CN107975350B - Drilling plug pumping operation equipment - Google Patents
Drilling plug pumping operation equipment Download PDFInfo
- Publication number
- CN107975350B CN107975350B CN201810030242.3A CN201810030242A CN107975350B CN 107975350 B CN107975350 B CN 107975350B CN 201810030242 A CN201810030242 A CN 201810030242A CN 107975350 B CN107975350 B CN 107975350B
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- liquid
- mixing tank
- mixing
- power
- pumping
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- 238000005086 pumping Methods 0.000 title claims abstract description 47
- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 89
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
Abstract
The mixing tank on the drilling plug pump sled is arranged in the middle of the sled frame; the pumping system is arranged at the left side of the mixing tank; the power system comprises two driving motors, and is arranged on the right side of the mixing tank to provide power for the pumping system; one end of the transmission system is connected with the output end of the power system, and the other end of the transmission system is connected with the power input end of the pumping system; the liquid adding system injects the liquid additive into the mixing tank below the mixing tank; the dry-adding mixing system is arranged on the right side of the power system, and base liquid and dry powder additives are injected into the mixing tank; the control system performs centralized control on the drilling plug pump pry; the VFD control room converts the high-voltage network electricity of 10KV at the well site into alternating current and direct current suitable for equipment, and supplies power for the drilling plug pump pry. The invention adopts the well site electricity as a power source, integrates the functions of continuous mixing, supplying and pumping of drilling and plugging fluid on one sledge, and solves the problems of large occupied well site area, low operation efficiency and high operation cost.
Description
Technical Field
The invention relates to the field of oil drilling, production and well repair and well completion operation equipment, in particular to drilling, plugging and pumping operation equipment suitable for drilling and plugging operation.
Background
In recent years, with the successful realization of commercial development of shale gas and tight oil, the development mode of 'horizontal well + volume fracturing' has been widely accepted at home and abroad, the reservoir reformation of the tight oil layer horizontal well gradually develops towards the direction of large discharge capacity and large liquid amount, the conventional staged fracturing reformation process can not completely meet the production requirement, and the drilling and milling bridge plug is a key technology for solving the subsequent problem of staged fracturing of the horizontal well, and is currently carried out by adopting a continuous pipe grinding and drilling process technology which is generally adopted at home and abroad.
In the process of developing shale gas in Fuling areas, a large amount of coiled tubing equipment is used for drilling and milling bridge plugs in China, but 2 high-power fracturing pump trucks, 1 liquid distribution truck and 1 liquid supply truck are generally used as replacing equipment due to lack of matched drilling and plugging pumping equipment, so that a large amount of personnel and equipment are wasted.
Disclosure of Invention
The invention aims at: the drilling plug pumping operation equipment adopts well site electricity as a power source, integrates the continuous mixing, feeding and pumping functions of drilling plug liquid onto one sledge, and solves the problems of large occupied well site area, low operation efficiency and high operation cost.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
drilling, plugging and pumping operation equipment is characterized in that: the device comprises a drilling plug pump sled 1 and a VFD control room 2, wherein the drilling plug pump sled 1 comprises a sled frame 3, and a mixing tank 4, a power system 5, a transmission system 6, a pumping system 7, a liquid adding system 8, a dry adding mixing system 9 and a control system 10 which are integrally arranged on the sled frame 3, the mixing tank 4 is arranged in the middle of the sled frame 3, and liquid is uniformly mixed in the mixing tank 4; the pumping system 7 is arranged at the left side of the mixing tank 4 and pumps out the mixed liquid under pressure; the power system 5 comprises two driving motors 36, and the power system 5 is arranged on the right side of the mixing tank 4 and provides power for the pumping system 7; one end of the transmission system 6 is connected with the output end of the power system 5, the other end of the transmission system 6 is connected with the power input end of the pumping system 7, and the transmission system 6 transmits the output power of the power system 5 to the pumping system 7; the liquid adding system 8 is arranged below the mixing tank, the suction inlet of the liquid adding system 8 is connected with an external liquid tank, the discharge outlet of the liquid adding system 8 is connected with the suction inlet of the mixing tank 4, and the liquid adding system 8 injects liquid additive into the mixing tank 4; the dry-adding mixing system 9 is arranged on the right side of the power system 5, the exhaust port of the dry-adding mixing system 9 is connected with the suction port of the mixing tank 4, and the dry-adding mixing system 9 injects the base liquid and the dry powder additive into the mixing tank 4; the control system 10 is arranged beside the dry-adding mixing system 9 and is used for controlling the drilling plug pump sled 1 in a centralized manner; the VFD control room 2 converts high-voltage network electricity of 10KV at the well site into alternating current and direct current suitable for equipment, and supplies power for the drilling plug pump sled 1.
