CN205743791U - The lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed - Google Patents
The lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed Download PDFInfo
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- CN205743791U CN205743791U CN201620462817.5U CN201620462817U CN205743791U CN 205743791 U CN205743791 U CN 205743791U CN 201620462817 U CN201620462817 U CN 201620462817U CN 205743791 U CN205743791 U CN 205743791U
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Abstract
This utility model is for the lead stamp instrument of the boll-weevil hanger installation of underwater vertical production tree, it is characterised in that: described lead stamp instrument entirety in column and is followed successively by linkage section, lead stamp section and the landing phase being fixedly and coaxially connected from top to bottom；Wherein, described linkage section is for threadeding with standpipe；Described lead stamp section is provided with the lead that can move radially in the circumferential, and this lead can outwards eject, and is compressed in the circumferential groove of the retaining ring grafting on well head head oil inside offering pipe hanger form impression；The lower surface of described landing phase supporting surface for support boll-weevil hanger bottom internal with well head head matches and can the supporting of hard to bear described supporting surface.Installation site for installing the well head head of boll-weevil hanger internal under water can be accurately measured by above-mentioned lead stamp instrument, so that it is guaranteed that precisely the installing of boll-weevil hanger.
Description
Technical field
This utility model belongs to the installation tool field of submerged production equipment, is specifically related to a kind of for underwater vertical oil recovery
The lead stamp instrument that the boll-weevil hanger of tree is installed.
Background technology
Oil is a kind of important energy source and high-quality industrial chemicals, is the grand strategy goods and materials involved the interests of the state and the people.Although such as
Modern new forms of energy growth momentum is powerful, but the demand of countries on petroleum resource is the strongest.Nowadays land petroleum resources is through long
Time is increased production limited after developing on a large scale, and to ocean, especially deep-sea (depth of water marine site more than 300 meters) carries out oil exploration
Exploitation has become inexorable trend.China enriches at the petroleum resources of South China Sea, shows according to explored data: wherein petroleum geology
Reserves are about 200 to 300 hundred million tons, account for the 1/3 of China's oil gas total resources, be the world four Large Marine Ecosystem petroleum resources assemble center it
One.But after the South Sea finds petroleum resources, it is limited to deep water drilling and production technology and deep water drilling critical equipment is also difficult to reach
Deep ocean work requirement, so China's overwhelming majority offshore petroleum resources exploration and development scope is also only limitted to juxtaterrestrial shallow sea at present
Marine site.
Subsea production tree is the important component part of subsea production system, is for controlling and regulating oil well production, it is ensured that
The crucial oil production equipment of oil producing operation.Boll-weevil hanger is installed on subsea production tree inside and is mainly used in hanging in lower going-into-well
Oil pipe also provides production of hydrocarbons passage, is the important critical component of subsea production system；Boll-weevil hanger is also used for sealing simultaneously
Annular space between oil pipe and sleeve pipe, the top of boll-weevil hanger is connected with the oily cap of subsea production tree.Subsea production tree
According to valve arrangement form, it is divided into horizontal and vertical 2 kinds, wherein the production runner of the boll-weevil hanger in horizontal Christmas tree and stream
Road outlet is typically 90 degree of angles, and the production runner in the boll-weevil hanger in vertical production tree is axial with boll-weevil hanger
Parallel straight channels.
At present, the crucial oil production equipment such as the subsea production tree needed for domestic deep-sea oil gas is developed relies primarily on import, abroad
The subsea production tree using deep-sea and the key technology such as boll-weevil hanger equipment construction and installation method carry out technical monopoly, limit
The development of Zhi Liao China deep-sea drilling and production technology.Based on this background, applicant considers that designing one operates safe and reliable, process
More simplify the boll-weevil hanger installation method of the underwater vertical production tree reasonable, efficiency is higher.And pacify at this boll-weevil hanger
Dress method step considers further before transferring installation boll-weevil hanger, underwater wellhead inside is used for installs oil pipe and hangs
The installation site of hanging device detects, to guarantee this installation site and boll-weevil hanger accurate match, so that it is guaranteed that oil pipe suspension
The accurate installation of device.But how to design a kind of can exactly to underwater wellhead inside for installing the installation of boll-weevil hanger
Position carries out the instrument detected, and is that those skilled in the art need consideration to solve the technical problem that.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of energy
The most exactly underwater wellhead inside is adopted for underwater vertical for what the installation site installing boll-weevil hanger detected
The lead stamp instrument that the boll-weevil hanger of oil tree is installed.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:
The lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed, described lead stamp instrument is overall in post
Shape and be followed successively by linkage section, lead stamp section and the landing phase being fixedly and coaxially connected from top to bottom；Wherein, described linkage section is for vertical
Manage threaded；Described lead stamp section is provided with the lead that can move radially in the circumferential, and this lead can outwards eject, and
It is compressed in the circumferential groove of the retaining ring grafting on well head head oil inside offering pipe hanger form impression；Under described landing phase
End face supporting surface for support boll-weevil hanger bottom internal with well head head matches and can the supporting of hard to bear described supporting surface.
