CN203862190U - Skid-mounted continuous fracturing-liquid blending device - Google Patents
Skid-mounted continuous fracturing-liquid blending device Download PDFInfo
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- CN203862190U CN203862190U CN201420265025.XU CN201420265025U CN203862190U CN 203862190 U CN203862190 U CN 203862190U CN 201420265025 U CN201420265025 U CN 201420265025U CN 203862190 U CN203862190 U CN 203862190U
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Abstract
The utility model provides a skid-mounted continuous fracturing-liquid blending device, which comprises an automatic salt powder feeding unit, an automatic gum powder feeding unit, a liquid adding unit and a mixing and adding unit, wherein the automatic salt powder feeding unit is used for conveying dry material salt powder; the automatic gum powder feeding unit is used for conveying dry material gum powder; the liquid adding unit is used for conveying a chemical addition agent; the mixing and adding unit is in pipe connection with the automatic salt powder feeding unit, the automatic gum powder feeding unit and the liquid adding unit, and used for mixing the dry material salt powder, the dry material gum powder, water and the chemical addition agent and outputting; the automatic salt powder feeding unit, the automatic gum powder feeding unit, the liquid adding unit and the mixing and adding unit are mounted on at least one transportation carrier. According to the utility model, the whole skid-mounted design is adopted, the transportation is convenient, and the skid-mounted continuous fracturing-liquid blending device is suitable for being used in on a fracturing operation site in the field; continuous complete preparation of the fracturing fluid is realized, the manual labor strength is low, the fracturing operation cost is low, and the application range is wide.
Description
Technical field
The utility model relates to fracturing fluid blending device in a kind of oil field compression fracture work progress, particularly a kind of skid-mounted fracturing fluid continuous mixing device.
Background technology
At present, along with the continuous intensification of the oil field development degree of depth, part oil field has entered the middle and later periods, need to be fracturing technique by tertiary oil recovery, realizes the increasing both production and income of petroleum resources.
After fracturing process need to mix the materials such as various chemical addition agents, thickening agent according to a certain percentage, the volume increase of oil gas is realized on injection stratum.Partial open process generally adopts in advance intermittently dosing method to realize of the fracturing fluid mixture at present, then by transportation tank car, fracturing fluid is transported to fracturing work scene.Which not only causes fracturing fluid cost of transportation high, and pressing crack construction accident is many, very easily causes of the fracturing fluid waste, further increases pressure break cost.
Halliburton (Halliburton) company and Schlumberger (Schlumberger) company that are all oilfield services provider develop respectively dissimilar fracturing fluid continuous mixing device, but, they are only suitable for the conveying of concentrate, be not suitable for some areas, for example the practical application of China.Given this, four Ji Saiwa companies of China develop a kind of continuous mixing device that can realize pigment mixing, but there is particular/special requirement this unit to thickening agent rubber powder powder.In addition, its same car that can't realize all additives adds, and dosing amount is less, can not meet extensive fracturing work requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of skid-mounted fracturing fluid continuous mixing device, the problem that cannot add online continuously mixing to solve all materials that prior art exists.
