CN104389576A - Field equipment used in proppant wormhole type laying fracturing process and working method thereof - Google Patents
Field equipment used in proppant wormhole type laying fracturing process and working method thereof Download PDFInfo
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- CN104389576A CN104389576A CN201410632824.0A CN201410632824A CN104389576A CN 104389576 A CN104389576 A CN 104389576A CN 201410632824 A CN201410632824 A CN 201410632824A CN 104389576 A CN104389576 A CN 104389576A
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- agitator tank
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- support agent
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008569 process Effects 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 92
- 239000000835 fiber Substances 0.000 claims abstract description 73
- 238000010276 construction Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 239000003795 chemical substances by application Substances 0.000 claims description 59
- 239000012530 fluid Substances 0.000 claims description 26
- 241000361919 Metaphire sieboldi Species 0.000 claims description 19
- 230000001413 cellular effect Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002657 fibrous material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002195 soluble material Substances 0.000 description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses field equipment used in a proppant wormhole type laying fracturing process. The field equipment comprises a fracturing material stirring tank, a feed hole, a discharge hole, a fiber metering and conveying device, a water-soluble proppant conveying cavity and a liquid inlet pump, wherein the feed hole and the discharge hole are formed in the two ends in the axial direction of the fracturing material stirring tank respectively; the liquid inlet pump is arranged at the feed hole and is connected with the feed hole through a first electromagnetic flow meter and a fracturing liquid conveying pipeline; an output pump is arranged at the discharge hole and is connected with an external fracturing blender truck through a second electromagnetic flow meter. According to the field equipment used in the proppant wormhole type laying fracturing process, field construction of a proppant wormhole type laying fracturing technology can be systemically and safety performed, so that the popularization of the novel fracturing technology is facilitated; automatic operation is basically realized, so that construction workers and the risk of construction can be reduced to a certain extent.
Description
Technical field
The present invention relates to a kind of site plant for the laid fracturing process of proppant earthworm cellular type and method of work thereof, belong to the technical field of oil exploitation.
Background technology
The hyposmosis of China, extra-low permeability, unconventionaloil pool are hidden widely distributed, have larger potentiality to be exploited.But due to its low hole, the feature such as hypotonic, oil, the filtrational resistance of gas in reservoir matrix are very big, the fracturing yield increasing renovation technique of usual use routine can not reach gratifying production status, the fracturing reform technique that necessary exploratory development is novel, increases oil and gas flow passage, reduces filtrational resistance to realize the economical and effective exploitation of low permeability reservoirs.
For above-mentioned situation, domesticly developed passage fracturing technique respectively in recent years: a kind ofly disclosed in Chinese patent CN103306659A realize the fracturing technology of ultrahigh flow conductivity, the honeycomb fashion spread method of the open proppant of Chinese patent CN102865061A and application and the laid fracturing technique of proppant earthworm cellular type.
The laid fracturing technique of wherein said proppant earthworm cellular type, its integrated application passage fracturing technique, fibrous material and water-soluble material form the central core of circulation flowed as oil gas in many complicated pencil ducts, wherein the use of fibrous material contributes to improving and of the fracturing fluidly takes sand effect, and Water Soluble Support agent is conducive to the formation of stitching interior pencil duct after water-soluble solution is met in inside, crack, pencil passage can increase substantially fracture condudtiviy, reduce oil and gas flow resistance, also contribute to fracturing fluid and crush the effectively row of returning of proppant particles, from but one exploits the novel fracturing technique of low hole (spy) Low permeable oil and gas reservoirs effectively.
But at present, in China market, one is not directed to the pressing crack construction equipment of " the laid fracturing technique of proppant earthworm cellular type " specially, this brings inconvenience by the site operation of this kind of novel fracturing technique from now on and popularization.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of site plant for the laid fracturing process of proppant earthworm cellular type.This equipment can systematically complete following operation: the metering of 1. metering and dispersion, the 2. Water Soluble Support agent of fibrous material with automatically add, the metering of 3. of the fracturing fluid metering and conveying, 4. conventional proppants and interpolation, 5. fracturing material be all mixed into well, 6. synchronous remote auto and manipulate operation.
