CN207905762U - Cluster well surface layer batch brill ring flat-plate - Google Patents
Cluster well surface layer batch brill ring flat-plate Download PDFInfo
- Publication number
- CN207905762U CN207905762U CN201820182332.XU CN201820182332U CN207905762U CN 207905762 U CN207905762 U CN 207905762U CN 201820182332 U CN201820182332 U CN 201820182332U CN 207905762 U CN207905762 U CN 207905762U
- Authority
- CN
- China
- Prior art keywords
- protrusion
- cylinder
- screw rod
- semi
- ring flat
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses cluster well surface layer batch brill ring flat-plates, including two semi-circular rings, the both ends of the semi-circular ring are respectively provided with the protrusion radially stretched out, it is threaded through-hole on the protrusion, protrusion in two semi-circular rings includes two groups of face respectively, it is bolted between one group of protrusion facing each other, the cylinder of open at both ends is set between another group of protrusion facing each other, distinguish two protrusions of face in two open ends of cylinder, the inner barrel stationary barrier, partition board both sides are both provided with screw rod, two screw rods extend through the tapped through hole on protrusion, the screw rod matches with the tapped through hole；It further include the position-limit mechanism being axially moveable for limiting the screw rod.Adjustment surface pipe centralizer takes time and effort when the utility model is to solve the problems, such as that offshore platform one opens operation in the prior art, realizes the purpose directly adjusted to the centralizer for becoming packaged tube by ring flat-plate.
Description
Technical field
The utility model is related to offshore oil and gas drilling applications, and in particular to cluster well surface layer batch brill ring flat-plate.
Background technology
Well cementation is directed to tripping in casing in well, and the construction work of cement is injected to the annular space between wellbore and casing
Industry.It is an indispensable important link during being drilled well operations, it includes setting of casing and cementing.Cementing technology is more
The comprehensive application technology of subject has the characteristics that systematicness, disposable and time are short.The main purpose of well cementation is protection and support
Casing in oil/gas well, the stratum such as packing oil, gas and water.For offshore drilling engineering, since engineering department leads in erection
Riser pipe will be hammered when pipe support and enters mud, therefore unlike Terrestrial casing, surface pipe in offshore drilling engineering
It is tripping in riser pipe.Meanwhile domestic each offshore oilfield advocates " excellent fast " work pattern energetically at present, for surface layer
For one opens operation, after work pattern is tripping in surface pipe, ring flat-plate is set on riser pipe, by table in well head chain-wales seat
The box cupling of layer casing, which is placed on ring flat-plate, to be carried, and dismantles surface pipe from the box cupling on ring flat-plate later, you can adjustment is bored
The cantilever beam and derrick location of well platform carry out the operation of next well, while being carried out using Simple cement head in well head chain-wales
Surface casing cementing operation, to realize a large amount of savings of duration.Such work pattern has been that current domestic offshore production well batch bores
Conventional exploitation pattern, in such work pattern, ring flat-plate need seat on riser pipe simultaneously surface pipe is kept, therefore
The concentric rate of the height of ring flat-plate installation accuracy, ring flat-plate and riser pipe will have a direct impact on the centralizer of surface pipe, Jin Eryan
Rate is returned on cement mortar when ghost image rings surface pipe well cementation, if the adjustment of ring flat-plate position is bad, is very easy to that surface pipe is caused to be cemented the well
Ineffective, this is for the cluster well of offshore production platform, in some instances it may even be possible to which phenomena such as causing cement mortar to alter slot occurs, and is well
The accident of touching buries security risk.In view of the above-mentioned problems, when being all present ring flat-plate in the prior art, in well head chain-wales by two and half
The ring plate of circular ring type is fixed composition ring flat-plate seat and is embraced on riser pipe, by surface pipe, then passes through guide chain (hand by several workers
Dynamic cucurbit) it is wrapped on surface pipe and is pulled, so as to adjust the centralizer of surface pipe, drive ring flat-plate to occupy by surface pipe
In it is in place.But this adjustment mode is needed to expend a large amount of manpower and could be completed, while it is also desirable to find at the scene it is suitable
The place of fixed guide chain, cause inefficiency, take it is very long.