In order to address the above problem, the utility model provides a kind of skid-mounted fracturing fluid continuous mixing device, and it comprises: salt powder automatic charging unit, for delivery of salt dried bean noodles powder material; Rubber powder automatic charging unit, for delivery of rubber powder dry material; Liquid adds unit, for delivery of chemical addition agent; Mix adding device, add unit pipe and be connected with described salt powder automatic charging unit, rubber powder automatic charging unit, liquid, for salt-mixture dried bean noodles powder material, rubber powder dry material, water and chemical addition agent output; Wherein, described salt powder automatic charging unit, rubber powder automatic charging unit, liquid add unit, mixing adding device is installed at least one transport carrier.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described salt powder automatic charging unit, rubber powder automatic charging cellular installation are on same transport carrier; Described liquid adds unit, mixing adding device is installed on another transport carrier.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described transport carrier is flat bed trailer.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described salt powder automatic charging unit, rubber powder automatic charging cellular construction are identical, include: conveyer belt, for transmitting packed dry material; Bag-breaking machine, is positioned at one end of described conveyer belt, for cracking the bag that holds salt powder or rubber powder dry material, and separates dry material and bag; Pneumatic conveyer, is located at the outlet of described bag-breaking machine, for carry salt powder or rubber powder dry material by strength; Delivery hose, one end is connected in the outlet of described pneumatic conveyer, and the other end is connected in described mixing adding device, for exporting salt powder or rubber powder dry material.Or described salt powder automatic charging unit, rubber powder automatic charging cellular construction are identical, include: conveyer belt, for transmitting packed dry material; Bag-breaking machine, is positioned at one end of described conveyer belt, for cracking the bag that holds salt powder or rubber powder dry material, and separates dry material and bag; Delivery hose, one end is connected in the outlet of described bag-breaking machine, and the other end is connected in described mixing adding device, relies on dry material self gravitation to complete the conveying of salt powder or rubber powder dry material.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described liquid adds unit and comprises: liquid adds tank, for storing number of chemical additive; Liquid adds pump, adds tank and is connected, for described liquid being added to the extremely described mixing adding device of number of chemical additive delivery of tank with described liquid.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described mixing adding device comprises: salt powder head tank, is connected with the outlet of described salt powder automatic charging unit, for receiving and store salt dried bean noodles powder material; Rubber powder head tank, is connected with the outlet of described rubber powder automatic charging unit, for receiving and store rubber powder dry material; Water pump, for exporting water; Salt powder mixer, is connected with described salt powder head tank and water delivery side of pump, for salt dried bean noodles powder material and water are mixed, obtains salt amidin; Dry powder water mixed cell, is connected with described rubber powder head tank and water delivery side of pump, for rubber powder and water are mixed, obtains the rubber powder aqueous solution; Blending tank, the outlet of adding unit with described salt powder mixer, dry powder water mixed cell, liquid is connected, for salt amidin, the rubber powder aqueous solution, number of chemical additive are mixed to formation fracturing fluid; Lotion pump, is connected with the outlet of described blending tank, the fracturing fluid producing for pumping described blending tank.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described blending tank comprises: tank body, and inside is provided with cavity; Multiple dividing plates, parallel and be located at vertically in the described cavity of described tank interior, and the height of described dividing plate is less than the internal height of described cavity, the top and bottom of adjacent described dividing plate are alternately fixed on the sidewall of described cavity, with between the end at described dividing plate and the sidewall of described cavity, form a fluid passage between adjacent described dividing plate.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, described blending tank also comprises: baffle plate, and the side of described dividing plate is fixed in one end, the other end is downward-sloping and keep at a distance with dividing plate described in adjacent another, and described baffle plate is arranged at liquid from the top down in flowing liquid passage.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, be provided with the through hole that is communicated with described tank body outside in the bottom of described fluid passage, to avoid liquid residue to use in described tank interior or clear tank.
Preferably, in described skid-mounted fracturing fluid continuous mixing device, on described salt powder head tank and rubber powder head tank, be equipped with dry powder metering system, described dry powder metering system comprises: level switch, for detection of the dry material quantity in described salt powder head tank, rubber powder head tank, to control the material loading quantity of described salt powder automatic charging unit, rubber powder automatic charging unit; Dry powder flow control valve, is located at the outlet of described salt powder head tank, rubber powder head tank, for controlling the output speed of dry material; Dry powder metering units, is connected with described level switch, dry powder flow control valve, for regulating as required the aperture of described dry powder flow control valve.