The present invention also provides a kind of method of work of the said equipment.
Technical program of the present invention lies in:
For a site plant for the laid fracturing process of proppant earthworm cellular type, comprise fracturing material agitator tank, be respectively arranged with charging aperture and discharging opening at the axial two ends of described fracturing material agitator tank; Fibre metering conveying device is provided with at the top of described fracturing material agitator tank and near the side of charging aperture; Water Soluble Support agent feeding chamber is provided with at the top of described fracturing material agitator tank and near the side of discharging opening;
Described charging aperture is provided with liquid feeding pump, and described liquid feeding pump is connected with described charging aperture with fracturing fluid conveyance conduit by the first electromagnetic flowmeter;
Described discharging opening is provided with rear pump, and described rear pump is connected with outside fracturing blender truck by the second electromagnetic flowmeter;
In described fracturing material agitator tank, direction perpendicular to axial direction is provided with by the first motor-driven first shaft;
Described first shaft is evenly distributed with many and stirs brace, the angle between described stirring brace and described first shaft 90 °;
Described fibre metering conveying device is a kind of fiber transporting device be applied in Oil/gas Well fiber assisted fracturing process disclosed in Chinese patent CN102536188B;
Gauge tap and photoelectric sensor is respectively arranged with, for controlling the amount of injecting material in described fracturing material agitator tank in described fibre metering conveying device and Water Soluble Support agent feeding chamber.
Preferred according to the present invention, funnel is fixedly installed in described fracturing material agitator tank, the top edge of described funnel is connected with the upper end of described fracturing material agitator tank, and the bottom through-hole of described funnel is set in the external diameter of the stirring brace on described first shaft top.The advantage herein designed is, funnel is adopted to guide fiber and Water Soluble Support agent to mix in funnel, and mix with the fracturing fluid material in agitator tank through funnel again through stirring after brace is fully uniformly mixed in the bottom of funnel, improve the uniformity of pressure break mixing of materials.
Preferred according to the present invention, described funnel is cone shape; A circle inclination edge is provided with, the flare openings of this inclination above the described funnel in besieged city in the upper end of described funnel; Multiple back-up block is provided with between described funnel and fracturing material agitator tank sidewall.The advantage herein designed is, described back-up block is conducive to realizing fixing funnel, improves the stability that equipment runs; The advantage on described inclination edge is that the design of flare openings is easier to fibrous material above agitator tank and water-soluble material and falls into funnel inside and complete and first mix.
Preferred according to the present invention, the height 0.3-0.8m of described funnel, thickness 0.5-3.0cm; Described inclination edge and horizontal direction angle 10-40 °, height 0.1-0.4m; 4 back-up blocks are provided with, described back-up block length 0.2-0.4m, width 3-10cm between described funnel and fracturing material agitator tank sidewall.
Preferred according to the present invention, described equipment also comprises remote control panel, and this control panel in fracturing material agitator tank, inputs fiber speed by wireless network Real-time Collection first electromagnetic flowmeter and the data on flows of the second electromagnetic flowmeter, the in real time described fibre metering conveying device of control and total amount, the in real time described Water Soluble Support agent feeding chamber of control input Water Soluble Support agent speed and total amount in fracturing material agitator tank; Described control panel is also for remote activation or stop liquid feeding pump and rear pump.
Preferred according to the present invention, the first gauge tap and photoelectric sensor is provided with in described fibre metering conveying device, described first gauge tap is controlled by described remote control panel, inputs fiber for controlling described fibre metering conveying device in real time in fracturing material agitator tank; Described photoelectric sensor is to the speed of described remote control panel real-time Transmission fiber and total amount.
Preferred according to the present invention, the second gauge tap and photoelectric sensor is provided with in described Water Soluble Support agent feeding chamber, described second gauge tap is controlled by described remote control panel, inputs Water Soluble Support agent for controlling described Water Soluble Support agent conveying device in real time in fracturing material agitator tank; Described photoelectric sensor is to the speed of described remote control panel real-time Transmission Water Soluble Support agent and total amount.
