CN212017784U - Production device for drilling fluid plugging agent - Google Patents
Production device for drilling fluid plugging agent Download PDFInfo
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- CN212017784U CN212017784U CN202020107059.1U CN202020107059U CN212017784U CN 212017784 U CN212017784 U CN 212017784U CN 202020107059 U CN202020107059 U CN 202020107059U CN 212017784 U CN212017784 U CN 212017784U
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Abstract
The utility model discloses a production device for a plugging agent for drilling fluid, which comprises a mixing tank, wherein the top of the mixing tank is provided with a feed inlet, the feed inlet is provided with a cover, a stirring rod is arranged in the mixing tank and is arranged on a stirring rotating shaft, and the stirring rotating shaft is communicated with a stirring motor arranged outside the mixing tank in a transmission way; the bottom of the mixing tank is provided with a discharge port, the discharge port is also connected with a material storage tank pipeline through a delivery pump and is provided with a control valve, the material storage tank is arranged at the top of the mixing tank, and the bottom of the material storage tank is communicated with the mixing tank and is provided with a control valve; the utility model has the advantages that: the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to a preparation equipment of viscosity breaker, specifically speaking are a apparatus for producing that is used for lost circulation additive for drilling fluid belongs to the preparation equipment field of viscosity breaker.
Background
Drilling loss is a difficult problem since drilling. Once the well leakage occurs, the well drilling time is delayed, drilling fluid is lost, an oil-gas layer is damaged, geological logging work is disturbed, the well drilling cost is increased, a series of complex conditions such as drilling sticking, blowout, well collapse and the like are easily caused, even the well is scrapped, and huge economic loss is caused. The invention discloses a preparation method of a plugging agent for drilling fluid, which is a Chinese patent with the application number of CN201410601864.9, discloses a preparation method of a plugging agent for drilling fluid, is suitable for plugging agents of large-crack and karst-cave leakage stratum, and belongs to the technical field of oil field chemical drilling fluid treatment agents. The preparation method of the plugging agent for the drilling fluid comprises the following steps: (1) adjusting the pH value of an organic monomer aqueous solution to 8-9, adding a dispersing agent, and stirring to form a dispersed phase; adding the dispersion phase into white oil, emulsifying for 20-30 min, heating to 40-50 ℃, introducing nitrogen for 30min, stirring uniformly, then dropwise adding an initiator, continuously introducing nitrogen for 10-20 min, and standing for 5-8 h to react to form a high-molecular polymer emulsion A; (2) and (2) adding the phase transfer agent B, the cross-linking agent C and the inert bridging plugging material D into the A prepared in the step (1) in sequence, and mixing uniformly to obtain the plugging agent for the drilling fluid. However, the method lacks special production equipment, and the production efficiency is low by adopting conventional equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model designs a apparatus for producing for lost circulation additive for drilling fluid has improved production efficiency, has reduced manufacturing cost.
The technical scheme of the utility model is that:
a production device for a plugging agent for drilling fluid comprises a mixing tank, wherein a feed inlet is formed in the top of the mixing tank, a cover is arranged on the feed inlet, a stirring rod is arranged in the mixing tank and arranged on a stirring rotating shaft, the stirring rotating shaft is communicated with a stirring motor arranged outside the mixing tank in a transmission manner, and the stirring rotating shaft is driven by the stirring motor to stir and mix materials in the mixing tank; the bottom of blending tank is equipped with the discharge gate, the discharge gate still links to each other through delivery pump and storage tank pipeline to be equipped with the control valve, the storage tank sets up the top of blending tank, just the bottom of storage tank with the blending tank is linked together, and is equipped with control flap, can control its through control flap and open and close to and the size of flow.
Furthermore, the side wall of the mixing tank is of a double-layer jacket structure and is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid inlet are respectively connected with a water source pipeline through a circulating pump, the water source is a tap water source and a hot water source such as boiler wastewater, industrial high-temperature wastewater and the like, and the materials in the mixing tank can be respectively subjected to cold water cooling or hot water bath heating treatment.