Before boll-weevil hanger is installed, the installation site of underwater wellhead internal oil pipe hanger is examined
Survey is necessary, because check that out that this installation site and boll-weevil hanger are the most exactly by the data of detection
Join, and for boll-weevil hanger, offer objective data information can be installed reliably.
Above-mentioned lead stamp instrument is followed successively by linkage section, lead stamp section and the landing phase being fixedly and coaxially connected from top to bottom, so, even
The section of connecing is connected with standpipe and can deliver to well in word down with standpipe, when landing paragraph is placed on the inside of well head head and is subject to
(this state can be confirmed by detection standpipe weight reduction to time constant) is supported to the above-mentioned supporting surface within well head head；Finally
Outwards ejecting the lead in lead stamp section by hydraulic control, lead is moved radially outwards and is formed well head head oil inside offering pipe
The circumferential groove impression of the retaining ring grafting on hanger.Reclaim lead stamp instrument subsequently and the impression on lead is measured, from
And can calculate and learn whether the installation site of the boll-weevil hanger on boll-weevil hanger precisely mates with boll-weevil hanger.
As preferably, described lead stamp section includes body part and lead stamp assembly；
Described body part generally cylindrical structural, the upper surface middle part of described body part be fixedly connected with for
Standpipe is threaded and entirety linkage section in a tubular form；
Described body part has the inner chamber connected with described linkage section, and described body part connects with described linkage section
It is provided with one in passage drive piston and be fixedly installed on this passage upper end and for stopping the back-up ring of this driving piston；
In the axial sides of described body part, circumferentially uniform intervals is provided with the platform of at least two and described inner space
Rank through hole, described step through-hole axially the most consistent with the radial direction of described body part；
Described lead stamp assembly includes the piston boit of coaxial setting, limited cover, compression spring, installing plate and lead；
Described step through-hole is liquid pass hole, liquid push hole, reset hole and the appearance cap bore being gradually increased by the outer aperture of introversion；Its
In, described appearance cap bore accommodates and is fixed with described limited cover, the medial surface of described limited cover and described liquid push hole and reset hole it
Between be equipped with described piston boit；
Being provided with a circle abutment ring on described piston boit, described abutment ring is by the appearance of adjacent medial side end on described piston boit
On face, at neighbouring described reset hole, radial direction evagination along this reset hole is formed；Described compression spring is socketed on described piston boit also
It is connected between the medial surface of described abutment ring and described limited cover；
The outboard end of described piston boit is along self axial evagination and slidably runs through described limited cover and is formed with promotion post；
The end of described promotion post is fixedly connected with described installing plate, and described lead is fixedly connected on described installing plate.
Above-mentioned lead stamp Duan Yin is connecting the inner space of end and the body part of lead stamp section, and is connecting the company of end and inner chamber
Connect road and be provided with driving piston.So, inner chamber injects driving liquid and driving assembly and piston structure can be driven
(being also with the common knowledge of those skilled in the art during enforcement, to add O type in leak close in the lumen for effect lower seal
Seal strengthens sealing effectiveness).Therefore drive after liquid when inner chamber injects, connect the riser interiors that connects on end can infusion fluid also
Producing hydraulic pressure, this hydraulic pressure can directly act on to driving piston and making its slide downward, gives further through the driving liquid effect in inner chamber
The medial extremity of piston boit so that piston boit along the radially outward release of lead stamp section, thus can connect fixing for piston boit outer end
Lead be compressed in the circumferential groove of the retaining ring grafting on well head head oil inside offering pipe hanger form impression.Visible, on
Stating control process relatively simple, the overall structure of lead stamp section is relatively reasonable effectively.
