CN202659215U - Oil pumping unit for offshore oil production platform cluster well - Google Patents
Oil pumping unit for offshore oil production platform cluster well Download PDFInfo
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- CN202659215U CN202659215U CN 201120527963 CN201120527963U CN202659215U CN 202659215 U CN202659215 U CN 202659215U CN 201120527963 CN201120527963 CN 201120527963 CN 201120527963 U CN201120527963 U CN 201120527963U CN 202659215 U CN202659215 U CN 202659215U
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Abstract
The utility model provides an oil pumping unit for an offshore oil production platform cluster well. The oil pumping unit is characterized by comprising a base, a rack, a front driving belt, a front support, a rotary horsehead frame, a rotary horsehead, a motor, an automatic brake, an upper platform, a counterweight sliding way, a rear driving belt, a ladder, a counterweight, a rear support, an electric cabinet, handbrakes, speed reducers, shaft couplings, driving wheels and beam hangers, wherein the base is manufactured by welding H-shaped steel, and is in bolt connection with the rack; the rack is manufactured by using angle steel; the front driving belt is manufactured by vulcanizing nylon cloth and rubber, and is connected with the driving wheels after passing through the rotary horsehead; one end of the rear driving belt is connected with the counterweight, and the other end of the rear driving belt is connected with the driving wheels; the front support is manufactured by using rectangular steel, the upper part of the front support is in bolt connection with the rotary horsehead frame, and the lower part of the front support is in bolt connection with the rack; the counterweight consists of different weights, and balance can be accurately regulated; and the rack is welded into a truss structure by using light-weight angle steel. A plurality of oil pumping units are connected and combined into a row. The structure is light in weight, high in rigidity and low in starting torque, and can stably run, vibration is reduced, overall efficiency is improved, and running cost is lowered, so that an energy-saving effect is achieved.
Description
Technical field:
The utility model belongs to the oil extraction in oil field mechanical field, particularly relates to a kind of offshore production platform cluster well oil extractor.
Background technology:
Sucker rod pumping is the maximum a kind of oil production method of land use.Capital equipment comprises oil pumper, sucker rod and oil well pump.Its operating principle is: Surface power drive equipment gives rise to downhole crude on the ground by the deep well pump work of sucker rod drive down-hole.At present most widely used is beam pumping unit---the deep well pump oil pumping.This apparatus structure is simple, reliable operation, convenient management, compliance are stronger, be suitable for shallow well and low yield oil field, so it occupies critical role in mechanical oil recovery.But its shortcoming is also arranged, as the ground installation volume and weight is large, pumpage is little, can not adapt to well complex situations and the offshore platform oil recoveries such as sand, wax, water, viscous crude.
In the oilfield development process, because stratum energy descends gradually, oil well can not keep blowing, or flowing production rate crosses when low, just must carry out mechanical oil recovery.Offshore oil production artificial lift equipment is most popular both at home and abroad is electric submersible pump, screw pump, water conservancy piston pump, water conservancy jet pump etc., these several artificial lift modes not only are subject to reservoir condition, oil well condition, ground (platform) conditionality, but also will be subject to the restriction of benefit and management expectancy; Ask the aspects such as economy, technological adaptability can both relatively conform with concrete field situation at the selection upper stress of oil production method, thereby can effectively bring into play the oil field jacking capacity, give full play to the oil productive capacity of oil reservoir.The basic principle of selecting is: adapt to the requirement of the various hole conditions of offshore platform cluster well group, be based on underground, take the characteristics of oil reservoir and liquid-producing capacity as the basis, analyze the productivity characteristic of oil reservoir different development phases and different lift method to the lifting effect of oil well production system.The characteristics of electric submersible pump are: discharge capacity is large, lift is high, flow equalization, tubing life long, ground installation is simple, be easy to realize automatically control and have and take preferably sand, take the advantage such as wax ability, but one-time investment is high, construction, the management expectancy technical condition are strict, be subjected to the restriction of the heat-resisting degree of motor, applicable well depth generally is no more than 3000 meters; Can affect pump efficiency when oil well output change and exploitation heavy oil, also not allow more gas (generally being no more than 2% volume content) to enter in the pump.Dried turning easily occurs in electric submersible pump when oil well liquid-supplying is not enough, cause rapid wearing to lose efficacy, and device structure is complicated, workmanship is had relatively high expectations, and according to its characteristics, it is applicable to well, the inclined shaft that high-yield well, well depth do not surpass 3000 meters.
Screw pump belongs to pusher displacement pump, critical piece is rotor and stator, rotor is a large tooth depth of large helical pitch and than the screw rod (rotor) of warp in the minor spiral, stator is the rubber swivel nut that the double end helical is arranged that matches with it, between rotor and stator, formed like this space of storage medium, when rotor turned round in stator, medium was moved to discharging by the suction side vertically.Screw pump has following advantage:
1, pressure and range of flow are broad;
2, transport kind and the range of viscosities broadness of liquid;
3, because the pivoting part inertia force in the pump is lower, so can use very high rotating speed;
4, intake performance is good, has suction capacity;
5, flow is evenly continuous, vibrates littlely, and noise is low;
6, compare with other drum pump, not too responsive to the gas and the dirt that enter.
