CN1548701A - Fracturing fluid preparing truck used for petroleum mining field and method for preparing fracturing fluid - Google Patents
Fracturing fluid preparing truck used for petroleum mining field and method for preparing fracturing fluid Download PDFInfo
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- CN1548701A CN1548701A CNA031235913A CN03123591A CN1548701A CN 1548701 A CN1548701 A CN 1548701A CN A031235913 A CNA031235913 A CN A031235913A CN 03123591 A CN03123591 A CN 03123591A CN 1548701 A CN1548701 A CN 1548701A
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- 239000012530 fluid Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005065 mining Methods 0.000 title 1
- 239000003208 petroleum Substances 0.000 title 1
- 239000000843 powder Substances 0.000 claims abstract description 194
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 239000002253 acid Substances 0.000 claims abstract description 71
- 239000000654 additive Substances 0.000 claims abstract description 56
- 230000000996 additive effect Effects 0.000 claims abstract description 55
- 238000005303 weighing Methods 0.000 claims abstract description 36
- 230000008569 process Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 18
- 238000010926 purge Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 10
- 210000000245 forearm Anatomy 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000013329 compounding Methods 0.000 abstract 12
- 238000005336 cracking Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 238000005086 pumping Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 241000219112 Cucumis Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000275012 Sesbania cannabina Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The present invention discloses one kind of pressure cracking base fluid compounding truck and its pressure cracking base fluid compounding process. The pressure cracking base fluid compounding truck consists of truck, transmission system, hydraulic system, fluid compounding system, gas path system, operating and monitoring system and circuit system. The fluid compounding system includes fluid compounding pump, air compressor, powder material tank, powder feeding pipeline, exhaust butterfly valve, powder material weighing tank, cyclone duster, adjustable powder compounding unit, fluid pump, additive liquid tank and additive liquid pump. On the chassis, there is also acid compounding system comprising inlet pipe with butterfly valve, fluid compounding pump, rotating suspension pump, etc. The compounding process includes feeding additive liquid, compounding fluid and compounding acid.
Description
Technical field the present invention relates to the method for a kind of fracturing base fluid preparation car that is used for oilfield and preparation fracturing base fluid, a kind of specifically special vehicle and compound method that is used in the well site on-the-spot preparation fracturing base fluid in oil field sand fracturing construction.
Background technology is at present in oil field sand fracturing construction, during at well site scene complex acid and for acid, need manually move the complex acid pipeline, also will climb up on the ground complex acid jar of 2～3 meters height, two routine people were once taken place fell in the complex acid jar of ground, the incident dead, that burn of being burnt.Existing " liquid distributing pump vehicle that is used for oilfield " is not equipped with acid preparing system on truck chassis, can not finish on a car is dosing complex acid again.
Summary of the invention the present invention has overcome the shortcoming of prior art, and having solved that existing liquid distributing pump vehicle can not finish on a car is dosing complex acid and the problem that need manually move the complex acid pipeline again.
The present invention includes a truck, transmission system, hydraulic system, liquid mixing system, air-channel system, manipulation surveillance, Circuits System are housed on its automobile chassis, handle surveillance and be located on the stand of automobile rear, diesel engine throttle, the inflation of powder jar and powder jar row powder valve, luminous lamp switch, power switch, automobile clutch Push-and-pull valve, dosing pump clutch Push-and-pull valve, diesel engine tachometer are housed on it; Transmission system mainly is made up of automotive transmission, power takeoff, transfer case, three reduction boxes, and power takeoff is installed in the automotive transmission rear end, and two output universal drive shafts connect transfer case power shaft and automobile jackshaft respectively; Transfer case is made up of four parallel axes, the axle that is positioned at lower box is power shaft, three axles that are positioned at casing top are output shaft, the power shaft of transfer case is for being used to the general formula bearing, one end is an input, the other end is an output, and its output links to each other with three reduction boxes by universal drive shaft, and three reduction boxes link to each other with the dosing pump; Hydraulic system mainly is made up of fuel tank, oil filter, hydraulic pump, hydraulic jack, hydraulic motor, control valve, overflow valve etc., and three output shafts of transfer case link to each other with three hydraulic pumps respectively, and hydraulic pump links to each other with hydraulic motor; Liquid mixing system comprises dosing pump, air compressor machine, powder jar, goes up tube cell line, exhaust butterfly