Additionally, because of axially radially consistent with described body part of step through-hole, and step through-hole is all along body part
Multiple to be uniformly arranged, each step through-hole arranges a lead stamp assembly.So, lead stamp assembly is able to ensure that each lead stamp
Active force suffered by lead on assembly is more uniformly distributed.
Described step through-hole is for from inside to outside (to be interior on body part, outside at axial line being) at axial line
Liquid pass hole, liquid push hole, reset hole and the appearance cap bore that aperture is gradually increased, the aperture of such liquid pass hole is less than liquid push hole, can make
Also the medial extremity of piston boit can also be carried out the most spacing by the bottom surface of liquid push hole, it is ensured that what piston boit can be lasting is reliable
Action.
As preferably, described inner chamber is generally along the axially extended bar shaped tubulose of described body part.
So, can make inner chamber to drive liquid can the most fast and accurately the driving force driving piston be carried out
Transmission such that it is able to help lead to form impression more fast and accurately.
As preferably, on described limited cover just edge's evagination to described installing plate to be formed with a circle protruding, described convex
It is provided with, on the lateral surface risen, the bar hole that length direction is the most consistent with described limited cover, along certainly on the edge of described installing plate
Body is radially outward provided with the pin being slidably plugged in described bar hole.
So, piston boit (and installing plate and lead) can be moved by the mating reaction of above-mentioned bar hole and pin
Carry out spacing as stroke and guide, thus ensureing that lead can the most radially be compressed to well head head oil inside offering pipe and hang
The circumferential groove of the retaining ring grafting in hanging device, obtains impression the most accurately and gathers data.
As preferably, described lead is overall in round pie, and the edge of described lead is formed with one along self axial evagination
Circle is for forming the flange collar of impression.
So, impression information can obtained and recording corresponding data simultaneously, additionally it is possible to save the materials of lead；Additionally,
The side at lead upper convex ring place can also be utilized to arrange connecting hole, and use screws to easily lead is fixed connection
On a mounting board (or the lead that will be formed with impression disassembles from installing plate) so that the dismounting of lead or replacing are more just
Prompt.
As preferably, under the lower surface of described body part, convex into the connection can threadeded with conduit under fluid pressure
Head, has the fluid infusion hole of and described inner space, is provided with plug at described fluid infusion hole in the middle part of the lower end of described union joint.
Above-mentioned union joint, fluid infusion hole and the setting of plug, it is possible to add in inner chamber easily and drive liquid (to make lead stamp section
Partial function is normal) or the driving liquid (being easy to body carries out dimension inspection) of emptying inner chamber so that the structure of body part designs more
Add scientific and reasonable.
As preferably, described landing phase includes that about one two ends are the landing sleeve of opening, described landing sleeve
Upper end threaded with described lead stamp section, the lower end diameter of described landing sleeve more than self upper end diameter and formation bigger
Diameter end, is nested and fixed a landing ring at neighbouring described larger diameter end on the lateral surface of described landing sleeve；
For the lower end including described landing sleeve in the landing face within described well head head of landing on described landing sleeve
Face and the lower surface of described landing ring.
The cylinder that landing sleeve is hollow in above-mentioned landing phase structure, this makes it possible to reduce from heavy sensation of the body as far as possible
Amount such that it is able to improve overall the loading and the efficiency of transfer of lead stamp instrument.Additionally, the upper end of landing sleeve and described lead stamp section
Between be threaded, thus can make can quickly separate or assembly and connection, the most more between landing sleeve and lead stamp section
It is easy to landing sleeve and lead stamp section are individually produced, effectively reduces the production difficulty of lead stamp instrument.
The landing ring being fixed by socket on the lateral surface of landing sleeve (preferably uses screw thread even between landing ring and landing sleeve
Connect), and landing face collectively forms, so by the lower surface of land ring and landing sleeve, it becomes possible to help lead stamp instrument
The landing that overall realization is more reliable and more stable, and then help to obtain more accurate measurement data.
Additionally, be also larger diameter end because of the lower end of landing sleeve, so, also by being relatively large in diameter in its structure
The bending structure at place strengthens the structural strength of the lower end of landing sleeve.
As preferably, described landing phase also includes an extension socket, and external screw thread is passed through in the upper end of described extension socket
It is connected to the lower end of described landing sleeve；On described extension socket, the outer surface less than described landing sleeve lower end can be with well
Oral inside forms, for supporting, the contact that is slidably matched between the inwall below the supporting surface of boll-weevil hanger bottom.
So, extension socket vertically can guide after well head head inside transferred to by lead stamp instrument, thus helps
Landing sleeve more accurately lands.
As preferably, on the lateral surface of described landing sleeve, neighbouring described lead stamp section junction is provided with installing hole.
The setting of above-mentioned installing hole, can not only be when assembling as the stuck point of spanner, additionally it is possible to by landing sleeve
Air is completely exhausted out after transferring in water, it is to avoid produce certain buoyancy in landing sleeve because retaining compressed air, from
And the lowering velocity of lead stamp instrument is affected.
As preferably, described landing phase is additionally provided with landing and confirms structure；Described confirmation structure of landing is included in described
The projection being fixedly installed on the landing face of landing sleeve, described projection is prepared by lead material and is the circumference along described landing sleeve
Be uniformly arranged is multiple.
When lead stamp instrument entirety is transferred to underwater wellhead inside and lands, it is possible to occur that described lead stamp instrument is overall
For tilting, the situation do not fitted completely with the supporting surface within underwater wellhead in the landing face on lead stamp instrument, so can cause
Obtain the indentation data of mistake in lead stamp, thus precisely installing of boll-weevil hanger is impacted.Therefore it is above-mentioned being provided with
After land confirms structure, it is possible to after reclaiming lead stamp instrument, by observing, each projection is the most crushed judges landing sleeve
On landing face in the landing situation within well head head.
Accompanying drawing explanation
Fig. 1 is this utility model stereochemical structure for the lead stamp instrument of the boll-weevil hanger installation of underwater vertical production tree
Schematic diagram.
Fig. 2 is this utility model sectional view for the lead stamp instrument of the boll-weevil hanger installation of underwater vertical production tree.
Fig. 3 is enlarged drawing at D in Fig. 2.
Fig. 4 is enlarged drawing at E in Fig. 2.
Figure is labeled as:
7 lead stamp instruments, 701 linkage sections, 702 lead stamp sections, 703 landing phases, 704 body parts, 705 drive piston, 706 gears
Circle；708 piston boits, 709 limited covers, 710 compression springs, 711 installing plates, 712 leads, 713 liquid pass holes, 714 liquid push hole, 715
Reset hole, 716 hold cap bore, and 717 is protruding, 718 bar holes, 719 pins, 720 union joints, 721 plugs, 722 landing sleeves, and 723
Landing ring, 724 extension sockets, 725 installing holes, 726 projections.
Detailed description of the invention
Below in conjunction with the accompanying drawings lead stamp instrument of the present utility model is described in further detail.Wherein, originally it is embodied as
When using the exemplary term such as such as upper and lower, left and right to be all in use state with each instrument described in mode, orientation is as the criterion.
Shown in as shown in Figure 1 to Figure 4, the lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed, institute
State lead stamp instrument 7 entirety to be column and be followed successively by linkage section 701, the lead stamp section 702 being fixedly and coaxially connected from top to bottom and land
Section 703；Wherein, described linkage section 701 is for threadeding with standpipe；Described lead stamp section 702 is provided with in the circumferential can be along footpath
To the lead 712 of movement, and this lead 712 can outwards eject, and is compressed to the lock on well head head oil inside offering pipe hanger
Impression is formed in the circumferential groove of tight ring grafting；It is used for supporting oil pipe inside the lower surface of described landing phase 703 and well head head to hang
The supporting surface of hanging device bottom matches and can its supporting hard to bear.
Before boll-weevil hanger is installed, the installation site of underwater wellhead internal oil pipe hanger is examined
Survey is necessary, because check that out that this installation site and boll-weevil hanger are the most exactly by the data of detection
Join, and for boll-weevil hanger, offer objective data information can be installed reliably.
Above-mentioned lead stamp instrument 7 is followed successively by linkage section 701, lead stamp section 702 and the landing phase being fixedly and coaxially connected from top to bottom
703, so, linkage section 701 is connected with standpipe and can deliver to well in word down with standpipe, when landing phase 703 puts off
The inside of well head head and by within well head head above-mentioned supporting surface support (can by detection standpipe weight reduction to the most constant time
Confirm this state)；Outwards eject the lead 712 in lead stamp section 702 finally by hydraulic control, lead 712 radially to
Outer movement also forms the circumferential groove impression of retaining ring grafting on well head head oil inside offering pipe hanger.Reclaim lead stamp instrument subsequently
7 and the impression on lead 712 is measured such that it is able to calculate and learn the installation of boll-weevil hanger on boll-weevil hanger
Whether position precisely mates with boll-weevil hanger.
