CN105643207B - A kind of self-elevating drilling platform derrick building technology - Google Patents
A kind of self-elevating drilling platform derrick building technology Download PDFInfo
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- CN105643207B CN105643207B CN201610013968.7A CN201610013968A CN105643207B CN 105643207 B CN105643207 B CN 105643207B CN 201610013968 A CN201610013968 A CN 201610013968A CN 105643207 B CN105643207 B CN 105643207B
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- derrick
- lateral plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of self-elevating drilling platform derrick building technology, its step are as follows：Material prepares：Pillar steel, crossbeam, diagonal brace and the passage gate beam needed for derrick are made respectively；Lateral plate is assembled：Derrick is made up of four lateral plates all around, carries out the assembly of left and right lateral plate first；Assembly is divided into hypomere assembly and epimere is assembled；Two sections are assembled to be completed to be spliced；Lateral plate assembles：First, two hypomere lateral plates in the lateral plate of left and right are put in place in a symmetrical manner, then the corresponding part of pre-epimeron is built between the lateral plate of left and right；The stage casing lateral plate spreading in the lateral plate of left and right is built into the corresponding part of pre-epimeron again according to the method described above on hypomere lateral plate again, the like, complete building for whole derrick；Installation top flange：In order to adjust well heart offset, by top flange deflection installation.The advantage of the invention is that：It can ensure that every build that derrick is built requires, while efficiency of construction can be improved, reduce construction cost.
Description
Technical field
The present invention relates to a kind of self-elevating drilling platform, more particularly to a kind of self-elevating drilling platform derrick building technology.
Background technology
With the quickening of ocean development paces, the development prospect of marine engineering equipment industry is more and more wide.Jack-up rigs
One of the main product of platform as Hai Gong families, turn into the object that each enterprise competitively contends naturally.Derrick is as drilling platforms
Important feature, the requirement of its construction precision is quite harsh, as the size of keypoint part is controlled in 1~2mm.
Current external automaticity is very high, prepares rank in project by machinery equipment its blanking, line, drilling operating
Section has just been completed, and is usually arranged as fixing surplus.But spiral shell is caused due to assembling and welding deformation in follow-up building course
The problems such as keyhole dislocation, column unequal leg, excessive well heart deviant.Above mentioned problem is relatively common, is very difficult to avoid completely, one
Denier occur solution get up just it is cumbersome.
The content of the invention
It can ensure that every build that derrick is built requires the technical problem to be solved in the present invention is to provide a kind of, while energy
Efficiency of construction is enough improved, reduces the platform derrick building technology of construction cost.
In order to solve the above technical problems, the technical scheme is that：A kind of self-elevating drilling platform derrick building technology,
Its innovative point is：It is characterized in that：Its step is as follows：
（1）Material prepares：Pillar steel, crossbeam, diagonal brace and the passage gate beam needed for derrick are made respectively, and will be into
It is standby that product are placed in area in preparation；
（2）Lateral plate is assembled：Derrick is made up of four lateral plates all around, carries out the assembly of left and right lateral plate first；Each side
Piece is from bottom to top divided into the first segmentation, the second segmentation, the 3rd segmentation, the 4th segmentation and the 5th segmentation, and each segmentation all includes
The pillar steel of both sides, the crossbeam being connected between pillar steel and the diagonal brace being connected between crossbeam；Assembly is divided into hypomere
Assembled and upper end is assembled；During hypomere assembly, first, by the pillar steel of the first segmentation both sides and the pillar steel of the second segmentation
Spreading is carried out by flanged plate, during spreading, row constraint is entered to flanged plate flatness using external force；Secondly, between connection column
Crossbeam, diagonal brace and gate beam；Again, the 3rd section of pillar steel and the crossbeam being installed on it are spliced on the column of spreading
And diagonal brace；During epimere assembly, first, two heel posts of the 4th segmentation and the 5th segmentation are subjected to spreading using flanged plate,
The crossbeam and diagonal brace being subsequently mounted between column；Two sections are assembled to be completed to be spliced；Divide from derrick second
Section starts, the spreading successively of four root posts on the lateral plate of left and right, is adjusted in real time with reference to same datum line during each section of spreading；
（3）Lateral plate assembles：The left and right lateral plate tentatively assembled is distinguished again using the splicing node of pillar steel as boundary
For three sections of upper, middle and lower, first, the hypomere lateral plate in the lateral plate of left and right is put in place, then between the lateral plate of left and right in a symmetrical manner
Build the corresponding part of pre-epimeron；Again by the stage casing lateral plate spreading in the lateral plate of left and right on hypomere lateral plate, according to above-mentioned side
Method builds the corresponding part of pre-epimeron again, the like, complete building for whole derrick；
（4）Installation top flange：, can be by top flange deflection installation in order to adjust the well heart offset during flange of installation top.