valve, is connected with tube cell line and exhaust butterfly valve on the powder jar, and air compressor machine links to each other by the entrance point of flap valve with the powder jar; The entrance point of dosing pump is connected with the suction manifold butterfly valve; Circuits System mainly is made up of fuse, switch, flow meter, illuminating lamp, electric wire; Liquid mixing system also comprises powder weighing jar, cyclone dust collectors, adjustable powder device, goes up liquid pump, additive liquid case, additive liquid pump, the powder jar links to each other with the entrance point of powder weighing jar by row's powder flexible pipe, powder jar row powder valve is housed on row's powder flexible pipe, the powder weighing jar is leaded up to current indicator, butterfly valve and is linked to each other with the entrance point of adjustable powder device, another road links to each other with the entrance point of cyclone dust collectors, and the port of export of cyclone dust collectors links to each other with the entrance point of adjustable powder device by current indicator, butterfly valve; The entrance point of additive liquid case links to each other with additive ground liquid case by last liquid pump, pipetting hose, and the port of export of additive liquid case links to each other with the fracturing base fluid exhaust manifold by additive liquid pump, ball-and-seat; Dosing delivery side of pump end links to each other with adjustable powder device by flow meter, dosing exit butterfly valve, and the port of export of adjustable powder device links to each other with the fracturing base fluid exhaust manifold by butterfly valve, sheet type check-valve; The hydraulic motor of hydraulic system links to each other with last liquid pump, additive liquid pump, air compressor machine, hydraulic jack respectively; Acid preparing system also is housed on the automobile chassis, acid preparing system comprises suction manifold butterfly valve, dosing pump, rotary suspension arm, be fixed with the rotary extension pipe on the rotary suspension arm, dosing delivery side of pump end joins by complex acid exit butterfly valve, rotary extension pipe and ground complex acid jar, ground complex acid jar links to each other with the entrance point of dosing pump by the suction manifold butterfly valve, and dosing delivery side of pump end also passes through flow meter, links to each other with ground complex acid jar for sour exit butterfly valve, fracturing base fluid exhaust manifold; Handle weighing jar the rise and fall flowmeter of control valve, de-plugging air valve, pipeline purging valve, flow meter and pressure meter, additive stream scale also are housed on the surveillance.
The method of preparation fracturing base fluid of the present invention comprises following several steps:
Liquid flow process on the additive:
Pass through pipetting hose, go up liquid pump by additive ground liquid case to additive liquid case feed annex solution;
Last powder flow path:
Powder enters the powder jar from last powder mouth by last tube cell line, and the air in the powder jar enters ground water tank or atmosphere through the exhaust butterfly valve;
The dosing flow process:
Clear water enters the clear water intake by soft suction hose and enters suction manifold butterfly valve arrival dosing pump again, then enters adjustable powder device from flow meter by the dosing exit butterfly valve, is discharged by the fracturing base fluid exhaust manifold by butterfly valve, sheet type check-valve then;
Air compressor machine compressed air enters the powder jar by flap valve, powder in the powder jar enters the powder weighing jar by butterfly valve, pipeline purging butterfly valve, row's powder flexible pipe, the powder that is come out by the powder weighing jar enters adjustable powder device through current indicator, butterfly valve, is discharged by the fracturing base fluid exhaust manifold by butterfly valve, sheet type check-valve then;
Annex solution in the additive liquid case is discharged by the fracturing base fluid exhaust manifold through ball-and-seat by the additive liquid pump;
The dosing pump sucks clear water, after the flow meter metering, enter adjustable powder device, powder from the powder jar after weighing jar metering, mix in adjustable powder device by the vacuum draw powder, powder water liquid after mixed mixes with the additive that comes from the additive liquid pump once more through discharge pipe, is delivered in the fluid reservoir of ground by exhaust manifold in the fracturing base fluid that required ratio prepares;
Change powder flow path:
Air compressor machine compressed air enters the powder jar by flap valve, and the powder in the powder jar enters the powder weighing jar by butterfly valve, row's powder flexible pipe, and the surplus dirt that is come out by the powder weighing jar enters and carries out dedusting in the cyclone dust collectors;
The complex acid flow process:
The acid solution of ground complex acid jar enters the dosing pump through the suction manifold butterfly valve, then supplies with the rotary extension pipe by the complex acid exit butterfly valve, returns ground complex acid jar then;
Supply sour flow process:
The acid solution of ground complex acid jar enters the dosing pump through the suction manifold butterfly valve, then passes through flow meter, arrives the fracturing base fluid exhaust manifold for sour exit butterfly valve, returns ground complex acid jar.