Utility model content
The purpose of this utility model is to provide cluster well surface layer batch brill ring flat-plates, to solve offshore platform in the prior art
One adjusts the problem of surface pipe centralizer takes time and effort when opening operation, realizes and is carried out to the centralizer of surface pipe by ring flat-plate
The purpose directly adjusted.
The utility model is achieved through the following technical solutions：
Cluster well surface layer batch brill ring flat-plate, including two semi-circular rings, the both ends of the semi-circular ring are respectively provided with radially
Outwardly directed protrusion is threaded through-hole on the protrusion, and the protrusion in two semi-circular rings includes face respectively
Two groups, be bolted between one group of protrusion facing each other, be arranged two between another group of protrusion facing each other
Open cylinder, two open ends of cylinder is held to distinguish two protrusions of face, the inner barrel stationary barrier, partition board both sides
It is both provided with screw rod, two screw rods extend through the tapped through hole on protrusion, and the screw rod matches with the tapped through hole；
It further include the position-limit mechanism being axially moveable for limiting the screw rod.
The problem of surface pipe centralizer takes time and effort, this reality are adjusted when opening operation for offshore platform one in the prior art
Ring flat-plate with novel proposition cluster well surface layer batch brill ring flat-plate, the utility model also includes two semi-circular rings, two semicircular rings
Body collectively forms ring flat-plate for seat in riser pipe, and the both ends of semi-circular ring are respectively provided with the protrusion radially stretched out,
Traditional ring flat-plate is that two groups of protrusions of two semi-circular rings are facing each other and then is bolted.And this practicality
Only have one group of protrusion to be bolted between two semi-circular rings in novel, another group is attached by cylinder.It is described
Cylinder open at both ends and inner barrel are fixed with partition board, therefore cylinder is divided into two parts, two-part opening by partition board
The end protrusion in two semi-circular rings of face respectively, is individually positioned in by two screw rods in the both sides of cylinder, at the same screw rod from
It is passed through in the exposed tapped through hole from protrusion in open end of cylinder, the company by two bulge of cylinder pair is realized with this
It connects.Further include the position-limit mechanism being axially moveable for limiting the screw rod, the position-limit mechanism can be integrally fixed in cylinder
The structure in portion such as bearing etc. can also be the outer various blocks limit clamping piece etc. being connected on outside screw rod, for those skilled in the art
For, limitation screw rod is not mobile towards own axes direction and only carrying out rotation has many realization methods, it is any can
The structure that limitation screw rod moves in the axial direction disclosure satisfy that the needs of the application, simply, such as pass through protrusion in screw rod
The position in portion is arranged a bearing in protrusion and can be realized.Due to the limitation of limited position mechanism, works as and use external force
Can only be that protrusion is moved along the axis of screw rod, to drive semi-circular ring to be moved when drive screw turns.Tool
Body, when the utility model is used, two semi-circular rings are sleeved on surface pipe first, connect one be bolted
Protrusion is organized, then two screw rods are each passed through to the tapped through hole on another group of protrusion so that two screw rods respectively enter cylinder
Body both ends are until screw rod is against on partition board, and at this time due to the presence of position-limit mechanism, screw rod can not then be moved along axis.At this time
According to the eccentric situation of surface pipe, rotated by the screw rod of outer power drive respective direction, under the action of position-limit mechanism,
The forward or reverse of screw rod makes corresponding protrusion carry out the movement of straight line on screw axis direction, so as to being adjusted
Perfect square to protrusion carry out simple and quick adjustment, drive semi-circular ring to be moved in protrusion moving process, to right
Surface pipe is also pushed so that surface pipe and ring flat-plate are all gradually placed in the middle stable.The utility model passes through rotation two and half
The specific direction of torus, can in any direction on the centralizer of surface pipe is adjusted, hence for surface layer cover
The bias of pipe any direction simply and easily can be modified and adjust, and overcome and be directed to different sides in the prior art
Position needs to find guide chain different fixed points, is awkward, occurs the bad connection on well head chain-wales of certain orientation often
The problem of guide chain；The utility model only needs drive screw turns that can be adjusted simultaneously, pulls guide chain without more people, greatly
Reduce manpower consumption, also reduce adjustment surface pipe centralizer needed for time, compared to the prior art have protrude
Substantive distinguishing features and significant progress.
