CN103953296A - Modular energy storage type offshore oil platform hydraulic workover rig - Google Patents
Modular energy storage type offshore oil platform hydraulic workover rig Download PDFInfo
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- CN103953296A CN103953296A CN201410189941.4A CN201410189941A CN103953296A CN 103953296 A CN103953296 A CN 103953296A CN 201410189941 A CN201410189941 A CN 201410189941A CN 103953296 A CN103953296 A CN 103953296A
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Abstract
The invention discloses a modular energy storage type offshore oil platform hydraulic workover rig which is used on an offshore oil platform. The hydraulic workover rig mainly comprises a lower base module, a rig floor module, a hydraulic station and a main control box; an energy storage module is skid-mounted on the lower base module; a lift module is installed on the rig floor module, and a hydraulic pipeline of a lift air cylinder of the lifting module is connected onto the hydraulic pipeline between the hydraulic station and the energy storage module, and an oil port of the lift oil cylinder is connected with a brake valve and a double slide valve in sequence; a pilot-operated solenoid valve of the double slide valve is connected with an electric control handle in the main control box through a control line; and the brake valve is connected with a brake pilot-operated valve in the main control box through a hydraulic control pipeline. The hydraulic workover rig has the benefits that the hydraulic workover rig is adopted, the energy storage module is designed at the same time, the energy storage module can store above 200 L of 12-18 MPa high-pressure hydraulic oil, the problems of high mounting power and energy resource waste in the prior art are solved, and the wind resistance of the hydraulic workover rig is effectively improved, so that the operation safety of equipment is ensured.
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 is used on offshore platform.
Background technology
Along with each Oilfield Group small-block oilfield rolling development project of offshore oil constantly increases, also increasing at the same time without workover rig production platform quantity on new, cause the upsurge of Liao Ge producer to the exploitation of modular marine workover rig, but be substantially difficult to change the pattern of land workover rig.Just, by workover rig and ancillary facility thereof for common land, as derrick, winch etc. form several large modules, skid is on production platform.Still adopt diesel engine-gearbox-winch as power, brake block friction brake, mechanical changeover etc., have the shortcomings such as noise is large, brake generation 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, the noise that solve to use common land workover rig and ancillary facility thereof to bring is large, brake produces asbestos dust, inconvenient operation and derrick is high, wind area large, workover rig installed power is large, the shortcoming wasting energy.Use can accumulation of energy hydraulic workover unit, handled easily, energy conservation.
The present invention is achieved in that a kind of modularization accumulating type offshore platform hydraulic workover unit, mainly by lower bottom base module, rig floor module, Hydraulic Station and master control case form, 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 duplex guiding valve with brake 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, designed energy storage module simultaneously, energy storage module can store the high pressure liquid force feed of the above 12-18MPa of 200L, while promoting tubing string, the hydraulic oil one that the hydraulic oil of pump output and accumulator store reacts on two lift cylinders, to improve hoisting velocity; While transferring tubing string, the hydraulic oil of pump output stores in accumulator, when promoting tubing string next time, and accumulator output hydraulic oil fuel feeding together with pump.Installed power is only its 40-60% on year-on-year basis, significantly energy-conservation, in addition, even when unexpected dead electricity, also can guarantee the emergency operation safety of well head.Solved prior art installed power large, the problem wasting energy.Two lift cylinders have substituted derrick, only, in the upper use that just raises while carrying down-hole string, have effectively improved wind loading rating of the present invention, have guaranteed 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 between two lift cylinders of hoisting module design and installation coaster, make the present invention become the aggregate of workover rig and derrick.The present invention adopts hydraulic workover unit, and its noise is little, no dust pollution, easy to operate, effective guarantee operating personnel healthy.The present invention adopts modularization, and rig floor module can adopt integral module, also can adopt split module, can adapt to greatest extent the Lifting Capacity of Platform lifting devices.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.