Wherein, described lead stamp section 702 includes body part 704 and lead stamp assembly；
Described body part 704 generally cylindrical structural, the upper surface middle part of described body part 704 is fixedly connected with
For threadeding with standpipe and entirety linkage section 701 in a tubular form；
Described body part 704 has the inner chamber connected with described linkage section 701, described body part 704 and described company
It is provided with one in the passage of the section of connecing 701 connection drive piston 705 and be fixedly installed on this passage upper end and for stopping this
Drive the back-up ring 706 of piston 705；
In the axial sides of described body part 704, circumferentially uniform intervals is provided with at least two and described inner space
Step through-hole, described step through-hole axially the most consistent with the radial direction of described body part 704；
Described lead stamp assembly includes the piston boit 708 of coaxial setting, limited cover 709, compression spring 710, installing plate 711
With lead 712；
Described step through-hole is liquid pass hole 713, liquid push hole 714, the reset hole 715 being gradually increased by the outer aperture of introversion and holds
Cap bore 716；Wherein, described appearance cap bore 716 accommodates and is fixed with described limited cover 709, the medial surface of described limited cover 709 and institute
State and between liquid push hole 714 and reset hole 715, be equipped with described piston boit 708；
Being provided with a circle abutment ring on described piston boit 708, described abutment ring is by adjacent medial side end on described piston boit 708
Outer surface at neighbouring described reset hole 715 radial direction evagination along this reset hole 715 formed；Described compression spring 710 is socketed
On described piston boit 708 and be connected between the medial surface of described abutment ring and described limited cover 709；
The outboard end of described piston boit 708 is along self axial evagination and slidably runs through described limited cover 709 and is formed
Promote post；The end of described promotion post is fixedly connected with described installing plate 711, and described lead 712 is fixedly connected on described installation
On plate 711.
Above-mentioned lead stamp section 702 is because connecting the inner space of end and the body part 704 of lead stamp section 702, and is connecting end
The interface channel of inner chamber is provided with driving piston 705.So, inner chamber injects driving liquid driving assembly and to drive
(come in the lumen by the common knowledge being also with those skilled in the art during enforcement for the effect lower seal of dynamic piston 705 structure
O RunddichtringO is added to strengthen sealing effectiveness) at leakage.Therefore after inner chamber injects driving liquid, connect the standpipe connected on end
Inside can infusion fluid produce hydraulic pressure, this hydraulic pressure can directly act on to driving piston 705 and making its slide downward, further through interior
Driving liquid effect in chamber is to the medial extremity of piston boit 708 so that piston boit 708 can radially outward pushing away along lead stamp section 702
Go out, thus the lead 712 that piston boit 708 outer end is fixed connection is compressed to the retaining ring on well head head oil inside offering pipe hanger
Impression is formed in the circumferential groove of grafting.Visible, above-mentioned control process is relatively simple, and the overall structure of lead stamp section 702 is more closed
Reason is effectively.
Additionally, because of axially radially consistent with described body part 704 of step through-hole, and step through-hole is along body part
It is multiple that 704 circumferences are uniformly arranged, and arranges a lead stamp assembly in each step through-hole.So, lead stamp assembly is able to ensure that respectively
Active force suffered by lead 712 on individual lead stamp assembly is more uniformly distributed.
Described step through-hole is for (to be interior at axial line on body part 704, away from axial line being from inside to outside
Liquid pass hole 713, liquid push hole 714, reset hole 715 and appearance cap bore 716, the aperture of such liquid pass hole 713 that outward) aperture is gradually increased
Less than liquid push hole 714, the bottom surface of also liquid push hole 714 can be made can also the medial extremity of piston boit 708 to be limited more accurately
Position, it is ensured that the action message that piston boit 708 can be lasting.
During enforcement, the quantity of the most described step through-hole is two.So, can make the lead stamp section 702 can be accurate
While obtaining impression, additionally it is possible to the structure making lead stamp section 702 part is the simplest, thus reduces the making of lead stamp instrument 7
Difficulty and cost.