Further, the step（2）And step（3）In, using a kind of method realized and be bonded between derrick flange；Two
Connection is realized by the upper flange plate and lower flange plate that abut against each other between pillar steel；First by upper and lower flanged plate leveling,
Fixed after two flanges are adjacent to service bolt and pasting board；Column during flange welding equipment with keeping this state, work to be welded
Service bolt and pasting board are removed after industry.
Further, the step（2）In, using a kind of control method for realizing strut length and floor height size；By four
Root post is laid flat, and is adjusted the coplanar rear entirety in four root post ends and marked each datum line, floor height line, surplus mowing line.
Further, the step（2）And step（3）In, using a kind of method for realizing bolt hole centering；Crossbeam with
The method being typically connected by screw bolts between column；Determine that selection drilling in advance or scene are bored according to bolt hole present position
Hole；General operating mode is preferable, is easy to the position of rig operation to select live drilling, pacifies after specific position selection drilling in advance
The mode of dress.
Further, the step（4）In, using a kind of method for realizing rationally control well heart offset；Actual measurement
When end face center is projected on bottom surface, measurement obtain offset of the well heart in plane XY directions, in order to adjust well heart offset,
When flange is pushed up in installation, top flange deflection installation can be ensured that top flange center controls with derrick bottom section Center Offset
Within zone of reasonableness.
The advantage of the invention is that：
（1）Derrick flange fitting rate control technology is suitably constrained by deformation of the external force to flange in welding process.
Compared with being welded under free state, flange post welding distortion amount is substantially reduced, and the general big multipotency of post welding distortion amount is confirmed after making
Control in 1~2mm, to design requirement can be met after local overproof position processing.
（2）Derrick bolt hole centering control technology is by rational sequence of construction, the two or more bolts that will be connected
Hole magnitude of misalignment control is within 1mm.Good bolt hole centering provides guarantee to the adjustment of later stage derrick overall dimensions.
（3）Derrick strut length and floor height control technology, which reduce, uses the shadow of different benchmark and accumulated error to size
Ring, all errors can be adjusted during column spreading.
（4）Derrick well heart control technology is in the state of overhead traveling crane and derrick body construction size have determined that, by 4 pieces
The adjustment of flange Board position reaches the purpose of control well heart size.
The control that the present invention is built to platform derrick is incremental and interactional；Such as to the control of flange fitting rate
Strut length and floor height can be influenceed, the centering control in hole can influence derrick overall dimensions and well heart size.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of self-elevating drilling platform derrick of the present invention.
Fig. 2 is a kind of schematic diagram of the embodiment 1 of self-elevating drilling platform derrick building technology of the present invention.
Fig. 3 is partial enlarged drawing at a kind of A of the embodiment 1 of self-elevating drilling platform derrick building technology of the present invention.
Fig. 4 is a kind of schematic diagram of the embodiment 2 of self-elevating drilling platform derrick building technology of the present invention.
Fig. 5 is a kind of schematic diagram of the embodiment 3 of self-elevating drilling platform derrick building technology of the present invention.
Fig. 6 is a kind of top view of the embodiment 4 of self-elevating drilling platform derrick building technology of the present invention.
Fig. 7 is partial enlarged drawing at a kind of B of the embodiment 4 of self-elevating drilling platform derrick building technology of the present invention.
