CN201934077U

CN201934077U - Special pumping unit for offshore oil field

Info

Publication number: CN201934077U
Application number: CN2010206883528U
Authority: CN
Inventors: 李骥
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-08-17
Anticipated expiration: 2020-12-30

Abstract

The utility model provides a special pumping unit for offshore oil field, which is used for developing and producing ocean oil fields, and belongs to the field of oil extraction mechanism. The special pumping unit consists of a foundation 1, a foundation embedding part 2, a movable foundation 3, a movable foundation fixing nut suite 4, a base 5, a frame 6, a special beam hanger 7, a guide rail combination part 8 for the vertical motion of the beam hanger, an upper counterweight box and lower counterweight box connecting structure 9, a counterweight box 10, a counterweight box motion guide rail 11, a counterweight adhesive tape 12, a well head adhesive tape 13, a telescopic beam 14, a guide wheel 15, a roller 16, a speed reducer 17, a motor 18, a hand brake handlebar 19, a telescopic beam fixing mechanism 20, a telescopic screw rod 21, a screw rod bearing seat 22, a roller bearing seat 23, a hand brake mechanism 24, a distribution cabinet 25, an automatic brake 26, a large shaft coupler 27, a small shaft coupler 28, an upper platform 29, an upper safety sensor 30, a middle sensor 31 and a lower safety sensor 32. The pumping unit has the advantages that the characteristics of the offshore oil field such as small occupied area, large wind load and the like are taken into consideration, the four-link mechanism of the normal pumping unit is canceled, the pumping unit has a short transmission path and a simple structure, can be maintained conveniently, has low consumption on energy resource, runs safely and reliably, can adjust the working parameters intelligently, can be operated simply and easily, and is the novel long-stroke intelligent oil extraction equipment for offshore oil fields.

Description

The special-purpose oil pumper of offshore oilfield

Technical field the utility model relates to a kind of special-purpose oil pumper of offshore oilfield that is used for the marine oil field Development and Production, belongs to petroleum recovering machinery class.

Background technology in recent years, because the well yield of marine oil field is very high, the exploitation of marine oil field generally adopts modes such as electric submersible pump, screw pump, gaslift to carry out, along with increasing, the oil well output of exploiting difficulty successively decrease rapidly, the main causes such as development and use of ocean viscous crude, the continuation employing is exploited with upper type and difficulty just occurred, and utilizing oil pumper to carry out mechanical oil recovery will be well to substitute development scheme.But oil pumper is the visual plant that is mainly used in onshore oil field lifting crude oil, guarantees the oil well ordinary production at present.Little at the marine oil field platform, the individual well floor space is little, sea turn carries particularity such as very big, existing oil pumper can not satisfy the needs of offshore oilfield exploitation.

The summary of the invention the purpose of this utility model is to provide a kind of offshore oilfield special-purpose oil pumper.

The purpose of this utility model is achieved in that it is by ground (1), ground built-in fitting (2), removable foundation (3), removable foundation hold-down nut external member (4), base (5), frame (6), special polished rod eye (7), the polished rod eye set of rails component (8) that moves up and down, ballast box syndeton (9) up and down, ballast box (10), ballast box motion guide rail (11), counterweight adhesive tape (12), well head adhesive tape (13), extensible canopy (14), directive wheel (15), cylinder (16), reducer (17), motor (18), the hand brake is (19), extensible canopy fixed mechanism (20), flexible screw mandrel (21), screw mandrel shaft block (22), drum shaft bearing (23), hand brake mechanism (24), power distribution cabinet (25), self-actuating brake (26), big shaft coupling (27), little shaft coupling (28), upper mounting plate (29), last safety sensor (30), intermediate sensor (31), following safety sensor (32) is formed, its assembled relation is: go up safety sensor (30), intermediate sensor (31), following safety sensor (32), power distribution cabinet (25), motor (18) sensor is formed oil pumper operation monitoring system and control system, motor (18), little shaft coupling (28), self-actuating brake (26), reducer (17), big shaft coupling (27), drum shaft bearing (23), cylinder (16) connects to form the power unit successively, be fixed on the upper mounting plate (29), directive wheel (15) is connected with extensible canopy (14) front end, extensible canopy (14) tail end and flexible screw mandrel (21), screw mandrel shaft block (22) connects successively, screw mandrel shaft block (22), extensible canopy fixed mechanism (20) is fixed on the upper mounting plate (29), directive wheel (15) slidable (16) goes up well head adhesive tape (13) position, and directive wheel (15) axle is parallel with cylinder (16) axle, upper mounting plate (29) is supported by frame (6), frame (6) seat is on base (5), base (5) seat is on removable foundation (3), removable foundation (3) seat is on ground (1), ground built-in fitting (2) is prefabricated to be fixed in the ground, ground built-in fitting (2), removable foundation hold-down nut external member (4) is fixed together ground (1) and removable foundation (3), one of well head adhesive tape (13) is rectified to being fixed on the cylinder (16), the other end is connected with sucker rod by directive wheel (15), one end of counterweight adhesive tape (12) oppositely is fixed on the cylinder (16), the other end is connected with ballast box (10), ballast box (10) moves up and down along ballast box motion guide rail (11) in frame (6) lining, special polished rod eye (7) moves up and down along polished rod eye set of rails component (8) guide rail that moves up and down, on ballast box syndeton (9) can connect or separate up and down, following ballast box, power distribution cabinet (25) are installed on ground (1) or the removable foundation (3).

Operating principle of the present utility model is: by forward and reverse running of accurate control motor (18), through reducer (17), cylinder (16) outputting power, reciprocating motion through well head adhesive tape (13), counterweight adhesive tape (12) is passed to sucker rod and ballast box (10) to power, finish oil pumping work, ballast box (10) mainly is the effect that reaches the balance polished rod load.The influence that sea turn carries is to consider like this: frame (6) is designed to trussed construction, it is little that wind carries lifting surface area, removable foundation (3) is by ground built-in fitting (2), removable foundation hold-down nut external member (4) is fixed firmly with ground (1), guarantee the danger no matter overturning can not take place great wind carrier aircraft frame (6), simultaneously, the polished rod eye set of rails component (8) that moves up and down, ballast box motion guide rail (11) is fixedlyed connected with frame (6), make special polished rod eye (7), ballast box (10) can only be along the polished rod eye guide rail that moves up and down, the ballast box motion guide rail moves up and down, no matter great wind carries, even well head adhesive tape (13), counterweight adhesive tape (12) has shake under wind carries, but can not influence the oil well ordinary production.

The commutation running of control motor (18) realizes that sucker rod pumps to the utility model owing to adopt accurately, cancelled the four-bar linkage structure of conventional pumping unit, shorten drive path greatly, adopt additional balance weight can realize the load accurate balance, reduce energy consumption, safe and reliable, stroke, the adjustment of jig frequency is mainly set by the control panel of power distribution cabinet (25), the digitlization step-less adjustment, and can realize long-distance measure and control, according to the oil well actual condition running parameter and duty are set automatically, convenient and reliable, operate simple and easy, equipment cost and running cost are low, and is reasonable in design, is well suited for the offshore oilfield field popularization application.Because of counterweight adhesive tape (12), well head adhesive tape (13) can be gone up the winding random length at cylinder (16), therefore, the utility model is more suitable for to long stroke, ultra-long-stroke, slow jig frequency parameter expansion.This oil pumper fully takes into account that the offshore oilfield floor space is little, wind carries characteristics, structure design compactness, critical movements part such as big the restriction of special exercise constraint guide rail, safe and reliable to operation, is a kind of novel offshore oilfield long stroke intelligent oil extraction equipment.

Description of drawings Fig. 1 is the special-purpose oil pumper structural representation of offshore oilfield; Fig. 2 is the upper mounting plate schematic top plan view, below in conjunction with accompanying drawing enforcement of the present utility model is described further.

The specific embodiment such as Fig. 1, shown in 2, the utility model is by ground 1, ground built-in fitting 2, removable foundation 3, removable foundation hold-down nut external member 4, base 5, frame 6, special polished rod eye 7, the polished rod eye set of rails component 8 that moves up and down, the ballast box syndeton 9 up and down, ballast box 10, ballast box motion guide rail 11, counterweight adhesive tape 12, well head adhesive tape 13, extensible canopy 14, directive wheel 15, cylinder 16, reducer 17, motor 18, the hand brake is 19, extensible canopy fixed mechanism 20, flexible screw mandrel 21, screw mandrel shaft block 22, drum shaft bearing 23, hand brake mechanism 24, power distribution cabinet 25, self-actuating brake 26, big shaft coupling 27, little shaft coupling 28, upper mounting plate 29, last safety sensor 30, intermediate sensor 31, following safety sensor 32 is formed, ballast box 10 separated into two parts wherein, upper part is a fixed weight, in the monolateral hoisting power scope of motor 18, lower part is the adjustable weight part, make suitably to adjust the counterweight amount according to oil well condition, on ballast box syndeton 9 can connect or separate up and down, following ballast box, motor 18 is can frequently the commutate frequency control motor or the switched reluctance machines or can be by the asynchronous motor of variable frequency control of running, counterweight adhesive tape 12, well head adhesive tape 13 can be a belt of wire rope, high strength cord, wire rope, chain, the broadband, row's rope, the V-belt, nonwoven, the PVC band, on the cylinder 16 grooving is arranged, the difference forward is well head adhesive tape 13 fixedly, reverse fixed weight adhesive tape 12, self-actuating brake 26 can be brake open in usual or normally closed brake, the hand brake is installed in 19 in the self-actuating brake 26, be connected with hand brake mechanism 24 by wire rope, its assembled relation is: go up safety sensor 30, intermediate sensor 31, following safety sensor 32, power distribution cabinet 25, motor 18 sensors are formed oil pumper operation monitoring system and control system, motor 18, little shaft coupling 28, self-actuating brake 26, reducer 17, big shaft coupling 27, drum shaft bearing 23, cylinder 16 connects to form the power unit successively, be fixed on the upper mounting plate 29, directive wheel 15 is connected with extensible canopy 14 front ends, extensible canopy 14 tail ends and flexible screw mandrel 21, screw mandrel shaft block 22 connects successively, screw mandrel shaft block 22, extensible canopy fixed mechanism 20 is fixed on the upper mounting plate 29, well head adhesive tape 13 positions on directive wheel 15 slidable 16, and 15 of directive wheels are parallel with 16 on cylinder, upper mounting plate 29 is supported by

frame

6,6 of frames are on

base

5,5 of bases are on

removable foundation

3,3 of removable foundations are on ground 1, ground built-in fitting 2 prefabricated 1 li on the grounds that are fixed on, ground built-in fitting 2, removable foundation hold-down nut external member 4 firmly fixes removable foundation 3 and ground 1 together, removable foundation 3 and base 5 are connected by U-bolt, frame 6 and base 5, frame 6 and upper mounting plate 29 are connected by bolt, one of well head adhesive tape 13 is rectified to being fixed on the cylinder 16, the other end is connected with sucker rod by directive wheel 15, one end of counterweight adhesive tape 12 oppositely is fixed on the cylinder 16, the other end is connected with ballast box 10, ballast box motion guide rail 11 is fixedlyed connected with frame, the position can be adjusted, ballast box 10 moves up and down along ballast box motion guide rail 11 6 li of frames, the polished rod eye set of rails component 8 that moves up and down is fixedlyed connected with frame 6, the position can be adjusted, special polished rod eye 7 moves up and down along the move up and down guide rail of set of rails component 8 of polished rod eye, and power distribution cabinet 25 is installed on ground 1 or the removable foundation 3.When mounted, adjust extensible canopy 14, directive wheel 15 front and back positions, adjust position, directive wheel 15 left and right sides with the relative position of base 5, comprehensively realize directive wheel suspension point and well head centrally aligned by adjusting removable foundation 3 by adjusting flexible screw mandrel 21.

