CN100567700C - A kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive - Google Patents
A kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive Download PDFInfo
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- CN100567700C CN100567700C CNB2006100104699A CN200610010469A CN100567700C CN 100567700 C CN100567700 C CN 100567700C CN B2006100104699 A CNB2006100104699 A CN B2006100104699A CN 200610010469 A CN200610010469 A CN 200610010469A CN 100567700 C CN100567700 C CN 100567700C
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Abstract
A kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive, it relates to a kind of submersible electric pump oil extraction system that utilizes linear electric motors to drive.Oil production system of reciprocating submersible electric pump at the linear electric motors driving, because the linear electric motors that adopted do not have functions such as sand control, sand in the well liquid easily enters in the gap of the mover of linear electric motors and stator, influences oil production system of reciprocating submersible electric pump operate as normal problem.Bleeder is housed in the oil pipe, and the two ends of reciprocating plunger pump are affixed with oil pipe and linear electric motors respectively, and the two ends of cable are connected with frequency changing regulating speed control apparatus with linear electric motors respectively; Reciprocating plunger pump is wherein a kind of of reciprocating type separate zone whole production plunger displacement pump, reciprocating type separate zone whole production black soy sauce plunger displacement pump or reciprocating double-action plunger displacement pump, and linear electric motors are sand control linear electric motors.The present invention's sand control linear electric motors that recover the oil drive reciprocating submersible electric pump work, reach linear electric motors anti-sticking purpose, have guaranteed the operate as normal of oil production system of reciprocating submersible electric pump.
Description
Technical field
The present invention relates to a kind of submersible electric pump oil extraction system that utilizes linear electric motors to drive.
Background technology
Existing oil production system of reciprocating submersible electric pump is that linear electric motors and plunger oil-well pump are combined as a whole, and utilizes the plunger of linear electric motors direct actuation plunger formula oil well pump in the down-hole to move back and forth, and finishes suction.Because the linear electric motors that adopted do not have functions such as sand control, impurity such as the sand in the well liquid, greasy dirt, dirty sheet enter in the gap of the mover of linear electric motors and stator easily, causing that linear electric motors are stuck can't operate as normal, go down for a long time to damage linear electric motors, reduce the application life of linear electric motors, also can influence the operate as normal of oil production system of reciprocating submersible electric pump simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive, it can solve the linear electric motors that oil production system of reciprocating submersible electric pump adopts and not have functions such as sand control, impurity such as the sand in the well liquid, greasy dirt, dirty sheet enter in the gap of the mover of linear electric motors and stator easily, causing that linear electric motors are stuck can't operate as normal, go down for a long time to damage linear electric motors, reduce the application life of linear electric motors, also can influence the problem of the operate as normal of oil production system of reciprocating submersible electric pump simultaneously.
The present invention includes oil pipe, sleeve pipe, bleeder, reciprocating plunger pump, linear electric motors, well head, cable and frequency changing regulating speed control apparatus; Well head is fixed on the upper end of sleeve pipe, and oil pipe is arranged in the sleeve pipe, and fixedly connected with the lower end of well head in the upper end of oil pipe, bleeder is housed in the oil pipe; The port of export of described reciprocating plunger pump is fixedlyed connected with the lower end of oil pipe, fixedly connected with the upper end of linear electric motors in the lower end of reciprocating plunger pump, one end of cable is connected with the wiring terminal of linear electric motors, and the other end of cable is connected with frequency changing regulating speed control apparatus; Described reciprocating plunger pump is reciprocating type separate zone whole production plunger displacement pump, reciprocating type separate zone whole production black soy sauce plunger displacement pump or reciprocating double-action plunger displacement pump, described linear electric motors are the sand control linear electric motors, described sand control linear electric motors are ripple shell type sand control oil immersion line motor or cup type sand control oil immersion line motor, and described ripple shell type sand control oil immersion line motor is made up of motor stator, electric mover, motor coil, upper connecting tube, lower linking tube, last elastic corrugated cover and following elastic corrugated cover; Upper connecting tube is set in the outside of electric mover with lower linking tube and fixedlys connected with the upper and lower end of motor stator respectively, and upward elastic corrugated cover and following elastic corrugated cover are separately positioned in upper connecting tube and the lower linking tube and are set on the outside of electric mover; The described upper and lower end of elastic corrugated cover is connected by sealing with the external surface of the electric mover of motor stator top and the upper surface of motor stator respectively; The upper and lower end of described elastic corrugated cover down is connected by sealing with the lower surface of motor stator and the external surface of the electric mover below the motor stator respectively, and an end of described cable is connected with the wiring terminal of motor stator; Described cup type sand control oil immersion line motor by linear motor stator electric, linear motor rotor, go up tube connector, down tube connector, go up connecting axle, connecting axle and last sand scraping sleeve are formed down; The inner chamber of linear motor stator electric is provided with linear motor rotor, last tube connector is fixedlyed connected with the upper and lower end of linear motor stator electric respectively with following tube connector, last connecting axle is fixedlyed connected with the upper and lower end of linear motor rotor respectively with following connecting axle, the upper end edge circumferencial direction of last sand scraping sleeve has slit on several, the described sand scraping sleeve of going up is sleeved on the last connecting axle that is connected with linear motor rotor above the linear motor stator electric, fixedly connected with the inwall of last tube connector in the following convex edge of last sand scraping sleeve, an end of described cable is connected with the wiring terminal of linear motor stator electric.