Preferably, the position-limit mechanism includes flange, block, and the flange is fixed on the one end of screw rod towards partition board, convex
Radially protruding of the edge towards screw rod；The block is fixed on cylinder inboard wall, and side of the block towards partition board is perpendicular to drum shaft
The plane of line, side of the block far from partition board are from the inside to the outside gradually to far from the inclined inclined-plane in tubular axis direction；It is described convex
Edge is between block and partition board.Position-limit mechanism in this programme includes flange and block, and flange is located on screw rod, block
Positioned at cylinder inboard wall, flange is mutually matched with block.When screw rod is inserted into baffle end, block passes through in the outside of flange
Block and partition board limit the movement of flange axially along a screw jointly, to limit screw rod moving along own axes.We
Side of the block towards partition board is the plane perpendicular to tubular axis in case, convenient for providing more effectively limitation to flange.And it keeps off
Side of the block far from partition board is from the inside to the outside gradually to the separate inclined inclined-plane in tubular axis direction, convenient for being inserted into spiral shell from outside to inside
When bar, flange is extruded along inclined-plane moment, to be smoothly inserted into screw rod in cylinder while complete position-limit mechanism
Limit connection.Without the additional position-limit mechanism outside in this programme, the difficulty reduced when operation uses can complicated journey
Degree, further increases the saving to manpower and time cost of the utility model.
Preferably, groove, the groove face cylinder, the cylinder energy are additionally provided on the protrusion of cylinder both sides
It is enough accommodated in two grooves；Groove on the same protrusion is connected with tapped through hole.It is two when cylinder both sides
When protrusion is bonded to each other, cylinder can be accommodated in two grooves and be placed, to be conducive to two semi-circular rings
Fully connection.
Preferably, several fixture blocks being uniformly distributed circumferentially also are fixed in the semi-circular ring bottom surface.The fixture block is for blocking
It is located at the outside of riser pipe, since each fixture block annular is uniformly distributed, when each fixture block fits with riser pipe lateral wall
When, entire ring flat-plate is also just placed centrally, therefore the setting that this programme passes through fixture block, additionally it is possible to the placement feelings of two semi-circular rings
Condition carries out auxiliary judgment, and situation placed in the middle is quickly confirmed convenient for worker.
The utility model compared with prior art, has the following advantages and advantages：
1, the utility model cluster well surface layer batch brill ring flat-plate passes through outer power drive according to the eccentric situation of surface pipe
The screw rod of respective direction is rotated, and under the action of position-limit mechanism, the forward or reverse of screw rod makes corresponding protrusion exist
The movement that straight line is carried out on screw axis direction, simple and quick adjustment is carried out so as to the protrusion to institute's adjustment direction,
Drive semi-circular ring to be moved in protrusion moving process, to also being pushed to surface pipe so that surface pipe and
Ring flat-plate is all gradually placed in the middle to be stablized.
2, the utility model cluster well surface layer batch brill ring flat-plate can by rotating the specific direction of two semi-circular rings
It reaches in any direction and the centralizer of surface pipe is adjusted, it, can hence for the bias of surface pipe any direction
It is enough to be simply and easily modified and adjust, overcome need to find guide chain for different orientation in the prior art it is different
Fixed point is awkward, and occurs certain orientation often the bad connection guide chain on well head chain-wales the problem of.