The dry-adding mixing system 9 comprises a storage tank 11, a screw conveyor 12, an electronic weighing system 13, a jet mixer 14, a flowmeter 15, a regulating valve 16, a jet centrifugal pump 17 and a jet pump motor 18; an electronic weighing system 13 is arranged at the bottom of the storage tank 11, and the discharge outlet of the storage tank 11 is connected with the inlet of the screw conveyor 12; the jet mixer 14 has two inlets and one outlet, one of which is connected to the outlet of the screw conveyor 12, and the other inlet of the jet mixer 14 is connected to the outlet of the jet centrifugal pump 17; a flow meter 15 and a regulating valve 16 are installed between the discharge port of the jet centrifugal pump 17 and the inlet of the jet mixer 14; the discharge port of the jet mixer 14 is connected to a liquid addition port 21 in the mixing tank 4.
The top of the mixing tank 4 is provided with two stirrers 19 and a high-low liquid level meter, the inside of the mixing tank 4 is provided with a baffle plate 25 which is arranged in a staggered way, and the mixing tank 4 is provided with a liquid outlet 23 connected with a pumping system and a liquid adding port 21 connected with a liquid adding system 8 and a dry adding mixing system 9.
The pumping system 7 comprises two five-cylinder plunger pumps 27; the power end lubricating pump 29 and the hydraulic end lubricating pump 32 are driven by electricity; the pumping system 7 comprises a pouring centrifugal pump 35, wherein the discharge outlet of the pouring centrifugal pump 35 is connected with the suction end of the five-cylinder plunger pump 27, and the suction inlet of the pouring centrifugal pump 35 can be connected with the liquid discharge outlet 23 of the mixing tank 4 and an external liquid supply tank.
The control system 10 controls the pumping displacement of the pumping system 7, the dry addition amount of the dry addition mixing system 9, and the liquid addition amount of the liquid addition system 8, and has an operation parameter display function, an abnormal condition alarm function, and an operation data storage function.
The beneficial effects of the invention are as follows:
1. the invention integrates the functions of continuous mixing, feeding, pumping and the like of drilling and plugging liquid;
2. the invention fully utilizes the well site electricity and adopts the full electric drive design to achieve the purposes of energy conservation and emission reduction;
3. according to the invention, 2 1000 five-cylinder plunger pumps are arranged back to back on the whole sledge, one sledge realizes the functions of one pump injection and one preparation, and the requirement of long-time continuous pump injection circulation in drilling and milling bridge plug operation is met;
4. the invention is provided with a small-dose accurate dry-adding and liquid-adding system, realizes the continuous mixing of drilling and plugging liquid with small discharge capacity, and solves the problem that the drilling and plugging liquid needs to be mixed in advance during the drilling and plugging operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of a drill plug pump sled;
FIG. 3 is a schematic diagram of a dry-add mixing system;
FIG. 4 is a schematic diagram of a mixing tank configuration;
fig. 5 is a schematic diagram of a pumping system.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in figure 1, the drilling plug pumping equipment comprises a drilling plug pump sled 1 and a VFD control room 2, wherein the VFD control room 2 converts high-voltage network electricity of 10KV in a well site into alternating current and direct current suitable for the equipment, and supplies power to the drilling plug pump sled 1.
As shown in fig. 2, the drill pump sled 1 includes: the skid 3, a mixing tank 4 integrally installed on the skid 3, a power system 5, a transmission system 6, a pumping system 7, a liquid adding system 8, a dry adding mixing system 9, a control system 10 and the like. The mixing tank 4 is arranged in the middle of the prying frame 3, and liquid is uniformly mixed in the mixing tank 4; the pumping system 7 is arranged at the left side of the mixing tank 4, and the pumping system 7 pumps out the mixed liquid under pressure; the power system 5 is arranged on the right side of the mixing tank 4, and the power system 5 provides power for the pumping system 7; one end of the transmission system 6 is connected with the output end of the power system 5, the other end of the transmission system 6 is connected with the power input end of the pumping system 7, and the transmission system 6 transmits the output power of the power system 5 to the pumping system 7; the liquid adding system 8 is arranged below the mixing tank, the suction inlet of the liquid adding system 8 is connected with an external liquid tank, the discharge outlet of the liquid adding system is connected with the suction inlet of the mixing tank 4, and the liquid adding system 8 can inject liquid additives into the mixing tank 4 according to actual requirements in a certain proportion; the dry-adding mixing system 9 is arranged on the right side of the power system 5, the exhaust port of the dry-adding mixing system 9 is connected with the suction port of the mixing tank 4, and the dry-adding mixing system 9 can inject the base liquid and the dry powder additive into the mixing tank 4 according to actual requirements in a certain proportion; the control system 10 is installed beside the dry-add mixing system 9 and serves to control the drill plug pump sled 1 centrally.