The specific embodiment
For further disclosing technical scheme of the present invention, below in conjunction with accompanying drawing, set forth not and limit the scope of the invention.Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of modularization accumulating type offshore platform hydraulic workover unit is mainly comprised 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 ends connect blowout preventer set 13, lower end is connected with well head.Between lower bottom base module 3 and rig floor module 6, be also provided with locking erection device 4 and step device 5, can realize rig floor module 6 vertically moving in lower bottom base module 3.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 skids are 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 duplex guiding valve 10 with brake valve 11 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 lift cylinder bearing is hinged by bearing pin above for the pin-and-hole of bottom and rig floor module 6, 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 a side of rig floor module 6, and the other end is fixed on the opposite side of rig floor module 6 from the left chain wheel top of the right pulley top of overhead traveling crane 15-4, the bottom of coaster 15-5 and overhead traveling crane 15-4 is passed.Two lift cylinder 15-1 are connected with duplex guiding valve 10 or brake valve 11 by after fluid pressure line parallel connection; Two lift cylinder 15-1 upper end cylinder barrels are used connecting rod 15-2 to be rigidly connected, and are equipped with the rear portion that pull bar earrings and diagonal member 15-3 are connected and are fixed on by the other end of two diagonal member 15-3 rig floor module 6 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 be arranged on lower bottom base module 3 above, 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 10 that wafts, and the front portion of the platform 10 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, while using split module, can be divided into main rig floor 6-1 and secondary rig floor 6-2.Can alleviate the weight of individual modules, be convenient to lifting.If use split module, energy storage module 18 and Hydraulic Station 17 can be arranged on to 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, between main rig floor 6-1 and secondary rig floor 6-2, passes through bolt
,alignment pin connects.The location interval of 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 lift cylinder bearing on main rig floor 6-1.The pin-and-hole of two lift cylinder 15-1 bottoms and the pin-and-hole on main rig floor 6-1 is hinged by pivot pin, two lift cylinder 15-1 can be lain in a horizontal plane on cylinder bracket 8, during operation, can two lift cylinder 15-1 be pushed up to vertical operation state by amplitude oil cylinder 9.Winch is also housed in rig floor module 6.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, has indirectly controlled the switching of lift cylinder 15-1 hydraulic fluid port high-low pressure fluid pressure line.Hydraulic Station 17 and energy storage module 18 skids are on lower bottom base module 3, peg graft fast by snap joint in electric, liquid road.
In lower bottom base module 3 and rig floor module 6 plane contact places, be also provided with locking erection device 4, 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.Rig floor module 6 work plane downsides are provided with down " T " track, and track coordinates with the pulley in preventer thrust gear 12, unclamps the connecting bolt of rising pipe nipple 14 and blowout preventer set 13, can realize the integral body of blowout preventer set 13 and pass.
Claims (8)
1. a modularization accumulating type offshore platform hydraulic workover unit, mainly by lower bottom base module (3), rig floor module (6), Hydraulic Station (17) and master control case (16) form, 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 duplex guiding valve (10) with brake valve (11) 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), pin-and-hole and the rig floor module (6) of bottom above the pin-and-hole of lift cylinder bearing to pass through bearing pin hinged, 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 a side of rig floor module (6), and the other end is fixed on the opposite side of rig floor module (6) from the left chain wheel top of the right pulley top of overhead traveling crane (15-4), the bottom of coaster (15-5) and overhead traveling crane (15-4) is passed.
4. according to a kind of modularization accumulating type offshore platform hydraulic workover unit described in claim 1 or 2 or 3, it is characterized in that, described two lift cylinders (15-1) are connected with duplex guiding valve (10) or brake valve (11) by after fluid pressure line parallel connection; Two lift cylinders (15-1) upper end cylinder barrel is used connecting rod (15-2) to be rigidly connected, and is equipped with that pull bar earrings is connected with diagonal member (15-3) and the other end that passes through two diagonal members (15-3) is fixed on the rear portion of rig floor module (6) in the outside of two lift cylinders (15-1) casing wall.
5. a kind of modularization accumulating type offshore platform hydraulic workover unit according to claim 1, 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) be arranged on lower bottom base module (3) above, 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 (10), and the front portion of the platform that wafts (10) is fixed on the pillar of rig floor module (6) by hound.
8. according to a kind of modularization accumulating type offshore platform hydraulic workover unit described in 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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Cited By (2)
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| CN104818950A (en) * | 2015-05-08 | 2015-08-05 | 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 |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| CN103953296B (en) | 2016-03-30 |
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