The shortcoming of screw pump is: processing and the matching requirements of screw rod are higher, and the stator swivel nut is fragile.The screw pump sucker rods post is stressed more complicated in the down-hole, bears again shear stress when bearing tensile stress.Whether the rod string that adopts at present can satisfy the normal need of production of screw pump, and namely whether combined strength bination can reach requirement, and perhaps intensity is too high causes waste, and perhaps intensity is excessively low causes roofbolt to lose efficacy and cause work accident.The screw pump depth of falling well generally is no more than 2000 meters.The service life of screw pump is short generally at 6～8 months, and the inspection pump often.
Along with the raising of exploration level, China explores at the deep-sea and attaches most importance to, the deep-sea oil gas aboundresources, and the average reserves of oil gas field are obviously greater than the shallow sea.At present the offshore field degree of depth reaches 4000 meters～6000 meters well and constantly occurs.Therefore, marine deep mining requires higher to the compliance of mechanical oil recovery equipment, because most widely used electric submersible pump, screw pump etc. have limitation in the present marine mechanical oil recovery, the darkest oil well that can only exploit 3000 meters, compliance is not high, comprehensive benefit is low, and significant discomfort is answered the exploitation of marine super dark oil well.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, energy consumption is low, balance good, lightweight, the adaptable offshore production platform cluster well oil extractor that accommodates marine petroleum exploitation.
The offshore production platform cluster well oil extractor that the utility model provides is characterized in that comprising: base (1), frame (2), driving front band (3), front support (4), rotating horsehead frame (5), rotating horsehead (6), motor (7), self-actuating brake (8), upper mounting plate (9), counterweight slideway (10), rear driving-belt (11), ladder (12), counterweight (13), rear support (14), electrical control cubicles (15), parking brake (16), reducer (17), shaft coupling (18), driving wheel (19), polished rod eye (20); Described base (1) is made with the welding of H shaped steel, is connected with frame (2) bolt; Described frame (2) is made with angle steel; Described driving front band (3) is made with nylon cloth, the vulcanization of rubber, driving front band (3) is walked around rotating horsehead and is connected with driving wheel (19), rear driving-belt (11) one ends are connected with counterweight (13), and an end is connected with driving wheel (19); Described front support (4) is made with square shaped steel, and top is connected with rotating horsehead frame (5) bolt, and the bottom is connected with frame (2) bolt; Described rotating horsehead frame (5) is made with the i iron welding; Described rotating horsehead (6) rolls welding with steel plate and makes; Described upper mounting plate (9) is made with the channel-section steel welding, and described slideway (10) is made with channel-section steel; Described ladder (12) is made with square steel, welds with frame (2); Described counterweight (13) is made with Plate Welding, is connected with roller with slideway (10); Described rear support (14) one ends are connected with frame (2) bolt, and the other end is connected with base (1) bolt; Described output shaft coupling (18) is made of a steel, and an end is connected with reducer output shaft, and the other end is connected with driving wheel (19); Described driving wheel (19) rolls with steel plate and is welded to form; Described polished rod eye (20) is processed into steel.
The offshore production platform cluster well oil extractor that provides according to the utility model, changed the mode by the crankshaft balance weight rotation mode storage of potential energy of original beam machine, and become the mode of rectilinear motion mode storage of potential energy, therefore counterbalance moment is constant, in addition, balancing weight in the ballast box is comprised of the counterweight of Different Weight, the convenient adjustment.Frame adopts light weight angle steel to be welded into trussed construction, and it is in a row that a plurality of oil pumpers connect combination, this lightweight construction, good rigidity, reduced vibrations, operated steadily, staring torque is little, and the oil pumper driving-chain is short, the efficient of complete machine improves, and running cost reduces, thereby has reached energy-conservation effect.
Description of drawings
Accompanying drawing 1 is that the utility model is faced structural representation
Accompanying drawing 2 is the utility model side-looking structural representations
Accompanying drawing 3 is that the utility model is by the well view
The specific embodiment
The utility model is described in further detail by reference to the accompanying drawings for the utility model specific embodiments, but protection domain of the present utility model is not limited to following specific embodiments.
The offshore production platform cluster well oil extractor that the utility model provides is characterized in that comprising: base (1), frame (2), driving front band (3), front support (4), rotating horsehead frame (5), rotating horsehead (6), motor (7), self-actuating brake (8), upper mounting plate (9), counterweight slideway (10), rear driving-belt (11), ladder (12), counterweight (13), rear support (14), electrical control cubicles (15), parking brake (16), reducer (17), shaft coupling (18), driving wheel (19), polished rod eye (20); Described base (1) is made with the welding of H shaped steel, is connected with frame (2) bolt; Described frame (2) is made with angle steel; Described driving front band (3) is made with nylon cloth, the vulcanization of rubber, driving front band (3) is walked around rotating horsehead and is connected with driving wheel (19), rear driving-belt (11) one ends are connected with counterweight (13), and an end is connected with driving wheel (19); Described front support (4) is made with square shaped steel, and top is connected with rotating horsehead frame (5) bolt, and the bottom is connected with frame (2) bolt; Described rotating horsehead frame (5) is made with the i iron welding; Described rotating horsehead (6) rolls welding with steel plate and makes; Described upper mounting plate (9) is made with the channel-section steel welding, and described slideway (10) is made with channel-section steel; Described ladder (12) is made with square steel, welds with frame (2); Described counterweight (13) is made with Plate Welding, is connected with roller with slideway (10); Described rear support (14) one ends are connected with frame (2) bolt, and the other end is connected with base (1) bolt; Described output shaft coupling (18) one ends are connected with reducer output shaft, and the other end is connected with driving wheel (19); Described driving wheel (19) rolls with steel plate and is welded to form; Described polished rod eye (20) is processed into steel.
Behind electric motor starting, motor is under electrical control cubicles control, drive the driving wheel positive and negative rotation by shaft coupling, reducer, the band edge of forward and backward driving-belt is fixed on the driving-belt fixed head of driving wheel inside, and front and back belt a positive and a negative is wrapped on the driving wheel, and driving front band one end is connected with polished rod eye by rotating horsehead, rear driving-belt is connected with counterweight, driving-belt and driving wheel synchronous rotary, thus drive beam hanger, oil pump reciprocating motion, finish the crude oil pumping.The rotating horsehead frame can be finely tuned front and back, makes suspension point accurately aim at well head and avoids well bar eccentric wear, prolongs the well workover cycle.During workover treatment, front support is removed, and the rotating horsehead pallet plays inclination, can get out of the way well head.
Claims (2)
1. an offshore production platform cluster well oil extractor is characterized in that comprising: base (1), frame (2), driving front band (3), front support (4), rotating horsehead frame (5), rotating horsehead (6), motor (7), self-actuating brake (8), upper mounting plate (9), counterweight slideway (10), rear driving-belt (11), ladder (12), counterweight (13), rear support (14), electrical control cubicles (15), parking brake (16), reducer (17), shaft coupling (18), driving wheel (19), polished rod eye (20); Described base (1) is made with the welding of H shaped steel, is connected with frame (2) bolt; Described frame (2) is made with angle steel; Described driving front band (3) is made with nylon cloth, the vulcanization of rubber, driving front band (3) is walked around rotating horsehead and is connected with driving wheel (19), rear driving-belt (11) one ends are connected with counterweight (13), and an end is connected with driving wheel (19); Described front support (4) is made with square shaped steel, and top is connected with rotating horsehead frame (5) bolt, and the bottom is connected with frame (2) bolt; Described rotating horsehead frame (5) is made with the i iron welding; Described rotating horsehead (6) rolls welding with steel plate and makes; Described upper mounting plate (9) is made with the channel-section steel welding, and described slideway (10) is made with channel-section steel; Described ladder (12) is made with square steel, welds with frame (2); Described counterweight (13) is made with Plate Welding, is connected with roller with slideway (10); Described rear support (14) one ends are connected with frame (2) bolt, and the other end is connected with base (1) bolt; Described output shaft coupling (18) is made of a steel, and an end is connected with reducer output shaft, and the other end is connected with driving wheel (19); Described driving wheel (19) rolls with steel plate and is welded to form; Described polished rod eye (20) is processed into steel.
2. offshore production platform cluster well oil extractor according to claim 1 is characterized in that: frame adopts light weight angle steel to be welded into trussed construction, and it is in a row that a plurality of oil pumpers connect combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120527963 CN202659215U (en) | 2011-12-16 | 2011-12-16 | Oil pumping unit for offshore oil production platform cluster well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120527963 CN202659215U (en) | 2011-12-16 | 2011-12-16 | Oil pumping unit for offshore oil production platform cluster well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659215U true CN202659215U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120527963 Expired - Fee Related CN202659215U (en) | 2011-12-16 | 2011-12-16 | Oil pumping unit for offshore oil production platform cluster well |
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| Country | Link |
|---|---|
| CN (1) | CN202659215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437634A (en) * | 2016-10-25 | 2017-02-22 | 王福成 | Cluster well underwater pumping unit apparatus |
-
2011
- 2011-12-16 CN CN 201120527963 patent/CN202659215U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437634A (en) * | 2016-10-25 | 2017-02-22 | 王福成 | Cluster well underwater pumping unit apparatus |
| CN106437634B (en) * | 2016-10-25 | 2019-05-10 | 王福成 | The underwater pumping unit apparatus of cluster well |
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