The present invention has following beneficial effect: one, oil extraction system of the present invention is combined as a whole sand control linear electric motors and reciprocating submersible electric pump, utilizes the sand control linear electric motors directly to drive reciprocating submersible electric pump in the down-hole and moves back and forth the suction operation of finishing fluid.The sand control linear electric motors that adopted are ripple shell type sand control oil immersion line motor or cup type sand control oil immersion line motor; Adopt ripple shell type sand control oil immersion line motor, can realize the sealing of described linear electric motors inside by last elastic corrugated cover and following elastic corrugated cover, thereby impurity such as sand, greasy dirt, dirty sheet can not be entered in the gap of electric mover and motor stator, reach the purpose of linear electric motors anti-sticking, thereby prolonged the application life of linear electric motors; Adopt cup type sand control oil immersion line motor,, can make it have certain elasticity, tightly stick on the external diameter of connecting axle owing on last sand scraping sleeve, have several slits; Both guaranteed the motion of described linear motor rotor in linear motor stator electric freely, sand can not be entered in the motor cavity from the gap that last sand scraping sleeve cooperates with last connecting axle, impurity such as the sand in the well liquid, greasy dirt, dirty sheet can be scraped away from last connecting axle by last sand scraping sleeve, thereby avoid impurity such as sand, greasy dirt, dirty sheet to enter in the gap of linear motor rotor and linear motor stator electric, reach the purpose of linear electric motors anti-sticking, thereby prolonged the application life of linear electric motors.To sum up, no matter the present invention adopts ripple shell type sand control oil immersion line motor still is that cup type sand control oil immersion line motor drives the reciprocating submersible electric pump reciprocating motion, can both guarantee the long-term operate as normal of oil extraction system.
Description of drawings
Fig. 1 is an overall structure front view of the present invention, Fig. 2 is overall structure front view of the present invention (reciprocating plunger pump 4 adopts reciprocating type separate zone whole production plunger displacement pump 10), Fig. 3 is overall structure front view of the present invention (reciprocating plunger pump 4 adopts reciprocating type separate zone whole production black soy sauce plunger displacement pump 11), Fig. 4 is overall structure front view of the present invention (reciprocating plunger pump 4 adopts reciprocating double-action plunger displacement pump 12), Fig. 5 is the overall structure front view of ripple shell type sand control oil immersion line motor 40, Fig. 6 is the overall structure front view of cup type sand control oil immersion line motor 48, Fig. 7 is the cross-sectional structure schematic diagram of combined type coiled tubing 58, Fig. 8 is the overall structure front view of combined type continuous hose 66, and Fig. 9 is the A-A sectional drawing of Fig. 8; Figure 10 is the overall structure front view of side valve type bleeder 93, and Figure 11 is the overall structure front view of testing pressure down hole device 117, and Figure 12 is the overall structure front view of directional homing formula oil pumping pump valve 143.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 4 present embodiment is described, present embodiment is made up of oil pipe 1, sleeve pipe 2, reciprocating plunger pump 4, linear electric motors 5, bleeder 3, well head 7, cable 8 and frequency changing regulating speed control apparatus 9; Well head 7 is fixed on the upper end of sleeve pipe 2, and oil pipe 1 is arranged in the sleeve pipe 2, and fixedly connected with the lower end of well head 7 in the upper end of oil pipe 1, bleeder 3 is housed in the oil pipe 1; The port of export of described reciprocating plunger pump 4 is fixedlyed connected with the lower end of oil pipe 1, fixedly connected with the upper end of linear electric motors 5 in the lower end of reciprocating plunger pump 4, one end of cable 8 is connected with the wiring terminal of linear electric motors 5, and the other end of cable 8 is connected with frequency changing regulating speed control apparatus 9; Described reciprocating plunger pump 4 is reciprocating type separate zone whole production plunger displacement pump 10, reciprocating type separate zone whole production black soy sauce plunger displacement pump 11 or reciprocating double-action plunger displacement pump 12.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1, Fig. 2 and Figure 12, the reciprocating plunger pump 4 of present embodiment is reciprocating type separate zone whole production plunger displacement pump 10, and described reciprocating type separate zone whole production plunger displacement pump 10 is by oil well pump 13 on first, first packer 14, oil pipe 15 and following oil well pump 16 are formed down; On the lower end of oil pipe 1 and first fixedly connected in the upper end of oil well pump 13, fixedly connected with the upper end of described linear electric motors 5 in the lower end of taking out pump 13 on first, following oil pipe 15 is positioned at the lower end of linear electric motors 5, fixedly connected with linear electric motors 5 in the upper end of following oil pipe 15, first packer 14 fixedly is housed on the outer wall of following oil pipe 15, and described oil well pump 16 is down made one with linear electric motors 5; Oil well pump 13 is made up of upper plug 137, last pump barrel 138 and ball valve 139 on described first; Described ball valve 139 is made up of last standing valve 140, last pump travelling valve 1 and last pump travelling valve 2 142; Fixedly connected with the lower end of oil pipe 1 in the upper end of last pump barrel 138, in the last pump barrel 138 standing valve 140 is housed fixedly, in the last pump barrel 138 of last standing valve 140 lower ends upper plug 137 is housed, fixedly connected with linear electric motors 5 in the lower end of last pump barrel 138, pump travelling valve 1 and last pump travelling valve 2 142 from top to bottom are housed in the upper plug 137 successively.So be provided with, have only when pressing down greater than last pressure, last standing valve 140 could be opened, oppositely pressure reduction is then closed, and the upper and lower valve that moves about moves in last pump barrel 138 with upper plug 137, and the upper and lower valve that moves about also has only when pressing down greater than last pressure and could open, oppositely pressure reduction is then closed, so be provided with, it is simple in structure, installs easily and makes.Present embodiment is combined as a whole its structure design compactness, dependability height with linear electric motors 5 and following oil well pump.Other composition and annexation are identical with the specific embodiment one.