Preferred according to the present invention, described remote control panel also pumps into program for remote setting construction, and then pumps into order when controlling construction, pumps into material and control pumps into material amounts.
Preferred according to the present invention, described fibre metering conveying device and Water Soluble Support agent feeding chamber are truncated cone-shaped cavity body structure; The device for producing negative pressure in fracturing material agitator tank is provided with in the bottom of described fibre metering conveying device.
Preferred according to the present invention, described fibre metering conveying device is provided with fiber quality metering scale chi; Described Water Soluble Support agent feeding chamber is provided with Water Soluble Support agent volume metering rule; Described fracturing material agitator tank is respectively arranged with infrared rays content gauge, Butterworth Hatch and bottom support frame.Can Butterworth Hatch be opened, the fracturing fluid that cleaning is remaining and proppant after construction, clean to ensure in tank; This agitator tank wall installs content gauge infrared facility, can clearly observe agitator tank inside liquid level; In addition two ends, described agitator tank left and right are connected with fracturing fluid feed-line respectively, and top communicates respectively with fibrous material feeding chamber and Water Soluble Support agent feeding chamber, and bottom is supported by two cylindrical stents.
The method of work of the said equipment, comprises step as follows:
1) arrange that pressing crack construction is on-the-spot, connect all construction pipeline of described equipment;
2) start described fibre metering conveying device, fiber enters described fracturing material agitator tank at the flows by action of negative pressure, and the velocity interval that fiber flows into is 0.1-20000g/min;
3) start Water Soluble Support agent ground helix transporting device, Water Soluble Support agent added in described fracturing material agitator tank along charging aperture, adding velocity interval is 0.1-10m
3/ min;
4) interpolation speed and the total amount of fiber and Water Soluble Support agent is set by described remote control panel; The interpolation state of physics is observed by described fiber quality metering scale chi and Water Soluble Support agent volume metering rule, utilize photoelectric sensor that the speed added materials and interpolation total amount are back to described remote control panel simultaneously, final interpolation speed with described setting and total amount compares in real time, adjust, until consistent with the interpolation speed set and total amount;
5) the startup liquid feeding pump on remote control panel, fracturing fluid flows through the first electromagnetic flowmeter and enters in fracturing material agitator tank, and remote control panel shows of the fracturing fluid inflow velocity in real time;
6) start the first motor, drive the first shaft and stir brace High Rotation Speed, the fracturing fluid in fracturing material agitator tank is mixed with fiber and Water Soluble Support agent;
7) infrared rays content gauge is observed, after being full of appropriate fracturing fluid in fracturing material agitator tank, rear pump is started by remote control panel, make the mixed material in fracturing material agitator tank flow into fracturing blender truck through the second electromagnetic flowmeter and pump in well, described remote control panel shows of the fracturing fluid output speed in real time;
8) step 1 is repeated)-7) complete multiple pulse and add sand, after all completing until construct, by the long-range stopping liquid feeding pump of remote control panel and rear pump work, close fibre metering conveying device and Water Soluble Support agent feeding chamber, pressing crack construction completes.
The invention has the advantages that:
A kind of site plant for the laid fracturing process of proppant earthworm cellular type of the present invention systematically, safely can complete the site operation of " the laid fracturing technique of proppant earthworm cellular type ", is conducive to the popularization of this kind of novel fracturing technique; Invention of running quickly achieves automation mechanized operation substantially, can reduce pressing crack construction personnel to a certain extent and reduce the danger of construction.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of equipment of the present invention;
In FIG, 1 fibre metering conveying device; 2 fiber quality metering scale chis; 3 first gauge taps; 4 Water Soluble Support agent feeding chambers; 5 Water Soluble Support agent volume metering rules; 6 water miscible charging apertures; 7 second gauge taps; 8 fracturing material agitator tanks; 9 first shafts; 10 stir brace; 11 infrared rays content gauges; 12 first motors; 13 Butterworth Hatchs; 14 bottom support framves; 15 liquid feeding pumps; 16 fracturing fluid conveyance conduits; 17 first electromagnetic flowmeters; 18 rear pumps; 19 second electromagnetic flowmeters; 20 fracturing blender trucks; 21 photoelectric sensors; 22 for producing the device of negative pressure in fracturing material agitator tank; 23 fiber ground helix transporting devices; 24 Water Soluble Support agent ground helix transporting devices; 25, funnel; 26, inclination edge; 27, back-up block.Wherein, the inner detailed construction of fibre metering conveying device is shown in Chinese patent literature CN 102536188B.
