CN201902199U

CN201902199U - Power combined type oil pumping machine with ultra long stroke for a plurality of wells

Info

Publication number: CN201902199U
Application number: CN2010202807277U
Authority: CN
Inventors: 吴昱; 吴世仝
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-30
Filing date: 2010-07-30
Publication date: 2011-07-20
Anticipated expiration: 2020-07-30

Abstract

The utility model provides a power combined type oil pumping machine with ultra long stroke for a plurality of wells, and relates to a mechanical oil extracting device in oilfield exploitation. The oil pumping machine is mainly characterized in that: all components of a tower frame are connected together through bolts; the height of the tower frame can be determined according to the length of the stroke; a primary motor and a secondary motor are respectively connected with an electrical control box through lead wires, so as to form a power combination; a secondary roller and the secondary motor are installed on a guide rail of a platform of the tower frame; the left and right positions of the secondary roller and the secondary motor can be adjusted; and a roller is installed on the platform of a small tower frame. The oil pumping machine has the following benefits: by means of the power combination, the loading capacity of equipment can be increased, and the efficiency can be improved; the oil pumping machine can be used for driving 1, 2, 4 or 6 oil wells for oil exploitation, so that the production of a plurality of the wells through one oil pumping machine is realized; moreover, the oil pumping machine is suitable for exploiting oil in an oil exploitation area with small well spacing or on a marine drilling platform, and can be used for the production of oil wells with ultra long strokes of 8m to 20m.

Description

Box-like many wells of the machine ultra long stroke beam-pumping unit of power packages

Technical field

The utility model relates to the mechanical oil recovery device in a kind of oilfield exploitation.

Background technology

In the oil recovery process of oil field, beam pumping unit is to use maximum class plant equipment, it is installed on the well mouth of oil well drives down-hole pump work by sucker rod, and crude oil is come out from underground mining.This beam-pumping unit motor power factor is low, energy consumption is high, stroke is shorter, volume is bigger, floor space is also bigger, oil well well spacing in the past is bigger, and general apart hundreds of rice is to several kms, and the floor space of mounting shaft jaws equipment just is not a problem in such cases, do not need special consideration, general a bite oil well is installed an equipment and is recovered the oil.Present developing rapidly along with science and technology, the mining depth of oil well has increased, the oil mass of extraction has also increased, and along with the development of drilling technology, directional well, horizontal well drilling technology are constantly ripe, the well head of these oil wells can focus in the small range, or because of the restriction of some condition, as on the production platform at sea, on the loess plateau or some other area, adopt the cluster well group more and more, promptly bore many mouthfuls of directional wells in a well site, the well head distance is generally at 3-8 rice.In these cases, beam-pumping unit is just incompatible, and various blue elephants have become the R﹠D direction of oil rig.Though developed several blue elephants at present, mostly they are on the high control tower of height power-equipment to be installed, as motor, deceleration device, electric appliance control box, wheel shaft and wire rope etc., its gross weight is very big, control tower just can not be built De Taigao, otherwise will be top-heavy, overthrow accident takes place easily, therefore the stroke of these oil pumpers just can not increase longlyer, its stroke generally is no more than 10 meters, and now along with the development of oil field development technology, some oil well needs longer stroke, as tens meters even 20 meters, these oil pumpers are just inapplicable.These oil pumpers also all are a machine one well formulas, and promptly an oil pumper can only drive a bite oil well production, can not drive many mouthfuls of above oil wells of a bite, and are also inapplicable for the oil recovery area that oil well density is bigger.

The utility model content

The purpose of this utility model provides a kind of processing and manufacturing simple in structure, easy, cost is lower and can save box-like many wells of the machine ultra long stroke beam-pumping unit of power packages of the energy, the production of recovering the oil of many mouthfuls of oil wells can be driven with a this equipment, and the ultra-long-stroke oil pumping more than ten meters can be realized.