The present invention is used for the on-the-spot special vehicle of preparing fracturing base fluid in the well site during the oil field sand fracturing is constructed, also can be used on the complex acid in the acid fracturing simultaneously and supply acid, and it has realized the operation at scene, the well site preparation fracturing base fluid that the water source is arranged.When blue or green powder in field or melon glue powder preparation fracturing base fluid were used in the oil field, this car can require while prepare pumping to fluid reservoir, with standby after the swelling in pressing crack construction in all proportions.Also can in fracturing base fluid, add various liquid additives in all proportions simultaneously.It is big that this car has the powder of joining a dosing proportion, regulates characteristics such as easy, accurate measurement.Join powder dosing parameter and be the numeral demonstration, straightforward.Compare with base, oil field make-up station dosing method, it has dry powder does not waste, and reduces a large amount of clear water transport amounts, reduces construction cost, alleviates labor strength, advantage such as raise labour productivity.At complex acid and for aspect sour, discharge capacity of the present invention is big, speed is fast, junction line is convenient, especially aspect complex acid, pipeline adopts fluid pressure type rotary suspension arm stretching structure, 4～5 meters length distance, 2～3 meters height distance need not manually be moved zygonema, reduce labour intensity.The present invention is multi-functional pressure break dosing equipment, has realized that a car uses more.Various main control cranks, valve and instrument all concentrate on the stand of automobile tail, are distributed in to handle around the chair, are convenient to centralized Control and supervision.So this device just driver 1 people, operator 1 people, assistant 1 people just can finish the operation of whole flow processs.
Description of drawings Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of transmission system of the present invention;
Fig. 4 is the structural representation of hydraulic system of the present invention;
Fig. 5 is the structural representation of liquid mixing system of the present invention;
Fig. 6 is the structural representation of rotary suspension arm of the present invention;
Fig. 7 is that the A-A of Fig. 6 is to view;
Fig. 8 is the structural representation of cyclone dust collectors of the present invention;
Fig. 9 is that the B-B of Fig. 8 is to view;
The specific embodiment as shown in the figure, the present invention includes a truck, transmission system 1, hydraulic system 2, liquid mixing system 3, air-channel system 5 are housed on its automobile chassis, handle surveillance 6, Circuits System 7, handle surveillance 6 and be located on the stand of automobile rear, diesel engine throttle, powder jar inflation (being air compressor machine 17 clutches) and powder jar row powder valve 57, luminous lamp switch, power switch, automobile clutch Push-and-pull valve, dosing pump clutch Push-and-pull valve, diesel engine tachometer are housed on it; Transmission system 1 mainly is made up of automotive transmission 69, power takeoff 8, transfer case 11, three reduction boxes 9, and power takeoff 8 is installed in automotive transmission 69 rear ends, and two output universal drive shafts connect transfer case 11 power shafts and automobile jackshaft respectively; Transfer case 11 is made up of four parallel axes, the axle that is positioned at lower box is power shaft, three axles that are positioned at casing top are output shaft, the power shaft of transfer case 11 is for being used to the general formula bearing, one end is an input, the other end is an output, and its output links to each other with three reduction boxes 9 by universal drive shaft, and three reduction boxes 9 link to each other with dosing pump 10; Hydraulic system 2 mainly is made up of fuel tank, oil filter, hydraulic pump 12, hydraulic jack, hydraulic motor 14, control valve 23, overflow valve etc., and hydraulic system is an open type hydraulic system, and overflow valve plays release action when oil circuit is obstructed.Three output shafts of transfer case 11 link to each other with three hydraulic pumps 12 respectively, and hydraulic pump 12 links to each other with hydraulic motor 14; Liquid mixing system 3 comprises dosing pump 10, air compressor machine 17, powder jar 30, goes up tube cell line 32, exhaust butterfly valve 33, is connected with tube cell line 32 and exhaust butterfly valve 33 on the powder jar 30, and air compressor machine 17 links to each other with the entrance point of powder jar 30 by flap valve 36; The entrance point of dosing pump 10 is connected with suction manifold butterfly valve 34.Circuits System 7 mainly is made up of fuse, switch, flow meter, illuminating lamp, electric