Fig. 2 is the top view of fracturing material agitator tank inner funnel;
Fig. 3 is remote control panel schematic diagram.
Detailed description of the invention
Below in conjunction with embodiment and Figure of description, the present invention is described in detail, but is not limited thereto.
Fiber selected in following examples, its diameter range is 1-200 μm, and its length range is 1-30mm; Water Soluble Support agent particle diameter used 0.4 ~ 0.9mm; Common proppants particle diameter 20 ~ 100 order; Fracturing fluid adopts the guanidine gum fracturing fluid of prior art.
Embodiment 1,
For a site plant for the laid fracturing process of proppant earthworm cellular type, comprise fracturing material agitator tank 8, be respectively arranged with charging aperture and discharging opening at the axial two ends of described fracturing material agitator tank 8; Fibre metering conveying device 1 is provided with at the top of described fracturing material agitator tank 8 and near the side of charging aperture; Water Soluble Support agent feeding chamber 4 is provided with at the top of described fracturing material agitator tank 8 and near the side of discharging opening;
Described charging aperture is provided with liquid feeding pump 15, and described liquid feeding pump 15 is connected with described charging aperture with fracturing fluid conveyance conduit by the first electromagnetic flowmeter 17;
Described discharging opening is provided with rear pump 18, and described rear pump 18 is connected with outside fracturing blender truck 20 by the second electromagnetic flowmeter 17;
In described fracturing material agitator tank 8, direction perpendicular to axial direction is provided with the first shaft 9 driven by the first motor 12;
Described first shaft 9 is evenly distributed with many and stirs brace 10, the angle 90 ° between described stirring brace 10 and described first shaft 9;
In described fracturing material agitator tank 8, be fixedly installed funnel 25, the top edge of described funnel 25 is connected with the upper end of described fracturing material agitator tank 8, and the bottom through-hole of described funnel 25 is set in the external diameter of the stirring brace 10 on described first shaft 9 top.
Described funnel 25 is cone shape; Be provided with a circle to tilt along 26 in the upper end of described funnel 25, the flare openings of this inclination above the 26 described funnels in besieged city; Multiple back-up block 27 is provided with between described funnel 25 and fracturing material agitator tank 8 sidewall.
The height 0.3-0.8m of described funnel 25, thickness 0.5-3.0cm; Described inclination along 26 with horizontal direction angle 10-40 °, height 0.1-0.4m; 4 back-up blocks 27 are provided with, described back-up block 27 length 0.2-0.4m, width 3-10cm between described funnel 25 and fracturing material agitator tank 8 sidewall.
Described fibre metering conveying device 1 is a kind of fiber transporting device be applied in Oil/gas Well fiber assisted fracturing process disclosed in Chinese patent CN102536188B;
Gauge tap and photoelectric sensor is respectively arranged with, for controlling the amount of injecting material in described fracturing material agitator tank in described fibre metering conveying device 1 and Water Soluble Support agent feeding chamber 4.
The rotating speed of described first shaft is that 300 turns/min-1000 turns/min;
The radius of described fracturing material agitator tank is 0.5-1.0m.
The quantity of described stirring brace is 6-12, and the length range stirring brace is 15-45cm.
Vertical height bottom described inlet and described fracturing material agitator tank is 0.5-1.75m, and described delivery outlet is 0.01-0.5m apart from the vertical height bottom fracturing material agitator tank.
