CN102979476A - BOP (blowout preventer) storage and transportation device for deep sea float type drilling well - Google Patents
BOP (blowout preventer) storage and transportation device for deep sea float type drilling well Download PDFInfo
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- CN102979476A CN102979476A CN2012105314218A CN201210531421A CN102979476A CN 102979476 A CN102979476 A CN 102979476A CN 2012105314218 A CN2012105314218 A CN 2012105314218A CN 201210531421 A CN201210531421 A CN 201210531421A CN 102979476 A CN102979476 A CN 102979476A
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Abstract
The invention discloses a BOP (blowout preventer) storage and transportation device for a deep sea float type drilling well. The BOP storage and transportation device comprises a basal body, which is formed by welding two side box type beams with a rear end box type beam. The basal body is provided with a space for accommodating a BOP, a driving device and a guide device are arranged on the basal body, the guide device comprises a guide rail arranged on the deck of a vessel body, and the basal body is provided with a pressure test device; and according to the BOP storage and transportation device, the BOP can be stored through the movable basal body, compared with the method that the arrangement of a fixed BOP storage zone on the deck is required for storing the BOP in the prior art, a BOP storage position is more flexible, during the working processes of well drilling waiting, towing and the like without the participation of the BOP, if the BOP stored on the deck intervenes the arrangement of other devices, the position of the basal body can be conveniently adjusted, a fixed occupied area is saved for the deck, and a larger and more flexible designing area is provided for the deck.
Description
Technical field
The present invention relates to a kind of device in order to storage and movement preventer, especially a kind of deep-sea floating type well drilling BOP storage and transportation apparatus.
Background technology
Semisubmersible drilling platform is for the offshore structures of probing well, mainly comprises the equipment such as drilling well, power, communication, navigation etc., and its middle and upper part is spar deck, and the bottom is two pontoons, connects with support post.
Drilling equipment comprises drilling equipment, power-equipment, cementing equipment, formation testing equipment, lifting, anchoring and mooring system and other auxiliary equipment, and drilling equipment wherein mainly comprises blowout preventer set, marine riser, LMRP and other ancillary services.
The crucial well-control equipment of blowout preventer set is BOP, and BOP is preventer, is to close well head for operation process such as formation testing, well workover, completions, prevents the security seal wellhead assembly that gas blowout accident occurs.
The agent structure of BOP mainly is to bear High Pressure, and inner critical component is valve member, flashboard, connects by flange between the parts, and flange can bear the weight of whole BOP, is used for the operation of transferring of BOP.But because the miscellaneous part of BOP cannot bear larger external force; therefore generally; be set with the BOP framework at BOP; so that being transferred, BOP leads and protective effect; not only can support the whole weight of gas BOP, also can prevent the BOP body and because hull waves the motion of generation itself and hull be bumped.Open frame construction around BOP framework integral body is comprises the upright of frame of four vertical directions, is provided with back-up block in order to the location at upright of frame, and back-up block is arranged on the upright of frame, and along continuous straight runs extend out to the periphery of upright of frame.When BOP being transferred to the seawater, be connected with marine riser on the BOP, and be used for connecting the LMRP of BOP and marine riser.
Drilling equipment is mainly transferred, is migrated by offshore boring island and be fixing, is provided with moon pool, well head etc. on the offshore boring island, and BOP and LMRP are usually placed in the moon pool two ends, and in the both sides of moon pool slideway and dolly are installed, for the loading and unloading of blowout preventer set.
Before with blowout preventer set work, usually need to store blowout preventer set, the operation such as movement, pressure testing, blowout preventer set is sent to or is moved apart pithead position, transfer or field-strip to finish.
Wherein blowout preventer set mainly comprises following operating process:
A, storage
Before installing, blowout preventer set is stored on the offshore boring island usually;
The common way of prior art is to divide special storage area or directly be stored in the moon pool at offshore boring island.
B, movement
In drilling process, need by transportation equipment with blowout preventer set from the storage location to the pithead position, and transfer, install from well head;
Common way is to utilize guide rail and the dolly of moon pool side in the prior art, blowout preventer set is moved to well head after, dolly is removed, the recycling loop wheel machine blowout preventer set is hung in to well head.
C, pressure testing
Before blowout preventer set is transferred, need to carry out pressure testing at deep sea drilling to blowout preventer set, carry out last installation after pressure testing is complete, connect successively each parts of blowout preventer set and standpipe.
In order to realize aforesaid operations, usually need a plurality of equipment that are separated from each other to be used, it has following weak point:
1, to the sequence of operations step of the storage of BOP and framework thereof, movement, pressure testing, need to be matched by multiple devices and finish, relatively independent between each equipment, when arranging, need take than large space, simultaneously, operating process is comparatively loaded down with trivial details.
When 2, by pulley and guide rail cooperation blowout preventer set being carried out movement, blowout preventer set is easily because of the motion of hull with the water surface, along lead rail axis to the nature slippage occurs.
3, cooperate when blowout preventer set carried out movement by pulley and guide rail in the prior art, blowout preventer set easily because of the motion of hull with the water surface, is turned on one's side at guide rail.
4, blowout preventer set is when movement, and Yi Yin and hull bump and damage.
Summary of the invention
The object of the invention is to: for the problem of above-mentioned existence, a kind of easily deep-sea floating type well drilling BOP storage and transportation apparatus of little, BOP movement that takes up room is provided, and can realize BOP storage, movement, pressure testing and lowering function are integrated, simplified the operating process of BOP.
The technical solution used in the present invention is: a kind of deep-sea floating type well drilling BOP storage and transportation apparatus, comprise matrix, described matrix is formed by two side box beam and a rear end welding box beam, described matrix is provided with the space that holds BOP, be provided with drive unit and guiding device on the described matrix, described guiding device comprises the guide rail that is arranged on the deck in ship structure, is provided with pressure testing device on the described matrix.
The present invention stores BOP by transportable matrix, compare with the mode that needs in the prior art to store BOP in the fixing BOP storage area of arranging of deck, the position of the storage of BOP is more flexible, do not need in the operation process of BOP participation in drilling well wait and towage etc., when if storage BOP above deck interferes the layout of other devices, can adjust the position of matrix easily, for having saved fixing floor space in the deck, and provide larger, design section more flexibly for the deck;
Because matrix of the present invention all is on the plane of deck in ship structure in various operating modes, when needs move, only needing drive unit to drive along the direction that is parallel to guide rail gets final product, with need in the prior art that first BOP on the bit of storage, is vertically lifted by crane certain altitude from the deck, BOP is erected at the guide rail top, and compare by the long distance of truss, high capacity ground pulling BOP, operate more flexible, and simple in structure, with low cost.
Among the present invention, BOP is connected with matrix is dismantled and assembled, the pressure testing device of BOP is integrated on the matrix, servo-actuated with BOP, in the time of need to carrying out the BOP pressure testing, can shift out easily, in prior art, expend a large amount of manpowers and first pressure testing device be carried to BOP mode other fixing, assembling from other places and compare, reduced transportation equipment, and shortened consuming time, reduce drilling cost.
Preferably, also be provided with bracing or strutting arrangement on the described matrix, described bracing or strutting arrangement comprises carrier bar and drives oil cylinder, described driving hydraulic oil cylinder driving carrier bar move toward one another between two side box beam.
Owing to adopt the form of structure of fluid cylinder horizontal sliding, carrier bar can be along move toward one another between two side box beam, realize flexible, with carrier bar to the matrix center stretch out and with the BOP framework on the back-up block interference after, the BOP framework can be hung on the matrix, realize temporary fixed; Also can when needs are transferred the BOP framework to the seawater, carrier bar be retracted, eliminate the interference of the back-up block on carrier bar and the BOP framework after, the BOP framework can be transferred.Simple in structure and can satisfy BOP in movement, pressure testing, store and transfer the location under these four kinds of operating modes.
The carrier bar of bracing or strutting arrangement, extended vertical below to back-up block, be after carrier bar stretches out to the matrix middle part, can fit with the back-up block that is arranged on the BOP framework, and by carrier bar with BOP framework jack-up, carry the weight of BOP and BOP framework, and effectively reduce the storage height of BOP, reduced simultaneously the requirement of drilling floor surface height; When BOP need to transfer, slightly regulate the interference that can remove between the back-up block that protrudes on carrier bar and the BOP framework, realize further transferring of BOP.
Preferably, be provided with two through holes on described two side box beam, described through hole runs through the side box beam along the vertical line direction of two side box beam, described carrier bar is arranged in the through hole, the bottom of described carrier bar is fixedly connected with top shoe, and the inner side adjacent with top shoe of described through hole is provided with sliding block.
Adopt such structure, guaranteeing to adopt friction factor less top shoe and sliding block to cooperate between carrier bar and through hole, realize lowly frictionally sliding, and avoided carrier bar built on stilts, have higher bearing capacity, and stable.
Preferably, also be provided with clamping device on the described matrix, described clamping device comprises clamping pedestal and adjusting screw, described clamping pedestal is to be formed by connecting by two orthogonal plate bodys, the cross section of described clamping pedestal is L-type, be provided with screwed hole on two plate bodys of described clamping pedestal, described adjusting screw stretches into from the outside of plate body by screwed hole.
Adopt such structure, can be by adjusting adjusting screw on the clamping device and the thrust between the BOP framework, the BOP framework is clamped or unclamp, colliding with or damaging to slow down because of what BOP framework and hull relative motion caused.
Preferably, the quantity of clamping device is four, a plate body of clamping pedestal is parallel with the side box-girder, four clamping devices are separately positioned on two side box-girders, and four upright of frame on the corresponding BOP framework of difference, the BOP framework firmly added be held in the pedestal center, make the BOP framework have better stability.
Preferably, described guiding device also comprises the roller assembly that is arranged at the matrix bottom, and the bonding surface of described roller assembly and guide rail is positioned at the end face of guide rail.
With rolling friction, the mode of sliding friction between BOP framework and the guide rail in the alternative prior art, the frictional resistance of matrix when mobile is less, and reduces the demand to power source.
The reason that does not adopt roller assembly to match with guide rail in the prior art is: when the BOP framework stores above deck, consideration for safety and stability, usually need the BOP frame hoisting from guide rail, therefore, if the form that adopts pulley guide rails to cooperate, be difficult to guide rail is aimed at roller during to guide rail at the BOP frame hoisting, and when the BOP framework is parked on the hull, also be difficult for making it fixing.
Preferably, also be provided with drive unit on the described matrix, described drive unit comprises hydraulic motor, gear and tooth bar, described hydraulic motor is fixedly connected with matrix, be provided with gear on the output of described hydraulic motor, described tooth bar and guide rail are arranged on the hull in the same way, and the wheel and rack on the described hydraulic motor cooperatively interacts.
Adopt such structure, by the engagement of rack-and-pinion, prevented that matrix from because the nature slippage occurs in ship motion, having improved the reliability of equipment.And hydraulic motor also needs certain torque by static starting state to beginning to rotate, and has guaranteed that further matrix can be because of the slight swing slippage of hull.
Preferably, also be fixedly connected with hydraulic pin on the described matrix, be provided with pin-and-hole on the described hull, described hydraulic pin comprises oil cylinder and lock pin, and described hydraulic oil cylinder driving lock pin is vertically mobile, and the pin-and-hole on described lock pin and the hull is suitable.
By hydraulic pin matrix is fixed on the hull, can as required matrix and hull be connected as a single entity, relatively move to prevent matrix and hull.
Preferably, the upper surface of described two side box beam respectively is provided with an operating platform, and described operating platform comprises structural steel frame and Turbogrid plates, and shape and the structural steel frame of described Turbogrid plates are suitable, and a side and the side box-girder of described structural steel frame are hinged; Hinged opposite side one side of described structural steel frame and side box-girder is provided with semicircular through hole.
Adopt such structure, because BOP is impossible manual operation in the seabed, can only the operation such as tie up, untie by the control pipeline that depends on the marine riser, adopt the operating platform on the integrated matrix, in prior art, set up the mode that special-purpose manned maintenance platform operates at floating drilling platform and compare, need not to take separately the space on the deck in ship structure; And the operating platform folding and unfolding is convenient, and efficiency of construction is higher, does not interfere other operations, need not to take separately platform space, and is with low cost.
Need to prove that when two operating platforms were in level, the through hole on two operating platforms was combined into circular through hole, in order to hold the upper marine riser that connects of BOP; Through hole aperture ratio marine riser external diameter is bigger, satisfies operating personnel and stands in operating platform and can carry out attended operation to the pipeline on the marine riser.
Preferably, be fixed with the operating platform diagonal brace at matrix, when operating platform turned to level, the bottom surface of operating platform and platform diagonal brace fitted tightly.Be similar to the form of reinforcing rib, increase the supporting capacity of operating platform.
Preferably, described pressure testing device comprises pressure testing stake, transmission arm and rotation fluid cylinder, and an end and the matrix of described transmission arm are hinged, and the other end of described transmission arm is welded with the pressure testing stake, also be fixed with the rotation fluid cylinder on the described matrix, termination and the transmission arm of described rotation fluid cylinder are hinged.
Drive the transmission arm rotation by the rotation fluid cylinder, thereby can when pressure testing, the pressure testing stake be rotated to the position coaxial with the center of BOP, to finish pressure testing.Pressure testing is simple to operate, efficient is high, and pressure testing device is under other operating modes, and rotary oil cylinder drives transmission arm, and the pressure testing stake is accommodated in box beam bottom, rear end, does not interfere the miscellaneous part normal operation.Pressure testing device be integrated in BOP near, when the needs pressure testing, need not to be transported to the scene by floor truck from the strange land with the pressure testing stake.
Preferably, described guiding device also comprises directive wheel, and the bonding surface of described directive wheel and guide rail is positioned at the side of guide rail.
By the side at guide rail directive wheel is set, can prevent that matrix from wandering off when mobile, optimum, the quantity of directive wheel is two, and is separately positioned on the both sides of guide rail, also is fixedly installed anti-tilting apparatus on the described matrix, the sidepiece of described guide rail is gathering sill, described anti-tilting apparatus one end extends to the gathering sill outside of guide rail, and described anti-tilting apparatus cooperates with the ramp of gathering sill, the drift angle between restriction matrix bottom surface and the deck in ship structure.Adopt such structure, can guarantee that matrix can not tumble because of the motion of hull, directive wheel and roller assembly together coat end face and the two sides of guide rail, further avoid matrix to be offset in moving process.
Preferably, also be provided with snubber on the rear end box beam of described matrix.Avoid damaging BOP because of collision.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
The present invention stores BOP by transportable matrix, compare with the mode that needs in the prior art to store BOP in the fixing BOP storage area of arranging of deck, the position of the storage of BOP is more flexible, do not need in the operation process of BOP participation in drilling well wait and towage etc., when if storage BOP above deck interferes the layout of other devices, can adjust the position of matrix easily, for having saved fixing floor space in the deck, and provide larger, design section more flexibly for the deck;
Because matrix of the present invention all is on the plane of deck in ship structure in various operating modes, when needs move, only needing drive unit to drive along the direction that is parallel to guide rail gets final product, with need in the prior art that first BOP on the bit of storage, is vertically lifted by crane certain altitude from the deck, BOP is erected at the guide rail top, and compare by the long distance of truss, high capacity ground pulling BOP, operate more flexible, and simple in structure, with low cost.
And the present invention is integrated in the pressure testing device of BOP on the matrix, servo-actuated with BOP, in the time of need to carrying out the BOP pressure testing, can shift out easily, in prior art, expend a large amount of manpowers and first pressure testing device be carried to BOP mode other fixing, assembling from other places and compare, reduced transportation equipment, and shortened consuming time, reduce drilling cost.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus;
Fig. 2 is that deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is at the top view that stores under the operating mode;
Fig. 3 is that deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is at the sectional view that stores under the operating mode;
Fig. 4 is the structural representation of deep-sea floating type well drilling BOP storage and transportation apparatus of the present invention under the movement operating mode;
Fig. 5 is A-A partial enlarged view among Fig. 4;
Fig. 6 is that deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is at the lateral view of movement operating mode;
Fig. 7 is that deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is at the structural representation of pressure testing operating mode;
Fig. 8 is that deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is at the upward view of pressure testing operating mode;
Fig. 9 is deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is transferred operating mode at BOP structural representation;
Figure 10 is B-B partial enlarged drawing among Fig. 9;
Figure 11 is deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus is transferred operating mode at BOP upward view;
Figure 12 is the structural representation of bracing or strutting arrangement in the floating type well drilling BOP storage and transportation apparatus of deep-sea of the present invention;
Figure 13 is the structural representation of operating platform in the floating type well drilling BOP storage and transportation apparatus of deep-sea of the present invention;
Figure 14 is the annexation schematic diagram of operating platform in the floating type well drilling BOP storage and transportation apparatus of deep-sea of the present invention;
Figure 15 is the structural representation of matrix in the floating type well drilling BOP storage and transportation apparatus of deep-sea of the present invention;
Figure 16 is the structural representation of BOP framework;
Figure 17 is the top view of guiding device in the floating type well drilling BOP storage and transportation apparatus of deep-sea of the present invention.
Mark is as follows among the figure: matrix-1; Side box beam-1a; Rear end box beam-1b; Drive unit-2; Hydraulic motor-2a; Gear-2b; Tooth bar-2c; Guiding device-3; Guide rail-3a; Directive wheel-3b; Roller assembly-3c; Pressure testing device-4; Pressure testing stake-4a; Transmission arm-4b; Rotation fluid cylinder-4c; Bracing or strutting arrangement-5; Carrier bar-5a; Drive oil cylinder-5b; Top shoe-5c; Sliding block-5d; Clamping device-6; Clamping pedestal-6a; Adjusting screw-6b; Hydraulic pin-7; Operating platform-8; Structural steel frame-8a; Turbogrid plates-8b; Through hole-8c; Anti-tilting apparatus-9; Snubber-10; Move and walk on stage-11; Marine riser-12; BOP framework-13.
The specific embodiment
Disclosed all features in this manual, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this manual (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
Extremely shown in Figure 17 such as Fig. 1, deep-sea of the present invention floating type well drilling BOP storage and transportation apparatus comprises matrix 1, matrix 1 is welded by two side box beam 1a and a rear end box beam 1b, integral body is the extrusion of " C " font cross section or " door " font cross section, after the welding middle part of matrix 1 form can accommodating BOP framework 13 cavity, BOP is loaded in the BOP framework 13, and can hang in from the top of matrix 1 to cavity inside realization loading and storage.Two side box beam 1a and rear end box beam 1b not exclusively sealing on cross section form the structure of front opening, the passage in the time of can being reserved as marine riser 12 and shifting out matrix 1 from the side.
Be provided with on the box beam 1b of rear end to move and walk on stage 11, mobile walking on stage 11 can be used as occasional passage, operating personnel are upper after movement is walked on stage above 11, can expeditely take a round round matrix 1 row, mobile 11 bottoms of walking on stage are provided with enough spaces, are used for placing BOP pressure testing device 4 and necessary maintenance and operating space; The front opening place also is provided with to move and walks on stage 11, as occasional passage.
To shown in Figure 15, be respectively arranged with two square through holes at two side box beam 1a such as Fig. 9, two through holes run through side box beam 1a along the vertical line direction of two side box beam 1a, are used for placing the bracing or strutting arrangement 5 of BOP.Bracing or strutting arrangement 5 comprises carrier bar 5a, drives oil cylinder 5b and is located at the top shoe 5c of through hole inside and be arranged at the sliding block 5d of carrier bar 5a bottom, and carrier bar 5a is under the drive that drives oil cylinder 5b, along stretching motion opposite to each other between two side box beam 1a.Wherein, carrier bar 5a is the inner box welded construction beam that connects otic placode that is provided with; An end that drives oil cylinder 5b is fixed in the square through hole of two side box beam 1a, and the other end that drives oil cylinder 5b is connected with carrier bar 5a;
Be provided with two through holes on two side box beam 1a, logical carrier bar 5a is arranged in the through hole, and the bottom of carrier bar 5a is fixedly connected with sliding block 5d, and the inner side adjacent with top shoe 5c of through hole is provided with sliding block 5d, and top shoe 5c and sliding block 5d fit.
Clamping device 6 comprises the clamping pedestal 6a that is welded on the matrix 1 and the adjusting screw 6b that is used for compressing BOP framework 13, clamping pedestal 6a is formed by connecting by two orthogonal plate bodys, cross section is " L " type, is reserved with the operating space of transferring and taking out for BOP between clamping pedestal 6a and the BOP.
Be provided with the screwed hole that matches with adjusting screw 6b at two plate bodys of each clamping pedestal 6a, adjusting screw 6b stretches to the middle part of matrix 1 from matrix 1 outside by screwed hole, can by the length of adjusting screw 6b in matrix 1 inside, will put into BOP framework 13 compressions of matrix 1 inside or unclamp.In order to improve supporting capacity, all adopt trapezoidal thread on adjusting screw 6b and the screwed hole.
On the corresponding position of four upright of frame of BOP framework 13, respectively be provided with a clamping device 6, each clamping device can act on the both sides of a upright of frame accordingly, adjusting screw 6b on the clamping device 6 is after adjusting, can clamp by the four piece upright of frame of four clamping devices with BOP framework 13, thereby avoided the relative motion on horizontal plane between BOP and the matrix 1, avoided colliding with or damaging because BOP and hull relative motion cause.
The below of matrix 1 also is provided with guiding device 3 and anti-tilting apparatus 9.One end of anti-tilting apparatus 9 extends to the gathering sill outside of guide rail 3a, the sidepiece of guide rail is gathering sill, anti-tilting apparatus 9 can be when matrix 1 topples, be when angle is excessive between matrix 1 and the deck in ship structure, cooperate with the ramp of gathering sill, realize spacing, and the drift angle between restriction matrix bottom surface and the deck in ship structure.
Such as Fig. 5, Figure 14 and shown in Figure 17, guiding device 3 comprises the roller assembly 3c that is arranged at matrix 1 bottom, the bonding surface of roller assembly 3c and guide rail 3a is positioned at the end face of guide rail 3a, the quantity of guiding device 3 is four groups, every assembly guidance 3 includes junction plate, roller assembly 3c and side direction directive wheel 3b assembly, junction plate is arranged on the below of matrix 1 and is connected with side box beam 1a by bolt, and each side box beam 1a bottom is connected with two junction plates; Roller assembly 3c is arranged on the below of junction plate, roller assembly 3c can be arranged on hull on guide rail 3a cooperate, bearing substrate 1 is mobile on the deck of hull.Directive wheel 3b assembly is arranged in the both sides of roller assembly 3c, and guide rail 3a is clamped in the centre, plays guide effect, prevents matrix 1 sideslip.
As shown in figure 10, anti-tilting apparatus 9 is comprised of Connection Block and anti-tipping structure, is used for preventing because ship motion is tumbled matrix 1.The quantity of anti-tilting apparatus 9 is six groups, namely is respectively arranged with three groups of anti-tilting apparatus 9 at each side box beam 1a.Anti-tilting apparatus 9 comprises Connection Block and anti-tipping structure, Connection Block and anti-tipping structure all are arranged on the bottom of side box beam 1a, wherein, Connection Block is welded in the bottom of box beam, anti-tipping structure and Connection Block are bolted, Connection Block is arranged on the inboard of guide rail 3a, and anti-tipping structure extends to the outside of guide rail 3a.
As shown in Figure 5, also be provided with drive unit 2 on the matrix 1, the quantity of drive unit 2 and spacing and guide rail 3a are suitable, and be arranged on the box beam 1b of rear end, drive unit 2 comprises hydraulic motor 2a, gear 2b and tooth bar 2c, hydraulic motor 2a is fixedly connected with rear end box beam 1b, be provided with gear 2b on the output of hydraulic motor 2a, gear 2b is connected with hydraulic motor 2a output axle key, accordingly, be provided with the tooth bar 2c identical with guide rail 3a direction at hull, tooth bar 2c is connected with the hull bolt; When the roller assembly 3c on the guiding device 3 contacted cooperation with guide rail 3a, gear 2b and tooth bar 2c on the hydraulic motor 2a cooperatively interacted.
Also be provided with hydraulic pin 7 on the matrix 1, hydraulic pin 7 comprises oil cylinder and lock pin, hydraulic pin 7 and matrix 1 welding, the quantity of hydraulic pin 7 is two, is separately positioned on two side box beam 1a, is provided with pin-and-hole at hull accordingly, hydraulic pin 7 can be inserted into interior and the fixing matrix 1 of pin-and-hole on the hull, be used for the operating modes such as deep-sea floating type well drilling BOP storage and transportation apparatus towage, storage, prevent matrix 1 because moved by external force, gear 2b, tooth bar 2c are impacted and are damaged.
The end of matrix 1 also is provided with snubber 10, and snubber 10 is bolted on the box beam 1b of the rear end of matrix 1.
Such as Fig. 9, Figure 13 and shown in Figure 14, above matrix 1, be provided with operating platform 8, be used for the carrying operating personnel, assist to finish marine riser 12 and transfer pipeline operation in the process.The quantity of operating platform 8 is two, be separately positioned on the upper surface of two side box beam 1a of matrix 1, each operating platform 8 includes structural steel frame 8a and Turbogrid plates 8b, Turbogrid plates 8b is arranged on structural steel frame 8a upper surface, its shape and structural steel frame 8a are suitable, and a side and the side box beam 1a of structural steel frame 8a are hinged.On structural steel frame 8a, a side relative with its hinged side box beam 1a side is provided with semicircular through hole 8c, and when two operating platforms 8 were in level, the through hole 8c on two operating platforms 8 was combined into circle, in order to hold the upper marine riser 12 that connects of BOP; Through hole 8c aperture ratio marine riser 12 external diameters are bigger, satisfy operating personnel and stand in operating platform 8 and can carry out attended operation to the pipeline on the marine riser 12.Be fixed with operating platform 8 diagonal braces at matrix 1, when operating platform 8 turned to level, the bottom surface of operating platform 8 and platform diagonal brace fitted tightly.Be similar to the form of reinforcing rib, increase the supporting capacity of operating platform 8.The top of operating platform 8 is provided with hanger, is convenient to its lifting and upset.The side box beam 1a of the corresponding side with it in the end of each operating platform 8 is hinged, and operating platform 8 can be around the hinge through of itself and side box beam 1a, and remains on horizontal or vertical direction.
As shown in Figure 9, when operating platform 8 is in running order, operating platform 8 around the hinge through of its end and side box beam 1a to level, at this moment, the bottom of operating platform 8 is fitted in and is fixed on the matrix 1, and by platform diagonal brace jack-up, to strengthen bearing capacity and the stability of operating platform 8.
As shown in Figure 6, when operating platform 8 is in off working state, operating platform 8 around the hinge through of its end and side box beam 1a to vertical direction, operating platform 8 and BOP interference when can avoid loading this moment.
As shown in Figure 7 and Figure 8, rear end at matrix 1 also is provided with pressure testing device 4, pressure testing device 4 comprises pressure testing stake 4a, transmission arm 4b and rotation fluid cylinder 4c, pressure testing stake 4a is welded on the transmission arm 4b, be positioned at pressure testing stake 4a mounting plane on the transmission arm 4b perpendicular to the center line of BOP, an end and the matrix 1 of transmission arm 4b are hinged, rotation fluid cylinder 4c is fixed on the matrix 1, movable end and the transmission arm 4b of rotation fluid cylinder 4c are hinged, 4c drives transmission arm 4b rotation by the rotation fluid cylinder, rotates to the position coaxial with the center of BOP thereby drive pressure testing stake 4a.
Described pressure testing device 4 comprises pressure testing stake 4a, transmission arm 4b and rotation fluid cylinder 4c, an end and the matrix 1 of described transmission arm 4b are hinged, the other end of described transmission arm 4b is welded with pressure testing stake 4a, also is fixed with rotation fluid cylinder 4c on the described matrix 1, and termination and the transmission arm 4b of described rotation fluid cylinder 4c are hinged.
Present embodiment is that deep-sea floating type well drilling BOP storage and transportation apparatus is at the embodiment that stores under the operating mode.
When storing operating mode, deep-sea floating type well drilling BOP storage and transportation apparatus need steadily be parked on the guide rail 3a that is positioned on the hull, usually stores operating mode and appears in drilling well wait and the towage process.
As shown in Figure 1 to Figure 3, store in the operating mode, the duty of the critical piece on the floating type well drilling BOP storage and transportation apparatus of deep-sea is as follows: hydraulic pin 7 is inserted in the pin-and-hole default on the hull, bracing or strutting arrangement 5 is retracted in matrix 1 inside, clamping device 6 is in retracted mode, and namely the adjusting screw mandrel on the clamping device 6 and operating platform 8 are positioned at the off working state of vertical direction.
By hydraulic pin 7 being fixed in the default pin-and-hole of hull, make matrix 1 relative with hull fixing, thereby avoided matrix 1 under the inertia force effect that ship motion produces, along the slippage of guide rail 3a direction, reduced the impact force of 1 couple of tooth bar 2c of matrix, remaining part adopts above-mentioned duty, has reserved enough spaces for BOP transfers, and interferes or collides in transferring process and between the matrix 1 to prevent BOP.
Utilize the method for operating of present embodiment deep-sea floating type well drilling BOP storage and transportation apparatus loading BOP as follows:
A, slowly transfer BOP by lifting appliance, until bracing or strutting arrangement 5 is with 13 interferences of BOP framework and fit, with the weight of carrying BOP and BOP framework 13;
Usually before transferring at BOP, namely drive the bottom that fluid cylinder extend out to bracing or strutting arrangement 5 BOP; Bracing or strutting arrangement 5 also can the transferring in the process of BOP, when bracing or strutting arrangement 5 approaches and interferes soon with BOP framework 13, make bracing or strutting arrangement 5 be in the state of stretching out by driving fluid cylinder;
B, adjust clamping device 6, the end of adjusting screw 6b is pressed on the BOP framework 13;
By adjusting screw 6b BOP is anchored on the matrix 1, makes inertia force that ship motion produces and impact force action on matrix 1, thereby reduce ship motion to the impact of BOP, and reduced the suffered shearing of bracing or strutting arrangement 5.
Be provided with staircase at matrix 1, operating personnel can successfully be climbed to the top of matrix 1 from the deck of hull, transfer operation thereby be convenient to BOP.
Present embodiment is that deep-sea floating type well drilling BOP storage and transportation apparatus is at the embodiment of pressure testing operating mode.Pressure testing needs to carry out before transferring BOP, can safe work to guarantee BOP.
As shown in Figure 7 and Figure 8, before the pressure testing operating mode, the duty of the critical piece on the floating type well drilling BOP storage and transportation apparatus of deep-sea is as follows: hydraulic pin 7 is inserted in the pin-and-hole default on the hull, bracing or strutting arrangement 5 is in the state of stretching out, and with 13 picking-ups of BOP framework, clamping device 6 is in the state of stretching out BOP framework 13 is clamped, and operating platform 8 is positioned at vertical off working state.
It is as follows to utilize present embodiment deep-sea floating type well drilling BOP storage and transportation apparatus to carry out the method for operating of pressure testing:
The adjusting screw 6b of a, adjustment clamping device 6 makes the end of adjusting screw 6b break away from BOP framework 13;
B, by hanging device BOP is hung matrix 1;
Concrete steps are, by hanging device BOP are sling, BOP framework 13 and bracing or strutting arrangement 5 are broken away from after, drive fluid cylinder and make bracing or strutting arrangement 5 be in retracted mode, and the bottom of BOP framework 13 is winched to matrix 1 top;
The pressure testing pipeline of c, connection pressure testing stake 4a;
Concrete steps are, operating personnel reach on the pressure testing device 4 by staircase, connect the pressure testing pipeline of pressure testing stake 4a, and operating personnel get back on the matrix 1 by staircase after having connect; At this moment, if pressure testing device 4 blocks the installation of pressure testing pipeline, then can by adjusting the position of pressure testing device 4, its center turn-off certain angle along BOP be installed again.
D, with pressure testing stake 4a be adjusted to BOP under;
Drive rotation fluid cylinder 4c, pressure testing device 4 is rotated, until the axis of the pressure testing stake 4a on the pressure testing device 4 overlaps with the axis of BOP around BOP.
E, loading BOP; Slowly transfer BOP by lifting appliance, until bracing or strutting arrangement 5 holds up BOP framework 13, and the weight of carrying BOP; The clamping device 6 of this moment can be in the recovery state always, and is also extended, and its end is compressed BOP framework 13.
F, carry out pressure testing operation; The interface that will be positioned at the BOP bottom is connected with pressure testing stake 4a upper interface, and finishes the pressure testing operation.
G, dismounting pressure testing device 4 make the state before deep-sea floating type well drilling BOP storage and transportation apparatus is got back to pressure testing;
Concrete operations after pressure testing is complete are as follows:
(1) at first adjusts the adjusting screw 6b of clamping device 6, make the end of regulating screw mandrel break away from BOP framework 13;
(2) throw off being connected between BOP bottom interface and pressure testing stake 4a upper interface;
(3) by lifting appliance BOP is hung matrix 1;
(4) the pressure testing pipeline of disengagement pressure testing stake 4a; This moment, operating personnel reached on the pressure testing device 4 by staircase, and complete afterwards operating personnel get back on the matrix 1 by staircase;
(5) driving rotation fluid cylinder 4c makes pressure testing device 4 be in complete retracted mode;
(6) driving fluid cylinder makes bracing or strutting arrangement 5 be in retracted mode, transfer BOP to its upper support piece and bracing or strutting arrangement 5 during apart from certain altitude, driving fluid cylinder is in bracing or strutting arrangement 5 to stretch out the operating position, continue to transfer BOP, bracing or strutting arrangement 5 is held up BOP framework 13, by adjusting the adjusting screw 6b on the clamping device 6, make its end compress BOP framework 13, so far the BOP work pressure test is finished.
Embodiment 4
Present embodiment is the embodiment of deep-sea floating type well drilling BOP storage and transportation apparatus under the movement operating mode.
To shown in Figure 6, when the movement operating mode, deep-sea floating type well drilling BOP storage and transportation apparatus needs along the direction of guide rail 3a mobile between the well head of hull and moon pool such as Fig. 4, and finishes the transferring of BOP, and the playback action of deep-sea floating type well drilling BOP storage and transportation apparatus.
After the BOP pressure testing is finished, need to be with deep-sea floating type well drilling BOP storage and transportation apparatus from the moon pool movement of hull to pithead position, for transferring of BOP ready.The duty of the critical piece on the floating type well drilling BOP storage and transportation apparatus of deep-sea is as follows at this moment:
Utilize the method for present embodiment deep-sea floating type well drilling BOP storage and transportation apparatus movement BOP as follows:
Drive the gear 2b of hydraulic motor 2a and end thereof, cooperate the reaction force that is produced as power take gear 2b with tooth bar 2c, match with guide rail 3a by the roller assembly 3c that is arranged on matrix 1 bottom, matrix 1 is moved to well head.
Owing to the driving mechanism of the mode that has adopted gear 2b, tooth bar 2c to match as matrix 1, manual dexterity is high, and be difficult for occuring relative sliding, thereby reduced the phenomenon that slippage occurs because of ship motion matrix 1, improve the reliability of equipment, and in conjunction with the roller assembly 3c that is arranged between matrix 1 and the guide rail 3a, utilized rolling friction to substitute sliding friction of the prior art, reduce frictional resistance, reduced the requirement of 1 pair of power output of matrix.
For the further reliability of raising equipment, also be provided with anti-tilting apparatus 9 on the matrix 1, can guarantee that matrix 1 under any operating mode, can not tumble because of the motion of hull; Simultaneously, in the side of roller assembly 3c directive wheel 3b is installed, wanders off in the time of can preventing from moving.
After the well head center is arrived in deep-sea floating type well drilling BOP storage and transportation apparatus movement, need to connect the devices such as LMRP and marine riser 12, and finish transferring of BOP.
It is as follows to utilize present embodiment deep-sea floating type well drilling BOP storage and transportation apparatus to transfer the method for BOP:
A, connection LMRP and first marine riser 12;
Adjusting screw 6b on b, the adjustment clamping device 6 makes the end of adjusting screw 6b break away from BOP;
C, by lifting appliance BOP is lifted from bracing or strutting arrangement 5;
D, driving fluid cylinder are retracted bracing or strutting arrangement 5;
E, transfer BOP;
F, operating platform 8 is turned to the operating position;
G, finish the connection of all the other marine risers 12;
H, operating platform 8 is turned to off-position, and dismantles and mobilely walk on stage 11, form the passage that passes through for marine riser 12 under water;
I, matrix 1 is moved apart well head.
When connecting all the other marine risers 12, operating platform 8 is turned to the operating position, is used for the relevant control pipeline on the operation marine riser 12.Connect complete after, operating platform 8 is turned to off-position, dismantle simultaneously to move and walk on stage 11, thereby between well head and BOP storage location, form the passage of ganging up for marine riser 12 under water, avoid interfering moving apart in the process with marine riser 12 under water of deep-sea floating type well drilling BOP storage and transportation apparatus.
Utilize the method for present embodiment deep-sea floating type well drilling BOP storage and transportation apparatus playback as follows:
Drive the gear 2b of hydraulic motor 2a and end thereof, cooperate the reaction force that is produced as power take gear 2b with tooth bar 2c, match with guide rail 3a by the roller assembly 3c that is arranged on matrix 1 bottom, make deep-sea floating type well drilling BOP storage and transportation apparatus move to the BOP storage location from well head.And hydraulic pin 7 is fixed in the default pin-and-hole of hull.
Owing to the driving mechanism of the mode that has adopted gear 2b, tooth bar 2c to match as matrix 1, manual dexterity is high, and be difficult for occuring relative sliding, thereby reduced the phenomenon that slippage occurs because of ship motion matrix 1, improve the reliability of equipment, and in conjunction with the roller assembly 3c that is arranged between matrix 1 and the guide rail 3a, utilized rolling friction to substitute sliding friction of the prior art, reduce frictional resistance, reduced the requirement of 1 pair of power output of matrix.
For the further reliability of raising equipment, also be provided with anti-tilting apparatus 9 on the matrix 1, can guarantee that matrix 1 under any operating mode, can not tumble because of the motion of hull; Simultaneously, in the side of roller assembly 3c directive wheel 3b is installed, wanders off in the time of can preventing from moving.
In order to prevent the rigid collision between matrix 1 and the hull, be provided with buffer at the front end of matrix 1.
After drilling well is finished, need to dismantle BOP from the seabed, and be stored on the floating type well drilling BOP storage and transportation apparatus of deep-sea, its process and movement and to transfer the BOP program opposite, this just repeats no more again.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (10)
1. deep-sea floating type well drilling BOP storage and transportation apparatus, it is characterized in that: comprise matrix, described matrix is formed by two side box beam and a rear end welding box beam, described matrix is provided with the space that holds BOP, be provided with drive unit and guiding device on the described matrix, described guiding device comprises the guide rail that is arranged on the deck in ship structure, is provided with pressure testing device on the described matrix.
2. deep-sea according to claim 1 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: also be provided with bracing or strutting arrangement on the described matrix, described bracing or strutting arrangement comprises carrier bar and drives oil cylinder, described driving hydraulic oil cylinder driving carrier bar move toward one another between two side box beam.
3. deep-sea according to claim 2 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: be provided with two through holes on described two side box beam, described through hole runs through the side box beam along the vertical line direction of two side box beam, described carrier bar is arranged in the through hole, the bottom of described carrier bar is fixedly connected with top shoe, and the inner side adjacent with top shoe of described through hole is provided with sliding block.
4. deep-sea according to claim 3 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: also be provided with clamping device on the described matrix, described clamping device comprises clamping pedestal and adjusting screw, described clamping pedestal is to be formed by connecting by two orthogonal plate bodys, the cross section of described clamping pedestal is L-type, be provided with screwed hole on two plate bodys of described clamping pedestal, described adjusting screw stretches into from the outside of plate body by screwed hole.
5. deep-sea according to claim 4 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: described guiding device also comprises the roller assembly that is arranged at the matrix bottom, and the bonding surface of described roller assembly and guide rail is positioned at the end face of guide rail.
6. deep-sea according to claim 5 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: the described drive unit of being located on the matrix comprises hydraulic motor, gear and tooth bar, described hydraulic motor is fixedly connected with matrix, be provided with gear on the output of described hydraulic motor, described tooth bar and guide rail are arranged on the hull in the same way, and the wheel and rack on the described hydraulic motor cooperatively interacts.
7. deep-sea according to claim 6 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: also be fixedly connected with hydraulic pin on the described matrix, be provided with pin-and-hole on the described hull, described hydraulic pin comprises oil cylinder and lock pin, described hydraulic oil cylinder driving lock pin is vertically mobile, and the pin-and-hole on described lock pin and the hull is suitable.
8. deep-sea according to claim 7 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: the upper surface of described two side box beam respectively is provided with an operating platform, described operating platform comprises structural steel frame and Turbogrid plates, shape and the structural steel frame of described Turbogrid plates are suitable, and a side and the side box-girder of described structural steel frame are hinged; Hinged opposite side one side of described structural steel frame and side box-girder is provided with semicircular through hole.
9. the described deep-sea of arbitrary claim floating type well drilling BOP storage and transportation apparatus in 8 according to claim 1, it is characterized in that: described pressure testing device comprises pressure testing stake, transmission arm and rotation fluid cylinder, one end and the matrix of described transmission arm are hinged, the other end of described transmission arm is welded with the pressure testing stake, also be fixed with the rotation fluid cylinder on the described matrix, termination and the transmission arm of described rotation fluid cylinder are hinged.
10. deep-sea according to claim 9 floating type well drilling BOP storage and transportation apparatus, it is characterized in that: described guiding device also comprises directive wheel, the bonding surface of described directive wheel and guide rail is positioned at the side of guide rail, also be fixedly installed anti-tilting apparatus on the described matrix, the sidepiece of described guide rail is gathering sill, described anti-tilting apparatus one end extends to the gathering sill outside of guide rail, and described anti-tilting apparatus cooperates with the ramp of gathering sill, the drift angle between restriction matrix bottom surface and the deck in ship structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210531421.8A CN102979476B (en) | 2012-12-11 | 2012-12-11 | BOP (blowout preventer) storage and transportation device for deep sea float type drilling well |
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| CN201210531421.8A CN102979476B (en) | 2012-12-11 | 2012-12-11 | BOP (blowout preventer) storage and transportation device for deep sea float type drilling well |
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| CN102979476B CN102979476B (en) | 2015-02-25 |
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| CN102963508A (en) * | 2012-12-11 | 2013-03-13 | 四川宏华石油设备有限公司 | Transfer device of deepwater drill platform BOP (blowout preventer) |
| CN105041249A (en) * | 2015-08-27 | 2015-11-11 | 四川宏华石油设备有限公司 | Floating well drilling SSBOP shifting and transporting device |
| CN106703730A (en) * | 2017-03-07 | 2017-05-24 | 四川宏华石油设备有限公司 | Floating drilling BOP (blowout preventer) moving device |
| CN107000822A (en) * | 2014-10-23 | 2017-08-01 | 伊特里克公司 | Offshore drilling ship |
| CN109229295A (en) * | 2018-11-21 | 2019-01-18 | 四川宏华石油设备有限公司 | A kind of BOP board migration device |
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| CN102963508A (en) * | 2012-12-11 | 2013-03-13 | 四川宏华石油设备有限公司 | Transfer device of deepwater drill platform BOP (blowout preventer) |
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| CN107000822A (en) * | 2014-10-23 | 2017-08-01 | 伊特里克公司 | Offshore drilling ship |
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| CN105041249A (en) * | 2015-08-27 | 2015-11-11 | 四川宏华石油设备有限公司 | Floating well drilling SSBOP shifting and transporting device |
| CN106703730A (en) * | 2017-03-07 | 2017-05-24 | 四川宏华石油设备有限公司 | Floating drilling BOP (blowout preventer) moving device |
| CN109229295A (en) * | 2018-11-21 | 2019-01-18 | 四川宏华石油设备有限公司 | A kind of BOP board migration device |
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| CN102979476B (en) | 2015-02-25 |
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