Claims

1. the special-purpose oil pumper of an offshore oilfield, it is characterized in that it is by ground (1), ground built-in fitting (2), removable foundation (3), removable foundation hold-down nut external member (4), base (5), frame (6), special polished rod eye (7), the polished rod eye set of rails component (8) that moves up and down, ballast box syndeton (9) up and down, ballast box (10), ballast box motion guide rail (11), counterweight adhesive tape (12), well head adhesive tape (13), extensible canopy (14), directive wheel (15), cylinder (16), reducer (17), motor (18), the hand brake is (19), extensible canopy fixed mechanism (20), flexible screw mandrel (21), screw mandrel shaft block (22), drum shaft bearing (23), hand brake mechanism (24), power distribution cabinet (25), self-actuating brake (26), big shaft coupling (27), little shaft coupling (28), upper mounting plate (29), last safety sensor (30), intermediate sensor (31), following safety sensor (32) is formed, its assembled relation is: go up safety sensor (30), intermediate sensor (31), following safety sensor (32), power distribution cabinet (25), motor (18) sensor is formed oil pumper operation monitoring system and control system, motor (18), little shaft coupling (28), self-actuating brake (26), reducer (17), big shaft coupling (27), drum shaft bearing (23), cylinder (16) connects to form the power unit successively, be fixed on the upper mounting plate (29), directive wheel (15) is connected with extensible canopy (14) front end, extensible canopy (14) tail end and flexible screw mandrel (21), screw mandrel shaft block (22) connects successively, screw mandrel shaft block (22), extensible canopy fixed mechanism (20) is fixed on the upper mounting plate (29), directive wheel (15) slidable (16) goes up well head adhesive tape (13) position, and directive wheel (15) axle is parallel with cylinder (16) axle, upper mounting plate (29) is supported by frame (6), frame (6) seat is on base (5), base (5) seat is on removable foundation (3), removable foundation (3) seat is on ground (1), prefabricated ground (1) lining that is fixed on of ground built-in fitting (2), ground built-in fitting (2), removable foundation hold-down nut external member (4) is fixed together ground (1) and removable foundation (3), one of well head adhesive tape (13) is rectified to being fixed on the cylinder (16), the other end is connected with sucker rod by directive wheel (15), one end of counterweight adhesive tape (12) oppositely is fixed on the cylinder (16), the other end is connected with ballast box (10), the polished rod eye set of rails component (8) that moves up and down, ballast box motion guide rail (11) is fixedlyed connected with frame (6), the position can be adjusted, ballast box (10) moves up and down along ballast box motion guide rail (11) in frame (6) lining, special polished rod eye (7) moves up and down along polished rod eye set of rails component (8) guide rail that moves up and down, and power distribution cabinet (25) is installed on ground (1) or the removable foundation (3).

2. the special-purpose oil pumper of offshore oilfield according to claim 1, it is characterized in that ballast box (10) separated into two parts, upper part is a fixed weight, in the monolateral hoisting power scope of motor (18), lower part is the adjustable weight part, and ballast box syndeton (9) can connect or separate upper and lower ballast box up and down.

3. the special-purpose oil pumper of offshore oilfield according to claim 1 is characterized in that motor (18) is can frequently the commutate frequency control motor of running or switched reluctance machines or can be by the asynchronous motor of variable frequency control.

4. the special-purpose oil pumper of offshore oilfield according to claim 1 is characterized in that counterweight adhesive tape (12), well head adhesive tape (13) can be belt of wire rope, high strength cord, wire rope, chain, broadband, row's rope, V-belt, nonwoven, PVC band.

5. the special-purpose oil pumper of offshore oilfield according to claim 1, it is characterized in that self-actuating brake (26) can be brake open in usual or normally closed brake, the hand brake is installed in (19) in the self-actuating brake (26), is connected with hand brake mechanism (24) by wire rope.