Wherein, described inner chamber is generally along the axially extended bar shaped tubulose of described body part 704.So, may be used
Make inner chamber to drive liquid can the most fast and accurately the driving force driving piston 705 be transmitted such that it is able to side
Lead 712 is helped to form impression more fast and accurately.
Wherein, on described limited cover 709, just edge's evagination to described installing plate 711 is formed with a circle projection 717, institute
State and be provided with the bar hole 718 that length direction is the most consistent with described limited cover 709, described installation on the lateral surface of protruding 717
Radially outward it is provided with the pin 719 being slidably plugged in described bar hole 718 along self on the edge of plate 711.
So, above-mentioned bar hole 718 can be to piston boit 708(and installing plate with the mating reaction of pin 719
711 and lead 712) actuating length carry out spacing and guide, thus ensure that lead 712 can the most radially compress
The circumferential groove of the retaining ring grafting to well head head oil inside offering pipe hanger, obtains impression the most accurately and gathers data.
Wherein, described lead 712 entirety is round pie, and the edge of described lead 712 is formed along self axial evagination
One circle is for forming the flange collar of impression.
So, impression information can obtained and recording corresponding data simultaneously, additionally it is possible to save the materials of lead 712；This
Outward, additionally it is possible to utilize the side at lead 712 upper convex ring place to arrange connecting hole, and use screws to lead 712 easily
Fixing connect on installing plate 711 (or the lead 712 that will be formed with impression disassembles from installing plate 711) so that lead
Dismounting or the replacing of block 712 are more convenient.
Wherein, convex into, under the lower surface of described body part 704, the union joint can threadeded with conduit under fluid pressure
720, there is in the middle part of the lower end of described union joint 720 the fluid infusion hole of and described inner space, be provided with at described fluid infusion hole
Plug 721.
Above-mentioned union joint 720, fluid infusion hole and the setting of plug 721, it is possible to add in inner chamber easily and drive liquid (to make
Lead stamp section 702 partial function is normal) or the driving liquid (being easy to body carries out dimension inspection) of emptying inner chamber so that body part 704
Structure design more scientific and reasonable.
Wherein, described landing phase 703 includes that about one two ends are the landing sleeve 722 of opening, the described set that lands
Threadeding with described lead stamp section 702 in the upper end of cylinder 722, the lower end diameter of described landing sleeve 722 is straight more than self upper end
Footpath also forms larger diameter end, is nested and fixed one on the lateral surface of described landing sleeve 722 at neighbouring described larger diameter end
Individual landing ring 723；
Described landing sleeve 722 is included for landing in the landing face within described well head head on described landing sleeve 722
Lower surface and the lower surface of described landing ring 723.
Landing sleeve 722 in above-mentioned landing phase 703 structure is the cylinder of hollow, this makes it possible to reduce as far as possible certainly
Heavy sensation of the body amount such that it is able to improve loading and the efficiency of transfer of lead stamp instrument 7 entirety.Additionally, the upper end of landing sleeve 722 and institute
State for threaded between lead stamp section 702, thus can make can quickly tear open between landing sleeve 722 and lead stamp section 702
From or assembly and connection, be also more convenient for landing sleeve 722 and lead stamp section 702 are individually produced, effectively reduce lead stamp instrument 7
Production difficulty.
The landing ring 723(being fixed by socket on the lateral surface of landing sleeve 722 preferably landing ring 723 and landing sleeve 722 it
Between use threaded), and landing face collectively forms by the lower surface of land ring 723 and landing sleeve 722, so,
Just can help the landing that the overall realization of lead stamp instrument 7 is more reliable and more stable, and then help to obtain more accurate measurement data.
Additionally, be also larger diameter end because of the lower end of landing sleeve 722, so, also by the diameter in its structure
The bending structure of larger part strengthens the structural strength of the lower end of landing sleeve 722.
Wherein, described landing phase 703 also includes an extension socket 724, and the upper end of described extension socket 724 is by outward
It is threaded in the lower end of described landing sleeve 722；Less than described landing sleeve 722 lower end on described extension socket 724
Outer surface can and well head head is internal forms slip between inwall below the supporting surface of boll-weevil hanger bottom and join for supporting
Splice grafting touches.
So, extension socket 724 vertically can guide after well head head inside transferred to by lead stamp instrument 7, thus
Landing sleeve 722 is helped more accurately to land.
