CN108071357B - A kind of offshore drilling riser pipe lifting device - Google Patents
A kind of offshore drilling riser pipe lifting device Download PDFInfo
- Publication number
- CN108071357B CN108071357B CN201711319763.2A CN201711319763A CN108071357B CN 108071357 B CN108071357 B CN 108071357B CN 201711319763 A CN201711319763 A CN 201711319763A CN 108071357 B CN108071357 B CN 108071357B
- Authority
- CN
- China
- Prior art keywords
- riser pipe
- slips
- locking
- fixation hole
- lifting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
-
- 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
- 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
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
Abstract
The invention discloses a kind of offshore drilling riser pipe lifting devices, it is characterized by comprising riser pipe hoisting frame, riser pipe promotion slips and riser pipe locking mechanisms, riser pipe hoisting frame is equipped with lifting lug, the central part of riser pipe hoisting frame is equipped with installation fixation hole, top in the installation fixation hole, which is equipped with, sits chuck rank, riser pipe promotion is located in installation fixation hole with slips and is seated on chuck rank, and riser pipe locking mechanism is located at the lower port of installation fixation hole.This covering device can be after riser pipe well cementation, it realizes that transmitting tensioner pulling force reaches reduce riser pipe receiving weight, improve the functions such as riser pipe stability, it ensures that small size riser pipe adapts to sea and is drilled well operations, avoids small size riser pipe that the risk of buckling failure occurs under complicated sea situation operation.
Description
Technical field
The invention belongs to the drilling engineering fields of the resources such as petroleum gas, and in particular to a kind of offshore drilling is led with water proof
Pipe lifting device.
Background technique
Marine riser is the important equipment for connecting offshore floating drilling platform and subsea wellhead installations, is entire drilling equipment system
Link more weak in system mainly plays a part of that internal drilling fluid and external seawater is isolated in drilling process.In sea
Foreign drilling operation course, riser system are influenced by the adverse circumstances load such as complicated wave, stream and weather, in addition marine environment
It is complicated and changeable, when well head load be greater than critical value when, riser pipe horizontal wind wave current load effect under buckling failure occurs,
It is faced with huge risk using small size riser pipe, small size riser pipe critical load is less, seriously limits sea
The optimization of drillng operation casing programme.In recent years, with the development of deep-well, Ultradeep Drilling Technology, conventional large scale water proof is led
Although pipe well head stabilization is ensured, it is unable to satisfy the growth requirement of drillng operation Continuous optimization improvement.From field application
From the point of view of, conventional large scale riser pipe suffers from the drawback that 1) same formation, the smaller ruler of big size hole bit speed, efficiency
Very little wellbore is low；2) material consumption of big size hole drillng operation is more, costly；3) seriously limit Offshore Operation well bore
Optimization and adjustment of structure etc..Carry out drillng operation for further upgrading synergy, it is necessary to invent a kind of offshore drilling with every
Water conduit lifting device.
Summary of the invention
The technical problems to be solved by the invention are to need to provide a kind of offshore drilling riser pipe lifting device,
Avoid small size riser pipe that the risk of buckling failure occurs under complicated sea situation operation.
In order to solve the above technical problems, the present invention takes following technical scheme:
A kind of offshore drilling riser pipe lifting device, it is characterised in that: including riser pipe hoisting frame, riser pipe
It is promoted and uses slips and riser pipe locking mechanism, riser pipe hoisting frame is equipped with lifting lug, the central part of riser pipe hoisting frame
Equipped with installation fixation hole, the top in the installation fixation hole, which is equipped with, sits chuck rank, and riser pipe promotion is located at installation with slips
It in fixation hole and is seated on chuck rank, and is screwed in installation fixation hole with the set that is screwed and promotes riser pipe with card
Fixation watt is held out against, riser pipe locking mechanism is located at the lower port of installation fixation hole.
Further, the riser pipe promotion is made of with slips symmetrical two halves, and riser pipe is promoted in slips
Equipped with slips piece.
Further, the riser pipe hoisting frame is the cross-shaped structure being made of symmetrical two parts, and two parts are logical
Connection is crossed to be bolted together.
Further, there are four the lifting lug is set, four lifting lugs are distributed in the four corners of the riser pipe hoisting frame.
Further, at the lifting lug be equipped with bar and safety pin, one end of bar with it is hinged at lifting lug, the other end is upward
Insertion safety pin after blocking lifting lug is dug to fix.
Further, the seat chuck rank is variable diameter step, and angle is set as 40~60 °.
Further, in the installation fixation hole, the installation fixation hole internal diameter above chuck rank is sat than riser pipe outer diameter
Big 5~8cm, the installation fixation hole internal diameter sat below chuck rank are 4cm smaller than upper inner diameter.
Further, the riser pipe locking mechanism, including the set that is locked, locking jackscrew and locking slips, locking
Fixing sleeve be fixed by screws in installation fixation hole in lower port at, it is described be locked cover in be equipped with locking step, it is described
Locking step is variable diameter step, and locking slips is located on locking step, and locking jackscrew laterally penetrates installation fixation hole and pushes lock
The inclined-plane of tight slips upper end makes to lock slips along locking step downlink, until riser pipe is locked.
Further, the set that is locked is made of symmetrical two half part.
Further, the locking slips is made of the slips piece of four pieces of quarter turns, the slips piece of four pieces of quarter turns
Locking jackscrew described in respectively corresponding four.
The invention has the following advantages that
(1) structure is simple, easy to process, and cost of investment is low, easy to operate.
(2) application prospect is good, can match with unconventional small size riser pipe, avoid small size riser pipe
The risk of buckling failure occurs under complicated sea situation operation.
(3) lifting device can effectively undertake marine riser tip loads and part marine riser weight.
(4) small size riser pipe well head stability can be effectively improved, the excellent of Offshore Operation casing programme has been liberated
The limitation changed and adjusted.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view shown in Fig. 1 along line A-A；
Fig. 3 is the structural schematic diagram of installation fixation hole shown in Fig. 1.
In figure: 1, riser pipe hoisting frame；2, slips is used in riser pipe promotion；3, lifting lug；4, fixation hole is installed；5, card is sat
Step；6, slips piece；7, bar；8, safety pin；9, be locked set；10, jackscrew is locked；11, slips is locked；12, screw；
13, step is locked；14, bolt is connected；15, be screwed set.
Specific embodiment
As shown in Figure 1, 2, a kind of offshore drilling riser pipe lifting device, including riser pipe hoisting frame 1, water proof are led
Pipe, which is promoted, uses slips 2, lifting lug 3 and riser pipe locking mechanism, and the riser pipe hoisting frame is made of symmetrical two parts
Cross-shaped structure, two parts link together by connecting bolt 14, and there are four the lifting lug 3 is set, four lifting lugs 3 are distributed in
The four corners of the riser pipe hoisting frame 1 are equipped with bar 7 and safety pin 8, one end of bar 7 and lifting lug 3 at the lifting lug 3
Place is hinged, the other end is dug upwards lifting lug 3 is blocked after insertion safety pin 8 it is fixed.The central part of riser pipe hoisting frame 1 is equipped with
Fixation hole 4 is installed, the top in the installation fixation hole 4, which is equipped with, sits chuck rank 5, and riser pipe promotion slips 2 is located at installation
It in fixation hole 4 and is seated on chuck rank 5, and is screwed in installation fixation hole 4 with the set 15 that is screwed and mentions riser pipe
It rises and holds out against fixation with slips 2, riser pipe locking mechanism is located at the lower port of installation fixation hole.
Further, the riser pipe promotion is made of with slips 2 symmetrical two halves, and riser pipe, which is promoted, uses slips 2
It is provided with slips piece 6.
The riser pipe locking mechanism, including the set 9 that is locked, locking jackscrew 10 and locking slips 11, are locked
Set 9 is fixed at the lower port in installation fixation hole 4 by screw 12, is equipped with locking step 13, institute in the set 9 that is locked
Stating locking step is variable diameter step, and locking slips 11 is located on locking step 13, and locking jackscrew 10 laterally penetrates installation and fixes
Hole 4 pushes the inclined-plane of locking 11 upper end of slips, makes to lock slips 11 along locking 13 downlink of step, until riser pipe is locked
Tightly.
Further, the set 9 that is locked is made of symmetrical two half part.
Further, the locking slips 11 is made of the slips piece of four pieces of quarter turns, the slips of four pieces of quarter turns
Piece respectively correspond four described in locking jackscrew 10.
As shown in figure 3, the seat chuck rank 5 is variable diameter step, angle is set as 40~60 °, the installation fixation hole 4
In, the installation fixation hole internal diameter for sitting 5 top of chuck rank is 5~8cm bigger than riser pipe outer diameter, and the installation for sitting 5 lower section of chuck rank is solid
It is 4cm smaller than upper inner diameter to determine hole internal diameter.
The installation of this patent:
1. the lifting device can start to install after riser pipe tripping in place；
2. two parts of riser pipe hoisting frame 1 are placed on the station of well head chain-wales, protect during the installation process
Its level is held, is aligned both sides lifting device two rows bolt hole along riser pipe；
3. connection bolt 14 is installed and is uniformly tightened with spanner；
4. 1 level of riser pipe hoisting frame connected is sling to suitable position with lifting device；
5. kept in installation process its level, lifting device in place after, confirmed that (allowable angle of inclination is not using level meter
More than 2 degree)；
6. being put into four pieces of locking slips in locking mechanism, and the locking jackscrew 10 on riser pipe hoisting frame 1 is exited；
7. be aligned 1 bottom of riser pipe hoisting frame screw hole, with screw by locking mechanism being locked set 9 bolt
It is fixed on riser pipe hoisting frame 1, makes to be locked set 9 at the lower port of installation fixation hole；
8. all locking jackscrews are screwed into, until locking slips is engaged riser pipe.
2) card is sat
1. slips piece 6 is maintained, it is packed into riser pipe and is promoted in slips 2, it is ensured that slips activity is flexibly；
The riser pipe promotion slips 2 that furan board group fills two half parts is breathed out 2. putting；
3. assembling finishes, extraction cover board is promoted by riser pipe promotion 2 free-falling of slips, the diagonal riser pipe that taps
In place with slips 2 to slips, 2 upper surface of riser pipe promotion slips is measured apart from lifting device end face distance confirmation slips water
It is flat；
4. tensioner tightens tension, observation riser pipe whether there is skidding downlink phenomenon, and confirmation, which is sat, hangs.
3) it is promoted
1. continuing to tighten tension to designing tensile requirements.Riser pipe promotion is strong according to the material of riser pipe with slips 2
It spends and it is expected that promoting pulling force, confirmation covers riser pipe promotion slip insert contact area, and is promoted and used by adjusting riser pipe
Slips length adjustment contact area, prevents riser pipe from squeezing bad, and four diagonal lifting lugs are connect with drilling rig tensioner, by
Tensioner provides riser pipe and promotes pulling force, and riser pipe is promoted.
Working principle: this patent is suitable for offshore drilling and stablizes using when unconventional small size riser pipe to meet well head
It is required that lifting device.Mainly for 13-3/8 "~16 " unconventional riser pipe, according to different riser pipe outer diameters, to determine
Lifting device ontology internal diameter, step upper inner diameter is 5~8cm bigger than riser pipe outer diameter, and lower inner diameter is smaller than upper inner diameter
4cm, seat card structure interior step are variable diameter step, and angle is set as 40~60 °, and sitting is casing between card structure and riser pipe
Slips and slip insert cooperation, reach and sit card purpose.Riser pipe promotes slips and slips piece is sat after blocking, slips piece and riser pipe
Instead bite force is generated, by seat chuck rank stress, guarantees that lifting device ontology pulling force is transferred on riser pipe, the water proof is led
Pipe clamp watt realizes enhanced feature, no sealing function after being installed.In riser pipe locking mechanism, after all locking slips lockings
It is bonded with riser pipe ontology along outer diameter, is screwed by locking jackscrew, locking slips is along locking step downlink, with riser pipe
Bite force is generated, top slips is facilitated to install, while this lifting device can be limited after locking and be subjected to displacement down.
Claims (9)
1. a kind of offshore drilling riser pipe lifting device, it is characterised in that: mentioned including riser pipe hoisting frame, riser pipe
It rises and uses slips and riser pipe locking mechanism, riser pipe hoisting frame is equipped with lifting lug, and the central part of riser pipe hoisting frame is set
There is installation fixation hole, the top in the installation fixation hole, which is equipped with, sits chuck rank, and riser pipe promotion is located at installation admittedly with slips
Determine in hole and be seated on chuck rank, and is screwed in installation fixation hole with the set that is screwed by riser pipe promotion slips
Fixation is held out against, riser pipe locking mechanism is located at the lower port of installation fixation hole；The riser pipe locking mechanism, including lock
Set, locking jackscrew and locking slips are fastened, the set that is locked is fixed by screws at the lower port in installation fixation hole, institute
State be locked cover in be equipped with locking step, the locking step be variable diameter step, locking slips be located at locking step on, lock
It presses closer silk and laterally penetrates the inclined-plane that installation fixation hole pushes locking slips upper end, make to lock slips along locking step downlink, directly
Extremely riser pipe is locked.
2. offshore drilling riser pipe lifting device as described in claim 1, it is characterised in that: the riser pipe is promoted
It is made of with slips symmetrical two halves, riser pipe promotion is provided with slips piece with slips.
3. offshore drilling as described in claim 1 riser pipe lifting device, it is characterised in that: the riser pipe is promoted
Frame is the cross-shaped structure being made of symmetrical two parts, and two parts are bolted together by connection.
4. offshore drilling as claimed in claim 3 riser pipe lifting device, it is characterised in that: the lifting lug is equipped with four
A, four lifting lugs are distributed in the four corners of the riser pipe hoisting frame.
5. offshore drilling as claimed in claim 4 riser pipe lifting device, it is characterised in that: be equipped with gear at the lifting lug
Bar and safety pin, one end of bar with it is hinged at lifting lug, the other end is dug upwards lifting lug is blocked after insertion safety pin fix.
6. offshore drilling as described in claim 1 riser pipe lifting device, it is characterised in that: the seat chuck rank is to become
Diameter step, angle are set as 40~60 °.
7. offshore drilling as described in claim 1 riser pipe lifting device, it is characterised in that: the installation fixation hole
In, the installation fixation hole internal diameter sat above chuck rank is 5~8cm bigger than riser pipe outer diameter, and the installation sat below chuck rank is fixed
Hole internal diameter is 4cm smaller than upper inner diameter.
8. offshore drilling as described in claim 1 riser pipe lifting device, it is characterised in that: the set that is locked is
It is made of symmetrical two half part.
9. offshore drilling as described in claim 1 riser pipe lifting device, it is characterised in that: the locking slips be by
The slips piece of four pieces of quarter turns is constituted, the slips piece of four pieces of quarter turns respectively correspond four described in locking jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319763.2A CN108071357B (en) | 2017-12-12 | 2017-12-12 | A kind of offshore drilling riser pipe lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319763.2A CN108071357B (en) | 2017-12-12 | 2017-12-12 | A kind of offshore drilling riser pipe lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108071357A CN108071357A (en) | 2018-05-25 |
| CN108071357B true CN108071357B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711319763.2A Active CN108071357B (en) | 2017-12-12 | 2017-12-12 | A kind of offshore drilling riser pipe lifting device |
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| CN108755645B (en) * | 2018-07-09 | 2024-02-02 | 中国石油大学(北京) | Device for reducing pile pulling resistance of jack-up drilling platform and drilling platform |
| CN109899008B (en) * | 2019-02-21 | 2020-09-18 | 海洋石油工程股份有限公司 | Offshore installation process of super-slender-ratio water-resisting casing pipe of deep-water jacket |
| CN113531295B (en) * | 2021-07-29 | 2024-03-15 | 中国电建集团河南工程有限公司 | Auxiliary device and method for construction of large-caliber pipeline elbow heat-insulating layer |
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| CN206439010U (en) * | 2016-12-07 | 2017-08-25 | 山东祺龙海洋石油钢管股份有限公司 | Hammer formula marine riser Special-purpose hanger snap ring |
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| CN2555384Y (en) * | 2002-06-28 | 2003-06-11 | 江苏如东通用机械有限公司 | Bush type elevator |
| CN2615324Y (en) * | 2003-04-09 | 2004-05-12 | 江苏油田扬州开发区科茂技术开发公司 | Pneumatic slips for petroleum tubular column |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108071357A (en) | 2018-05-25 |
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