As shown in fig. 3, the dry-addition mixing system 9 includes: a storage tank 11, a screw conveyor 12, an electronic weighing system 13, a jet mixer 14, a flow meter 15, a regulating valve 16, a jet centrifugal pump 17 and a jet pump motor 18. The jet centrifugal pump 17 pressurizes the liquid in the external liquid storage tank and then sends the pressurized liquid to the jet mixer 14; the jet mixer 14 utilizes the venturi principle to suck dry powder drag reducer conveyed to the inlet of the jet mixer 4 by the screw conveyor 12 in the storage tank 11 into the mixing cavity for mixing, and the mixed liquid is discharged to the mixing tank 4.
As shown in fig. 4, the mixing tank 4 includes: stirrer 19, tank 20, liquid addition port 21, tank base 22, liquid discharge port 23, level gauge 24, partition 25, top pedal 26. A liquid adding port 21 is arranged at the inlet of the mixing tank 4, and the liquid adding system 8 adds a liquid drag reducer into the tank body 20 through the liquid adding port 21; the stirrer 19 stirs and mixes the liquid drag reducer and drag reducer; baffles 25 are staggered in the tank to enable the liquid to flow according to a certain route; a level gauge 24 is mounted on the top pedal, the level gauge 24 having a high-low level warning function.
As shown in fig. 5, the pumping system 7 includes: a five-cylinder plunger pump 27, a high-pressure discharge manifold 28, a power end lubricating pump 29, a power end lubricating oil tank 30, a hydraulic end lubricating oil tank 31, a hydraulic end lubricating pump 32, a low-pressure manifold 33, a priming pump motor 34 and a priming centrifugal pump 35. The power end lubricating oil tank 30 and the power end lubricating pump 29 provide lubrication for the power end of the five-cylinder plunger pump 27; the hydraulic end lubricating oil tank 31 and the hydraulic end lubricating pump 32 provide lubrication for the hydraulic end of the five-cylinder plunger pump 27; the suction inlet of the priming centrifugal pump 35 is connected with the liquid discharge outlet 23 of the mixing tank 4; the mixed drag reduction liquid in the mixing tank 4 is pressurized by the filling centrifugal pump 35 and then is conveyed to a suction pipe of the five-cylinder plunger pump 27 through the low-pressure manifold 33, pressurized and discharged by the plunger pump for oil and gas field drilling and plugging operation.
The control system 10 can control the pumping displacement of the pumping system 7, the dry addition amount of the dry addition mixing system 9, and the liquid addition amount of the liquid addition system 8, and has an operation parameter display function, an abnormal condition alarm function, and an operation data storage function.
The specific working flow of the whole machine is as follows:
the VFD control room 2 converts high-voltage network electricity of 10KV at the well site into alternating current and direct current suitable for equipment, and supplies power for the drilling plug pump sled 1.
By means of centralized control of the control system 10, the liquid additive is injected into the mixing tank 4 by the liquid additive adding system 8 according to a certain set proportion, the dry additive mixing system 9 injects the base liquid and the dry additive into the mixing tank 4 according to a certain set proportion under the combined action of the storage tank 11, the screw conveyor 12, the electronic weighing system 13, the jet mixer 14, the flow meter 15, the regulating valve 16, the jet centrifugal pump 17 and the jet pump motor 18, the control system 10 enables the base liquid, the liquid additive and the dry powder additive in the mixing tank 4 to be uniformly mixed by regulating the rotating speed of the stirring motor 19 on the mixing tank 4, then the pouring pump motor 34 in the pumping system 7 drives the pouring centrifugal pump 35 to pump the uniformly mixed liquid in the mixing tank 4 to the five-cylinder plunger pump 27 in the pumping system 7 under the control of the control system 10, and meanwhile, the power system 5 transmits power of the driving motor 36 to the five-cylinder plunger pump 27 through the transmission system 6 so that the uniformly mixed liquid is pumped and pressurized by the five-cylinder plunger pump 27 and discharged to a designated operation position through the high pressure discharge pipe 28 under the control of the control system 10.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (2)