Wherein, on the lateral surface of described landing sleeve 722, neighbouring described lead stamp section 702 junction is provided with installing hole 725.
The most described installing hole 725 is be uniformly arranged in the circumference of described landing sleeve 722 multiple.
The setting of above-mentioned installing hole 725, can not only be when assembling as the stuck point of spanner, additionally it is possible to will land sleeve
Air in 722 is completely exhausted out after transferring in water, it is to avoid produce certain in landing sleeve 722 because having retained compressed air
Buoyancy, thus the lowering velocity of lead stamp instrument 7 is affected.
Wherein, described landing phase 703 is additionally provided with landing and confirms structure；Described land that to confirm that structure is included in described
The projection 726 being fixedly installed on the landing face of land sleeve 722, described projection 726 is prepared and for along the described set that lands by lead material
It is multiple that the circumference of cylinder 722 is uniformly arranged.
When lead stamp instrument 7 entirety is transferred to underwater wellhead inside and lands, it is possible to occur that described lead stamp instrument 7 is whole
Body is inclination, the situation do not fitted completely with the supporting surface within underwater wellhead in the landing face on lead stamp instrument 7, so can lead
Cause to obtain in lead stamp the indentation data of mistake, thus precisely installing of boll-weevil hanger is impacted.Therefore it is above-mentioned being provided with
Land and confirm after structure, it is possible to after reclaiming lead stamp instrument 7, judge by observing each projection 726 being the most crushed
Landing face on land sleeve 722 is in the landing situation within well head head.
Wherein, described in being positioned at the described projection 726 of described landing sleeve 722 lower end and being positioned on described landing ring 723
Projection 726 is for shifting to install.
So, the above-mentioned projection 726 shifted to install, small number of projection 726 can be used to divide in same circumference
Cloth, thus preferably reflect that the landing face on landing sleeve 722 is in the landing situation within well head head.
Wherein, the described projection 726 height in protruding 717 directions is 1-4mm.
So, after projection 726 is crushed completely, (lead stamp instrument 7 uses drilling rod to transfer, when transferring to well head head
Supporting surface on after, standpipe also can be downwardly applied to bigger pressure so that landing face can with the supporting surface within well head head more
Closely contact), contacting within the landing face on landing sleeve 722 and well head head will not be caused any shadow by its residue
Ring, it is ensured that landing face can completely attach on the supporting surface within well head head.
Below be only this utility model preferred embodiment, need to point out be, for those skilled in the art without departing from
On the premise of the technical program, it is also possible to make some deformation and improvement, the technical scheme of above-mentioned deformation and improvement should regard equally
For falling into the scope that this application claims.
Claims (10)
1. the lead stamp instrument that the boll-weevil hanger for underwater vertical production tree is installed, it is characterised in that: described lead stamp work
Tool entirety in column and is followed successively by linkage section, lead stamp section and the landing phase being fixedly and coaxially connected from top to bottom；Wherein, described connection
Section is for threadeding with standpipe；Described lead stamp section is provided with the lead that can move radially in the circumferential, and this lead can
Outwards eject, and be compressed in the circumferential groove of the retaining ring grafting on well head head oil inside offering pipe hanger form impression；Institute
State and match and can be hard to bear described for supporting the supporting surface of boll-weevil hanger bottom inside the lower surface of landing phase and well head head
Supporting surface supports.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 1 is installed, its feature
It is: described lead stamp section includes body part and lead stamp assembly；
Described body part generally cylindrical structural, the upper surface middle part of described body part be fixedly connected with for standpipe
Threaded and entirety linkage section in a tubular form；
Described body part has the inner chamber connected with described linkage section, the passage that described body part connects with described linkage section
Inside it is provided with one drive piston and be fixedly installed on this passage upper end and for stopping the back-up ring of this driving piston；
In the axial sides of described body part, circumferentially uniform intervals is provided with the step of at least two and described inner space and leads to
Hole, described step through-hole axially the most consistent with the radial direction of described body part；
Described lead stamp assembly includes the piston boit of coaxial setting, limited cover, compression spring, installing plate and lead；
Described step through-hole is liquid pass hole, liquid push hole, reset hole and the appearance cap bore being gradually increased by the outer aperture of introversion；Wherein, institute
State appearance cap bore and accommodate and be fixed with described limited cover, accommodating between medial surface and described liquid push hole and the reset hole of described limited cover
There is described piston boit；
