CN108343392A - Auxiliary installation increases the device and application process of pipe - Google Patents
Auxiliary installation increases the device and application process of pipe Download PDFInfo
- Publication number
- CN108343392A CN108343392A CN201810262242.6A CN201810262242A CN108343392A CN 108343392 A CN108343392 A CN 108343392A CN 201810262242 A CN201810262242 A CN 201810262242A CN 108343392 A CN108343392 A CN 108343392A
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- Prior art keywords
- pipe
- guide
- ontology
- installation
- limit wall
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- 238000009434 installation Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 241000269793 Cryothenia peninsulae Species 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 4
- 235000014121 butter Nutrition 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
- E21B33/043—Casing heads; Suspending casings or tubings in well heads specially adapted for underwater well heads
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses devices and application process that a kind of auxiliary installation increases pipe, including left ontology, right ontology, left ontology, the both ends of right ontology are bolted by connection is combined into circular ring shape, left ontology includes left bottom plate, it is arranged in left bottom plate outer upper and the left guide and limit wall vertical with left bottom plate, the locating rod being arranged on left bottom plate, there is preset distance between locating rod and left guide and limit wall, right ontology includes right bottom plate, it is arranged in right plate outer side top and the right guide and limit wall vertical with right bottom plate, guide-localization bar in right substrate is set, there is preset distance between guide-localization bar and right guide and limit wall, guide-localization bar is more than the height of locating rod, when left ontology, when right ontology is combined into circular ring shape, the medial surface of left guide and limit wall and right guide and limit wall is on same cylindrical surface.The present invention has many advantages, such as that simple in structure, execute-in-place is simple and convenient, efficient, no operatton risk, can be widely used for increasing the flanged joints operations such as pipe.
Description
Technical field
The invention belongs to the technical fields of oil and gas well drilling engineering, and in particular to a kind of to increase pipe operation in installation
The upper and lower device for increasing pipe alignment flange bolt hole is assisted in journey.
Background technology
In marine drilling preparation work, installation well head is a task hard work.Production platform well head is apart from drilling well
Platform turntable surface height is larger, generally requires and increases pipe collocation preventer, oviduct could establish entire well head circulation canal.Cause
Offshore drilling platform shaft mouth operation chain-wales space and limited using equipment, for weighing, 1~2 ton of raising pipe can only utilize
Well head compressed air hoist or blowout preventer crane are lifted, but during the installation process, because Hoisting Position is limited, increase pipe and lower part
Well head alignment difficulty is big, is to be directed at operation with lower part well head by manpower to complete to increase pipe at present.In operation process, rise
Senior executive's flange bolt hole alignment difficulty is very big, and needing to adjust repeatedly could complete, and shaft mouth operation chain-wales space is limited, big portion
It is divided into working at height, personnel safety does not ensure during adjustment, and adjustment dynamics is limited, causes operation timeliness extremely low, Ren Yuanlao
Fatigue resistance is excessive, and operating risk is very big.
Therefore, it is necessary to invent a kind of device of auxiliary installation raising pipe, realize that increase pipe is aligned with lower part well head, rises
Senior executive's flange bolt hole alignment target reduces working at height, reduces operating risk, greatly improves operation timeliness.
Invention content
It is an object of the invention to avoid it is in the prior art insufficient and provide a kind of auxiliary installation increase pipe device and
Application process can assist raising pipe to be aligned with lower part well head, and make raising pipe flange bolt hole and wellhead flange bolt hole pair
It is accurate.
The purpose of the present invention is achieved through the following technical solutions：
On the one hand, the device that a kind of auxiliary installation increases pipe is provided, including it is whole be in semi-circular shape left ontology, right
Body, the left ontology, right ontology both ends be bolted by connection and be combined into circular ring shape, the left ontology includes semi-circular shape
Left bottom plate is arranged in left bottom plate outer upper and the left guide and limit wall vertical with left bottom plate, is vertically set on above left bottom plate
Locating rod, between the locating rod and left guide and limit wall have preset distance, the right ontology includes the right side of semi-circular shape
Bottom plate is arranged in right plate outer side top and the right guide and limit wall vertical with right bottom plate, is vertically set on right substrate
Guide-localization bar has preset distance, the height of the guide-localization bar between the guide-localization bar and right guide and limit wall
More than the height of the locating rod, when the left ontology, right ontology are combined into circular ring shape, the left guide and limit wall and right guiding
The medial surface of limited wall is on same cylindrical surface.
As a further improvement, the locating rod is that lower end is thick, the thin conical, massive column in upper end.
As a further improvement, the guide-localization bar hypomere is solid cylinder, and epimere is the circle that lower end is thick, upper end is thin
Tapered solid column.
As a further improvement, the inside of the upper end of the left guide and limit wall is fillet.
As a further improvement, the inside of the upper end of the right guide and limit wall is fillet.
As a further improvement, when the left ontology, right ontology are combined into circular ring shape, the left guide and limit wall and the right side
The diameter that the medial surface of guide and limit wall is formed by cylindrical surface is matched with raising pipe flange outer diameter or wellhead flange outer diameter, described
The internal diameter that left bottom plate is formed by annulus with right bottom plate is matched with tube body outer diameter is increased.
As a further improvement, the locating rod, guide-localization bar hypomere diameter and raising pipe flange diameter of bolt hole
Matching.
As a further improvement, the locating rod and the diametrical distance of left guide and limit wall and raising pipe flange spiral shell
The distance between keyhole and flange outer diameter match；The guide-localization bar and the diametrical distance of right guide and limit wall and raising
The distance between pipe flange bolt hole and flange outer diameter match.
Auxiliary installation provided by the invention increases the device of pipe, including entirety is in left ontology, the right ontology of semi-circular shape,
The left ontology, right ontology both ends be bolted by connection and be combined into circular ring shape, the left ontology includes a left side for semi-circular shape
Bottom plate is arranged in left bottom plate outer upper and the left guide and limit wall vertical with left bottom plate, is vertically set on above left bottom plate
Locating rod has preset distance between the locating rod and left guide and limit wall, the right ontology includes the right bottom of semi-circular shape
Plate is arranged in right plate outer side top and the right guide and limit wall vertical with right bottom plate, is vertically set on leading for right substrate
To locating rod, have preset distance, the height of the guide-localization bar big between the guide-localization bar and right guide and limit wall
In the height of the locating rod, when the left ontology, right ontology are combined into circular ring shape, the left guide and limit wall and right guiding limit
The medial surface of position wall is on same cylindrical surface.The present invention is with simple in structure, cost of investment is low, reusable, live behaviour
Make simple and convenient, efficient, the advantages that no operatton risk, can be widely used for increasing the flanged joints operations such as pipe.
On the other hand, the present invention provides a kind of application process for the device increasing pipe using auxiliary installation as described above, packet
Include following steps：
S1, preparation：
1. implementing increase pipe flange type in advance, suitable auxiliary installation is selected to increase the type of device of pipe；
2. the device that auxiliary is installed to raising pipe in advance is hung to shaft mouth operation chain-wales；
3. in advance confirming need that the pithead position for increasing pipe is installed；
4. lifting relative position with pipe is increased according to well head in advance, suitable locating rod, guide-localization bar installation position are selected
It sets；
S2, mounting device：
1. first the locating rod on left ontology is inserted into the wellhead flange bolt hole being pre-selected, it then will be left entire
Body end is flat, and left guide and limit wall is contacted with wellhead flange outer wall；
2. the guide-localization bar on right ontology is inserted into wellhead flange bolt hole, at this time at guide-localization bar and locating rod
Diametrically then right ontology held level with both hands in same, left ontology, right ontology form a complete hollow cylinder and encase entire well at this time
Mouth flange；
3. confirm that left ontology, right ontology encase wellhead flange and in position is held level with both hands, connection are bolted, it is whole at this time
The device that a auxiliary installation increases pipe is fixed on wellhead flange.
S3, installation increase pipe：
1. pre-installation is increased pipe using well head compressed air hoist to be hung to above the device of auxiliary installation raising pipe；
2. the bolt hole that pre-installation is first increased to pipe flange is inserted on guide-localization bar；
3. slowly decentralization pre-installation increases pipe, it is made to be contacted with left and right guide and limit wall；
4. continuing slowly to transfer pre-installation raising pipe, it is set slowly to glide along guide and limit wall, pre-installation increases tube method
Orchid enters auxiliary installation under the effect of guide and limit wall and increases inside the device of pipe, completes alignment shaft mouth operation；
5. in pre-installation pipe flange is increased to enter during auxiliary installation increases the device internal procedure of pipe, observation locating rod with it is pre-
Installation increases pipe flange bolt hole relative position, and slowly decentralization pre-installation makes pre-installation increase pipe flange bolt during increasing pipe
It is inserted in locating rod in hole；
6. being corresponded in bolt hole when locating rod enters pre-installation raising pipe flange, continues decentralization and increase pipe until entirely increasing
Pipe weight releases, and pre-installation increases pipe flange bolt hole and is directed at operation with the completion of wellhead flange bolt hole at this time；
7. opening the connection bolt on the device of auxiliary installation raising pipe, remove the device that auxiliary installation increases pipe；
8. installation increases bolt between pipe flange and wellhead flange, complete to increase pipe installation exercise.
The application process of the device provided by the invention that pipe is increased using auxiliary installation as described above, can assist increasing and manage
It is aligned with lower part well head, and raising pipe flange bolt hole and wellhead flange bolt hole is made to be aligned, simple and convenient with execute-in-place,
It is efficient, the advantages that no operatton risk.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the vertical view for the device that auxiliary installation increases pipe.
Fig. 2 is the sectional view along A-A of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme of the present invention
Applying example, the present invention is described in further detail, it should be noted that in the absence of conflict, embodiments herein and
Feature in embodiment can be combined with each other.
In conjunction with shown in Fig. 1 to Fig. 3, a kind of device of auxiliary installation raising pipe provided in an embodiment of the present invention, including entirety
Be in semi-circular shape left ontology 1, right ontology 2, the left ontology 1, right ontology 2 both ends by connect bolt 3 connection be combined into
Circular ring shape.
The left bottom plate 11 of the left ontology 1 including semi-circular shape, setting 11 outer upper of left bottom plate and with left bottom plate 11
Vertical left guide and limit wall 12, the locating rod 13 being vertically set on above left bottom plate 11.The internal diameter of left bottom plate 11 is managed with raising
Body diameter matches, and thickness 20cm or so plays the left guide and limit wall of support and locating rod.The internal diameter of left guide and limit wall with
The matching of pipe flange outer diameter is increased, left guide and limit wall outer diameter 10cm bigger than internal diameter or so, the left bottom plate is welded on left guiding
Limited wall lower end, left bottom plate outer diameter are matched with the outer diameter of left guide and limit wall.The locating rod 13 and left guide and limit wall 12 it
Between there is preset distance, the locating rod 13 and 12 diametrical distance of left guide and limit wall and increase pipe flange bolt hole and
The distance between flange outer diameter matches, and locating rod can assist increasing the alignment of pipe flange bolt hole.
The right bottom plate 21 of the right ontology 2 including semi-circular shape, setting 21 outer upper of right bottom plate and with right bottom plate 21
Vertical right guide and limit wall 22, the guide-localization bar 23 being vertically set on above right bottom plate 21.The internal diameter of right bottom plate and raising
Tube body outer diameter matches, and thickness 20cm or so plays the right guide and limit wall of support and guide-localization bar.Right guide and limit wall
Internal diameter with increase pipe flange outer diameter match, right guide and limit wall outer diameter 10cm bigger than internal diameter or so, the right bottom plate weld
In right guide and limit wall lower end, right bottom plate outer diameter is matched with the outer diameter of right guide and limit wall.The guide-localization bar 23 is led with the right side
To having preset distance, the guide-localization bar 23 and 22 diametrical distance of right guide and limit wall and liter between limited wall 22
The distance between senior executive's flange bolt hole and flange outer diameter match, and after increasing pipe flange bolt hole and being inserted in guide-localization bar, lead
It play the guiding role to locating rod, auxiliary is played after increasing pipe and entering left and right guide and limit wall and increases pipe flange bolt hole and is aligned and is made
With.
The connection bolt 3 is located at the guide and limit wall contact surface position on left and right ontology, when left and right ontology combines
Afterwards, it is bolted to be fixed on by connection and increase on pipe.
The height of the guide-localization bar 23 is more than the height of the locating rod 13, and the locating rod 13 is than increasing pipe flange
High 2~the 3cm of thickness.The locating rod 13 is that lower end is thick, the thin conical, massive column in upper end, under the guide-localization bar 23
Section is solid cylinder, and epimere is the conical, massive column that lower end is thick, upper end is thin.The locating rod 13,23 hypomere of guide-localization bar
Diameter is matched with pipe flange diameter of bolt hole is increased.The top of locating rod 13 and guide-localization bar 23 is taper, is conducive in this way
Locating rod 13 and guide-localization bar 23 are inserted into flange bolt hole.
When the left ontology 1, right ontology 2 are combined into circular ring shape, the left guide and limit wall 12 and right guide and limit wall 22
Medial surface be on same cylindrical surface, left guide and limit wall 12 and right guide and limit wall 22 are formed by cylindrical surface ratio and increase pipe
The high 5cm of flange.When the left ontology 1, right ontology 2 are combined into circular ring shape, the left guide and limit wall 12 and right guide and limit wall
The diameter that 22 medial surface is formed by cylindrical surface is matched with raising pipe flange outer diameter or wellhead flange outer diameter, the left bottom plate 11
The internal diameter that annulus is formed by with right bottom plate 12 is matched with tube body outer diameter is increased.
As further preferred embodiment, the inside of the upper end of the left guide and limit wall 12 is fillet, the right side
The inside of the upper end of guide and limit wall 22 is fillet.Left guide and limit wall, right guide and limit wall top are arc surface, play guiding
Effect enters left guide and limit wall, in the space that right guide and limit wall surrounds convenient for flange.
Illustrate the present invention application method that auxiliary installs the device for increasing pipe as described above, tool with reference to Fig. 1 to Fig. 3
Body includes the following steps：
S1, preparation work：
1. implementing increase pipe flange type in advance, suitable auxiliary installation is selected to increase the type of device of pipe；
2. the device that auxiliary is installed to raising pipe in advance is hung to shaft mouth operation chain-wales；
3. wiping dope on left and right ontology, locating rod, guide-localization bar in advance；
4. wiping butter on connection bolt in advance；
5. in advance confirming need that the pithead position for increasing pipe is installed；
6. lifting relative position with pipe is increased according to well head in advance, suitable location hole, guide-localization hole installation position are selected
It sets.
S2, mounting device：
1. first left ontology people locating rod is inserted into the wellhead flange bolt hole being pre-selected, it then will entire left ontology
Hold level with both hands, left guide and limit wall is contacted with wellhead flange outer wall；
2. the guide-localization bar of right ontology is inserted into wellhead flange bolt hole, guide-localization bar is in locating rod at this time
Same diametrically then to hold right ontology level with both hands, left and right ontology forms a complete hollow cylinder and encases entire uphole method at this time
It is blue；
3. confirm that left and right ontology encases wellhead flange and in position is held level with both hands, connection is bolted, it is entire at this time auxiliary
The device that installation increases pipe is helped to be fixed on wellhead flange.
S3, installation increase pipe：
1. pre-installation is increased pipe using well head compressed air hoist to be hung to above the device of auxiliary installation raising pipe；
2. the bolt hole that pre-installation is first increased to pipe flange is inserted on guide-localization bar；
3. slowly decentralization pre-installation increases pipe, it is made to be contacted with guide and limit wall；
4. continuing slowly to transfer pre-installation raising pipe, it is made slowly to glide along left guide and limit wall, right guide and limit wall,
Pre-installation increases pipe flange and enters in the device that auxiliary installation increases pipe under left guide and limit wall, the effect of right guide and limit wall
Portion completes alignment shaft mouth operation；
5. in pre-installation pipe flange is increased to enter during auxiliary installation increases the device internal procedure of pipe, observation locating rod with it is pre-
Installation increases pipe flange bolt hole relative position, and slowly decentralization pre-installation makes its corresponding flange bolt hole set during increasing pipe
Enter locating rod；
6. being corresponded in bolt hole when locating rod enters pre-installation raising pipe flange, continues decentralization and increase pipe until entirely increasing
Pipe weight releases, and pre-installation increases pipe flange bolt hole and is directed at operation with the completion of wellhead flange bolt hole at this time；
7. opening the connection bolt on the device of auxiliary installation raising pipe, remove the device that auxiliary installation increases pipe；
8. installation increases bolt between pipe flange and wellhead flange, complete to increase pipe installation exercise.
S4, maintenance：
1. the device that auxiliary is installed to raising pipe is hung to spacious place；
2. in left and right ontology and locating rod, guide-localization bar, guide and limit wall inner wall coating butter；
3. the coating butter on connection bolt.
Many details are elaborated in above description to facilitate a thorough understanding of the present invention, still, the present invention can be with
Implemented different from other modes described here using other, it is thus impossible to be interpreted as limiting the scope of the invention.
In short, although the present invention lists above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such variation and remodeling deviate from the scope of the present invention, otherwise should all wrap
It includes within the scope of the present invention.
Claims (9)
1. a kind of auxiliary installation increases the device of pipe, it is characterised in that：Including whole in the left ontology (1) of semi-circular shape, the right side
Ontology (2), the left ontology (1), right ontology (2) both ends by connect bolt (3) connect be combined into circular ring shape, the left ontology
(1) include that the left bottom plate (11) of semi-circular shape, setting are led on left bottom plate (11) outer upper and a left side vertical with left bottom plate (11)
To limited wall (12), it is vertically set on the locating rod (13) of left bottom plate (11) above, the locating rod (13) and left guide and limit
There is preset distance, the right ontology (2) to include the right bottom plate (21) of semi-circular shape, be arranged in right bottom plate (21) between wall (12)
Outer upper and the right guide and limit wall (22) vertical with right bottom plate (21), to be vertically set on the guiding of right bottom plate (21) above fixed
Position bar (23) has preset distance, the guide-localization bar between the guide-localization bar (23) and right guide and limit wall (22)
(23) height is more than the height of the locating rod (13), described when the left ontology (1), right ontology (2) are combined into circular ring shape
The medial surface of left guide and limit wall (12) and right guide and limit wall (22) is on same cylindrical surface.
2. auxiliary installation according to claim 1 increases the device of pipe, it is characterised in that：The locating rod (13) is lower end
Slightly, the thin conical, massive column in upper end.
3. auxiliary installation according to claim 1 increases the device of pipe, it is characterised in that：Under the guide-localization bar (23)
Section is solid cylinder, and epimere is the conical, massive column that lower end is thick, upper end is thin.
4. auxiliary installation according to claim 1 increases the device of pipe, it is characterised in that：The left guide and limit wall (12)
Upper end inside be fillet.
5. auxiliary installation according to claim 1 increases the device of pipe, it is characterised in that：The right guide and limit wall (22)
Upper end inside be fillet.
6. auxiliary installation according to any one of claim 1 to 5 increases the device of pipe, it is characterised in that：The positioning
Bar (13), guide-localization bar (23) hypomere diameter are matched with pipe flange diameter of bolt hole is increased.
7. auxiliary installation according to any one of claim 1 to 6 increases the device of pipe, it is characterised in that：When the left side
When ontology (1), right ontology (2) are combined into circular ring shape, the medial surface of left the guide and limit wall (12) and right guide and limit wall (22)
The diameter for being formed by cylindrical surface is matched with raising pipe flange outer diameter or wellhead flange outer diameter, the left bottom plate (11) and right bottom plate
(12) internal diameter for being formed by annulus is matched with tube body outer diameter is increased.
8. auxiliary installation according to any one of claim 1 to 7 increases the device of pipe, it is characterised in that：The positioning
Bar (13) and the diametrical distance of left guide and limit wall (12) and raising the distance between pipe flange bolt hole and flange outer diameter
Matching；The guide-localization bar (23) and the diametrical distance of right guide and limit wall (22) and raising pipe flange bolt hole and method
The distance between blue outer diameter matches.
9. a kind of auxiliary installation as described in any one of claim 1 to 8 increases the application process of the device of pipe, feature exists
In including the following steps：
S1, preparation：
1. implementing increase pipe flange type in advance, suitable auxiliary installation is selected to increase the type of device of pipe；
2. the device that auxiliary is installed to raising pipe in advance is hung to shaft mouth operation chain-wales；
3. in advance confirming need that the pithead position for increasing pipe is installed；
4. lifting relative position with pipe is increased according to well head in advance, suitable locating rod, guide-localization bar installation site are selected；
S2, mounting device：
1. first the locating rod on left ontology is inserted into the wellhead flange bolt hole being pre-selected, it then will entire left body end
Flat, left guide and limit wall is contacted with wellhead flange outer wall；
2. the guide-localization bar on right ontology is inserted into wellhead flange bolt hole, guide-localization bar is in same with locating rod at this time
One diametrically, then right ontology is held level with both hands, and left ontology, right ontology form a complete hollow cylinder and encase entire uphole method at this time
It is blue；
3. confirm that left ontology, right ontology encase wellhead flange and in position is held level with both hands, connection are bolted, it is entire at this time auxiliary
The device that installation increases pipe is helped to be fixed on wellhead flange.
S3, installation increase pipe：
1. pre-installation is increased pipe using well head compressed air hoist to be hung to above the device of auxiliary installation raising pipe；
2. the bolt hole that pre-installation is first increased to pipe flange is inserted on guide-localization bar；
3. slowly decentralization pre-installation increases pipe, it is made to be contacted with left guide and limit wall, right guide and limit wall；
4. continuing slowly to transfer pre-installation raising pipe, it is made slowly to glide along left guide and limit wall, right guide and limit wall, it is pre- to pacify
Dress increases pipe flange and enters inside the device for assisting installation to increase pipe under left guide and limit wall, the effect of right guide and limit wall, complete
At alignment shaft mouth operation；
5. increasing pipe flange in pre-installation to enter in the device internal procedure of auxiliary installation raising pipe, observation locating rod and pre-installation
Pipe flange bolt hole relative position is increased, slowly decentralization pre-installation makes pre-installation increase pipe flange bolt hole set during increasing pipe
Enter locating rod；
6. being corresponded in bolt hole when locating rod enters pre-installation raising pipe flange, continues decentralization and increase pipe until entirely increasing Guan Chong
Amount releases, and pre-installation increases pipe flange bolt hole and is directed at operation with the completion of wellhead flange bolt hole at this time；
7. opening the connection bolt on the device of auxiliary installation raising pipe, remove the device that auxiliary installation increases pipe；
8. installation increases bolt between pipe flange and wellhead flange, complete to increase pipe installation exercise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262242.6A CN108343392A (en) | 2018-03-28 | 2018-03-28 | Auxiliary installation increases the device and application process of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262242.6A CN108343392A (en) | 2018-03-28 | 2018-03-28 | Auxiliary installation increases the device and application process of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343392A true CN108343392A (en) | 2018-07-31 |
Family
ID=62957591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810262242.6A Pending CN108343392A (en) | 2018-03-28 | 2018-03-28 | Auxiliary installation increases the device and application process of pipe |
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| Country | Link |
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| CN (1) | CN108343392A (en) |
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| CN105443058A (en) * | 2015-12-07 | 2016-03-30 | 中国石油大学(华东) | Anti-blocking-and-hanging drilling well water-secluding pipe recovery guiding device |
| CN205297388U (en) * | 2015-12-31 | 2016-06-08 | 潍坊市宇宏石油机械有限公司 | Well head jacking sleeve pipe appurtenance |
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| CN107476775A (en) * | 2017-09-25 | 2017-12-15 | 中国海洋石油总公司 | One kind is aided in wellhead assembly and operating method under water |
| CN208203188U (en) * | 2018-03-28 | 2018-12-07 | 中海石油(中国)有限公司湛江分公司 | Auxiliary installation increases the device of pipe |
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