wire; Make power supply with automobile storage battery, voltage 24V.Electronic scale is from charged pool.Liquid mixing system 3 also comprises powder weighing jar 31, cyclone dust collectors 27, adjustable powder device 28, goes up liquid pump 15, additive liquid case 29, additive liquid pump 16, powder jar 30 links to each other with the entrance point of powder weighing jar 31 by row's powder flexible pipe 21, powder jar row powder valve 57 is housed on row's powder flexible pipe 21, between powder jar 30 and the powder weighing jar 31 pipeline purging butterfly valve 43 is housed; Powder weighing jar 31 is leaded up to current indicator 37, butterfly valve 52 and is linked to each other with the entrance point of adjustable powder device 28, and another road links to each other with the entrance point of cyclone dust collectors 27, on the adjustable powder device 28 de-plugging cylinder 26 is housed.The port of export of cyclone dust collectors 27 links to each other with the entrance point of adjustable powder device 28 by current indicator 37, butterfly valve 52; The entrance point of additive liquid case 29 links to each other with additive ground liquid case 50 by last liquid pump 15, pipetting hose 25, the port of export of additive liquid case 29 links to each other with fracturing base fluid exhaust manifold 35 by additive liquid pump 16, ball-and-seat, and additive liquid case blowoff valve 58 is equipped with in the bottom of additive liquid case 29; The port of export of dosing pump 10 links to each other with adjustable powder device 28 by flow meter 38, dosing exit butterfly valve 41, and the port of export of adjustable powder device 28 links to each other with fracturing base fluid exhaust manifold 35 by butterfly valve 51, sheet type check-valve 42; The hydraulic motor 14 of hydraulic system 2 links to each other with last liquid pump 15, additive liquid pump 16, air compressor machine 17, hydraulic jack 22, hydraulic jack 55 respectively, and two additive liquid pumps 16 are equipped with valve 53, valve 54 respectively, drain residual liquid when it act as termination of pumping.Acid preparing system 4 also is housed on the automobile chassis, acid preparing system 4 comprises suction manifold butterfly valve 34, dosing pump 10, rotary suspension arm, be fixed with rotary extension pipe 13 on the rotary suspension arm, the port of export of dosing pump 10 joins with ground complex acid jar by complex acid exit butterfly valve 39, rotary extension pipe 13, ground complex acid jar links to each other with the entrance point of dosing pump 10 by suction manifold butterfly valve 34, and the port of export of dosing pump 10 also passes through flow meter 38, links to each other with ground complex acid jar for sour exit butterfly valve 40, fracturing base fluid exhaust manifold 35.
Air-channel system 5 mainly is made up of an air compressor machine 17, air filter, flap valve 36.Owing in the present invention, disposed air compressor machine 17 than big discharge capacity, use for powder jar 30 crosswind, therefore can make bigger sesbania powder of viscosity or melon glue powder form the eddy flow state for 30 li, thereby make that the powder whereabouts at powder jar 30 taper positions is easier than making at the powder jar.The opening pressure of safety valve of powder jar 30 is 0.1Mpa.
Handle weighing jar rise and fall control valve (promptly controlling hoisting of electronic scale), de-plugging air valve, pipeline purging valve, supervisory instrument also are housed on the surveillance 6, supervisory instrument has the flowmeter of diesel engine tachometer, flow meter and pressure meter (being used to control air pressure and powder jar air pressure), additive stream scale.The commentaries on classics that drives air compressor machine 17 with hydraulicdirectional control valve stops, and handles surveillance and can show clear water flow, clear water cumulant, annex solution flow, annex solution cumulant, carry air pressure, control air pressure, powder jar air pressure, diesel engine speed, powder to weigh.
Rotary suspension arm comprises column 20, postbrachium 19, forearm 18, fixedlys connected with two hydraulic jacks 22, a column hydraulic jack 55 respectively, and column 20 flexibly connects by bearing pin 44 with postbrachium 19, and postbrachium 19 flexibly connects by bearing pin 44 with forearm 18; Rotary column 48 is housed in the column 20, column 20 is fixedlyed connected with the cylinder body of column hydraulic jack 55 by fixed head 49, swivel plate 45 is housed on the rotary column 48, swivel plate 45 flexibly connects by the piston rod 46 of roller 24 with column hydraulic jack 55, the edge of swivel plate 45 has involute shape track 47, and roller 24 rolls along involute shape track 47.The rotation of rotary column 48 drives 13 rotations of rotary extension pipe, and the anglec of rotation is moved in 0-100 ° of scope.
As shown in Figure 3, Figure 4, power takeoff 8 is one three two-stage involute cylindrical gear transmission cases, next root power transmission shaft is equipped with the involute cylindrical gear connector, be used for selecting to drive transfer case 11 or automobile jackshaft, its connector is hung to close and break away from by being installed in the indoor push-and-pull Air Valve Control clutch of car steering and is realized.Power reaches transfer case 11 power shafts by power takeoff 8, universal drive shaft, and power shaft had not only been imported power, but also outputting power, and its output drives three reduction boxes 9 by universal drive shaft, drives dosing pump 10 then.Three output shafts that are positioned at casing top drive three hydraulic pumps 12 and drive 14 work of five hydraulic motors and provide hydraulic oil to three hydraulic jacks. Hydraulic jack 22,55 drives the flexible of rotary extension pipes 13 and up and down.The motor of start-uping a car with middling speed idle running a period of time, heats up motor gradually, when treating that air pressure reaches 0.6Mpa on the automobile combination table, depresses clutch, and automobile places 8 grades, hangs and closes power takeoff 8; Unclamp automobile clutch, transfer case 11 is imported power at this moment, and the power taking indicator lamp is shinny.When carrying out the operation of each flow process, forbid to forward the power takeoff control valve to road location.
As shown in Figure 5, the method for preparation fracturing base fluid of the present invention comprises following several steps:
Before the dosing, close butterfly valve 52, after the pipeline circulation produces vacuum, open butterfly valve 52, begin to join powder; When vacuum absorption, increase to atmosphere by the butterfly valve 59 that is positioned at powder weighing jar 31 lower ends.
Liquid flow process on A, the additive
By additive ground liquid case 50 by liquid pump 15 on pipetting hose 25, the gear type to the various annex solutions of additive liquid case 29 feeds, use during in order to the preparation fracturing base fluid.The fluid motor of liquid pump 15 on starting under eight grades of diesel engine 1700rpm of automobile, the last liquid situation of observing additive liquid case 29, liquid is filled to termination of pumping after the required liquid measure.
B, last powder flow path (this flow process is carried out in the pulvis accumulator plant)
Powder enters powder jar 30 from last powder mouth by last tube cell line 32, and the air in the powder jar 30 enters ground water tank or atmosphere through exhaust butterfly valve 33.Open exhaust butterfly valve 33, adjust the respective valves on the tube cell line 32 on the storage powder station, powder on the powder jar 30, treat that powder jar 30 is filled powder after, the respective valves on the tube cell line 32 is closed in the pass.
C, dosing flow process
Clear water enters the clear water intake by soft suction hose and enters suction manifold butterfly valve 34 (four on every limit) arrival dosing pump 10 again, then enter adjustable powder device 28 by dosing exit butterfly valve 41, discharge (three on every limit) by butterfly valve 51, sheet type check-valve 42 by fracturing base fluid exhaust manifold 35 then from flow meter 38.
Annex solution in the additive liquid case 29 is discharged by fracturing base fluid exhaust manifold 35 through ball-and-seat by additive liquid pump 16;
D, commentaries on classics powder flow path
E, complex acid flow process
Mainly be the configuration acid solution, be used for acid fracturing.During complex acid, close, open complex acid exit butterfly valve 39 for sour exit butterfly valve 40, dosing exit butterfly valve 41, butterfly valve 51.
The acid solution of ground complex acid jar enters dosing pump 10 through suction manifold butterfly valve 34, then supplies with rotary extension pipe 13 by complex acid exit butterfly valve 39, returns ground complex acid jar then, finishes a complex acid circulation.
F, the sour flow process of confession
The acid solution of ground complex acid jar enters dosing pump 10 through suction manifold butterfly valve 34, then passes through flow meter 38, arrives fracturing base fluid exhaust manifolds 35 for sour exit butterfly valve 40, returns ground complex acid jar, finishes one and supplies acid to circulate.
During dosing, handling on the operating desk of surveillance 6, stirring the power switch of electronic scale and flowmeter, (night time operation also can be stirred Der StandlichtScheinwerfer und Parkleuchtenschalter) presses the startup button of electronic scale instrument.Two cam clamps of powder weighing jar 31 bottoms are unclamped fell.Manual air valve (electronic scale hoists) on the pull-up operating desk makes powder weighing jar 61 unsettled.Close powder jar 30 all valves, the air compressor machine starting handle on the twisting operating desk.At this moment, air compressor machine 17 rotations, powder jar 30 begins inflation.When air gauge pressure points to 0.05Mpa, be interrupted the manual air valve of pull-up (pipeline purging), the pass makes pipeline pipeline purging runner unimpeded when opening during pipeline purging butterfly valve 43.Pull-up powder jar row powder valve 57 is observed electronic scale and show that strictness is simultaneously watched inflation gauge attentively and must not be surpassed 0.1Mpa this moment.Observe from the electronics display instrument, (the electronic scale maximum capacity is 250kg) depressed manual air valve (powder feeding) powder jar row powder valve 57 and closed the while manual air valve of pull-up (pipeline purging), 43 unlatchings of pipeline purging butterfly valve when your required powder was much of that.Close air compressor machine 17 and stop to supply gas, 30 inflations of powder jar stop.Press valve (pipeline purging) after pipeline purging finishes, pipeline purging butterfly valve 43 cuts out, and pipeline purging stops.Pulling clutch air valve and dosing pump air valve on operating desk, at this moment, dosing pump 10 starts, and after liquid works well, opens dosing exit butterfly valve 41, dosing begins, and transfers the handwheel of adjustable powder device 28, reach the required vacuum of powder (0.03～-0.05Mpa).Adjust butterfly valve 52, make powder cover (time of passing by with reference to wrist-watch and electronic scale display list numeral successively decrease speed carry out the valve adjustment) in the time that one jar of water is covered.First jar joined after, pressure control valve on low-pressure manifold, and repeat above action carries out second jar of dosing, till all having joined.Hang when needing doping liquid and close additive liquid pump 16, till the flow of adjusting additive liquid pump 16 reaches liquid water ratio and requires.After dosing reaches aequum, at first close dosing exit butterfly valve 41, throw off additive liquid pump 16 and dosing pump 10 then.The liquid that retains in the pipeline is put totally, closed all the other valves.
During complex acid, connect the connecting line of ground complex acid jar and suction manifold butterfly valve 34, operate rotary suspension arm again after unclamping the cam clamp of rotary suspension arm.Lift handgrip, arm risen, cross the height of limited block after, lift handgrip (rotary suspension arm rotation), make rotary suspension arm aim at ground complex acid jar, press down handgrip, arm shrinks, forearm is descended, adjust arm lifting and hoisting arm expansion, reach desired location, when arm with after ground complex acid jar is aimed at, open suction manifold butterfly valve 34, complex acid exit butterfly valve 39, close dosing exit butterfly valve 41, supply sour exit butterfly valve 40.Pulling automobile clutch air valve and dosing pump air valve on operating desk start dosing pump 10, adjust throttle, reach till the required discharge capacity of complex acid.During for acid, connect the suction manifold of fracturing base fluid exhaust manifold 35 and fracturing unit truck, pulling automobile clutch air valve and dosing pump air valve on operating desk start dosing pump 10, adjust throttle, reach for till the sour required discharge capacity.
Annotate: each operating procedure of this flow process should be connected mutually, and interval time is short more good more, guarantees its dosing precision.Be positioned at two cam clamps of powder weighing jar 31 bottoms, when the moving row of automobile, will tighten, will unclamp during work and fall.Must not draw air valve (electronic scale hoists) when not falling,, damage the electronic scale sensor in order to avoid the cylinder pulling force is too big.The de-plugging cylinder 26 of adjustable powder device 28 tops is used for de-plugging, because of the dust distributor dry powder that easily bonds stops up, so need frequent de-plugging when work, observes the mobility status of dry powder by current indicator 37, if anomaly should in time solve.Only after dosing pump 10 enters operate as normal, dosing exit butterfly valve 41 could be opened, must close dosing exit butterfly valve 41 before a pump and the termination of pumping, cause rises before the pump and the influence of vacuum is arranged in the discharge pipe after the termination of pumping, water easily enters in the tube cell, causes the accident, and what influence was constructed normally carries out.
After dosing finishes, finish following action, can return the vehicle to the garage and knock off.Open the exhaust butterfly valve 33 of powder jar; Press manual air valve (electronic scale hoists), powder weighing jar 31 is dropped on the platen, and compress two cam clamps.Close all power supplys.Open butterfly valve 53, butterfly valve 54, butterfly valve 56, residual liquid in the discharging tube line.
Claims (6)
1, a kind of fracturing base fluid preparation car that is used for oilfield, comprise a truck, transmission system, hydraulic system, liquid mixing system, air-channel system, manipulation surveillance, Circuits System are housed on its automobile chassis, handle surveillance and be located on the stand of automobile rear, diesel engine throttle, the inflation of powder jar and powder jar row powder valve, luminous lamp switch, power switch, automobile clutch Push-and-pull valve, dosing pump clutch Push-and-pull valve, diesel engine tachometer are housed on it; Transmission system mainly is made up of automotive transmission, power takeoff, transfer case, three reduction boxes, and power takeoff is installed in the automotive transmission rear end, and two output universal drive shafts connect transfer case power shaft and automobile jackshaft respectively; Transfer case is made up of four parallel axes, the axle that is positioned at lower box is power shaft, three axles that are positioned at casing top are output shaft, the power shaft of transfer case is for being used to the general formula bearing, one end is an input, the other end is an output, and its output links to each other with three reduction boxes by universal drive shaft, and three reduction boxes link to each other with the dosing pump; Hydraulic system mainly is made up of fuel tank, oil filter, hydraulic pump, hydraulic jack, hydraulic motor, control valve, overflow valve etc., and three output shafts of transfer case link to each other with three hydraulic pumps respectively, and hydraulic pump links to each other with hydraulic motor; Liquid mixing system comprises dosing pump, air compressor machine, powder jar, goes up tube cell line, exhaust butterfly valve, is connected with tube cell line and exhaust butterfly valve on the powder jar, and air compressor machine links to each other by the entrance point of flap valve with the powder jar; The entrance point of dosing pump is connected with the suction manifold butterfly valve; Circuits System mainly is made up of fuse, switch, flow meter, illuminating lamp, electric wire; It is characterized in that: described liquid mixing system (3) also comprises powder weighing jar (31), cyclone dust collectors (27), adjustable powder device (28), last liquid pump (15), additive liquid case (29), additive liquid pump (16), powder jar (30) links to each other with the entrance point of powder weighing jar (31) by row's powder flexible pipe (21), powder jar row powder valve (57) is housed on row's powder flexible pipe (21), powder weighing jar (31) is leaded up to current indicator (37), butterfly valve (52) links to each other with the entrance point of adjustable powder device (28), another road links to each other with the entrance point of cyclone dust collectors (27), and the port of export of cyclone dust collectors (27) is by current indicator (37), butterfly valve (52) links to each other with the entrance point of adjustable powder device (28); The entrance point of additive liquid case (29) links to each other with additive ground liquid case (50) by last liquid pump (15), pipetting hose (25), and the port of export of additive liquid case (29) links to each other with fracturing base fluid exhaust manifold (35) by additive liquid pump (16), ball-and-seat; The port of export of described dosing pump (10) links to each other with adjustable powder device (28) by flow meter (38), dosing exit butterfly valve (41), and the port of export of adjustable powder device (28) links to each other with fracturing base fluid exhaust manifold (35) by butterfly valve (51), sheet type check-valve (42); The hydraulic motor (14) of described hydraulic system (2) links to each other with last liquid pump (15), additive liquid pump (16), air compressor machine (17), hydraulic jack (22,55) respectively; Acid preparing system (4) also is housed on the described automobile chassis, acid preparing system (4) comprises suction manifold butterfly valve (34), dosing pump (10), rotary suspension arm, be fixed with rotary extension pipe (13) on the rotary suspension arm, the port of export of dosing pump (10) is by complex acid exit butterfly valve (39), rotary extension pipe (13) joins with ground complex acid jar, ground complex acid jar links to each other with the entrance point of dosing pump (10) by suction manifold butterfly valve (34), and the port of export of dosing pump (10) is also by flow meter (38), for sour exit butterfly valve (40), fracturing base fluid exhaust manifold (35) links to each other with ground complex acid jar; Handle weighing jar the rise and fall flowmeter of control valve, de-plugging air valve, pipeline purging valve, flow meter and pressure meter, additive stream scale also are housed on the surveillance (6).
2, the fracturing base fluid preparation car that is used for oilfield according to claim 1 is characterized in that: between described powder jar (30) and the powder weighing jar (31) pipeline purging butterfly valve (43) is housed.
3, the fracturing base fluid preparation car that is used for oilfield according to claim 1 and 2 is characterized in that: de-plugging cylinder (26) is housed on the described adjustable powder device (28).
4, the fracturing base fluid preparation car that is used for oilfield according to claim 3, it is characterized in that: described rotary suspension arm comprises column (20), postbrachium (19), forearm (18), fixedly connected with two hydraulic jacks (22), a column hydraulic jack (55) respectively, column (20) flexibly connects by bearing pin (44) with postbrachium (19), and postbrachium (19) flexibly connects by bearing pin (44) with forearm (18); Rotary column (48) is housed in the column (20), column (20) is fixedlyed connected with the cylinder body of column hydraulic jack (55) by fixed head (49), swivel plate (45) is housed on the rotary column (48), swivel plate (45) flexibly connects by the piston rod (46) of roller (24) with column hydraulic jack (55), the edge of swivel plate (45) has involute shape track (47), and roller (24) rolls along involute shape track (47).
5, the fracturing base fluid preparation car that is used for oilfield according to claim 4, it is characterized in that: described cyclone dust collectors (27) comprise urceolus (60) and inner core (61), inner core (61) is located in the urceolus (60), by last inner core (62), middle inner core (63), following inner core (64) is formed, last inner core (62), middle inner core (63), the shape of following inner core (64) is upper circular, the bottom is a truncated cone, air inlet pipe (65) is passed urceolus (60) and is communicated with middle inner core (63), last inner core (62) communicates with urceolus (60) by inner core stack (67), urceolus stack (66) is housed on the urceolus (60), and surplus powder collecting pipe (68) is equipped with in the cylindrical shell bottom.
6, a kind of fracturing base fluid compound method that is used for oilfield, it is characterized in that: its method comprises following several steps:
Liquid flow process on the additive:
Pass through pipetting hose 25, go up liquid pump 15 by additive ground liquid case 50 to additive liquid case 29 feed annex solutions;
Last powder flow path:
Powder enters powder jar 30 from last powder mouth by last tube cell line 32, and the air in the powder jar 30 enters ground water tank or atmosphere through exhaust butterfly valve 33;
The dosing flow process:
Clear water enters the clear water intake by soft suction hose and enters suction manifold butterfly valve 34 arrival dosing pumps 10 again, then enter adjustable powder device 28 by dosing exit butterfly valve 41, discharge by fracturing base fluid exhaust manifold 35 by butterfly valve 51, sheet type check-valve 42 then from flow meter 38;
Air compressor machine 17 compressed air enter powder jar 30 by flap valve 36, powder in the powder jar 30 enters powder weighing jar 31 by butterfly valve 57, pipeline purging butterfly valve 43, row's powder flexible pipe 21, the powder that is come out by powder weighing jar 31 enters adjustable powder device 28 through current indicator 37, butterfly valve 52, is discharged by fracturing base fluid exhaust manifold 35 by butterfly valve 51, sheet type check-valve 42 then;
Annex solution in the additive liquid case 29 is discharged by fracturing base fluid exhaust manifold 35 through ball-and-seat by additive liquid pump 16;
Dosing pump 10 sucks clear water, after flow meter 38 meterings, enter adjustable powder device 28, powder from powder jar 30 after weighing jar 31 metering, by the vacuum draw powder in 28 li mixing of adjustable powder device, powder water liquid after mixed mixes with additive from additive liquid pump 16 once more through discharge pipe, is delivered in the fluid reservoir of ground by exhaust manifold 35 in the fracturing base fluid that required ratio prepares;
Change powder flow path:
Air compressor machine 17 compressed air enter powder jar 30 by flap valve 36, and the powders in the powder jar 30 enter powder weighing jar 31 by butterfly valve 57, row's powder flexible pipe 21, and the surplus dirt that is come out by powder weighing jar 31 enters and carries out dedusting in the cyclone dust collectors 27;
The complex acid flow process:
The acid solution of ground complex acid jar enters dosing pump 10 through suction manifold butterfly valve 34, then supplies with rotary extension pipe 13 by complex acid exit butterfly valve 39, returns ground complex acid jar then;
Supply sour flow process:
The acid solution of ground complex acid jar enters dosing pump 10 through suction manifold butterfly valve 34, then passes through flow meter 38, arrives fracturing base fluid exhaust manifolds 35 for sour exit butterfly valve 40, returns ground complex acid jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031235913A CN1548701A (en) | 2003-05-18 | 2003-05-18 | Fracturing fluid preparing truck used for petroleum mining field and method for preparing fracturing fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031235913A CN1548701A (en) | 2003-05-18 | 2003-05-18 | Fracturing fluid preparing truck used for petroleum mining field and method for preparing fracturing fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1548701A true CN1548701A (en) | 2004-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031235913A Pending CN1548701A (en) | 2003-05-18 | 2003-05-18 | Fracturing fluid preparing truck used for petroleum mining field and method for preparing fracturing fluid |
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| CN (1) | CN1548701A (en) |
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