Embodiment 2,
Equipment as described in Example 1 also comprises remote control panel, and this control panel in fracturing material agitator tank 8, inputs fiber speed by wireless network Real-time Collection first electromagnetic flowmeter 17 and the data on flows of the second electromagnetic flowmeter 19, the in real time described fibre metering conveying device 1 of control and total amount, the in real time described Water Soluble Support agent feeding chamber 4 of control input Water Soluble Support agent speed and total amount in fracturing material agitator tank 8; Described control panel is also for remote activation or stop liquid feeding pump 15 and rear pump 18.
In described fibre metering conveying device 1, be provided with the first gauge tap 3 and photoelectric sensor, described first gauge tap 3 is controlled by described remote control panel, inputs fiber for controlling described fibre metering conveying device 1 in real time in fracturing material agitator tank 8; Described photoelectric sensor is to the speed of described remote control panel real-time Transmission fiber and total amount.
The second gauge tap 7 and photoelectric sensor is provided with in described Water Soluble Support agent feeding chamber 4, described second gauge tap 7 is controlled by described remote control panel, inputs Water Soluble Support agent for controlling described Water Soluble Support agent conveying device in real time in fracturing material agitator tank 8; Described photoelectric sensor is to the speed of described remote control panel real-time Transmission Water Soluble Support agent and total amount.
Described remote control panel also pumps into program for remote setting construction, and then pumps into order when controlling construction, pumps into material and control pumps into material amounts.
Described fibre metering conveying device 1 and Water Soluble Support agent feeding chamber 4 are truncated cone-shaped cavity body structure; The device 22 for producing negative pressure in fracturing material agitator tank is provided with in the bottom of described fibre metering conveying device.The end diameter 10-30cm of described truncated cone-shaped cavity body structure, outside diameter 30-75cm, height are 50-80cm.
Described fibre metering conveying device 1 is provided with fiber quality metering scale chi 2; Described Water Soluble Support agent feeding chamber 4 is provided with Water Soluble Support agent volume metering rule 5; Described fracturing material agitator tank 8 is respectively arranged with infrared rays content gauge 11, Butterworth Hatch 13 and bottom support frame 14.
Embodiment 3,
A method of work for equipment as described in Example 2, comprises step as follows:
1) arrange that pressing crack construction is on-the-spot, connect all construction pipeline of described equipment;
2) start described fibre metering conveying device 1, fiber enters described fracturing material agitator tank 8 at the flows by action of negative pressure, and the velocity interval that fiber flows into is 0.1-20000g/min;
3) start Water Soluble Support agent ground helix transporting device, Water Soluble Support agent added in described fracturing material agitator tank 8 along charging aperture, adding velocity interval is 0.1-10m
3/ min;
4) interpolation speed and the total amount of fiber and Water Soluble Support agent is set by described remote control panel; The interpolation state of physics is observed by described fiber quality metering scale chi 2 and Water Soluble Support agent volume metering rule 5, utilize photoelectric sensor that the speed added materials and interpolation total amount are back to described remote control panel simultaneously, final interpolation speed with described setting and total amount compares in real time, adjust, until consistent with the interpolation speed set and total amount;
5) the startup liquid feeding pump on remote control panel, fracturing fluid flows through the first electromagnetic flowmeter 17 and enters in fracturing material agitator tank 8, and remote control panel shows of the fracturing fluid inflow velocity in real time;
6) start the first motor 12, drive the first shaft 9 and stir brace 10 High Rotation Speed, the fracturing fluid in fracturing material agitator tank 8 is mixed with fiber and Water Soluble Support agent;
7) infrared rays content gauge 11 is observed, after being full of appropriate fracturing fluid in fracturing material agitator tank 8, rear pump 18 is started by remote control panel, make the mixed material in fracturing material agitator tank 8 flow into fracturing blender truck 20 through the second electromagnetic flowmeter 19 and pump in well, described remote control panel shows of the fracturing fluid output speed in real time;
8) step 1 is repeated)-7) complete multiple pulse and add sand, after all completing until construct, by the long-range stopping liquid feeding pump of remote control panel and rear pump work, close fibre metering conveying device and Water Soluble Support agent feeding chamber, pressing crack construction completes.
Claims (10)
1. for a site plant for the laid fracturing process of proppant earthworm cellular type, it is characterized in that, this equipment comprises fracturing material agitator tank, is respectively arranged with charging aperture and discharging opening at the axial two ends of described fracturing material agitator tank; Fibre metering conveying device is provided with at the top of described fracturing material agitator tank and near the side of charging aperture; Water Soluble Support agent feeding chamber is provided with at the top of described fracturing material agitator tank and near the side of discharging opening;
Described charging aperture is provided with liquid feeding pump, and described liquid feeding pump is connected with described charging aperture with fracturing fluid conveyance conduit by the first electromagnetic flowmeter;
Described discharging opening is provided with rear pump, and described rear pump is connected with outside fracturing blender truck by the second electromagnetic flowmeter;
In described fracturing material agitator tank, direction perpendicular to axial direction is provided with by the first motor-driven first shaft;
Described first shaft is evenly distributed with many and stirs brace, the angle between described stirring brace and described first shaft 90 °;
Described fibre metering conveying device is a kind of fiber transporting device be applied in Oil/gas Well fiber assisted fracturing process disclosed in Chinese patent CN102536188B;
Gauge tap and photoelectric sensor is respectively arranged with, for controlling the amount of injecting material in described fracturing material agitator tank in described fibre metering conveying device and Water Soluble Support agent feeding chamber.
2. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 1, it is characterized in that, funnel is fixedly installed in described fracturing material agitator tank, the top edge of described funnel is connected with the upper end of described fracturing material agitator tank, and the bottom through-hole of described funnel is set in the external diameter of the stirring brace on described first shaft top.
3. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 2, it is characterized in that, described funnel is cone shape; A circle inclination edge is provided with, the flare openings of this inclination above the described funnel in besieged city in the upper end of described funnel; Multiple back-up block is provided with between described funnel and fracturing material agitator tank sidewall.
4. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 3, is characterized in that, the height 0.3-0.8m of described funnel, thickness 0.5-3.0cm; Described inclination edge and horizontal direction angle 10-40 °, height 0.1-0.4m; 4 back-up blocks are provided with, described back-up block length 0.2-0.4m, width 3-10cm between described funnel and fracturing material agitator tank sidewall.
5. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 1, it is characterized in that, described equipment also comprises remote control panel, and this control panel in fracturing material agitator tank, inputs fiber speed by wireless network Real-time Collection first electromagnetic flowmeter and the data on flows of the second electromagnetic flowmeter, the in real time described fibre metering conveying device of control and total amount, the in real time described Water Soluble Support agent feeding chamber of control input Water Soluble Support agent speed and total amount in fracturing material agitator tank; Described control panel is also for remote activation or stop liquid feeding pump and rear pump.
6. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 5, it is characterized in that, the first gauge tap and photoelectric sensor is provided with in described fibre metering conveying device, described first gauge tap is controlled by described remote control panel, inputs fiber for controlling described fibre metering conveying device in real time in fracturing material agitator tank; Described photoelectric sensor is to the speed of described remote control panel real-time Transmission fiber and total amount.
7. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 6, it is characterized in that, the second gauge tap and photoelectric sensor is provided with in described Water Soluble Support agent feeding chamber, described second gauge tap is controlled by described remote control panel, inputs Water Soluble Support agent for controlling described Water Soluble Support agent conveying device in real time in fracturing material agitator tank; Described photoelectric sensor is to the speed of described remote control panel real-time Transmission Water Soluble Support agent and total amount; Described remote control panel also pumps into program for remote setting construction, and then pumps into order when controlling construction, pumps into material and control pumps into material amounts.
8. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 1, is characterized in that, described fibre metering conveying device and Water Soluble Support agent feeding chamber are truncated cone-shaped cavity body structure; The device for producing negative pressure in fracturing material agitator tank is provided with in the bottom of described fibre metering conveying device.