By upper analysis, known the utility model adopts the design of integral skid mounting formula, and convenient transport is applicable to fracturing work scene, field and uses; Can realize of the fracturing fluid preparation completely continuously, hand labor intensity is low, reduces fracturing work cost, applied range.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model preferred embodiment;
Fig. 2 is the structural representation of the blending tank of the utility model preferred embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 schematically shows the theory structure of the utility model preferred embodiment, and as shown in it, this preferred embodiment comprises: potassium chloride automatic charging unit 11, guar gum automatic charging unit 21, liquid add unit and mixes adding device.Preferably, liquid adds unit and comprises that liquid adds tank 51, liquid adds pump 52; Mix adding device and comprise potassium chloride head tank 12, potassium chloride blender 13, guar gum head tank 22, dry powder water mixed cell 23, water pump 3, blending tank 4, lotion pump 6.
Particularly, potassium chloride automatic charging unit 11 is for carrying potassium chloride dry material to mixing adding device.Guar gum automatic charging unit 21 is for carrying guar gum dry material to mixing adding device.Liquid adds unit for carrying chemical addition agent to mixing adding device; Mixing adding device adds unit and is connected by pipeline with potassium chloride automatic charging unit 11, guar gum automatic charging unit 21, liquid, form fracturing fluid for mixed chlorinated potassium dry material, guar gum dry material, water and chemical addition agent, and export via lotion pump 4.For ease of movement, potassium chloride automatic charging unit 11, guar gum automatic charging unit 21, liquid add unit, mixing adding device is installed at least one transport carrier.
Preferably, potassium chloride automatic charging unit 11, guar gum automatic charging unit 21 are installed on same transport carrier, for example flat bed trailer.Liquid adds unit, mixing adding device is installed on another transport carrier, for example flat bed trailer.When application, two flat bed trailers are adjacent, between connect by pipeline.
Preferably, potassium chloride automatic charging unit 11, guar gum automatic charging unit 21 structures are identical, and the two includes conveyer belt, be positioned at the bag-breaking machine of conveyer belt one end, be located at the delivery hose etc. of bag-breaking machine outlet.Wherein, above conveyer belt, protruding lines can be set, prevent bagged material landing, and conveyer belt launches in use, in transportation, rotatable folding hangs on bag-breaking machine.Bagged dry powder material through conveyer belt transport enters bag-breaking machine, and the operation of the equipment such as cutter, screen drum in bag-breaking machine completes separating of broken bag and dry material and sack.Dry material is sieved into the bottom of bag-breaking machine through rotary screen, the double helix pusher of bag-breaking machine bottom is sent to dry material in delivery hose, and dry material relies on self gravitation to be transported to respectively guar gum head tank and potassium chloride head tank via carrier pipe.In order to accelerate material loading speed, can also between bag-breaking machine outlet and delivery hose, pneumatic conveyer be set, by strength, potassium chloride or guar gum dry material are delivered in flexible pipe, thereby dry material is delivered to and mixed in adding device.But there are feeding unit material 11 and 21 floor spaces of pneumatic conveyer larger, therefore, from joint space-efficient angle, the preferably feeding unit material structure of flabbiness conveyer.
As shown in Figure 1, add in unit at liquid, liquid adds tank 51 for storing number of chemical additive.Liquid adds pump 52 and adds tank 51 with liquid and be connected, for the number of chemical additive delivery of liquid being added to tank 51 to the blending tank 4 that mixes adding device.
Preferably, in mixing adding device, potassium chloride head tank 12 is connected with the outlet of potassium chloride automatic charging unit 11, for receiving and store potassium chloride dry material; Guar gum head tank 22 is connected with the outlet of guar gum automatic charging unit 21, for receiving and store guar gum dry material; Water pump 3 is for exporting water; Potassium chloride blender 13 is connected with the outlet of potassium chloride head tank 22 and water pump 3, for potassium chloride dry material and water are mixed; Dry powder water mixed cell 23 is connected with the outlet of guar gum head tank 22 and water pump 3, for guar gum and water are mixed; Blending tank 4 is connected with the outlet that potassium chloride blender 13, dry powder water mixed cell 23, liquid add pump 52, for Klorvess Liquid, guar gum solution, number of chemical additive are mixed to formation fracturing fluid.Lotion pump 6 is connected with the outlet of blending tank 4, the fracturing fluid producing for pumping blending tank 4.