Embodiment
As shown in figure 1, the invention discloses a kind of self-elevating drilling platform derrick building technology, its step are as follows：
（1）Material prepares：Pillar steel 4, crossbeam 3, diagonal brace 2 and the passage gate beam 5 needed for derrick are made respectively, and
It is standby that finished product is placed in area in preparation；
（2）Lateral plate is assembled：Derrick is made up of four lateral plates all around, carries out the assembly of left and right lateral plate first；Each side
Piece is from bottom to top divided into the first segmentation, the second segmentation, the 3rd segmentation, the 4th segmentation and the 5th segmentation, and each segmentation all includes
The pillar steel 4 of both sides, the crossbeam 3 being connected between pillar steel 4 and the diagonal brace 3 being connected between crossbeam 3；Assembly is divided into
Hypomere is assembled and upper end is assembled；During hypomere assembly, first, the pillar steel 4 and second of the first segmentation both sides is segmented vertical
Column type steel 4 carries out spreading by flanged plate, during spreading, enters row constraint to flanged plate flatness using external force；Secondly, column is connected
Crossbeam 3, diagonal brace 2 and gate beam 5 between shaped steel 4；Again, on the column of spreading splice the 3rd section of pillar steel 4 with
And the crossbeam 3 and diagonal brace 2 being installed on it；During epimere assembly, first, by the both sides upright post type of the 4th segmentation and the 5th segmentation
Steel 3 carries out spreading, the crossbeam 3 and diagonal brace 2 being subsequently mounted between column using flanged plate；Two sections assembly complete into
Row splicing；Since being segmented derrick second, four root posts on the lateral plate of left and right spreading successively, reference during each section of spreading
Same datum line is adjusted in real time；
（3）Lateral plate assembles：The left and right lateral plate tentatively assembled is distinguished again using the splicing node of pillar steel as boundary
For three sections of upper, middle and lower, first, the hypomere lateral plate in the lateral plate of left and right is put in place, then between the lateral plate of left and right in a symmetrical manner
Build the corresponding part of pre-epimeron；Again by the stage casing lateral plate spreading in the lateral plate of left and right on hypomere lateral plate, according to above-mentioned side
Method builds the corresponding part of pre-epimeron again, the like, complete building for whole derrick；
（4）Installation top flange：During the flange 1 of installation top, in order to adjust well heart offset, top flange 1 can be offset installation.
Embodiment 1
As shown in Figure 2 and Figure 3, the upper flange plate 33 between upper pillar stand shaped steel 23 and lower pillar stand shaped steel 21 by abutting against each other
And lower flange plate 22 realizes connection；First by upper and lower flanged plate leveling, after then two flanges are adjacent to service bolt 31 and
Pasting board 32 is fixed；Pillar steel during flange welding equipment with keeping this state, by service bolt 31 after operation to be welded
And pasting board 32 is removed.
Lower pillar stand shaped steel 21 is assembled with lower flange plate 22 first and spot welding is fixed, upper flange plate 33 is then passed through into technique
Bolt 31 is connected with lower flange plate 22, and is fixed with pasting board 32, and upper pillar stand shaped steel 23 and upper flange plate 33 finally are assembled into spot welding
It is fixed.Need to carry out in the form of being symmetrically welded between flanged plate and pillar steel.
In the present embodiment, what is commonly used at present controls the method for derrick flange fitting rate as control welding sequence, this side
Method has larger binding character and unstability.The present invention to two flanged plates in welding process by carrying out external force constraint to prevent
Or reduce welding deformation amount, to ensure fitting rate between flange.The method is relatively low to the horizontal requirement of operation, can save
Cost, raise labour efficiency.
Embodiment 2
As shown in figure 4, step（2）In, it is vertical by four using a kind of control method for realizing strut length and floor height size
Post is laid flat, and is adjusted the coplanar rear entirety in four root post ends and marked each datum line, floor height line 43, surplus mowing line 44.
1st section of 4 root post bottom flange 46 need to machine shaving, flatness≤0.25mm after processing.Derrick first paragraph is stood
Column type steel 4 is placed in the horizontal plane, adjustment column level≤1mm, column bottom 46 integral planar degrees of flange≤0.5mm (i.e. L1 ~ L4
In absolute value≤0.5mm for subtracting each other of any two value), it is preferential to ensure integral planar degree size, measurement base need to be chosen during actual measurement
Quasi- face 45.Second segment pillar steel 4 (spreading for carrying out column) is installed on the basis of first paragraph pillar steel 4, then with
On the basis of bottom flange 46, La is that length marks inspection line 41 on second segment pillar steel 4；On the basis of bottom flange 46, Lb is
Length marks crossbeam hookup wire (floor height line) 43 on second segment pillar steel 4；On the basis of bottom flange 46, Lc is length the
The length surplus mowing line 44 of pillar steel 4 is marked on two sections.The distance of intersegmental flange 42 is wherein arrived (such as by analytical control line 41
L5 ~ L8) it can substantially understand the situation of column unequal leg, and can analyze whether manufacturing process central post has displacement and the weldering of column flange
The amount of contraction connect.On second segment pillar steel 4 it is all installation and inspection lines in place after, made according to above-mentioned line.3rd section
With rear column spreading program with reference to the 2nd section of progress.
In the present embodiment, what is commonly used at present controls the method for derrick column unequal leg and floor height to be assembled for single upright column
And the control of welding quality.The shortcomings that such a method is that single fabrication error can be accumulated and amplified, final mistake by follow-up work
The growth of difference often at double, have impact on the final overall dimensions of derrick.The present invention passes through each section of peace of unifying of 4 root posts
Dress, the length of leading portion column and floor height deviation are compensated on next section of column, finally can guarantee that the entire length of column
And floor height size.
Embodiment 3
As shown in figure 5, using a kind of method for realizing bolt hole centering, typically connected between crossbeam 3 and column using bolt
The method connect；Selection drilling in advance or scene drilling are determined according to bolt hole present position；General operating mode is preferable, is easy to drill
The position of equipment availability selects live drilling, the mode installed after specific position selection drilling in advance.
When gusset plate 53 is located on the panel of pillar steel 4, welding equipment gusset plate 53 is positioned first, crossbeam 3 is consolidated by angle steel
Determine frame 54 to be welded and fixed with gusset plate 53, then matched somebody with somebody using the scene of magnet brill 52 and bore the upper bolt hole of gusset plate 53, after distribution
Angle steel fixed mount 54 and gusset plate 53 are fixed using service bolt.When gusset plate 53 is located on the web surface of pillar steel 4, section
Point plate 53 is fixed gusset plate 53 with angle steel using service bolt according to drawing line punching (gusset plate connects side reserved margin)
Frame 54 and crossbeam 3 are fixed.Above-mentioned parts fix to finish to be formed after entirety (pays attention to repairing for the surplus of gusset plate 53 with column welding equipment
Except).
In the present embodiment, what is commonly used at present controls the method for derrick bolt hole centering to use live distribution merely
Or a kind of implementation in pre-perforated rear equipped two methods, the method is relatively simple, and some of complex position can not ensure that precision will
Ask.The present invention optimizes derrick bore process, while can be adjusted in boring procedure by using the comprehensive of above two method
Whole derrick overall dimensions, it can effectively control the final size of derrick.
Embodiment 4
As shown in Figure 5, Figure 6, step（4）In, using a kind of method for realizing rationally control well heart offset, adjust top method
The position of orchid 1, ensure top flange center with the control of derrick bottom section Center Offset within zone of reasonableness.
Well heart deviant can regard end face center 62 and the offset of bottom center 61 as, by end face center when reality measures
62 project on bottom surface.Assuming that the well heart respectively offsets 10mm in plane XY directions.In order to adjust well heart offset, flange is pushed up in installation
When 1, top flange 1 can be offset installation.Implement lime light：
1st, it is limited to push up the adjustment amount of flange 1, and general control is in 10 ~ 20mm；
2nd, the top upper bolt hole of flange 1 is rule after being adjusted in place punches or utilizes day bassinet structure distribution.
In the present embodiment, commonly use at present control the method that the derrick well heart is offset for the construction later stage to structural beams or
The correction of column.Because later stage derrick has formed overall rigid structure, it is larger to adjust difficulty.If flame is employed many times
Correction, is deformed larger after structure galvanizing.The present invention can be entered by the adjustment to pushing up flange installation site to well heart offset
Row adequate compensation, reduce the correction to derrick geometry, be a kind of simple and effective control method.
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification,
Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall
Enter in scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (5)
- A kind of 1. self-elevating drilling platform derrick building technology, it is characterised in that：（1）Material prepares：Pillar steel, crossbeam, diagonal brace and the passage gate beam needed for derrick are made respectively, and finished product is put It is standby in area in preparation；（2）Lateral plate is assembled：Derrick is made up of four lateral plates all around, carries out the assembly of left and right lateral plate first；Each lateral plate by It is divided into the first segmentation, the second segmentation, the 3rd segmentation, the 4th segmentation and the 5th segmentation on down, each segmentation all includes both sides Pillar steel, the crossbeam being connected between pillar steel and the diagonal brace being connected between crossbeam；Assembly is divided into hypomere assembly And epimere is assembled；During hypomere assembly, first, the pillar steel of the first segmentation both sides and the pillar steel of the second segmentation are passed through Flanged plate carries out spreading, during spreading, enters row constraint to flanged plate flatness using external force；Secondly, connect column between crossbeam, Diagonal brace and gate beam；Again, splice on the column of spreading the 3rd section of pillar steel and the crossbeam that is installed on it and Diagonal brace；During epimere assembly, first, two heel posts of the 4th segmentation and the 5th segmentation are subjected to spreading using flanged plate, then Crossbeam and diagonal brace between column is installed；Two sections are assembled to be completed to be spliced；Opened from the segmentation of derrick second Begin, the spreading successively of four root posts on the lateral plate of left and right, be adjusted in real time with reference to same datum line during each section of spreading；（3）Lateral plate assembles：By the left and right lateral plate tentatively assembled using the splicing node of pillar steel as boundary again be respectively on In lower three sections, first, two hypomere lateral plates in the lateral plate of left and right are put in place, then between the lateral plate of left and right in a symmetrical manner Build the corresponding part of pre-epimeron；Again by the stage casing lateral plate spreading in the lateral plate of left and right on hypomere lateral plate, according to above-mentioned side Method builds the corresponding part of pre-epimeron again, the like, complete building for whole derrick；（4）Installation top flange：During the flange of installation top, in order to adjust well heart offset, by top flange deflection installation.
- A kind of 2. self-elevating drilling platform derrick building technology according to claim 1, it is characterised in that：The step （2）And step（3）In, using a kind of method realized and be bonded between derrick flange；By abutting against each other between two pillar steels Upper flange plate and lower flange plate realize connection；First by upper and lower flanged plate leveling, service bolt is used after two flanges are adjacent to And pasting board is fixed；Column during flange welding equipment with keeping this state, by service bolt and pasting board after operation to be welded Remove.
- A kind of 3. self-elevating drilling platform derrick building technology according to claim 1, it is characterised in that：The step （2）In, using a kind of control method for realizing strut length and floor height size；Four root posts are laid flat, and adjust four root posts It is overall after end is coplanar to mark each datum line, floor height line, surplus mowing line.
- A kind of 4. self-elevating drilling platform derrick building technology according to claim 1, it is characterised in that：The step （2）And step（3）In, using a kind of method for realizing bolt hole centering；Typically it is connected by screw bolts between crossbeam and column Method；Selection drilling in advance or scene drilling are determined according to bolt hole present position；General operating mode is preferable, is easy to drilling to set The position of standby operation selects live drilling, the mode installed after specific position selection drilling in advance.
- A kind of 5. self-elevating drilling platform derrick building technology according to claim 1, it is characterised in that：The step （4）In, using a kind of method for realizing rationally control well heart offset；End face center is projected on bottom surface during actual measurement, Measurement obtains offset of the well heart in plane XY directions, in order to adjust well heart offset, when flange is pushed up in installation, can will push up flange Skew installation, ensure top flange center with the control of derrick bottom section Center Offset within zone of reasonableness.
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| CN201610013968.7A CN105643207B (en) | 2016-01-11 | 2016-01-11 | A kind of self-elevating drilling platform derrick building technology |
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| CN201610013968.7A CN105643207B (en) | 2016-01-11 | 2016-01-11 | A kind of self-elevating drilling platform derrick building technology |
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| CN105643207B true CN105643207B (en) | 2017-11-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475741B (en) * | 2016-10-20 | 2018-11-09 | 南通振华重型装备制造有限公司 | A kind of self-elevating drilling platform cantilever beam pushing-pulling-rack building technology |
| CN112324356B (en) * | 2020-11-30 | 2023-03-10 | 中油国家油气钻井装备工程技术研究中心有限公司 | Method for aligning well head center of horizontal diagonal dimension difference well head of K-shaped well frame of petroleum drilling machine |
| CN113351686B (en) * | 2021-06-21 | 2022-12-27 | 中国船舶重工集团柴油机有限公司 | Method for correcting low-pressure outer cylinder combined front guide plate of gas turbine |
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| CN104929097A (en) * | 2014-09-28 | 2015-09-23 | 南通振华重型装备制造有限公司 | 300-foot self-elevating drilling platform spud leg and shoe segmented carrying method |
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| CN2075692U (en) * | 1990-06-12 | 1991-04-24 | 新疆石油管理局钻井工艺研究所 | Inverted u type telescopic derrick |
| US5450695A (en) * | 1993-11-12 | 1995-09-19 | Dreco, Inc. | Telescoping derrick |
| CN2644655Y (en) * | 2003-06-06 | 2004-09-29 | 宝鸡石油机械有限责任公司 | K-type jack-up headframe |
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| CN104929097A (en) * | 2014-09-28 | 2015-09-23 | 南通振华重型装备制造有限公司 | 300-foot self-elevating drilling platform spud leg and shoe segmented carrying method |
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| Publication number | Publication date |
|---|---|
| CN105643207A (en) | 2016-06-08 |
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