9. a kind of site plant for the laid fracturing process of proppant earthworm cellular type according to claim 1, is characterized in that, described fibre metering conveying device is provided with fiber quality metering scale chi; Described Water Soluble Support agent feeding chamber is provided with Water Soluble Support agent volume metering rule; Described fracturing material agitator tank is respectively arranged with infrared rays content gauge, Butterworth Hatch and bottom support frame.
10. the method for work of equipment as described in claim 1-9 any one, comprises step as follows:
1) arrange that pressing crack construction is on-the-spot, connect all construction pipeline of described equipment;
2) start described fibre metering conveying device, fiber enters described fracturing material agitator tank at the flows by action of negative pressure, and the velocity interval that fiber flows into is 0.1-20000g/min;
3) start Water Soluble Support agent ground helix transporting device, Water Soluble Support agent added in described fracturing material agitator tank along charging aperture, adding velocity interval is 0.1-10m
3/ min;
4) interpolation speed and the total amount of fiber and Water Soluble Support agent is set by described remote control panel; The interpolation state of physics is observed by described fiber quality metering scale chi and Water Soluble Support agent volume metering rule, utilize photoelectric sensor that the speed added materials and interpolation total amount are back to described remote control panel simultaneously, final interpolation speed with described setting and total amount compares in real time, adjust, until consistent with the interpolation speed set and total amount;
5) the startup liquid feeding pump on remote control panel, fracturing fluid flows through the first electromagnetic flowmeter and enters in fracturing material agitator tank, and remote control panel shows of the fracturing fluid inflow velocity in real time;
6) start the first motor, drive the first shaft and stir brace High Rotation Speed, the fracturing fluid in fracturing material agitator tank is mixed with fiber and Water Soluble Support agent;
7) infrared rays content gauge is observed, after being full of appropriate fracturing fluid in fracturing material agitator tank, rear pump is started by remote control panel, make the mixed material in fracturing material agitator tank flow into fracturing blender truck through the second electromagnetic flowmeter and pump in well, described remote control panel shows of the fracturing fluid output speed in real time;
8) step 1 is repeated)-7) complete multiple pulse and add sand, after all completing until construct, by the long-range stopping liquid feeding pump of remote control panel and rear pump work, close fibre metering conveying device and Water Soluble Support agent feeding chamber, pressing crack construction completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410632824.0A CN104389576B (en) | 2014-11-11 | 2014-11-11 | A kind of field apparatus and its method of work that fracturing process is laid for proppant earthworm cellular type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410632824.0A CN104389576B (en) | 2014-11-11 | 2014-11-11 | A kind of field apparatus and its method of work that fracturing process is laid for proppant earthworm cellular type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389576A true CN104389576A (en) | 2015-03-04 |
| CN104389576B CN104389576B (en) | 2017-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410632824.0A Active CN104389576B (en) | 2014-11-11 | 2014-11-11 | A kind of field apparatus and its method of work that fracturing process is laid for proppant earthworm cellular type |
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| CN106290784A (en) * | 2016-08-02 | 2017-01-04 | 中国石油大学(华东) | A kind of acid-rock reaction list rock beam board slit simulation apparatus and method of work thereof |
| CN108590621A (en) * | 2018-04-16 | 2018-09-28 | 中煤科工集团西安研究院有限公司 | High pressure adds sand system and method after underground coal mine hydraulic fracturing remotely continuously pumps |
| CN110905476A (en) * | 2019-11-28 | 2020-03-24 | 西南石油大学 | On-spot proppant's of carrying sand fracturing fluid construction interpolation device |
| CN111097316A (en) * | 2020-01-14 | 2020-05-05 | 刘庆华 | Online premixing and adding device and technological process for temporary plugging steering fibers for acidizing and fracturing |
| CN114053895A (en) * | 2020-07-30 | 2022-02-18 | 中国石油化工股份有限公司 | Sand adding device and method |
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