Being provided with a circle abutment ring on described piston boit, described abutment ring is by the outer surface of adjacent medial side end on described piston boit
At neighbouring described reset hole, the radial direction evagination along this reset hole is formed；Described compression spring is socketed on described piston boit and abuts
Between the medial surface of described abutment ring and described limited cover；
The outboard end of described piston boit is along self axial evagination and slidably runs through described limited cover and is formed with promotion post；Described
The end promoting post is fixedly connected with described installing plate, and described lead is fixedly connected on described installing plate.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 2 is installed, its feature
It is: described inner chamber is generally along the axially extended bar shaped tubulose of described body part.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 2 is installed, its feature
Be: on described limited cover just edge's evagination to described installing plate to be formed with a circle protruding, on the lateral surface of described projection
It is provided with the bar hole that length direction is the most consistent with described limited cover, the edge of described installing plate radially outward sets along self
It is equipped with the pin being slidably plugged in described bar hole.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 2 is installed, its feature
It is: described lead is overall in round pie, and the edge of described lead is formed with a circle for forming pressure along self axial evagination
The flange collar of trace.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 2 is installed, its feature
It is: under the lower surface of described body part, convex into the union joint can threadeded, described union joint with conduit under fluid pressure
Lower end in the middle part of there is the fluid infusion hole of and described inner space, be provided with plug at described fluid infusion hole.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 1 is installed, its feature
It is: described landing phase includes that about one two ends are the landing sleeve of opening, and the upper end of described landing sleeve is with described
Lead stamp section is threaded, and the lower end diameter of described landing sleeve is more than the diameter of self upper end and forms larger diameter end, described
A landing ring is nested and fixed at neighbouring described larger diameter end on the lateral surface of landing sleeve；
The lower surface including described landing sleeve in the landing face described well head head within for landing on described landing sleeve with
The lower surface of described landing ring.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 7 is installed, its feature
Being: described landing phase also includes an extension socket, the upper end of described extension socket is connected to described by external screw thread
The lower end of land sleeve；On described extension socket, the outer surface less than described landing sleeve lower end can be used for inside well head head
Form, between inwall below the supporting surface of supporting boll-weevil hanger bottom, the contact that is slidably matched.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 7 is installed, its feature
It is: on the lateral surface of described landing sleeve, neighbouring described lead stamp section junction is provided with installing hole.
The lead stamp instrument that boll-weevil hanger for underwater vertical production tree the most according to claim 7 is installed, its feature
It is: be additionally provided with landing on described landing phase and confirm structure；Described land confirm structure be included in described landing sleeve
The projection being fixedly installed on face, land, described projection is prepared by lead material and for being uniformly arranged many along the circumference of described landing sleeve
Individual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620462817.5U CN205743791U (en) | 2016-05-20 | 2016-05-20 | The lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620462817.5U CN205743791U (en) | 2016-05-20 | 2016-05-20 | The lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205743791U true CN205743791U (en) | 2016-11-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620462817.5U Expired - Fee Related CN205743791U (en) | 2016-05-20 | 2016-05-20 | The lead stamp instrument that a kind of boll-weevil hanger for underwater vertical production tree is installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205743791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115154A (en) * | 2018-08-24 | 2019-01-01 | 重庆前卫科技集团有限公司 | A kind of underwater mounting height detection instrument of boll-weevil hanger |
| CN109958433A (en) * | 2017-12-25 | 2019-07-02 | 中国石油天然气股份有限公司 | Monitoring instrument fixing tool in pit |
-
2016
- 2016-05-20 CN CN201620462817.5U patent/CN205743791U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958433A (en) * | 2017-12-25 | 2019-07-02 | 中国石油天然气股份有限公司 | Monitoring instrument fixing tool in pit |
| CN109115154A (en) * | 2018-08-24 | 2019-01-01 | 重庆前卫科技集团有限公司 | A kind of underwater mounting height detection instrument of boll-weevil hanger |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180511 Address after: No. 69, Mount Huangshan Avenue, Yubei District, Chongqing, Chongqing Patentee after: Chongqing Qianwei Technology Group Co., Ltd. Address before: No. 69, Mount Huangshan Avenue, Yubei District, Chongqing, Chongqing Patentee before: CHONGQING QIANWEI OFFSHORE PETROLEUM ENGINEERING & EQUIPMENT CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |