CN103953296B - A kind of modularization accumulating type offshore platform hydraulic workover unit - Google Patents
A kind of modularization accumulating type offshore platform hydraulic workover unit Download PDFInfo
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- CN103953296B CN103953296B CN201410189941.4A CN201410189941A CN103953296B CN 103953296 B CN103953296 B CN 103953296B CN 201410189941 A CN201410189941 A CN 201410189941A CN 103953296 B CN103953296 B CN 103953296B
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Abstract
Disclosed by the invention is a kind of modularization accumulating type offshore platform hydraulic workover unit, and offshore platform uses.This workover rig forms primarily of lower bottom base module, rig floor module, Hydraulic Station and master control case, energy storage module skid is in lower bottom base module, hoisting module is arranged in rig floor module, the fluid pressure line of the lift cylinder of hoisting module is connected in parallel on the fluid pressure line between Hydraulic Station and energy storage module, the hydraulic fluid port of lift cylinder is connected with brake valve and duplex guiding valve successively, the pilot solenoid valve of duplex guiding valve is connected with the electric control handle in master control case by control line, and brake valve is connected with the brake pilot valve in master control case by liquid controling pipe line.The present invention adopts hydraulic workover unit, devise energy storage module, energy storage module can store the high pressure liquid force feed of more than 200L 12-18MPa, solves prior art installed power large simultaneously, the problem wasted energy also effectively improves wind loading rating of the present invention, ensure that the job safety of equipment.
Description
Technical field
The present invention relates to the detachable workover rig of offshore platform, particularly a kind of modularization accumulating type offshore platform hydraulic workover unit, offshore platform uses.
Background technology
Along with offshore oil each Oilfield Group small-block oilfield rolling development project constantly increases, also increasing at the same time without workover rig production platform quantity on new, cause the upsurge that Liao Ge producer develops modular marine workover rig, but be substantially difficult to the pattern changing land workover rig.Just by common land workover rig and ancillary facility thereof, as derrick, winch etc. form several large module, skid is on production platform.Still adopt diesel engine-gearbox-winch as power, brake block friction brake, mechanical changeover etc., have that noise is large, brake produces the shortcoming such as asbestos dust, inconvenient operation.In addition, as a complete unit: installation period is long, the shortest 15 days; Structure member size and quality are all very large, are difficult to adapt to the Lifting Capacity of chain-wales loop wheel machine and high to the load bearing requirements of offshore oil production platform; The height of derrick is high, and wind area is large; Installed power is large, wastes energy.
Summary of the invention
The object of this invention is to provide a kind of modularization accumulating type offshore platform hydraulic workover unit, solve that the noise using common land workover rig and ancillary facility thereof to bring is large, brake produces that asbestos dust, inconvenient operation and derrick are high, wind area large, workover rig installed power is large, the shortcoming wasted energy.Using can the hydraulic workover unit of accumulation of energy, handled easily, energy conservation.
The present invention is achieved in that a kind of modularization accumulating type offshore platform hydraulic workover unit, primarily of lower bottom base module, rig floor module, Hydraulic Station and master control case composition, energy storage module skid is in lower bottom base module, hoisting module is arranged in rig floor module, the fluid pressure line of the lift cylinder of hoisting module is connected in parallel on the fluid pressure line between Hydraulic Station and energy storage module, the hydraulic fluid port of lift cylinder is connected with brake valve and duplex guiding valve successively, the pilot solenoid valve of duplex guiding valve is connected with the electric control handle in master control case by control line, brake valve is connected with the brake pilot valve in master control case by liquid controling pipe line.
Compared with prior art, remarkable result of the present invention is: the present invention adopts hydraulic workover unit, devise energy storage module simultaneously, energy storage module can store the high pressure liquid force feed of more than 200L 12-18MPa, when promoting tubing string, the hydraulic oil that pump exports and the hydraulic oil one that accumulator stores react on two lift cylinders, to improve hoisting velocity; When transferring tubing string, the hydraulic oil that pump exports stores in accumulator, and in time promoting tubing string, accumulator exports hydraulic oil fuel feeding together with pump next time.Installed power is only its 40-60% on year-on-year basis, significantly energy-conservation, in addition, even if when unexpected dead electricity, also can ensure the emergency operation safety of well head.Solve prior art installed power large, the problem wasted energy.Two lift cylinders instead of derrick, only upper carry down-hole string time just raise use, effectively improve wind loading rating of the present invention, ensure that the job safety of equipment.The present invention is easy and simple to handle, operates steadily, and noise is little, and production efficiency is high.Because the stroke of lift cylinder of the present invention sets, can stop " crashing into the crown " accident of common workover rig, security reliability is high.The present invention is design and installation coaster between two lift cylinders of hoisting module, makes the present invention become the aggregate of workover rig and derrick.The present invention adopts hydraulic workover unit, its noise is little, no dust pollution, easy to operate, and effective guarantee operating personnel's is healthy.The present invention adopts modularization, and rig floor module can adopt integral module, also can adopt split module, can adapt to the Lifting Capacity of Platform lifting devices to greatest extent.The present invention not only has significant result of use, and has significant economic benefit.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is top view of the present invention.
Detailed description of the invention
For disclosing technical scheme of the present invention further, carry out setting forth not limiting the scope of the invention below in conjunction with accompanying drawing.See Fig. 1, Fig. 2 and Fig. 3, a kind of modularization accumulating type offshore platform hydraulic workover unit forms primarily of lower bottom base module 3, rig floor module 6, Hydraulic Station 17 and master control case 16, platform rail 2 is welded on production platform spandrel girder 1, lower bottom base module 3 and platform rail 2 plane contact, be provided with locking erection device 4 at plane contact place.Plane perforate on platform rail 2, the end of lower bottom base module 3 is welded with earrings, and both connect by step device 5, can realize the transverse shifting of lower bottom base module 3 on platform rail 2.Rising pipe nipple 14 upper end connects blowout preventer set 13, lower end is connected with well head.Also be provided with between lower bottom base module 3 and rig floor module 6 and lock erection device 4 and step device 5, rig floor module 6 vertically moving in lower bottom base module 3 can be realized.The below of rig floor module 6 is provided with preventer thrust gear 12, can realize the transfer of blowout preventer set 13 between well head.Energy storage module 18 skid is in lower bottom base module 3, hoisting module 15 is arranged in rig floor module 6, the fluid pressure line of the lift cylinder 15-1 of hoisting module 15 is connected in parallel on the fluid pressure line between Hydraulic Station 17 and energy storage module 18, the hydraulic fluid port of lift cylinder 15-1 is connected with brake valve 11 and duplex guiding valve 10 successively, the pilot solenoid valve of duplex guiding valve 10 is connected with the electric control handle in master control case 16 by control line, and brake valve 11 is connected with the brake pilot valve in master control case 16 by liquid controling pipe line.Hoisting module 15 is provided with two lift cylinder 15-1 and overhead traveling crane 15-4 and coaster 15-5, the piston rod of lift cylinder 15-1 is connected with overhead traveling crane 15-4, the pin-and-hole of the pin-and-hole of bottom and rig floor module 6 lift cylinder bearing above passes through hinge, the centre of two lift cylinder 15-1 is coaster 15-5, and wire rope 15-6 is connected between two lift cylinder 15-1 and coaster 15-5.One end of wire rope 15-6 is fixed on the side of rig floor module 6, and the other end is fixed on the opposite side of rig floor module 6 after passing from the right pulley top of overhead traveling crane 15-4, the bottom of coaster 15-5 and the left chain wheel top of overhead traveling crane 15-4.Two lift