Furthermore, a temperature sensor is arranged in the mixing tank, the output end of the temperature sensor is electrically connected with the input end of the controller, the output end of the controller is connected with the electromagnetic heating coil in a control mode, the conveying speed of the circulating pump is controlled by the controller according to the detection temperature value of the temperature sensor, the temperature in the mixing tank is kept within the required range, and the production efficiency is improved.
Further, the bottom of blending tank still is equipped with the nitrogen gas entry, and the top is equipped with the nitrogen gas export, the nitrogen gas entry passes through the gas transmission pump and links to each other with nitrogen gas storage tank pipeline to can lead to the blending tank nitrogen gas, make it react under inert gas's protection. Nitrogen is introduced from the bottom to facilitate the removal of other air.
Further, the blending tank is communicated with an air pump, before nitrogen is introduced, the blending tank can be vacuumized through the air pump firstly, air in the blending tank is pumped out, air residue is avoided, then nitrogen is introduced, and nitrogen circulation is carried out.
Further, the mixing tank is also provided with an acid-base meter for testing the pH value in the mixing tank.
During production, firstly adding distilled water into a mixing tank to dissolve an organic monomer, adjusting the pH value to 8-9, adding a dispersing agent, uniformly stirring to form a dispersion phase, conveying the dispersion phase into a storage tank through a conveying pump, adding white oil into the mixing tank, adding the dispersion phase into the white oil in the mixing tank through the storage tank, emulsifying for 20-30 min, raising the temperature to 40-50 ℃ through a hot water bath, standing, introducing nitrogen through a nitrogen inlet, dropwise adding an initiator, uniformly stirring, continuously introducing the nitrogen for 10-20 min, standing, and reacting for 5-8 h to form a high polymer emulsion; then, the phase transfer agent, the cross-linking agent and the inert bridging plugging material are sequentially added into the high-molecular polymer emulsion in the mixing tank and uniformly mixed to obtain a finished product.
The utility model has the advantages that: high-temperature steam generated by heating reaction of polyether and long carbon chain acid is used for heating the ointment A production, so that the energy consumption is saved, the production efficiency is improved, and the production cost is reduced.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a production device for a plugging agent for drilling fluid in an embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 1, a production device for a plugging agent for drilling fluid comprises a mixing tank 1, wherein a feed inlet 2 is arranged at the top of the mixing tank 1, a cover is arranged on the feed inlet, a stirring rod 3 is arranged in the mixing tank 1, the stirring rod 3 is arranged on a stirring rotating shaft 4, the stirring rotating shaft 4 is in transmission communication with a stirring motor 5 arranged outside the mixing tank 1, and the stirring rotating shaft is driven by the stirring motor, so that the stirring rod can stir and mix materials in the mixing tank; the bottom of blending tank 1 is equipped with discharge gate 6, discharge gate 6 still links to each other with 8 pipelines of storage tank through delivery pump 7 to be equipped with the control valve, storage tank 8 sets up the top of blending tank 1, just the bottom of storage tank 8 with blending tank 1 is linked together, and is equipped with control flap 9, can control it through control flap 9 and open and close to and the size of flow.
The side wall of the mixing tank 1 is of a double-layer jacket structure and is provided with a liquid inlet 10 and a liquid outlet 11, the liquid inlet 10 and the liquid inlet 11 are respectively connected with a water source pipeline through a circulating pump 12, the water source is a tap water source 13 and a hot water source 14 such as boiler wastewater and industrial high-temperature wastewater, and the materials in the mixing tank can be respectively subjected to cold water cooling or hot water bath heating treatment.
Be equipped with temperature sensor in the blending tank 1, temperature sensor's output is connected with the input electricity of controller, the output of controller with circulating pump 12 control links to each other, and according to temperature sensor's detection temperature value, the delivery rate of circulating pump is controlled by the controller, makes the temperature in the blending tank keep in the within range of requirement, has improved production efficiency.
The bottom of blending tank 1 still is equipped with nitrogen gas entry 15, and the top is equipped with nitrogen gas export 16, the nitrogen gas entry passes through the gas transmission pump and links to each other with nitrogen gas storage tank pipeline to can lead to the blending tank nitrogen, make it react under inert gas's protection. Nitrogen is introduced from the bottom to facilitate the removal of other air.
Mixing tank 1 still is linked together with the aspiration pump, before letting in nitrogen gas, can be earlier right through the aspiration pump mixing tank carries out the evacuation, will air in the mixing tank is taken out, avoids having the air to remain, then nitrogen gas is gone into to the rethread, and it can to carry out the nitrogen gas circulation.
The mixing tank 1 is also provided with an acid-base meter for testing the pH value in the mixing tank. During production, firstly adding distilled water into a mixing tank 1 to dissolve an organic monomer, adjusting the pH value to 8-9, adding a dispersing agent, uniformly stirring to form a dispersion phase, conveying the dispersion phase into a storage tank 8 through a conveying pump, adding white oil into the mixing tank 1, adding the dispersion phase into the white oil in the mixing tank 1 through the storage tank 8, emulsifying for 20-30 min, raising the temperature to 40-50 ℃ through a hot water bath, standing, introducing nitrogen through a nitrogen inlet, dropwise adding an initiator, uniformly stirring, continuously introducing nitrogen for 10-20 min, standing, and reacting for 5-8 h to form a high-molecular polymer emulsion; then, the phase transfer agent, the cross-linking agent and the inert bridging plugging material are sequentially added into the high-molecular polymer emulsion in the mixing tank 1 and uniformly mixed to obtain a finished product.
Claims (6)
1. The utility model provides a apparatus for producing for lost circulation additive for drilling fluid which characterized in that: the stirring device comprises a mixing tank, wherein a feeding opening is formed in the top of the mixing tank, a cover is arranged on the feeding opening, a stirring rod is arranged in the mixing tank and arranged on a stirring rotating shaft, and the stirring rotating shaft is communicated with a stirring motor arranged outside the mixing tank in a transmission manner; the bottom of blending tank is equipped with the discharge gate, the discharge gate still links to each other through delivery pump and storage tank pipeline to be equipped with control valve, the storage tank sets up the top of blending tank, just the bottom of storage tank with the blending tank is linked together, and is equipped with control valve.
2. The production device for the plugging agent for the drilling fluid, according to claim 1, is characterized in that: the side wall of the mixing tank is of a double-layer jacket structure and is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid inlet are respectively connected with a water source pipeline through a circulating pump, and the water source is a tap water source and a hot water source.
3. The production device for the plugging agent for the drilling fluid, according to claim 2, is characterized in that: the mixing tank is internally provided with a temperature sensor, the output end of the temperature sensor is electrically connected with the input end of the controller, the output end of the controller is connected with the electromagnetic heating coil in a control mode, and the conveying speed of the circulating pump is controlled by the controller according to the detection temperature value of the temperature sensor.
4. The production device for the plugging agent for the drilling fluid, according to claim 3, is characterized in that: the bottom of blending tank still is equipped with the nitrogen gas entry, and the top is equipped with the nitrogen gas export, the nitrogen gas entry passes through gas transmission pump and links to each other with nitrogen gas storage tank pipeline.
5. The production device for the plugging agent for the drilling fluid, according to claim 4, is characterized in that: the mixing tank is also communicated with an air pump.
6. The production device for the plugging agent for the drilling fluid, according to claim 1, is characterized in that: the mixing tank is also provided with an acid-base meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107059.1U CN212017784U (en) | 2020-01-17 | 2020-01-17 | Production device for drilling fluid plugging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107059.1U CN212017784U (en) | 2020-01-17 | 2020-01-17 | Production device for drilling fluid plugging agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212017784U true CN212017784U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020107059.1U Active CN212017784U (en) | 2020-01-17 | 2020-01-17 | Production device for drilling fluid plugging agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212017784U (en) |
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2020
- 2020-01-17 CN CN202020107059.1U patent/CN212017784U/en active Active
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