1. Drilling, plugging and pumping operation equipment is characterized in that: the device comprises a drilling plug pump sled (1) and a VFD control room (2), wherein the drilling plug pump sled (1) comprises a sled frame (3) and a mixing tank (4), a power system (5), a transmission system (6), a pumping system (7), a liquid adding system (8), a dry adding mixing system (9) and a control system (10) which are integrally arranged on the sled frame (3), the mixing tank (4) is arranged in the middle of the sled frame (3), and liquid is uniformly mixed in the mixing tank (4); the pumping system (7) is arranged at the left side of the mixing tank (4) and pumps out the mixed liquid under pressure; the power system (5) comprises two driving motors (36), and the power system (5) is arranged on the right side of the mixing tank (4) and provides power for the pumping system (7); one end of the transmission system (6) is connected with the output end of the power system (5), the other end of the transmission system is connected with the power input end of the pumping system (7), and the transmission system (6) transmits the output power of the power system (5) to the pumping system (7); the liquid adding system (8) is arranged below the mixing tank, the suction inlet of the liquid adding system is connected with an external liquid tank, the discharge outlet of the liquid adding system is connected with the suction inlet of the mixing tank (4), and the liquid adding system (8) injects liquid additive into the mixing tank (4); the dry adding and mixing system (9) is arranged on the right side of the power system (5), the exhaust port of the dry adding and mixing system is connected with the suction port of the mixing tank (4), and the dry adding and mixing system (9) injects the base liquid and the dry powder additive into the mixing tank (4); the control system (10) is arranged beside the dry-adding mixing system (9) and is used for controlling the drilling plug pump sled (1) in a centralized manner; the VFD control room (2) converts high-voltage network electricity of 10KV in a well site into alternating current and direct current applicable to equipment, and supplies power for the drilling plug pump pry (1); the dry-adding mixing system (9) comprises a storage tank (11), a screw conveyor (12), an electronic weighing system (13), a jet mixer (14), a flowmeter (15), a regulating valve (16), a jet centrifugal pump (17) and a jet pump motor (18); an electronic weighing system (13) is arranged at the bottom of the storage tank (11), and the discharge outlet of the storage tank (11) is connected with the inlet of the screw conveyor (12); the jet mixer (14) is provided with two inlets and one outlet, wherein one inlet is connected with the outlet of the screw conveyor (12), and the other inlet of the jet mixer (14) is connected with the outlet of the jet centrifugal pump (17); a flowmeter (15) and a regulating valve (16) are arranged between the outlet of the jet centrifugal pump (17) and the inlet of the jet mixer (14); the discharge outlet of the jet mixer (14) is connected with a liquid adding port (21) in the mixing tank (4); two stirrers (19) and a high-low liquid level meter are arranged at the top of the mixing tank (4), a partition board (25) is arranged in the mixing tank (4) in a staggered mode, and a liquid outlet (23) connected with a pumping system and a liquid adding port (21) connected with a liquid adding system (8) and a dry adding mixing system (9) are arranged on the mixing tank (4); the pumping system (7) comprises two five-cylinder plunger pumps (27); the power end lubricating pump (29) and the hydraulic end lubricating pump (32) are driven by electricity; the pumping system (7) comprises a pouring centrifugal pump (35), the discharge outlet of the pouring centrifugal pump (35) is connected with the suction end of the five-cylinder plunger pump (27), and the suction inlet of the pouring centrifugal pump (35) can be connected with the liquid discharge outlet (23) of the mixing tank (4) and also connected with an external liquid supply tank.
2. A drilling, plugging and pumping operation device according to claim 1, wherein: the control system (10) controls the pumping displacement of the pumping system (7), the dry adding amount of the dry adding mixing system (9) and the liquid adding amount of the liquid adding system (8), and has an operation parameter display function, an abnormal condition alarm function and an operation data storage function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030242.3A CN107975350B (en) | 2018-01-12 | 2018-01-12 | Drilling plug pumping operation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030242.3A CN107975350B (en) | 2018-01-12 | 2018-01-12 | Drilling plug pumping operation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975350A CN107975350A (en) | 2018-05-01 |
| CN107975350B true CN107975350B (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810030242.3A Active CN107975350B (en) | 2018-01-12 | 2018-01-12 | Drilling plug pumping operation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975350B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213052B (en) * | 2018-10-30 | 2023-10-27 | 中石化四机石油机械有限公司 | Control system applied to drilling plug pumping |
| WO2021012133A1 (en) * | 2019-07-20 | 2021-01-28 | 烟台杰瑞石油装备技术有限公司 | Electric drive compounding device |
| CN111359127A (en) * | 2020-04-21 | 2020-07-03 | 徐工集团工程机械股份有限公司 | Three-phase jet fire-fighting system and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN107975350A (en) | 2018-05-01 |
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