cylinder 15-1 are by being connected with duplex guiding valve 10 or brake valve 11 after fluid pressure line parallel connection; Two lift cylinder 15-1 upper end cylinder barrels use connecting rod 15-2 to be rigidly connected, and be equipped with pull bar earrings be connected with diagonal member 15-3 and be fixed on the rear portion of rig floor module 6 by the other end of two diagonal member 15-3 in the outside of two lift cylinder 15-1 casing walls.Energy storage module 18 is at least equipped with 8 accumulators, and each accumulator is in parallel by fluid pressure line.Energy storage module 18 is arranged on above lower bottom base module 3, and the oil-out of energy storage module 18 is communicated with the high pressure pipe mouth of Hydraulic Station 17, at least can store the high pressure liquid force feed of 200L.The front end of rig floor module 6 is connected with the platform 6-3 that wafts, and the front portion of the platform 6-3 that wafts is fixed on by hound on the pillar of rig floor module 6, extends work top, tubing string can be lain in a horizontal plane on work top.Rig floor module 6 is integral module or split module, when using split module, can be divided into main rig floor 6-1 and secondary rig floor 6-2.The weight of individual modules can be alleviated, be convenient to lifting.If use split module, energy storage module 18 and Hydraulic Station 17 can be arranged on the both sides in room between main rig floor 6-1 and secondary rig floor 6-2, hoisting module 15, blowout preventer set 13, well head and hydraulic drill dish 7 are arranged for main rig floor 6-1, and amplitude oil cylinder 9 and cylinder bracket 8 are arranged for secondary rig floor 6-2.Hydraulic swivel head 7 is equipped with in main rig floor 6-1 work top well head center, passes through bolt between main rig floor 6-1 and secondary rig floor 6-2
,alignment pin connects.The location interval of the lift cylinder 15-1 on secondary rig floor 6-2 both sides, corresponding main rig floor 6-1 arranges amplitude oil cylinder 9 and cylinder bracket 8, and amplitude oil cylinder 9 is hinged with the outer wall of lift cylinder 15-1; Cylinder bracket 8 is located at the outside of amplitude oil cylinder 9, and its height conforms to the height of the lift cylinder bearing on main rig floor 6-1.Pin-and-hole on pin-and-hole bottom two lift cylinder 15-1 and main rig floor 6-1 is hinged by pivot pin, can two lift cylinder 15-1 be lain in a horizontal plane on cylinder bracket 8, by amplitude oil cylinder 9, two lift cylinder 15-1 be pushed up to vertical operation state during operation.Rig floor module 6 is also equipped with winch.Master control case 16 mainly comprises start stop switch, electric control handle, brake lever, brake valve 11 etc., and master control case 16 is arranged on the avris of secondary rig floor 6-2.The electric control handle of master control case 16 is connected with the pilot solenoid valve of duplex guiding valve 10, and brake pilot valve is connected with brake valve 11 by liquid controling pipe line, indirectly controls the switching of lift cylinder 15-1 hydraulic fluid port high-low pressure fluid pressure line.Hydraulic Station 17 and energy storage module 18 skid are on lower bottom base module 3, and electric, fluid path passes through the quick grafting of snap joint.
Also be provided with locking erection device 4 in lower bottom base module 3 and rig floor module 6 plane contact place, the hole in the earrings of rig floor module 6, lower bottom base module 3 in plane and step device 5 complete the vertical shift of lower bottom base module 3 on platform rail 2 jointly.Be provided with down " T " track on the downside of rig floor module 6 work plane, track coordinates with the pulley in preventer thrust gear 12, unclamps the connecting bolt raising pipe nipple 14 and blowout preventer set 13, can realize the monolithic push of blowout preventer set 13.
Claims (8)
1. a modularization accumulating type offshore platform hydraulic workover unit, primarily of lower bottom base module (3), rig floor module (6), Hydraulic Station (17) and master control case (16) composition, it is characterized in that, energy storage module (18) skid is in lower bottom base module (3), hoisting module (15) is arranged in rig floor module (6), the fluid pressure line of the lift cylinder (15-1) of hoisting module (15) is connected in parallel on the fluid pressure line between Hydraulic Station (17) and energy storage module (18), the hydraulic fluid port of lift cylinder (15-1) is connected with brake valve (11) and duplex guiding valve (10) successively, the pilot solenoid valve of duplex guiding valve (10) is connected with the electric control handle in master control case (16) by control line, brake valve (11) is connected with the brake pilot valve in master control case (16) by liquid controling pipe line.
2. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 1, it is characterized in that, described hoisting module (15) is provided with two lift cylinders (15-1) and overhead traveling crane (15-4) and coaster (15-5), the piston rod of lift cylinder (15-1) is connected with overhead traveling crane (15-4), above pin-and-hole and the rig floor module (6) of bottom, the pin-and-hole of lift cylinder bearing passes through hinge, the centre of two lift cylinders (15-1) is coaster (15-5), wire rope (15-6) is connected between two lift cylinders (15-1) and coaster (15-5).
3. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 2, it is characterized in that, one end of described wire rope (15-6) is fixed on the side of rig floor module (6), and the other end is fixed on the opposite side of rig floor module (6) after passing from the right pulley top of overhead traveling crane (15-4), the bottom of coaster (15-5) and the left chain wheel top of overhead traveling crane (15-4).
4. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 2, is characterized in that, described two lift cylinders (15-1) are by being connected with duplex guiding valve (10) or brake valve (11) after fluid pressure line parallel connection; Two lift cylinder (15-1) upper end cylinder barrels use connecting rod (15-2) to be rigidly connected, and be equipped with pull bar earrings be connected with diagonal member (15-3) and be fixed on the rear portion of rig floor module (6) by the other end of two diagonal members (15-3) in the outside of two lift cylinder (15-1) casing walls.
5. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 1, it is characterized in that, energy storage module (18) is at least equipped with 8 accumulators, and each accumulator is in parallel by fluid pressure line.
6. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 1 or 5, it is characterized in that, energy storage module (18) is arranged on above lower bottom base module (3), the oil-out of energy storage module (18) is communicated with the high pressure pipe mouth of Hydraulic Station (17), at least can store the high pressure liquid force feed of 200L.
7. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 1, it is characterized in that, the front end of described rig floor module (6) is connected with the platform that wafts (6-3), and the front portion of the platform that wafts (6-3) is fixed on the pillar of rig floor module (6) by hound.
8. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 1 or 7, it is characterized in that, described rig floor module (6) is integral module or split module.
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| CN201410189941.4A CN103953296B (en) | 2014-05-07 | 2014-05-07 | A kind of modularization accumulating type offshore platform hydraulic workover unit |
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| CN201410189941.4A CN103953296B (en) | 2014-05-07 | 2014-05-07 | A kind of modularization accumulating type offshore platform hydraulic workover unit |
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| CN103953296B true CN103953296B (en) | 2016-03-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104818950B (en) * | 2015-05-08 | 2017-04-26 | 中国石油集团西部钻探工程有限公司 | Swabbing truck derrick workbench |
| CN109958399A (en) * | 2019-04-23 | 2019-07-02 | 中海石油(中国)有限公司 | A kind of offshore platform Simple hydraulic workover rig |
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| WO2009135047A2 (en) * | 2008-04-30 | 2009-11-05 | Troy Rodgers | Mobile hydraulic workover rig |
| CN101725326A (en) * | 2009-07-24 | 2010-06-09 | 胜利油田山友石油技术有限公司 | Modular assembly type offshore platform hydraulic energy-storing workover rig |
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| CN202866685U (en) * | 2012-10-24 | 2013-04-10 | 东营鸿昇机械设备有限公司 | Under-pressure energy storage workover rig |
| CN203822196U (en) * | 2014-05-07 | 2014-09-10 | 东营蒙德金马机车有限公司 | Modularization energy-storage type hydraulic workover rig of offshore oil platform |
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| WO2009135047A2 (en) * | 2008-04-30 | 2009-11-05 | Troy Rodgers | Mobile hydraulic workover rig |
| CN101725326A (en) * | 2009-07-24 | 2010-06-09 | 胜利油田山友石油技术有限公司 | Modular assembly type offshore platform hydraulic energy-storing workover rig |
| CN202325303U (en) * | 2011-10-12 | 2012-07-11 | 顾心怿 | Front hydraulic energy storage workover rig |
| CN202866685U (en) * | 2012-10-24 | 2013-04-10 | 东营鸿昇机械设备有限公司 | Under-pressure energy storage workover rig |
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