Particularly, packed potassium chloride, guar gum dry material fall into corresponding dry-coal feeding tank through automatic bag-breaking feeding unit material separately, dry material in head tank falls into pigment mixed cell through dry powder metering system, in pigment mixed cell, realize pigment and fully mix, mixed solution flows into blending tank 4 by manifold system.In this simultaneously, plurality of liquid additive adds tank 51 and liquid by liquid and adds pump 52 and directly squeeze into blending tank 4.In blending tank 4, various liquid materials, through fully mixing, are pumped by lotion pump 6, obtain fracturing fluid continuous, even, thickness.
Aforementioned dry powder metering system comprise be located at head tank tank body level switch, be positioned at dry powder flow control valve, the dry powder metering units of head tank outlet.Particularly, the dry material of automatic charging unit is transported to head tank through Pneumatic conveying pipeline, and the material in level switch measurement head tank is how many, controls whereby automatic charging unit; Dry powder flow control valve, according to the signal of dry powder metering units feedback, regulates its aperture automatically, controls the output speed of dry material; Thus, continuous material is via dry powder conveyance conduit, and through self gravitation, powder is transported to pigment mixed cell by the suction that pump water suction forms.Wherein, dry powder level switch is selected hydraulic butterfly valve, and dry powder flowmeter is selected microwave solid flowmeter.
In order simply and efficiently to realize the even mixing of liquid, as Fig. 2, blending tank 4 comprises: tank body 41, multiple dividing plate 44, multiple baffle plate 45.Particularly, tank body 41 is hollow structure, and inside is a cavity, and this cavity is by the import 42 for infusion fluid, connect for the outlet 43 of output liquid, and as shown in the figure, arrow has represented the flow direction of liquid.Dividing plate 44 is parallel and be located at vertically in the cavity of tank body 41 inside, and the height of each dividing plate 44 is all less than the internal height of cavity, makes to form between one end of dividing plate 44 and the sidewall of cavity an opening 402.The top and bottom of adjacent separator 44 are alternately fixed on the sidewall of cavity.The side of dividing plate 44 is fixed in baffle plate 45 one end, and the other end is downward-sloping and keep at a distance with another adjacent dividing plate 44.Like this, gap 401, outlet 43 between import 42, opening 402, adjacent separator 44 have just formed a fluid passage.
More preferably, be provided with the through hole 403 that is communicated with tank body 41 outsides in the bottom of fluid passage, to avoid liquid residue to use in the inner or clear tank of tank body 41.
Particularly, blending tank 4 is to mix fully by the guar gum solution mixing, Klorvess Liquid and from the liquid chemical additive that liquid adds pump 52, then output to lotion manifold through lotion pump 6, lotion manifold can directly be squeezed into fracturing blender truck, realizes dosing mulling completely continuously.In blending tank 4, mixed liquor enters tank body 41 inside by the import 42 of bottom, and overcomes the top of gravity current to blending tank, enters the gap 401 two-layer baffle plate 45 of backward lower process change the flow direction twice via opening 402, and then repeat to go out tank after this process the fracturing fluid that obtains mixing.
In the time of above-mentioned part description, although be illustrated as an example of potassium chloride example, but it can also be the various salt powder (various solid additive) for fracturing fluid preparation such as sodium chloride, in addition, in the above description, although taking guar gum as rubber powder as example is illustrated, can be also the rubber powder (various thickening agent) of other fracturing fluid preparations such as fenugreek gum.As chemical addition agent above-mentioned, can be the various liquid additives such as bactericide, cleanup additive, clay stabilizer and anticorrisive agent.
To sum up, the utlity model has following characteristics advantage in other words:
The design of integral skid mounting formula, convenient transportation, carries Diesel engine, without external connection power, is applicable to the on-the-spot use of field fracturing work.
Can realize of the fracturing fluid preparation completely continuously, comprise that the same car of pigment, potassium chloride, chemical addition agent and front and back PH conditioning agent, blowing agent adds.