3, the utility model cluster well surface layer batch brill ring flat-plate, it is only necessary to which drive screw turns can be adjusted, and be not necessarily to
More people pull guide chain, greatly reduce manpower consumption, also reduce the time needed for adjustment surface pipe centralizer, compared to
The prior art has substantive distinguishing features outstanding and significant progress.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the upward view of the utility model specific embodiment；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the outside schematic diagram of a semi-circular ring in the utility model specific embodiment.
Label and corresponding parts title in attached drawing：
1- semi-circular rings, 2- protrusions, 3- bolts, 4- cylinders, 5- partition boards, 6- screw rods, 7- tapped through holes, 8- flanges, 9-
Block, 10- grooves, 11- fixture blocks.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1：
Cluster well surface layer as shown in Figure 1 to Figure 3 batch brill ring flat-plate, including two semi-circular rings 1, the semi-circular ring 1
Both ends be respectively provided with the protrusion 2 radially stretched out, through-hole 7, two semi-circular rings 1 are threaded on the protrusion 2
On protrusion 2 include two groups of face respectively, connected by bolt 3 between one group of protrusion 2 facing each other, another group of phase
The cylinder 4 of open at both ends is set between the protrusion 2 of mutual face, two protrusions 2 of face are distinguished in two open ends of cylinder 4,
4 inside stationary barrier 5 of the cylinder, 5 both sides of partition board are both provided with screw rod 6, and two screw rods 6 extend through the spiral shell on protrusion 2
Line through-hole 7, the screw rod 6 match with the tapped through hole 7；It further include the limit being axially moveable for limiting the screw rod 6
Position mechanism.Position-limit mechanism in the present embodiment uses the chuck that can be directly inserted in well head chain-wales soffit grid.
Embodiment 2：
Cluster well surface layer as shown in Figure 1 to Figure 3 batch brill ring flat-plate, on the basis of embodiment 1, the position-limit mechanism packet
Flange 8, block 9 are included, the flange 8 is fixed on screw rod 6 towards one end of partition board 5, radially protruding of the flange 8 towards screw rod 6；Institute
It states block 9 and is fixed on 4 inner wall of cylinder, side of the block 9 towards partition board 5 is the plane perpendicular to 4 axis of cylinder, and block 9 is separate
The side of partition board 5 is from the inside to the outside gradually to far from the inclined inclined-plane of 4 axis direction of cylinder；The flange 8 be located at block 9 and every
Between plate 5.Groove 10,10 face cylinder 4 of the groove, the cylinder 4 are additionally provided on the protrusion 2 of 4 both sides of cylinder
It can be accommodated in two grooves 10；Groove 10 on the same protrusion 2 is connected with tapped through hole 7.The semi-circular ring 1
Bottom surface also fix several fixture blocks 11 being uniformly distributed circumferentially.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. cluster well surface layer batch brill ring flat-plate, including two semi-circular rings (1), the both ends of the semi-circular ring (1) are respectively provided with edge
The protrusion (2) extended radially out is threaded through-hole (7) on the protrusion (2), convex on two semi-circular rings (1)
Go out two groups that portion (2) includes face respectively, which is characterized in that between one group of protrusion facing each other (2) even by bolt (3)
It connects, the cylinder (4) of open at both ends, two open ends difference of cylinder (4) is set between another group of protrusion facing each other (2)
Two protrusions (2) of face, the internal stationary barrier (5) of the cylinder (4), partition board (5) both sides are both provided with screw rod (6), two
Screw rod (6) extends through the tapped through hole (7) on protrusion (2), and the screw rod (6) matches with the tapped through hole (7)；Also
The position-limit mechanism being axially moveable including being used to limit the screw rod (6).
2. cluster well surface layer according to claim 1 batch brill ring flat-plate, which is characterized in that the position-limit mechanism includes flange
(8), block (9), the flange (8) are fixed on the one end of screw rod (6) towards partition board (5), diameter of the flange (8) towards screw rod (6)
To protrusion；The block (9) is fixed on cylinder (4) inner wall, and side of the block (9) towards partition board (5) is perpendicular to cylinder (4) axis
The plane of line, side of the block (9) far from partition board (5) are from the inside to the outside gradually to inclined tiltedly far from cylinder (4) axis direction
Face；The flange (8) is located between block (9) and partition board (5).
3. cluster well surface layer according to claim 1 batch brill ring flat-plate, which is characterized in that be located at the convex of cylinder (4) both sides
Go out in portion (2) to be additionally provided with groove (10), groove (10) the face cylinder (4), the cylinder (4) can be accommodated in two it is recessed
In slot (10)；Groove (10) on the same protrusion (2) is connected with tapped through hole (7).
4. cluster well surface layer according to claim 1 batch brill ring flat-plate, which is characterized in that the bottom of the semi-circular ring (1)
Several fixture blocks (11) being uniformly distributed circumferentially also are fixed in face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182332.XU CN207905762U (en) | 2018-02-01 | 2018-02-01 | Cluster well surface layer batch brill ring flat-plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182332.XU CN207905762U (en) | 2018-02-01 | 2018-02-01 | Cluster well surface layer batch brill ring flat-plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207905762U true CN207905762U (en) | 2018-09-25 |
Family
ID=63561968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820182332.XU Expired - Fee Related CN207905762U (en) | 2018-02-01 | 2018-02-01 | Cluster well surface layer batch brill ring flat-plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207905762U (en) |
-
2018
- 2018-02-01 CN CN201820182332.XU patent/CN207905762U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111058762A (en) | Device for conveniently drilling in broken rock mass and drilling method thereof | |
| CN205936422U (en) | Double -walled drilling rod | |
| RU2015145876A (en) | Borehole Expandable Pipe | |
| CN207905761U (en) | Self-elevating drilling platform surface pipe ring-plane structure | |
| CN103277049A (en) | Slip-type whipstock | |
| CN207905762U (en) | Cluster well surface layer batch brill ring flat-plate | |
| CN205477469U (en) | Easy boring prevents changeing anchoring structure | |
| CN101942982A (en) | Device for jetting conduit into directly-drilled surface layer of marine deep-water drilling well | |
| CN205532469U (en) | Easy boring prevents changeing fracturing bridging plug | |
| CN106639876B (en) | Radiating aperture guide digging equipment and technique | |
| CN108166938A (en) | Suitable for the novel ring flat-plate of offshore platform surface casing cementing | |
| CN207905733U (en) | A kind of offshore oil gas well surface casing cementing ring flat-plate | |
| CN206309331U (en) | Casing hanger | |
| CN108316880A (en) | A kind of jacket batch bores an open loop harden structure of operation | |
| CN203374205U (en) | Slip type whipstock | |
| CN103375134B (en) | Reducing cylinder brill, the reducing method of cylinder brill and rotary drilling rig | |
| CN206429196U (en) | A kind of ultra-deep-water is with the cased device of brill | |
| CN204299519U (en) | Surface pipe anchoring device | |
| CN201802349U (en) | Spraying guiding pipe inserting and surface direct-drilling device for ocean deepwater drilling | |
| CN204851164U (en) | Return and insert well cementation sealing device | |
| CN108343394A (en) | Convenient for improving the offshore oilfield batch brill ring flat-plate of centralizer | |
| CN108301805A (en) | Ring flat-plate for the non-rig time well cementing operation in bottom founded rig surface layer | |
| CN105178882A (en) | Elbow-type dual-thrust hydraulic centralizer | |
| CN113294160B (en) | Pipe jacking construction retaining device suitable for stratum with high water pressure and high water permeability | |
| CN217735409U (en) | Guide hole drilling tool for construction of dragging pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20190201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |