阅读说明：本技术 适应钻井船的浮式钻井水下设备布置系统及作业方法 (Floating type drilling underwater equipment arrangement system suitable for drilling ship and operation method ) 是由 李明 吕岩 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种适应钻井船的浮式钻井水下设备布置系统及作业方法,其中布置系统包括LMRP、BOP、采油树、BOP移运小车、采油树移运小车、BOP葫芦吊和采油树葫芦吊,LMRP储存在主甲板上,BOP储存在月池甲板上,BOP移运小车包括BOP移运小车车体、液压马达顶升装置和升降锁紧装置,所述液压马达顶升装置和所述升降锁紧装置分别与所述BOP移运小车车体固定连接。本发明可实现BOP组在BOP移运小车内的升降和锁紧,能充分利用月池区域上部受限空间；采用小型的BOP葫芦吊和采油树葫芦吊代替门型吊车,节约占用空间,降低设备成本；将LMRP和BOP分别储存在不同的甲板上,减少对整体空间的占用要求。(The invention discloses a floating type drilling underwater equipment arrangement system suitable for a drilling ship and an operation method, wherein the arrangement system comprises an LMRP, a BOP, a Christmas tree, a BOP transferring trolley, a Christmas tree transferring trolley, a BOP hoist crane and a Christmas tree hoist crane, the LMRP is stored on a main deck, the BOP is stored on a moon pool deck, the BOP transferring trolley comprises a BOP transferring trolley body, a hydraulic motor jacking device and a lifting locking device, and the hydraulic motor jacking device and the lifting locking device are respectively and fixedly connected with the BOP transferring trolley body. The invention can realize the lifting and locking of the BOP group in the BOP transfer trolley and can fully utilize the limited space at the upper part of the moon pool area; the small BOP hoist crane and the Christmas tree hoist crane are adopted to replace a portal crane, so that the occupied space is saved, and the equipment cost is reduced; the LMRP and the BOP are respectively stored on different decks, so that the requirement for the occupation of the whole space is reduced.)

1. The floating type drilling underwater equipment arrangement system is characterized by comprising an LMRP (local mean Square), a BOP (blowout preventer), a Christmas tree, a BOP (blowout preventer) moving trolley, a Christmas tree moving trolley, a BOP hoist crane and a Christmas tree hoist crane, wherein the LMRP is stored on a main deck, the BOP is stored on a moon pool deck, the BOP moving trolley comprises a BOP moving trolley body, a hydraulic motor jacking device and a lifting locking device, the hydraulic motor jacking device and the lifting locking device are respectively and fixedly connected with the BOP moving trolley body, the hydraulic motor jacking device is used for lifting a BOP group, and the lifting locking device is used for locking the BOP group.

2. The drilling vessel compliant floating drilling subsea equipment deployment system of claim 1, wherein said christmas tree transfer cart comprises a first christmas tree transfer cart capable of being transferred in a first direction of the moon pool and a second christmas tree transfer cart capable of being transferred in a second direction of the moon pool.

3. The drilling vessel compliant floating drilling subsea equipment deployment system of claim 2, wherein said first christmas tree transfer cart is mounted on a moonpool deck and said second christmas tree transfer cart is mounted on a main deck.

4. The vessel compliant floating drilling subsea equipment deployment system of claim 2, wherein said first christmas tree transfer cart comprises a first cart, and a second local operator station mounted on said first cart, a second hydraulic motor drive, a second roller skid, a pipeline strapping table, a bushing, and a second removable decking, said second roller skid being mounted on a lower portion of said first cart, said second roller skid being adapted to mate with an on-deck rail, a drive gear of said second hydraulic motor drive being engageable with an on-deck rack to provide power for said first cart to travel.

5. The floating drilling subsea equipment deployment system of claim 2, wherein the second christmas tree transfer trolley comprises a second trolley body, and a third roller sliding device, a pulley, a second christmas tree transfer trolley guide rail, a steel wire rope and a double-drum drive winch which are mounted on the second trolley body, wherein the third roller sliding device is mounted at the lower part of the second trolley body, the third roller sliding device is adapted to the second christmas tree transfer trolley guide rail, and the double-drum drive winch is connected with the head and tail ends of the second trolley body through the steel wire rope.

6. The drillship compliant floating drilling subsea equipment deployment system of claim 1, wherein the drive gear of the hydraulic motor jacking device is engageable with a rack of the BOP.

7. The floating drilling subsea equipment deployment system of claim 6, wherein the BOP transfer trolley further comprises a first hydraulic motor drive, a guide, a first local station, a first removable berth, and a first roller skid mounted on the body of the BOP transfer trolley, the first roller skid being mounted on the lower portion of the body of the BOP transfer trolley, the first roller skid being adapted to fit a guide rail on the deck, a drive gear of the first hydraulic motor drive being capable of engaging a rack on the deck to provide power for the BOP transfer trolley to travel.

8. The floating drilling subsea equipment deployment system of any of claims 1-7 adapted for a drilling vessel, wherein the BOP hoist and the Christmas tree hoist are pneumatic hoist hoists.

9. A method of operating a vessel adapted floating drilling subsea equipment, using a vessel adapted floating drilling subsea equipment deployment system according to any of claims 1-8, comprising the steps of:

the method comprises the following steps: the BOP transferring trolley transfers the BOP to the moon pool area, the lifting locking device releases the locking of the BOP, and the hydraulic motor jacking device lowers the BOP to a preset height;

step two: the method comprises the following steps that a BOP hoist hoists an LMRP to a position right above the BOP, the BOP hoist hoists the LMRP to be lowered, and the LMRP and the BOP form a BOP group;

step three: the BOP shifting trolley lifts the BOP group to a certain height through the hydraulic motor jacking device, the lifting locking device acts to lock the BOP group, the first hydraulic motor driving device shifts the BOP shifting trolley and the BOP group back to the position right above the BOP pressure test pile on the moon pool deck, the lifting locking device is actuated again to release locking of the BOP group, the hydraulic motor jacking device is actuated to enable the BOP group to be lowered and to be butted with the BOP pressure test pile, and BOP pressure test operation is carried out;

step four: actuating the hydraulic motor lifting device to lift the BOP stack to a certain height, separating the BOP trial pressing pile, actuating the lifting locking device to lock the BOP stack, actuating the first hydraulic motor driving device to move the BOP moving trolley and the BOP to the moon pool area, unlocking the lifting locking device again, actuating the hydraulic motor jacking device to lower the BOP stack to a certain height to avoid equipment under the base of the drilling machine, locking the lifting locking device again, and moving the BOP stack to a position right below the center of the well hole;

step five: after the connection between the marine riser and the BOP stack is finished, the hydraulic motor lifting device is actuated and is matched with a drilling machine traveling and hoisting system, the BOP stack is lowered, and the height of the BOP stack is completely separated from the BOP transfer trolley;

step six: the BOP transfer trolley opens the first detachable paving table, returns to the moon pool deck area, the second detachable paving table is detached from the first Christmas tree transfer trolley and is transferred to the center of the well hole, the riser bundling operation is carried out on the pipeline bundling workbench until the BOP is completely transferred, and the first Christmas tree transfer trolley returns to the moon pool deck area;

the BOP stack recovery process flow is the reverse of the above steps.

10. A method of operating a vessel adapted floating drilling subsea equipment, using a vessel adapted floating drilling subsea equipment deployment system according to any of claims 1-8, comprising the steps of:

the method comprises the following steps: the second Christmas tree transfer trolley transfers the Christmas trees to the position of the center line of the moon pool in the length direction under the driving of the double-roller winch, and the Christmas tree hoist hoists the Christmas trees to the first Christmas tree transfer trolley;

step two: the first Christmas tree transfer trolley transfers the Christmas tree to a position right below the center of the borehole, and the Christmas tree is in butt joint with the Christmas tree lowering tool;

step three: the Christmas tree lowering tool lifts the Christmas tree away from the first Christmas tree transferring trolley, the first Christmas tree transferring trolley returns to the moon pool deck area for storing the bits, and the Christmas tree continues to be lowered;

the recovery operation flow of the Christmas tree is opposite to the steps.

Technical Field

The invention relates to the technical field of ocean floating drilling platforms, in particular to a floating drilling underwater equipment arrangement system suitable for a drilling ship and an operation method.

Background

The floating drilling underwater equipment mainly comprises a BOP (blowout preventer) group and a Christmas tree, which are key equipment essential for the marine floating drilling. The BOP stack consists of a BOP and a LMRP (Lower Marine Riser Package, bottom Riser Assembly).

On present common semi-submerged formula platform, adopt two large-scale gate type loop wheel machines to accomplish the lifting of production tree and whole BOP group respectively usually, the BOP loop wheel machine of gate type and production tree loop wheel machine not only are with high costs, and have occupied a large amount of spaces, can not be applicable to the narrow small-size drill ship in space. Furthermore, the BOP transfer trolley generally used at present does not have a lifting function, so that the space above the moon pool area is required to be high enough to meet the installation requirements of the BOP stack, and the BOP transfer trolley can not be applied to a small drilling ship with a limited height.

Disclosure of Invention

The invention aims to: aiming at the problem that the existing gantry crane and BOP (blow-off preventer) transfer trolley in the prior art cannot be suitable for a small drilling ship with narrow space and limited height, a floating drilling underwater equipment arrangement system suitable for the drilling ship and an operation method are provided.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an adaptation drilling ship's floating well underwater equipment arrangement system, includes LMRP, BOP, production tree, BOP moves the fortune dolly, production tree moves fortune dolly, BOP hoist and hangs and the production tree hoist, LMRP stores on the main deck, BOP stores on the moon pool deck, BOP moves fortune dolly including BOP moves fortune dolly automobile body, hydraulic motor jacking device and lift locking device, hydraulic motor jacking device with lift locking device respectively with BOP moves fortune dolly automobile body fixed connection, hydraulic motor jacking device is used for the lift of BOP group, lift locking device is used for locking BOP group.

According to the invention, the hydraulic motor jacking device and the lifting locking device are arranged on the BOP transfer trolley, so that the BOP stack can be lifted and locked in the BOP transfer trolley, the limited space at the upper part of the moon pool area can be fully utilized, and the height requirement on the space at the upper part of the moon pool area is reduced; furthermore, the small BOP hoist crane and the Christmas tree hoist crane are adopted to replace a portal crane, so that the occupied space is greatly saved, and the equipment cost is reduced; furthermore, the LMRP and the BOP are respectively stored on different decks, so that the arrangement is flexible, and the requirement on the occupation of the whole space is greatly reduced. The invention is particularly suitable for small drilling ships with narrow space and limited height.

As a preferred aspect of the present invention, the christmas tree transfer cart includes a first christmas tree transfer cart and a second christmas tree transfer cart, the first christmas tree transfer cart is capable of transferring along a first direction of the moonpool, and the second christmas tree transfer cart is capable of transferring along a second direction of the moonpool. The invention realizes bidirectional transfer by two trolleys with different transfer directions, the transfer trolley is matched with the Christmas tree hoist crane for use, can replace a portal crane, cannot save the occupied space of equipment, and reduces the equipment cost. It is understood that the first direction and the second direction are perpendicular to each other, and the second direction is a length direction of the moon pool when the first direction is a width direction of the moon pool, and the second direction is a width direction of the moon pool when the first direction is a length direction of the moon pool.

As a preferred scheme of the present invention, the first christmas tree transfer trolley is installed on a moonpool deck, the second christmas tree transfer trolley is installed on a main deck, and the two christmas tree transfer trolleys are respectively arranged on different decks, so that the requirement for the occupation of the whole space can be further reduced.

As a preferable scheme of the invention, the first christmas tree transfer trolley comprises a first trolley body, and a second local operation station, a second hydraulic motor driving device, a second roller sliding device, a pipeline bundling workbench, a bushing and a second detachable paving table which are installed on the first trolley body, wherein the second roller sliding device is installed at the lower part of the first trolley body, the second roller sliding device is used for being matched with a guide rail on a deck, and a driving gear of the second hydraulic motor driving device can be meshed with a rack on the deck to provide power for the first trolley body to walk.

As a preferable scheme of the invention, the second christmas tree transfer trolley comprises a second trolley body, and a third roller sliding device, a pulley, a second christmas tree transfer trolley guide rail, a steel wire rope and a double-roller driving winch which are arranged on the second trolley body, wherein the third roller sliding device is arranged at the lower part of the second trolley body, the third roller sliding device is used for being matched with the second christmas tree transfer trolley guide rail, and the double-roller driving winch is connected with the head end and the tail end of the second trolley body through the steel wire rope.

As a preferable scheme of the invention, the driving gear of the hydraulic motor jacking device can be meshed with the rack of the BOP, so that the lifting of the BOP stack is realized.

As a preferable scheme of the invention, the rack of the lifting locking device can be meshed with the rack of the BOP, so that locking is realized.

As a preferable scheme of the invention, the BOP transfer trolley further comprises a first hydraulic motor driving device, a guiding device, a first local operating station, a first detachable berth platform and a first roller sliding device, wherein the first hydraulic motor driving device, the guiding device, the first local operating station, the first detachable berth platform and the first roller sliding device are installed on the body of the BOP transfer trolley, the first roller sliding device is installed at the lower part of the body of the BOP transfer trolley, the first roller sliding device is used for being matched with a guide rail on a deck, and a driving gear of the first hydraulic motor driving device can be meshed with a rack on the deck to provide power for the body of the BOP transfer trolley to walk.

As the preferable scheme of the invention, the BOP hoist crane and the Christmas tree hoist crane are both pneumatic hoist cranes.

The invention also discloses a floating type drilling underwater equipment operation method suitable for the drilling ship, which comprises the following steps:

the method comprises the following steps: the BOP transferring trolley transfers the BOP to the moon pool area, the lifting locking device releases the locking of the BOP, and the hydraulic motor jacking device lowers the BOP to a preset height;

step two: the method comprises the following steps that a BOP hoist hoists an LMRP to a position right above the BOP, the BOP hoist hoists the LMRP to be lowered, and the LMRP and the BOP form a BOP group;

step three: the BOP shifting trolley lifts the BOP group to a certain height through the hydraulic motor jacking device, the lifting locking device acts to lock the BOP group, the first hydraulic motor driving device shifts the BOP shifting trolley and the BOP group back to the position right above the BOP pressure test pile on the moon pool deck, the lifting locking device is actuated again to release locking of the BOP group, the hydraulic motor jacking device is actuated to enable the BOP group to be lowered and to be butted with the BOP pressure test pile, and BOP pressure test operation is carried out;

step four: actuating the hydraulic motor lifting device to lift the BOP stack to a certain height, separating the BOP trial pressing pile, actuating the lifting locking device to lock the BOP stack, actuating the first hydraulic motor driving device to move the BOP moving trolley and the BOP to the moon pool area, unlocking the lifting locking device again, actuating the hydraulic motor jacking device to lower the BOP stack to a certain height to avoid equipment under the base of the drilling machine, locking the lifting locking device again, and moving the BOP stack to a position right below the center of the well hole;

step five: after the connection between the marine riser and the BOP stack is finished, the hydraulic motor lifting device is actuated and is matched with a drilling machine traveling and hoisting system, the BOP stack is lowered, and the height of the BOP stack is completely separated from the BOP transfer trolley;

step six: the BOP transfer trolley opens the first detachable paving table, returns to the moon pool deck area, the second detachable paving table is detached from the first Christmas tree transfer trolley and is transferred to the center of the well hole, the riser bundling operation is carried out on the pipeline bundling workbench until the BOP is completely transferred, and the first Christmas tree transfer trolley returns to the moon pool deck area;

the BOP stack recovery process flow is the reverse of the above steps.

The operation method of the invention can also realize the lowering and the recovery of the BOP group by flexibly using various small-sized devices, can ensure the safety and the accuracy of the operation, can replace the traditional portal crane, and has better applicability on small-sized drilling ships with narrow space and limited height.

The invention also discloses a floating type drilling underwater equipment operation method suitable for the drilling ship, which comprises the following steps:

the method comprises the following steps: the second Christmas tree transfer trolley transfers the Christmas trees to the position of the center line of the moon pool in the length direction under the driving of the double-roller winch, and the Christmas tree hoist hoists the Christmas trees to the first Christmas tree transfer trolley;

step two: the first Christmas tree transfer trolley transfers the Christmas tree to a position right below the center of the borehole, and the Christmas tree is in butt joint with the Christmas tree lowering tool;

step three: the Christmas tree lowering tool lifts the Christmas tree away from the first Christmas tree transferring trolley, the first Christmas tree transferring trolley returns to the moon pool deck area for storing the bits, and the Christmas tree continues to be lowered;

the recovery operation flow of the Christmas tree is opposite to the steps.

The operation method of the invention can also realize the lowering and the recovery of the Christmas tree by flexibly using various small-sized devices, can ensure the safety and the accuracy of the operation, can replace the traditional portal crane, and has better applicability on small-sized drilling ships with narrow space and limited height.

In conclusion, due to the adoption of the technical scheme, the floating drilling underwater equipment arrangement system has the beneficial effects that:

according to the invention, the hydraulic motor jacking device and the lifting locking device are arranged on the BOP transfer trolley, so that the BOP stack can be lifted and locked in the BOP transfer trolley, the limited space at the upper part of the moon pool area can be fully utilized, and the height requirement on the space at the upper part of the moon pool area is reduced; furthermore, the small BOP hoist crane and the Christmas tree hoist crane are adopted to replace a portal crane, so that the occupied space is greatly saved, and the equipment cost is reduced; furthermore, the LMRP and the BOP are respectively stored on different decks, so that the arrangement is flexible, and the requirement on the occupation of the whole space is greatly reduced. The invention is particularly suitable for small drilling ships with narrow space and limited height.

The floating drilling underwater equipment operation method has the beneficial effects that:

the operation method of the invention can also realize the lowering and the recovery of the BOP stack and the Christmas tree by flexibly using various small-sized devices, can ensure the safety and the accuracy of the operation, can replace the traditional portal crane, and has better applicability on small-sized drilling ships with narrow space and limited height.

Drawings

Fig. 1 is a floor plan of a floating drilling subsea equipment handling system adapted for a drill ship in accordance with the present invention.

Fig. 2 is a floor plan of a floating drilling subsea equipment handling system adapted for a drill ship in accordance with the present invention.

FIG. 3 is a schematic diagram I of a BOP stack lowering procedure according to the present invention.

FIG. 4 is a schematic diagram of a BOP stack lowering procedure of the present invention.

FIG. 5 is a third schematic diagram of a BOP stack lowering procedure according to the present invention.

FIG. 6 is a fourth schematic illustration of a BOP stack lowering procedure according to the present invention.

FIG. 7 is a schematic diagram of a BOP stack lowering procedure according to the present invention.

FIG. 8 is a sixth schematic representation of a BOP stack lowering procedure according to the present invention.

Fig. 9 is a schematic view of a lowering process of the christmas tree according to the present invention.

Fig. 10 is a schematic diagram of a lowering process of the christmas tree according to the present invention.

Fig. 11 is a third schematic view of the lowering process of the christmas tree according to the present invention.

Icon: 1-BOP hoist; 2-LMRP; 3-BOP; 4-BOP transfer trolley; 41-first hydraulic motor drive; 42-hydraulic motor jacking device; 43-BOP transfer trolley body; 44-a guide; 45-a first local operator station; 46-a first deckboard; 47-first roller glide; 48-a lifting locking device; 5-a moon pool; 6-the first Christmas tree transporting trolley; 61-a second local operator station; 62-second hydraulic motor drive; 63-a second roller glide; 64-a pipeline lashing station; 65-supplementing the core; 66-a first vehicle body; 67-a second removable paving table; 7-moving the second Christmas tree to a trolley; 71-a third roller glide; 72-a second vehicle body; 73-a pulley; 74-second christmas tree transfer cart guide rails; 75-a steel cord; 76-double drum drive winch; 8-Christmas tree; 9-producing tree hoist crane; 10-a drill base; 11-a rack; 12-a guide rail; 01-moonpool deck; 02-main deck; 03-drilling a table surface; 04-borehole centerline; 05-a flow divider; 06-a water-resisting pipe; 07-christmas tree lowering tool, 08-first direction, 09-second direction.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.