Technical solution of the present utility model is to realize like this, box-like many wells of the machine ultra long stroke beam-pumping unit of a kind of power packages, constitute by chassis 1, pylon 8, main motor 5, master rotor 4, auxiliary-motor, auxiliary cylinder and driving-belt 10, main motor 5 connects with master rotor 4 mutually by shaft coupling, brake gear is equipped with at the place at shaft coupling, main motor 5 is connected with electric appliance control box by lead, and guide pulley 7 is installed above master rotor 4.Driving-belt 10 is walked around master rotor 4, and auxiliary cylinder is walked around at its two ends respectively, and driving-belt 10 1 ends connect mutually with hookup 22, and the other end connects mutually with tandem-driving bogie 9.Moving switch 21 is installed on hookup 22, on pylon 8, be installed with and decide switch, its special character is, 1. pylon 8 lower ends and chassis 1 are bound up, each parts of pylon 8 are linked together by bolt and constitute, and by tightening nut 11 pull bar 23 and another corresponding joint pull bar are linked together.2. master rotor 4 is installed on the chassis 1 by bearing 3, and guide pulley 7 is installed above master rotor 4.Auxiliary cylinder and auxiliary-motor are bound up, and are installed on the guide rail by bearing, and guide rail is fixedly mounted on pylon 8 tip platforms, and auxiliary-motor is connected with electric appliance control box by lead.3. be installed with switch 20 and following switch 24 on the pylon 8.

Above-mentioned technical solution can also realize like this, box-like many wells of the machine ultra long stroke beam-pumping unit of a kind of power packages, its special character is, pylon 8 lower ends are welded on the bottom bar 29, bottom bar 29 is installed in the collar of supporting base 26, supporting base 26 is welded on the chassis 1, is connected with support bar 25 by bearing pin between the vertical rod of pylon 8 and chassis 1.

Above-mentioned technical solution also can realize like this, box-like many wells of the machine ultra long stroke beam-pumping unit of a kind of power packages, its special character is, the vertical rod lower end of pylon 8 and pylon cover 27 weld together, pylon cover 27 is enclosed within on the bottom bar 29, bottom bar 29 is installed in the collar of supporting base 26, and supporting base 26 is welded on the chassis.End at pylon cover 27 has fluted disc, and slip fluted disc 28 is installed on the bottom bar 29 by feather key; The brace lower end of pylon 8 and bottom bar cover 30 weld together.

In above-mentioned technical solution, its special character is that also this oil pumper also has little pylon, and little pylon is by bolt each parts to be linked together, and there is platform trourelle frame upper end, is installed with guide rail on platform, and cylinder is installed in orbit by axle bed.

Usefulness of the present utility model is, (1) master rotor owing to this oil pumper all connects with the motor of adjustable speed respectively mutually with auxiliary cylinder, each motor is connected with electric appliance control box respectively by lead, multiple motors is forward and backward simultaneously, the combination of formation power drives the driving-belt motion, makes full use of the frictional force between cylinder and the driving-belt, the load capacity of increase equipment can be raised the efficiency.(2) because this oil pumper adopts the Steel cord driving-belt, be symmetrically installed with 2 auxiliary cylinders in the support upper end, can respectively drive a bite oil well at the driving-belt two ends and recover the oil.If need to drive more oil well, a little pylon is installed respectively on other oil well again, can utilize the driving-belt of wider width, its two ends are separated into a plurality of terminations, each termination can drive a bite oil well respectively, can drive 2 mouthfuls, 4 mouthfuls or 6 mouthfuls of oil wells and recover the oil, can realize that a machine heavy wool well produces, adapt to recover petroleum on little oil recovery zone of well spacing or the offshore drilling platform.(3) adopt buncher, as utilize switched reluctance variable speed machine, what, the speed regulation by constant torque, detent torque of can realize step-less adjustment stroke length, regulating strokes per minute are big, and electric current changes little, and frequently forward and backward is moved, and operates steadily.(4) because pylon is to be linked together by bolt by dismountable parts, length of stroke in the time of can be according to oil well production, determine its height,, be specially adapted to length of stroke 8 so this oil pumper can be used in the oil well production of ultra-long-stroke---20 meters oil well production.Also can regulate the gradient of pylon, to adapt to different well spacings.(5) when carrying out workover treatment, the support of this oil pumper can replace the formation testing derrick, and auxiliary cylinder is moved to mid-stent, and workover crown block is installed in the pylon upper end, is equipped with tractor hoist, travelling block and hook again, just can carry out well workover.(6) this oil pumper is installed in per two mouthfuls of close well rods at the two ends of driving-belt, mutual counterbalance as the other side, reduced heavy bascule, device structure is greatly simplified, can save steel, reduce cost, the power that is consumed also can obviously reduce, and energy-saving effect is remarkable.When only driving a bite oil well, in the tandem-driving bogie of driving-belt one end additional, casting pig can be installed or baryte in lump gets final product as weight equalizer.(7) owing to do not have gear drive or changement on the complete machine, all adopt belt transmission, noise is low, and it is reliable to operate steadily, long service life.(8) because of employing Steel cord driving-belt carries out transfer motion power, and utilize waist drum type cylinder, belt is difficult for sideslip in operation process.And adopt the power combination and adopt 2 guide pulleys, the cornerite of driving-belt on master rotor can be regulated, can reach enough driving forces.(9) adopt noncontacting switch, can guarantee that length of stroke can not change voluntarily.(10) critical piece in this device such as motor-driven cylinder, Steel cord driving-belt etc. all have homemade finished product, as long as after with shaped steel pylon weldering being made, select the suitable components aggregate erection to get final product.Simple in structure, easy to manufacture, easy for installation, cheap, maintenance easily.