Pigment and chemical addition agent are by the continuous dosing of design proportion, and without intermittently dosing of each weighing in proportion, hand labor intensity is low.Fracturing fluid mixture is even, and distributing precision is high, and quality is good, and engineer operation is stable.
Realize the automatic feed of guar gum dry powder, reduce manual operation labour intensity; Efficient pigment hybrid technology has solved " flake " problem that traditional dosing occurs.
Adapt to former powder, modification, various types of dry-coal feedings such as instant, applied range.
Automatic metering system can require to adjust at any time material proportion and flow according to detail design, avoids the waste of fracturing fluid and chemical addition agent, reduces fracturing work cost.
Hermetically sealed operation, safety coefficient is high, and environmental pollution is little.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
Claims (10)
1. a skid-mounted fracturing fluid continuous mixing device, is characterized in that, comprising:
Salt powder automatic charging unit, for delivery of salt dried bean noodles powder material;
Rubber powder automatic charging unit, for delivery of rubber powder dry material;
Liquid adds unit, for delivery of chemical addition agent;
Mix adding device, add unit pipe and be connected with described salt powder automatic charging unit, rubber powder automatic charging unit, liquid, for salt-mixture dried bean noodles powder material, rubber powder dry material, water and chemical addition agent output;
Wherein, described salt powder automatic charging unit, rubber powder automatic charging unit, liquid add unit, mixing adding device is installed at least one transport carrier.
2. skid-mounted fracturing fluid continuous mixing device according to claim 1, is characterized in that, described salt powder automatic charging unit, rubber powder automatic charging cellular installation are on same transport carrier;
Described liquid adds unit, mixing adding device is installed on another transport carrier.
3. skid-mounted fracturing fluid continuous mixing device according to claim 1 and 2, is characterized in that, described transport carrier is flat bed trailer.
4. skid-mounted fracturing fluid continuous mixing device according to claim 1, is characterized in that, described salt powder automatic charging unit, rubber powder automatic charging unit are the first structure or the second structure,
The first structure comprises:
Conveyer belt, for transmitting packed dry material;
Bag-breaking machine, is positioned at one end of described conveyer belt, for cracking the bag that holds salt powder or rubber powder dry material separately, and separates dry material and bag;
Pneumatic conveyer, is located at the outlet of described bag-breaking machine, for carrying dry material by strength;
Delivery hose, one end is connected in the outlet of described pneumatic conveyer, and the other end is connected in described mixing adding device, for exporting dry material;
The second structure comprises:
Conveyer belt, for transmitting packed dry material;
Bag-breaking machine, is positioned at one end of described conveyer belt, for cracking the bag that holds salt powder or rubber powder dry material separately, and separates dry material and bag;
Delivery hose, one end is connected in the outlet of described bag-breaking machine, and the other end is connected in described mixing adding device, relies on dry material self gravitation to complete the conveying of dry material.
5. skid-mounted fracturing fluid continuous mixing device according to claim 1, is characterized in that, described liquid adds unit and comprises:
Liquid adds tank, for storing number of chemical additive;
Liquid adds pump, adds tank and is connected, for described liquid being added to the extremely described mixing adding device of number of chemical additive delivery of tank with described liquid.
6. skid-mounted fracturing fluid continuous mixing device according to claim 1, is characterized in that, described mixing adding device comprises:
Salt powder head tank, is connected with the outlet of described salt powder automatic charging unit, for receiving and store salt dried bean noodles powder material;
Rubber powder head tank, is connected with the outlet of described rubber powder automatic charging unit, for receiving and store rubber powder dry material;
Water pump, for exporting water;
Salt powder mixer, is connected with described salt powder head tank and water delivery side of pump, for salt dried bean noodles powder material and water are mixed, obtains salt amidin;
Dry powder water mixed cell, is connected with described rubber powder head tank and water delivery side of pump, for rubber powder and water are mixed, obtains the rubber powder aqueous solution;
Blending tank, the outlet of adding unit with described salt powder mixer, dry powder water mixed cell, liquid is connected, for salt amidin, the rubber powder aqueous solution, number of chemical additive are mixed to formation fracturing fluid;
Lotion pump, is connected with the outlet of described blending tank, the fracturing fluid producing for pumping described blending tank.
7. skid-mounted fracturing fluid continuous mixing device according to claim 6, is characterized in that, described blending tank comprises:
Tank body, inside is provided with cavity;
Multiple dividing plates, parallel and be located at vertically in the described cavity of described tank interior, and the height of described dividing plate is less than the internal height of described cavity, the top and bottom of adjacent described dividing plate are alternately fixed on the sidewall of described cavity, with between the end at described dividing plate and the sidewall of described cavity, form a fluid passage between adjacent described dividing plate.
8. skid-mounted fracturing fluid continuous mixing device according to claim 7, is characterized in that, described blending tank also comprises:
Baffle plate, the side of described dividing plate is fixed in one end, and the other end is downward-sloping and keep at a distance with dividing plate described in adjacent another,
Described baffle plate is arranged at liquid from the top down in flowing liquid passage.
9. according to the skid-mounted fracturing fluid continuous mixing device described in claim 7 or 8, it is characterized in that, be provided with the through hole that is communicated with described tank body outside in the bottom of described fluid passage, to avoid liquid residue to use in described tank interior or clear tank.
10. skid-mounted fracturing fluid continuous mixing device according to claim 1, is characterized in that, on described salt powder head tank and rubber powder head tank, is equipped with dry powder metering system, and described dry powder metering system comprises:
Level switch, for detection of the dry material quantity in described salt powder head tank, rubber powder head tank, to control the material loading quantity of described salt powder automatic charging unit, rubber powder automatic charging unit;
Dry powder flow control valve, is located at the outlet of described salt powder head tank, rubber powder head tank, for controlling the output speed of dry material;
Dry powder metering units, is connected with described level switch, dry powder flow control valve, for regulating as required the aperture of described dry powder flow control valve.
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| CN201420265025.XU CN203862190U (en) | 2014-05-22 | 2014-05-22 | Skid-mounted continuous fracturing-liquid blending device |
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| CN201420265025.XU CN203862190U (en) | 2014-05-22 | 2014-05-22 | Skid-mounted continuous fracturing-liquid blending device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126697A (en) * | 2015-08-25 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Fracturing fluid mass flow continuous liquid preparation system for hydraulic fracturing and liquid preparation process of system |
| CN105170006A (en) * | 2015-07-16 | 2015-12-23 | 中国石油天然气股份有限公司 | Working solution proportioning and blending device |
| CN109796956A (en) * | 2018-12-27 | 2019-05-24 | 四机赛瓦石油钻采设备有限公司 | A kind of electricity drives fracturing fluid continuously mixed sledge |
| CN110252191A (en) * | 2019-07-20 | 2019-09-20 | 烟台杰瑞石油装备技术有限公司 | A kind of electricity drive mixing device |
-
2014
- 2014-05-22 CN CN201420265025.XU patent/CN203862190U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170006A (en) * | 2015-07-16 | 2015-12-23 | 中国石油天然气股份有限公司 | Working solution proportioning and blending device |
| CN105126697A (en) * | 2015-08-25 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Fracturing fluid mass flow continuous liquid preparation system for hydraulic fracturing and liquid preparation process of system |
| CN109796956A (en) * | 2018-12-27 | 2019-05-24 | 四机赛瓦石油钻采设备有限公司 | A kind of electricity drives fracturing fluid continuously mixed sledge |
| CN109796956B (en) * | 2018-12-27 | 2021-05-07 | 四机赛瓦石油钻采设备有限公司 | Electric-drive continuous fracturing fluid blending sledge |
| CN110252191A (en) * | 2019-07-20 | 2019-09-20 | 烟台杰瑞石油装备技术有限公司 | A kind of electricity drive mixing device |
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