In the present embodiment, also available directional homing formula oil pumping pump valve 143 substitutes upper ball valve 139; Described directional homing formula oil pumping pump valve 143 is made up of valve bonnet 144, transition box cupling 145, valve base joint 146, valve seat 147, valve ball 148 and back-moving spring 149; The upper and lower end of described transition box cupling 145 is threaded with valve bonnet 144 and valve base joint 146 respectively and valve seat 147 is arranged between the upper surface and transition box cupling 145 of valve base joint 146, described valve ball 148 is arranged on the top of valve seat 147, the top of described valve bonnet 144 inwalls is provided with inner convex platform 150, described back-moving spring 149 is arranged between the soffit and valve ball 148 of inner convex platform 150 of valve bonnet 144, by spring force can guarantee valve ball 148 rapidly, return exactly, avoided pump valve to close the problem that lags behind and be not closed completely effectively.Its result of use is better than ball valve 139.
The specific embodiment three: present embodiment is described in conjunction with Fig. 1 and Fig. 3, the reciprocating plunger pump 4 of present embodiment is reciprocating type separate zone whole production black soy sauce plunger displacement pump 11, and described reciprocating type separate zone whole production black soy sauce plunger displacement pump 11 is made up of oil well pump on second 17, second packer 18, second time oil well pump 19, screen casing 20 and plug 21; On the lower end of oil pipe 1 and second fixedly connected in the upper end of oil well pump 17, fixedly connected with the upper end of described linear electric motors 5 in the lower end of taking out pump 17 on second, fixedly connected with the upper end of second time oil well pump 19 in the lower end of linear electric motors 5, second packer 18 is installed in the inner chamber of the sleeve pipe 2 between linear electric motors 5 and the second time oil well pump 19, screen casing 20 fixedly is equipped with in the lower end of second time oil well pump 19, and plug 21 fixedly is equipped with in the lower end of screen casing 20.Present embodiment is combined as a whole linear electric motors 5 and two oil well pumps, utilizes linear electric motors 5 directly to drive upper and lower two oil well pumps in the down-hole and moves back and forth the suction operation of finishing fluid.
The structure of oil well pump 13 is identical on in the present embodiment second in the structure of oil well pump 17 and second time oil well pump 19 and the specific embodiment one first.
The specific embodiment four: in conjunction with Fig. 1 and Fig. 4 present embodiment is described, the reciprocating plunger pump 4 of present embodiment is a reciprocating double-action embolism pump 12, and described reciprocating double-action plunger displacement pump 12 is made up of standing valve 22, oil well pump 23 and lower linking tube 24; Described oil well pump 23 by urceolus 25, go up delivery valve 26, plunger 27, pump barrel 28, middle delivery valve 29, middle inlet valve 30, down inlet valve 31, go up annulus seat 32, annulus seat 33 and middle annulus seat 34 are formed down; Fixedly connected with the lower surface of standing valve 22 in the upper surface of urceolus 25, pump barrel 28 is contained in the urceolus 25, annulus seat 32 fixedly is housed between pump barrel 28 and the urceolus 25 from top to bottom successively, middle annulus seat 34 and following annulus seat 33, last annulus seat 32 along the circumferential direction uniform porose 35, delivery valve 29 in along the circumferential direction uniform being provided with of middle annulus seat 34, following annulus seat 33 is along the circumferential direction uniform be provided with in inlet valve 30, along the circumferential direction be evenly equipped with radial hole 36 on the outer wall of the pump barrel 28 between middle annulus seat 34 and the following annulus seat 33, fixedly connected with the lower end of oil pipe 1 in the upper end of pump barrel 28, round platform 37 in upper end in the pump barrel 28 is provided with, interior round platform 37 is provided with the axially extending bore 38 that matches with plunger 27 upper end external diameters, plunger 27 is contained in the pump barrel 28, the lower end of plunger 27 is provided with outer shoulder 39, form toroidal cavity 6 between plunger 27 and the pump barrel 28, delivery valve 26 is equipped with in upper end in the plunger 27, inlet valve 31 is equipped with down in lower end in the plunger 27, fixedlying connected with the upper end of described linear electric motors 5 in the lower end of plunger 27, fixedlys connected with the upper end of lower linking tube 24 in the lower end of linear electric motors 5.Present embodiment is combined as a whole linear electric motors 5 and plunger oil-well pump, and utilize linear electric motors 5 directly to drive the reciprocating double-action plunger displacement pump in the down-hole and move back and forth, because plunger all oil extractions in stroke up and down, thereby improved pump efficiency widely.Other composition and annexation thereof are identical with the specific embodiment one.
