One end of the pipeline twelve is connected to the output end of the mixing pump one, and the other end of the pipeline twelve is connected to the mud pool one.

8. The offshore drilling platform mud feeding system according to claim 7, characterized in that: The pipeline assembly eight includes a pipeline thirteen, on which a butterfly valve D13 is installed. One end of the pipeline thirteen is connected to the output end of the mixing pump two, and the other end of the pipeline thirteen is connected to the mud pool two. The two feed hoppers are respectively connected to the pipeline twelve and the pipeline thirteen.

9. The offshore drilling platform mud feeding system according to claim 8, characterized in that: Two pipeline components nine are connected between the pipeline twelve and the pipeline thirteen. The pipeline components nine are distributed on both sides of the feed hopper. The pipeline component nine includes a pipeline fourteen, and a butterfly valve D14 is installed on the pipeline fourteen.

10. The offshore drilling platform mud feeding system according to claim 9, characterized in that: A butterfly valve D15 is also installed on the pipeline 2, and the butterfly valve D15 is located between the connection between the pipeline 1 and the pipeline 2 and the connection between the pipeline 6 and the pipeline 2.

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