Description of drawings

Fig. 1 is the front view of the utility model structural representation.

Fig. 2 is the left view of the cylinder schematic diagram on pylon and the platform thereof in the utility model.

Number in the figure: 1, chassis; 2, support; 3, bearing; 4, master rotor; 5, main motor; 6, guide type shoe; 7, guide pulley; 8, pylon; 9, tandem-driving bogie; 10, driving-belt; 11, tightening nut; 12, right guide rail; 13, right support abutment; 14, right motor; 15, right cylinder; 16 tubes that roll left; 17, left motor; 18, left support abutment; 19, left rail; Switch on 20; 21, moving switch; 22, hookup; 23, pull bar; 24, following switch; 25, support bar; 26, supporting base; 27, pylon cover; 28, slip fluted disc; 29, bottom bar; 30, bottom bar cover; 31, brace; 32, cross bar.

The specific embodiment

The parts and the chassis 1 of weldering system pylon 8 for the ease of transportation, are made into 5 joints with pylon 8, and cross bar 32, montant and brace 31 is welded together, are welded with junction plate on the termination of montant, constitute tower components.Bolt hole is arranged, by bolt every joint parts are bound up (can determine the height of pylon according to the length of oil well maximum stroke, be 15 meters as maximum stroke, pylon about 17 meters in height) on the junction plate.

The bind mode on pylon 8 and chassis 1, first scheme: the bottom of pylon 8 directly and chassis 1 directly weld together.This scheme only utilizes the guide rail on the platform of pylon upper end to regulate the position of auxiliary cylinder, is applicable to the oil well that well spacing is less.

Alternative plan, the bottom of pylon 8 and bottom bar 29 weld together, bottom bar 29 is installed in the collar of supporting base 26, supporting base 26 is welded on chassis 1, be connected with support bar 25 by bearing pin between the vertical rod of pylon 8 and chassis 1, support bar 25 is made up of rod member and tightening nut, and an end of rod member has plus thread or left-hand thread, the other end has circular hole, and tightening nut is the long barrier part with positive and negative internal thread.The position that this scheme utilizes guide rail on the platform of pylon upper end and tightening nut 11 to regulate auxiliary cylinder jointly is applicable to the oil well that well spacing is bigger.

Third party's case is welded to the vertical rod lower end of pylon 8 on the pylon cover 27, and pylon cover 27 is sleeved on the bottom bar 29, and bottom bar 29 is installed in the collar on the supporting base 26, and supporting base 26 is welded on chassis 1.Bottom bar cover 30 is enclosed within the middle part of bottom bar 26, the lower end of brace is welded on the bottom bar cover 30, upper end and vertical rod weld together.Have 4-6 bar feather key on the bottom bar 29, slip fluted disc 28 is sleeved on the feather key on the bottom bar 29, and slip fluted disc 28 can slide on bottom bar 29, has teeth on the side of slip fluted disc 28.One face down bonding of pylon cover 27 is connected to fluted disc, has teeth on the side of fluted disc, and it is meshing with each other with teeth on the slip fluted disc 28 and is in the same place.After adjusting the angle of pylon 8, slip fluted disc 28 and fluted disc are interlocked, and slip fluted disc 28 is lived by fixed by nut.This scheme utilizes guide rail, tightening nut 11 and the fluted disc on the platform of pylon upper end to regulate the position of auxiliary cylinder jointly, be applicable to the oil well that well spacing is bigger, can calculate the gradient of pylon 8 earlier, utilize fluted disc that pylon 8 gradients are fixed, utilize guide rail and tightening nut 11 to regulate the position of auxiliary cylinder again.

Tightening nut 11 is the long barrier parts with positive and negative internal thread, and an end of pull bar 23 has the dextrorotation screw buckle, and another joint pull bar is the derotation screw buckle accordingly, by tightening nut 11 and pull bar 23 the right and left of pylon 8 is strained.Upper end at pylon 8 has platform, and guardrail is installed on the platform.In pylon, have cat ladder, be convenient to the workman and go up lower platform.

Main motor 5 is selected switched reluctance variable speed machine for use, and master rotor 4 is selected waist drum type fitted outside motorized pulleys for use, and main motor 5 and master rotor 4 are linked together by shaft coupling, and main motor 5 and master rotor 4 are fixedly mounted on the chassis 1 by bearing 3.Brake rim and shaft coupling are made into as a whole, and brake ribbon and brake are linking together, and brake ribbon is contained on the brake rim, brake by strut fixation on chassis 1.2 guide wheels 7 are fixedly mounted on the chassis 1 by guide type shoe 6 and support 2.Right guide rail 12 is fixed on the right on pylon 8 platforms by bolt (perhaps welding), can about adjust the position of right track 12 on platform, when the right-hand member of right track 12 stretches out the distance of pylon platform when longer, be bearing between right track right-hand member and the pylon with a hound, have enough intensity to guarantee it.Right cylinder 15 and right motor 14 are selected the built-in type motorized pulleys, right cylinder 15 and right motor 14 are installed on the right guide rail 12 by right support abutment 13 together, on right guide rail 12, has guide-track groove, right cylinder 15 can be on right guide rail 12 move left and right, after moving on the suitable position, promptly available bolt is fixed.Roll left tube 16 and left motor 17 also selected the built-in type motorized pulleys of waist drum type for use, they are installed on the left rail 19 by left support abutment 18, left rail 19 is fixed on the left side on pylon 8 platforms by bolt (perhaps welding), can about adjust the position of left rail 19 on platform, when the left end of left rail 19 stretches out the distance of pylon platform when longer, be bearing between left rail left end and the pylon with a hound, have enough intensity to guarantee it.Left motor, right motor in above-mentioned can be referred to as auxiliary-motor, and the tube that rolls left, right cylinder can be referred to as auxiliary cylinder, and left rail, right guide rail are referred to as guide rail, and left support abutment, right support abutment are referred to as bearing, and last switch and following switch are referred to as decides switch.On the surface of master rotor 4 and auxiliary cylinder, all be solidified with one deck rubber.Driving-belt 10 adopts the adhesive tape of Steel cord, master rotor 4 is walked around at the middle part of driving-belt 10, between 2 guide wheels 7, pass through, left and right sides cylinder is walked around at two ends, the left and right sides respectively, make its 2 terminations sagging, make the right-hand member of driving-belt 10 connect tandem-driving bogie 9, its left end is connected with hookup 22, with 7 tensions of 2 guide wheels, can increase the cornerite of master rotor by tightening nut.The control length of stroke adopts noncontacting switch, and the moving switch 21 of noncontacting switch is fixedly mounted on the hookup 22, and its last switch 20 and following switch 24 is installed in and is fixedly mounted on the pylon 8, can determine their particular location according to the length of stroke.

This equipment is ultra long stroke beam-pumping unit, and pylon is higher, and is firm for what it was installed on well head, it should be installed on the concrete pedestal, in order to reduce cement consumption, can adopt earth anchor that concrete pedestal and chassis are fixed together.Also each angle of pylon 8 upper ends can be strained by wire rope and chassis 1.For the down-hole that the prevents a bite oil well accident that meets accident, make corresponding another mouthful oil well disequilibrium, the wire rope of ragged edge in the driving belt of every mouthful of oil well can be connected with earth anchor, earth anchor is driven into underground, play a protective role.

After installing, install backplate with around the pylon by bolt, backplate can be selected the light material plate for use.Backplate can play the effect of the sunshade of keeping out the wind, and when blowing hard, can reduce the influence of wind-force to driving-belt, avoids solar radiation, can prolong the application life of driving-belt.

When carrying out oil producing operation, if oil pumper only drives a bite oil well, one end of the driving-belt 10 polished rod clamp by hookup 22 and oil well can be connected, the other end of driving-belt 10 and tandem-driving bogie 9 are connected, following well depth according to oil extraction pump, calculate the counterweight weight that in tandem-driving bogie, places, adjust manufacturing parameter, can recover the oil.If oil pumper need drive 2 mouthfuls of oil wells, the pylon 8 of oil pumper can be installed in the centre of 2 mouthfuls of oil wells, adjust the position of left and right sides cylinder on the gradient of pylon and the platform, make sagging back, driving-belt termination over against well mouth of oil well, the polished rod clamp that the two ends of driving-belt 10 is respectively connected a bite oil well by hookup 22, adjust manufacturing parameter, the oil recovery of can starting shooting.If 4 mouthfuls of oil wells are point-blank arranged, apart from about 100 meters, the essentially identical oil well of petroleum production parameter, also available this oil pumper drives together, at this moment the middle part of 2 mouthfuls of oil wells in the middle of this oil pumper pylon 8 can being installed in, the angle of adjustment pylon makes left and right sides cylinder respectively align a bite oil well.And by two mouthfuls of oil wells far away, a little pylon is installed respectively, make the cylinder on the little pylon align well head, according to the payload of oil well, on the little pylon waist drum type cylinder can only be installed, motor is not installed, when perhaps needing motor is installed, is selected for use inner electric machine formula cylinder yet.The two ends of driving-belt 10 are opened from longitudinal subdivision, form 4 terminations, make corresponding two terminations drive 2 mouthfuls of nearer oil wells, 2 terminations drive two mouthfuls of oil wells far away in addition.If well head distance is far, as 100---about 200 meters, in the middle of oil well, the driving-belt carriage can be installed in case of necessity,, driving-belt be held up, avoid it sagging too many by being installed in the idler pulley on the carriage.In order to save driving-belt, can only use driving-belt at the cylinder place, mid portion can utilize wire rope that driving-belt is linked together.When wherein a bite oil well need carry out well workover, the hookup 22 of this well can be separated with the polished rod clamp, this aboveground side's auxiliary cylinder is slided on guide rail, hookup 22 is connected with tandem-driving bogie, starting device makes other oil well continue to recover the oil and produces.Workover crown block is installed on the pylon of this well, is equipped with tractor hoist, travelling block and hook again, just can make this oil well carry out the operation well workover.

Claims

1. box-like many wells of machine ultra long stroke beam-pumping unit of power packages, constitute by chassis (1), pylon (8), main motor (5), master rotor (4), auxiliary-motor, auxiliary cylinder and driving-belt (10), main motor (5) connects with master rotor (4) mutually by shaft coupling, brake gear is equipped with at the place at shaft coupling, main motor (5) is connected with electric appliance control box by lead, in master rotor (4) top guide pulley (7) is installed; Driving-belt (10) is walked around master rotor (4), and auxiliary cylinder is walked around at its two ends respectively, and driving-belt (10) one ends connect mutually with hookup (22), and the other end connects mutually with tandem-driving bogie (9); Moving switch (21) is installed on hookup (22), on pylon (8), is installed with and decides switch, it is characterized in that:

1. pylon (8) lower end and chassis (1) are bound up, and each parts of pylon (8) are linked together by bolt, and another pull bar (23) is corresponding by tightening nut (11) joint pull bar links together;

2. master rotor (4) is installed on the chassis (1) by bearing (3), in master rotor (4) top guide pulley (7) is installed; Auxiliary cylinder and auxiliary-motor are bound up, and are installed on the guide rail by bearing, and guide rail is fixedly mounted on pylon (8) tip platform, and auxiliary-motor is connected with electric appliance control box by lead;

3. on pylon (8), be installed with switch (20) and following switch (24).

2. box-like many wells of the machine ultra long stroke beam-pumping unit of a kind of power packages according to claim 1, it is characterized in that: pylon (8) lower end is welded on the bottom bar (29), bottom bar (29) is installed in the collar of supporting base (26), supporting base (26) is welded on the chassis (1), is connected with support bar (25) by bearing pin between the vertical rod of pylon (8) and chassis (1).

3. box-like many wells of the machine ultra long stroke beam-pumping unit of a kind of power packages according to claim 1, it is characterized in that: the vertical rod lower end of pylon (8) and pylon cover (27) weld together, pylon cover (27) is enclosed within on the bottom bar (29), bottom bar (29) is installed in the collar of supporting base (26), and supporting base (26) is welded on the chassis; End at pylon cover (27) has fluted disc, and slip fluted disc (28) is installed on the bottom bar (29) by feather key; The brace lower end of pylon (8) and bottom bar cover (30) weld together.

4. box-like many wells of the machine ultra long stroke beam-pumping unit of power packages according to claim 1 and 2, it is characterized in that: this oil pumper also has little pylon, little pylon is by bolt each parts to be linked together, there is platform trourelle frame upper end, guide rail is installed on platform, and cylinder is installed on the guide rail by axle bed.

5. box-like many wells of the machine ultra long stroke beam-pumping unit of power packages according to claim 3, it is characterized in that: this oil pumper also has little pylon, little pylon is by bolt each parts to be linked together, there is platform trourelle frame upper end, guide rail is installed on platform, and cylinder is installed on the guide rail by axle bed.