The specific embodiment five: in conjunction with Fig. 1 and Fig. 5 present embodiment is described, the linear electric motors 5 of present embodiment are ripple shell type sand control oil immersion line motors 40; Described ripple shell type sand control oil immersion line motor 40 is made up of motor stator 41, electric mover 42, motor coil 43, upper connecting tube 44, lower linking tube 45, last elastic corrugated cover 46 and following elastic corrugated cover 47; Upper connecting tube 44 is set in the outside of electric mover 42 with lower linking tube 45 and fixedlys connected with the upper and lower end of motor stator 41 respectively, and upward elastic corrugated cover 46 and following elastic corrugated cover 47 are separately positioned in upper connecting tube 44 and the lower linking tube 45 and are set on the outside of electric mover 42; The described upper and lower end of elastic corrugated cover 46 is connected by sealing with the external surface of the electric mover 42 of motor stator 41 tops and the upper surface of motor stator 41 respectively; The upper and lower end of described down elastic corrugated cover 47 is connected by sealing with the external surface of the electric mover 42 of the lower surface of motor stator 41 and motor stator 41 belows respectively, and an end of described cable 8 is connected with the wiring terminal of motor stator 41.Other composition and annexation thereof are identical with the specific embodiment one.
The specific embodiment six: in conjunction with Fig. 1 and Fig. 6 present embodiment is described, the linear electric motors 5 of present embodiment are cup type sand control oil immersion line motors 48; Described cup type sand control oil immersion line motor 48 by linear motor stator electric 49, linear motor rotor 50, go up tube connector 51, down tube connector 52, go up connecting axle 53, connecting axle 54 and last sand scraping sleeve 55 are formed down; The inner chamber of linear motor stator electric 49 is provided with linear motor rotor 50, last tube connector 51 and following tube connector 52 respectively with linear motor stator electric 49 on, the lower end is fixedly connected, last connecting axle 53 and following connecting axle 54 respectively with linear motor rotor 50 on, the lower end is fixedly connected, the upper end edge circumferencial direction of last sand scraping sleeve 55 has slit 56 on several, the described sand scraping sleeve 55 of going up is sleeved on linear motor stator electric 49 tops and the last connecting axle 53 that linear motor rotor 50 is connected, fixedly connected with the inwall of last tube connector 51 in the following convex edge 57 of last sand scraping sleeve 55, an end of described cable 8 is connected with the wiring terminal of linear motor stator electric 49.Have several slits 56 on the last sand scraping sleeve 8 in the present embodiment, can make it have certain elasticity, tightly stick on the external diameter of connecting axle; Both guaranteed the motion of linear motor rotor 50 in linear motor stator electric 49 freely, sand can not be entered in the motor cavity with the gap that last connecting axle 6 cooperates from last sand scraping sleeve 55.Other composition and annexation thereof are identical with the specific embodiment one.
The specific embodiment seven: in conjunction with Fig. 1 and Fig. 7 present embodiment is described, the oil pipe 1 of present embodiment is that combined type connects oil pipe 58; Described combined type coiled tubing 58 is made up of parent tube 59, inner layer metal net 60, cable 61, wire rope 62, fixed bed 63, outer layer metal net 64 and abrasionproof anticorrosive coat 65; The outside of parent tube 59 is wound with inner layer metal net 60, respectively is equipped with steel cable 62 in the outer symmetrical of inner layer metal net 60, two cables 61 of the both sides of steel cable 62 binding wherein, cable 61 of side binding of another root wire rope 62; The external stability of inner layer metal net 60, wire rope 62 and cable 61 has fixed bed 63, and the external packets of fixed bed 63 is wrapped with outer layer metal net 64, outer layer metal net 64 outside sulfuration one deck abrasionproof anticorrosive coats 65.The combined type coiled tubing 58 of present embodiment is owing to make one to wire rope 62, parent tube 59 and cable 61, the weight saving of the equal steel oil pipe of duty ratio is a lot, save oil pipe when removing simultaneously and connected operation, binding strain relief clamp operation and Master Cost, remove that construction is simple, the speed that removes is fast, also have extremely strong antiscale, anticorrosion, wax control ability in addition.Other composition and annexation thereof are identical with the specific embodiment one.
The specific embodiment eight: in conjunction with Fig. 1, Fig. 8 and Fig. 9 present embodiment is described, the oil pipe 1 of present embodiment is a combined type continuous hose 66; Described combined type continuous hose 66 by flexible pipe 67, outward withhold the cover 68 and joint 69 form; Described flexible pipe 67 is made up of nylon bush 70, inner rubber layer 71, steel wire floor 72, outer glue-line 73, three cable core assemblies 74 and obturator 75, outer sealing layers 76 and resin-cast layer 77; Flexible pipe 67 is disposed with nylon bush 70, inner rubber layer 71, steel wire floor 72, outer glue-line 73, three cable core assemblies 74 and outer sealing layers 76 from the inside to the outside, in the cavity that outer glue-line 73, cable core assembly 74 and outer sealing layers 76 surround obturator 75 is housed, the outer face at outer sealing layers 76 two ends is provided with resin-cast layer 77, withhold cover 68 outward and be provided with interior round platform hole 78, the two ends of steel wire floor 72 and outer glue-line 73 together are installed in the described interior round platform hole 78, the tail end of joint 69 is installed in the nylon bush 70, joint 69 with withhold cover 68 outward and be fastenedly connected; Described steel wire floor 72 is made up of steel wire floor 1, glue-line 1, steel wire floor 2 81, glue-line 2 82, steel wire floor 3 83, glue-line 3 84, steel wire floor 4 85, glue-line 4 86 and steel wire floor 5 87 from the inside to the outside successively; The steel wire 90 of the steel wire 88 of described steel wire floor 1, the steel wire 89 of steel wire floor 2 81, steel wire floor 4 85 and the steel wire 91 of steel wire floor 5 87 are along the parallel longitudinal setting of described flexible pipe 67 and uniform along the circumferencial direction of flexible pipe 67, and the steel wire 92 of steel wire floor 3 83 vertically is spirally wound on the glue-line 2 82 successively along flexible pipe 67.It is light, easy to use that this combined type continuous hose 66 has a total quality, high temperature resistant more than 90 ℃, compression resistance, the tensile strength height, the speed that removes is fast, antiscale, anticorrosion, advantage that the wax control ability is strong, this flexible pipe and threephase cable combine and use with lifting coordinative composition of equipments such as reciprocating submersible electric pump, centrifugal electric submersible pump, electric submersible screw pumps, can satisfy the lifting needs of deep-well, wax deposition and seriously corroded well.Other composition and annexation thereof are identical with the specific embodiment one.
The specific embodiment nine: in conjunction with Fig. 1 and Figure 10 present embodiment is described, the bleeder 3 of present embodiment is a side valve type bleeder 93; Described side valve type bleeder 93 is made up of top connection 94, lower contact 95, steel ball 96, sealing ring 1, pin 98, sliding sleeve 99, main body 100 springs 101, damper piston 102, sealing ring 103, baffle ring 104, locating ring 105, sliding sleeve seating nipple 106 and interior cover 107; The upper end of main body 100 is threaded with top connection 94, the lower end of main body 100 is threaded with lower contact 95, seal by sealing ring 1 between top connection 94 and the main body 100 and between lower contact 95 and the main body 100, the sliding sleeve 99 that is contained in the main body 100 is fixedlyed connected with main body 100 by pin 98, steel ball 96 is contained in the taper hole 110 of sliding sleeve 99 upper ends, sliding sleeve seating nipple 106 is contained in the interior round platform through hole 111 of main body 100 lower ends, the outer wall of sliding sleeve seating nipple 106 is provided with lug 108, lug 108 is fixedlyed connected with main body 100, lug 108 is provided with lug hole 109, main body 100 is provided with the radial direction through hole 112 that communicates with lug hole 109, the lower end of sliding sleeve 99 is contained in the sliding sleeve seating nipple 106, the sidewall of the sliding sleeve 99 of pin 98 belows is provided with cannelure 113, cannelure 113 is corresponding with the through hole 114 on main body 100 sidewalls, the sidewall of the sliding sleeve 99 of cannelure 113 belows is provided with the oilhole 115 that communicates with interior round platform through hole 111, baffle ring 104 is installed in the sliding sleeve seating nipple 106, the lower end of interior cover 107 is contained in the baffle ring 104 and with baffle ring 104 and is threaded, in be equipped with in cover 107 the lower end inner chamber by the spacing damper piston 102 of baffle ring 104, between sliding sleeve 99 and the damper piston 102 spring 101 is housed, be provided with circular passage 116 between the upper end outer wall of interior cover 107 and the upper end inwall of sliding sleeve seating nipple 106, circular passage 116 communicates with lug hole 109, locating ring 105 is contained in the lower contact 95 and with lower contact 95 and is threaded, between main body 100 and the sliding sleeve 99, between sliding sleeve 99 and the sliding sleeve seating nipple 106, seal by sealing ring 103 between interior cover 107 and the sliding sleeve seating nipple 106 and between damper piston 102 and the interior cover 107.So be provided with, it is simple in structure, and is safe in utilization, reliable, can prevent that greasy dirt from taking ground to, has solved the environmental issue of oil reservoir and ground in the operation process.Other composition and annexation thereof are identical with the specific embodiment one.
The specific embodiment ten: in conjunction with Fig. 1 and Figure 11 present embodiment is described, the difference of the present embodiment and the specific embodiment one is: present embodiment also comprises testing pressure down hole device 117; Described testing pressure down hole device 117 is made up of shell 118, film seat 119, barrier film 120, support 121, turn tube 122, connecting rod 123, iron core 124, linear bearing 125, coil 126, connecting axle 127, cover for seat 128 and magnetic switch 135; Shell 118 is made up of former oil pocket 129 and working chamber 130; The sidewall of former oil pocket 129 is provided with former oilhole 131, film seat 119 fixedly is housed in the working chamber 130, be provided with the small diameter bore 132 of mutual perforation in the film seat 119 from top to bottom successively, large diameter hole 133 and the middle diametric hole 134 that communicates with former oil pocket 129, the outward flange of barrier film 120 is contained on the inwall of large diameter hole 133, one end of turn tube 122 is installed on the sidewall of film seat 119, small diameter bore 132 communicates with the inner chamber of turn tube 122, the other end of turn tube 122 is installed on the sidewall of connecting rod 123, the inner chamber of turn tube 122 communicates with the inner chamber of connecting rod 123, the one end welding of the other end of connecting rod 123 and iron core 124, coil 126 and linear bearing 125 from top to bottom are housed on the iron core 124 successively, cover for seat 128 be contained on the coil 126 and linear bearing 125 on, support 121 is contained in the working chamber 130 and welds with shell 118 and cover for seat 128 respectively, fixedly connected with connecting axle 127 in the upper end of shell 118, the neutral point that is Y-connected three phase windings with linear electric motors 5 on the reciprocating plunger pump 4 is connected the other end ground connection of coil 126 with an end of coil 126 by magnetic switch 135.So be provided with, it is simple in structure, safe and reliable, owing to do not adopt electronic component, even the linear electric motors asterism imbalance on the reciprocating submersible electric pump, tester can not be broken down by high-voltage, and can take out the advantage of down-hole pump downforce at any time.
Claims (8)
1, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive, it comprises oil pipe (1), sleeve pipe (2), bleeder (3), reciprocating plunger pump (4), linear electric motors (5), well head (7), cable (8) and frequency changing regulating speed control apparatus (9); Well head (7) is fixed on the upper end of sleeve pipe (2), and oil pipe (1) is arranged in the sleeve pipe (2), and fixedly connected with the lower end of well head (7) in the upper end of oil pipe (1), bleeder (3) is housed in the oil pipe (1); The port of export of described reciprocating plunger pump (4) is fixedlyed connected with the lower end of oil pipe (1), fixedly connected with the upper end of linear electric motors (5) in the lower end of reciprocating plunger pump (4), one end of cable (8) is connected with the wiring terminal of linear electric motors (5), and the other end of cable (8) is connected with frequency changing regulating speed control apparatus (9); Described reciprocating plunger pump (4) is reciprocating type separate zone whole production plunger displacement pump (10), reciprocating type separate zone whole production black soy sauce plunger displacement pump (11) or reciprocating double-action plunger displacement pump (12); It is characterized in that described linear electric motors (5) are the sand control linear electric motors, described sand control linear electric motors are ripple shell type sand control oil immersion line motor (40) or cup type sand control oil immersion line motor (48), and described ripple shell type sand control oil immersion line motor (40) is made up of motor stator (41), electric mover (42), motor coil (43), upper connecting tube (44), lower linking tube (45), last elastic corrugated cover (46) and following elastic corrugated cover (47); Upper connecting tube (44) is set in the outside of electric mover (42) with lower linking tube (45) and fixedlys connected with the upper and lower end of motor stator (41) respectively, and upward elastic corrugated cover (46) and following elastic corrugated cover (47) are separately positioned in upper connecting tube (44) and the lower linking tube (45) and are set on the outside of electric mover (42); The described upper and lower end of elastic corrugated cover (46) is connected by sealing with the external surface of the electric mover (42) of motor stator (41) top and the upper surface of motor stator (41) respectively; The upper and lower end of described elastic corrugated cover (47) down is connected by sealing with the lower surface of motor stator (41) and the external surface of the electric mover (42) below the motor stator (41) respectively, and an end of described cable (8) is connected with the wiring terminal of motor stator (41); Described cup type sand control oil immersion line motor (48) by linear motor stator electric (49), linear motor rotor (50), go up tube connector (51), down tube connector (52), go up connecting axle (53), connecting axle (54) and last sand scraping sleeve (55) are formed down; The inner chamber of linear motor stator electric (49) is provided with linear motor rotor (50), last tube connector (51) and following tube connector (52) respectively with linear motor stator electric (49) on, the lower end is fixedly connected, last connecting axle (53) and following connecting axle (54) respectively with linear motor rotor (50) on, the lower end is fixedly connected, the upper end edge circumferencial direction of last sand scraping sleeve (55) has slit on several (56), the described sand scraping sleeve (55) of going up is sleeved on linear motor stator electric (49) top and the last connecting axle (53) that linear motor rotor (50) is connected, fixedly connected with the inwall of last tube connector (51) in the following convex edge (57) of last sand scraping sleeve (55), an end of described cable (8) is connected with the wiring terminal of linear motor stator electric (49).
2, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that described reciprocating type separate zone whole production plunger displacement pump (10) is by oil well pump (13) on first, first packer (14), oil pipe (15) and following oil well pump (16) are formed down; On the lower end and first of oil pipe (1) fixedly connected in the upper end of oil well pump (13), fixedly connected with the upper end of described linear electric motors (5) in the lower end of taking out pump (13) on first, following oil pipe (15) is positioned at the lower end of linear electric motors (5), fixedly connected with linear electric motors (5) in the upper end of following oil pipe (15), first packer (14) fixedly is housed on the outer wall of following oil pipe (15), and described oil well pump (16) is down made one with linear electric motors (5).
3, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that described reciprocating type separate zone whole production black soy sauce plunger displacement pump (11) is made up of oil well pump (17), second packer (18), second time oil well pump (19), screen casing (20) and plug (21) on second; On the lower end and second of oil pipe (1) fixedly connected in the upper end of oil well pump (17), fixedly connected with the upper end of described linear electric motors (5) in the lower end of taking out pump (17) on second, fixedly connected with the upper end of second time oil well pump (19) in the lower end of linear electric motors (5), second packer (18) is installed in the inner chamber of the sleeve pipe (2) between linear electric motors (5) and the second time oil well pump (19), screen casing (20) fixedly is equipped with in the lower end of second time oil well pump (19), and plug (21) fixedly is equipped with in the lower end of screen casing (20).
4, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that described reciprocating double-action plunger displacement pump (12) is made up of standing valve (22), oil well pump (23) and lower linking tube (24); Described oil well pump (23) by urceolus (25), go up delivery valve (26), plunger (27), pump barrel (28), middle delivery valve (29), middle inlet valve (30), down inlet valve (31), go up annulus seat (32), annulus seat (33) and middle annulus seat (34) are formed down; Fixedly connected with the lower surface of standing valve (22) in the upper surface of urceolus (25), pump barrel (28) is contained in the urceolus (25), annulus seat (32) fixedly is housed between pump barrel (28) and the urceolus (25) from top to bottom successively, middle annulus seat (34) and following annulus seat (33), last annulus seat (32) along the circumferential direction uniform porose (35), the middle along the circumferential direction uniform middle delivery valve (29) that is provided with of annulus seat (34), the along the circumferential direction uniform middle inlet valve (30) that is provided with of following annulus seat (33), along the circumferential direction be evenly equipped with radial hole (36) on the outer wall of the pump barrel (28) between middle annulus seat (34) and the following annulus seat (33), fixedly connected with the lower end of oil pipe (1) in the upper end of pump barrel (28), upper end in the pump barrel (28) is provided with interior round platform (37), interior round platform (37) is provided with the axially extending bore (38) that matches with plunger (27) upper end external diameter, plunger (27) is contained in the pump barrel (28), the lower end of plunger (27) is provided with outer shoulder (39), form toroidal cavity (6) between plunger (27) and the pump barrel (28), delivery valve (26) is equipped with in upper end in the plunger (27), inlet valve (31) is equipped with down in lower end in the plunger (27), fixedlying connected with the upper end of described linear electric motors (5) in the lower end of plunger (27), fixedlys connected with the upper end of lower linking tube (24) in the lower end of linear electric motors (5).
5, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that described oil pipe (1) is that combined type connects oil pipe (58); Described combined type coiled tubing (58) is made up of parent tube (59), inner layer metal net (60), cable (61), wire rope (62), fixed bed (63), outer layer metal net (64) and abrasionproof anticorrosive coat (65); The outside of parent tube (59) is wound with inner layer metal net (60), outer symmetrical at inner layer metal net (60) respectively is equipped with steel cable (62), wherein two cables (61) are bound in the both sides of steel cable (62), a side binding cable (61) of another root wire rope (62); The external stability of inner layer metal net (60), wire rope (62) and cable (61) has fixed bed (63), and the external packets of fixed bed (63) is wrapped with outer layer metal net (64), the outside sulfuration of outer layer metal net (64) one deck abrasionproof anticorrosive coat (65).
6, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that described oil pipe (1) is combined type continuous hose (66); Described combined type continuous hose (66) by flexible pipe (67), withhold cover (68) outward and joint (69) is formed; Described flexible pipe (67) is made up of nylon bush (70), inner rubber layer (71), steel wire floor (72), outer glue-line (73), three cable core assemblies (74) and obturator (75), outer sealing layers (76) and resin-cast layer (77); Flexible pipe (67) is disposed with nylon bush (70) from the inside to the outside, inner rubber layer (71), steel wire floor (72), outer glue-line (73), three cable core assemblies (74) and outer sealing layers (76), outer glue-line (73), in the cavity that cable core assembly (74) and outer sealing layers (76) surround obturator (75) is housed, the outer face at outer sealing layers (76) two ends is provided with resin-cast layer (77), withhold cover (68) outward and be provided with interior round platform hole (78), the two ends of steel wire floor (72) and outer glue-line (73) together are installed in the described interior round platform hole (78), the tail end of joint (69) is installed in the nylon bush (70), joint (69) with withhold cover (68) outward and be fastenedly connected.
7, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that described bleeder (3) is side valve type bleeder (93); Described side valve type bleeder (93) is made up of top connection (94), lower contact (95), steel ball (96), sealing ring one (97), pin (98), sliding sleeve (99), main body (100) spring (101), damper piston (102), sealing ring (103), baffle ring (104), locating ring (105), sliding sleeve seating nipple (106) and interior cover (107); The upper end of main body (100) is threaded with top connection (94), the lower end of main body (100) is threaded with lower contact (95), seal by sealing ring one (97) between top connection (94) and the main body (100) and between lower contact (95) and the main body (100), the sliding sleeve (99) that is contained in the main body (100) is fixedlyed connected with main body (100) by pin (98), steel ball (96) is contained in the taper hole (110) of sliding sleeve (99) upper end, sliding sleeve seating nipple (106) is contained in the interior round platform through hole (111) of main body (100) lower end, the outer wall of sliding sleeve seating nipple (106) is provided with lug (108), lug (108) is fixedlyed connected with main body (100), lug (108) is provided with lug hole (109), main body (100) is provided with the radial direction through hole (112) that communicates with lug hole (109), the lower end of sliding sleeve (99) is contained in the sliding sleeve seating nipple (106), the sidewall of the sliding sleeve (99) of pin (98) below is provided with cannelure (113), cannelure (113) is corresponding with the through hole (114) on main body (100) sidewall, the sidewall of the sliding sleeve (99) of cannelure (113) below is provided with the oilhole (115) that communicates with interior round platform through hole (111), baffle ring (104) is installed in the sliding sleeve seating nipple (106), the lower end of interior cover (107) is contained in the baffle ring (104) and with baffle ring (104) and is threaded, be equipped with by the spacing damper piston (102) of baffle ring (104) in the lower end inner chamber of interior cover (107), between sliding sleeve (99) and the damper piston (102) spring (101) is housed, be provided with circular passage (116) between the upper end outer wall of interior cover (107) and the upper end inwall of sliding sleeve seating nipple (106), circular passage (116) communicates with lug hole (109), locating ring (105) is contained in the lower contact (95) and with lower contact (95) and is threaded, between main body (100) and the sliding sleeve (99), between sliding sleeve (99) and the sliding sleeve seating nipple (106), seal by sealing ring (103) between interior cover (107) and the sliding sleeve seating nipple (106) and between damper piston (102) and the interior cover (107).
8, a kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive according to claim 1 is characterized in that it also comprises the testing pressure down hole device (117) that is arranged on linear electric motors (5) lower end; Described testing pressure down hole device (117) is made up of shell (118), film seat (119), barrier film (120), support (121), turn tube (122), connecting rod (123), iron core (124), linear bearing (125), coil (126), connecting axle (127) and cover for seat (128); Shell (118) is made up of former oil pocket (129) and working chamber (130); The sidewall of former oil pocket (129) is provided with former oilhole (131), film seat (119) fixedly is housed in the working chamber (130), be provided with the small diameter bore (132) of mutual perforation in the film seat (119) from top to bottom successively, large diameter hole (133) and the middle diametric hole (134) that communicates with former oil pocket (129), the outward flange of barrier film (120) is contained on the inwall of large diameter hole (133), one end of turn tube (122) is installed on the sidewall of film seat (119), small diameter bore (132) communicates with the inner chamber of turn tube (122), the other end of turn tube (122) is installed on the sidewall of connecting rod (123), the inner chamber of turn tube (122) communicates with the inner chamber of connecting rod (123), the one end welding of the other end of connecting rod (123) and iron core (124), coil (126) and linear bearing (125) from top to bottom are housed on the iron core (124) successively, cover for seat (128) be contained in that coil (126) is gone up and linear bearing (125) on, support (121) is contained in the working chamber (130) and welds with shell (118) and cover for seat (128) respectively, fixedlys connected with connecting axle (127) in the upper end of shell (118).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100104699A CN100567700C (en) | 2006-08-31 | 2006-08-31 | A kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100104699A CN100567700C (en) | 2006-08-31 | 2006-08-31 | A kind of oil production system of reciprocating submersible electric pump that utilizes the sand control linear electric motors to drive |
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| CN1912336A CN1912336A (en) | 2007-02-14 |
| CN100567700C true CN100567700C (en) | 2009-12-09 |
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| EP2245449B1 (en) * | 2008-02-21 | 2015-12-02 | All-Tech Associates Inc. | Column packing apparatus and method of making and using the same |
| CN101363437B (en) * | 2008-10-08 | 2010-06-02 | 蒋洪涛 | Downhole linear electric motor oil-well pump |
| US8833441B2 (en) * | 2009-05-18 | 2014-09-16 | Zeitecs B.V. | Cable suspended pumping system |
| CN101967959A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Sealing protecting device for underground oil mining machine |
| CN101967960A (en) * | 2010-09-21 | 2011-02-09 | 佛山市顺德区精艺动力科技有限公司 | Dirt removal protection device for underground pumping unit |
| CN102606114B (en) * | 2012-03-30 | 2014-08-13 | 胜利油田高原石油装备有限责任公司 | Nonmetal composite continuous tube and electrical submersible pump system |
| CN103711458A (en) * | 2012-09-29 | 2014-04-09 | 盐城市华谊石油机械有限公司 | Linear motor driving device |
| CN105735945B (en) * | 2014-12-09 | 2018-07-10 | 中国石油天然气股份有限公司 | Oil pumping device |
| CN113494279B (en) * | 2021-07-26 | 2023-04-14 | 长江大学 | Oil pumping device matched with composite continuous oil pipe and control method thereof |
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| 一套井网分注合采采油工艺技术可行性研究. 薛凤云等.钻采工艺，第24卷第1期. 2001 |
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