CN106522875A - Well cementation joint - Google Patents
Well cementation joint Download PDFInfo
- Publication number
- CN106522875A CN106522875A CN201611116476.7A CN201611116476A CN106522875A CN 106522875 A CN106522875 A CN 106522875A CN 201611116476 A CN201611116476 A CN 201611116476A CN 106522875 A CN106522875 A CN 106522875A
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- China
- Prior art keywords
- pipe nipple
- cementing
- ball
- crown body
- preposition
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of well cementation tools, and in particular relates to a well cementation joint. The well cementation joint comprises a central tube body, an ahead short section, a cementing short section and a replacement short section with the outer end sealed, wherein the replacement short section, cementing short section and ahead short section are sequentially fixed on the central tube body at intervals from top to bottom, the replacement short section, cementing short section and ahead short section are respectively communicated with the central tube body, and an upper connecting piece is fixedly arranged between the replacement short section and the cementing short section. The well cementation joint is reasonable and compact in structure and easy to use, in a working procedure of injecting ahead fluid, cement slurry and replacement fluid, after pipelines of the cementing short section, ahead short section and the like are connected, the pipelines do not need to be assembled and disassembled multiple times, and switching of an injection working procedure can be realized by controlling an upper switch assembly, a lower switch assembly, a preposed switch assembly and a cementing switch assembly, so that an intermediate link such as waiting is eliminated, construction time is shortened, and well cementation efficiency can be improved.
Description
Technical field
The present invention relates to cementing tool technical field, is a kind of cementing joint.
Background technology
Xinjiang Oilfield viscous crude well cementation at present is using special cementing technology, by being equipped with prestressed ground in bunch tube bottom
Anchor, after well cementing impact pressure, lifts bunch tube, release slips fixed sleeving string, completes well cementing operation.At present well cementation be carry out before
Liquid, cement mortar and displacement fluid injection three process is put, is connect using well cementation in above prepad fluid, cement mortar and displacement fluid injection process
Head coordinating operation, existing cementing joint need to repeatedly load and unload pipeline, and such as loading and unloading pipeline after cemented up slurry can just carry out lower step
Operation, due to the inconvenience of wellfield layout, rig-floor tools and adnexa connecting pipeline, increases the engineering time, affects well cementation efficiency.
The content of the invention
The invention provides a kind of cementing joint, overcomes the deficiency of above-mentioned prior art, its energy effectively solving is using existing
There is cementing joint to carry out present in well cementing operation process, needing the problem of being dismounted for multiple times pipeline.
The technical scheme is that by following measures to realize：A kind of cementing joint, including it is center tubes, preposition
The replacement pipe nipple of pipe nipple, cementing pipe nipple and outer end closure, replaces pipe nipple, cementing pipe nipple and preposition pipe nipple from top to bottom sequentially
Interval is fixed in center tubes, is replaced pipe nipple, cementing pipe nipple and preposition pipe nipple and is communicated with center tubes respectively, short replacing
Upper connector is installed between section and cementing pipe nipple, is provided with upper connector and can will be replaced pipe nipple and cementing pipe nipple
The upper interface channel of connection, is provided with the upper switch module of interface channel on closing or turning on, on upper connector in water filling
Lower connector is installed between mud pipe nipple and preposition pipe nipple, being provided with lower connector can be short with preposition by cementing pipe nipple
The lower interface channel of section connection, it is upper be provided with can close or turn under interface channel lower switch module, in center tubes and
The cementing that center tubes can be made to be turned on cementing pipe nipple or be not communicated with is installed on the cementing pipe nipple between upper connector
Switch module, being provided with the preposition pipe nipple between center tubes and lower connector to make center tubes turn on preposition pipe nipple
Or the prefix switch component being not communicated with, plug is installed with the upper end of center tubes.
The further optimization and/or improvements to foregoing invention technical scheme are presented herein below：
Above-mentioned cementing switch module includes cementing lock ball screw rod and is built in cementing pipe nipple and can block cementing pipe nipple
Ball-crown body three, be integrally fixed with transition block three at the bottom edge of ball-crown body three, at the bottom of transition block three and ball-crown body three
Cementing opening is formed between face, the junction of ball-crown body three is provided with opening tapped blind hole one outwardly in transition block three,
It has been radially arranged on cementing pipe nipple and one corresponding fixing screwed hole one of tapped blind hole, the fixed installation of cementing lock ball screw rod
In fixing screwed hole one and tapped blind hole one, it is provided with out in the cementing lock ball screw rod outer end on the outside of cementing pipe nipple
Mouth open slot one outwardly；Or/and, prefix switch component includes preposition lock ball screw rod and is built in preposition pipe nipple and before blocking
The ball-crown body four of pipe nipple is put, and transition block four is integrally fixed with the bottom edge of ball-crown body four, in transition block four and ball-crown body
Prepad fluid opening is formed between four bottom surface, transition block four and the junction of ball-crown body four opening screw thread outwardly is provided with blind
Hole two, has been radially arranged and two corresponding fixing screwed hole two of tapped blind hole in preposition pipe nipple, preposition lock ball screw rod fixed installation
In fixing screwed hole two and tapped blind hole two, the preposition lock ball screw rod outer end on the outside of preposition pipe nipple is provided with opening court
Outer open slot two.
Above-mentioned upper switch module includes lock ball screw rod and is built in upper connector and can block the spherical crown of interface channel
Body one, is integrally fixed with transition block one, at the bottom edge of ball-crown body one between the bottom surface of transition block one and ball-crown body one
Upper shed is formed, the junction of ball-crown body one opening upper tapped blind hole outwardly is provided with transition block one, in upper connector
On be radially arranged upper fixing screwed hole corresponding with upper tapped blind hole, upper lock ball screw rod be fixedly mounted on fixing screwed hole and
In upper tapped blind hole, the upper lock ball screw rod outer end on the outside of upper connector is provided with opening upper shed groove outwardly.
Above-mentioned upper connector includes connecting short section one, high-pressure hose one and ball valve joint one, the upper end of connecting short section one with
Replace pipe nipple to be fixedly installed togather and communicate, lower end and the cementing pipe nipple of ball valve joint one are fixedly installed togather and phase
Logical, lower end and the upper end of high-pressure hose one of connecting short section one are fixedly installed togather by pressure cap, the lower end of high-pressure hose one
It is fixedly installed togather by pressure cap with the upper end of ball valve joint one, ball-crown body one is built in ball valve joint one, upper fixed screw thread
Hole is arranged on ball valve joint one.
Above-mentioned lower switch module includes lower lock ball screw rod and is built in lower connector and can block the spherical crown of lower interface channel
Body two, is integrally fixed with transition block two at the bottom edge of ball-crown body two, at transition block two and the bottom of ball-crown body ball-crown body two
Under shed is formed between face, the junction of ball-crown body two opening lower tapped blind hole outwardly is provided with transition block two, under
Lower fixing screwed hole corresponding with lower tapped blind hole is radially arranged on connector, lower lock ball screw rod is fixedly mounted on lower fixed spiral shell
In pit and lower tapped blind hole, the lower lock ball screw rod outer end on the outside of lower connector is provided with opening under shed outwardly
Groove.
Above-mentioned lower connector includes connecting short section two, high-pressure hose two and ball valve joint two, the upper end of ball valve joint two with
Cementing pipe nipple is fixedly installed togather and communicates, and the lower end of connecting short section two is fixedly installed togather with preposition pipe nipple and phase
Logical, upper end and the lower end of high-pressure hose two of connecting short section two are fixedly installed togather by pressure cap, the upper end of high-pressure hose two
It is fixedly installed togather by pressure cap with the lower end of ball valve joint two, ball-crown body two is built in ball valve joint two, lower fixed screw thread
Hole is arranged on ball valve joint two.
Above-mentioned replacement pipe nipple, cementing pipe nipple and preposition pipe nipple are located at the same side of center tubes；Or/and, it is short replacing
The outer end of section is installed with blocking cap；Or/and, blocking cap is installed with the outer end of cementing pipe nipple；Or/and, preposition short
The outer end of section is installed with blocking cap.
Present configuration is reasonable and compact, easy to use, and which is carrying out the injection process of prepad fluid, cement mortar and displacement fluid
During, after the pipeline connection of cementing pipe nipple and preposition pipe nipple etc., without the need for repeatedly loading and unloading pipeline, by the upper switches set of control
Part, lower switch module, prefix switch component and cementing switch module are capable of achieving the switching of injection process, so as to reduce wait
Etc. intermediate link, the engineering time is shortened, it is possible to increase well cementation efficiency.
Description of the drawings
Main view cross section structure diagram of the accompanying drawing 1 for preferred embodiment.
Coding in accompanying drawing is respectively：Body centered on 1,2 is preposition pipe nipple, and 3 is cementing pipe nipple, and 4 to replace pipe nipple,
5 is plug, and 6 is cementing lock ball screw rod, and 7 is ball-crown body three, and 8 is transition block three, and 9 is cementing opening, and 10 is open slot one,
11 is preposition lock ball screw rod, and 12 is ball-crown body four, and 13 is transition block four, and 14 is prepad fluid opening, and 15 is open slot two, and 16 is upper
Lock ball screw rod, 17 is ball-crown body one, and 18 is transition block one, and 19 is upper shed, and 20 is upper shed groove, and 21 is connecting short section one, 22
For high-pressure hose one, 23 is ball valve joint one, and 24 is lower lock ball screw rod, and 25 is ball-crown body two, and 26 is transition block two, 27 be under open
Mouthful, 28 is under shed groove, and 29 is connecting short section two, and 30 is high-pressure hose two, and 31 is ball valve joint two, and 32 is pressure cap, and 33 is stifled
Cap.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and practical situation determining specifically
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode being described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description
Direction is determining.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in Figure 1, the cementing joint includes the replacement of center tubes 1, preposition pipe nipple 2, cementing pipe nipple 3 and outer end closure
Pipe nipple 4, sequentially interval is fixed in center tubes 1 from top to bottom to replace pipe nipple 4, cementing pipe nipple 3 and preposition pipe nipple 2, is replaced
Pipe nipple 4, cementing pipe nipple 3 and preposition pipe nipple 2 are communicated with center tubes 1 respectively, are being replaced between pipe nipple 4 and cementing pipe nipple 3
Upper connector is installed with, is provided with upper connector and the upper connection that replacement pipe nipple 4 is connected with cementing pipe nipple 3 can be led to
Road, is provided with the upper switch module of interface channel on closing or turning on upper connector, short with preposition in cementing pipe nipple 3
Lower connector is installed between section 2, is provided with lower connector under can be connected cementing pipe nipple 3 with preposition pipe nipple 2
Interface channel, it is upper be provided with can close or turn under interface channel lower switch module, center tubes 1 and upper connector it
Between cementing pipe nipple 3 on the cementing switches set that center tubes 1 can be made to turn on or be not communicated with cementing pipe nipple 3 is installed
Part, be provided with the preposition pipe nipple 2 between center tubes 1 and lower connector center tubes 1 can be made to turn on preposition pipe nipple 2 or
The prefix switch component being not communicated with, is installed with plug 5 in the upper end of center tubes 1.
Center tubes 1, landing joint and bunch tube are sequentially connected in well head, preposition pipe nipple 2 is connected with water pipeline, cementing
Pipe nipple 3 is connected with cementing pipeline, is replacing the center tubes 1 between pipe nipple 4 and cementing pipe nipple 3 built with plug, well cementation
Early stage, by controlling prefix switch component, makes center tubes 1 communicate with preposition pipe nipple 2, then by preposition pipe nipple 2 into well
Note prepad fluid（Clear water）, after prepad fluid injection is finished, by controlling prefix switch component, make center tubes 1 with preposition pipe nipple 2 not
Communicate, then, by control upper switch module, lower switch module and cementing switch module, make interface channel obstructed, lower company
Connect road also obstructed, cementing pipe nipple 3 is communicated with center tubes 1, cement mortar is injected by cementing pipe nipple 3 into well, is treated
When cement mortar returns to design well depth, by controlling cementing switch module, cementing pipe nipple 3 is made to be not communicated with center tubes 1, tightly
Then, displacement fluid is noted by preposition pipe nipple 2 into well（Clear water）, after reaching design flow, then by the upper switch module of control, under open
Component and prefix switch component are closed, interface channel is connected with lower interface channel, make preposition pipe nipple 2 and center tubes 1 not phase
Logical, displacement fluid is through upper interface channel, lower interface channel and replaces after pipe nipple 4 into center tubes 1, and plug is headed in well,
Plug is entered in the impacting seat of shaft bottom, lifts prestressing force and complete well cementing operation after bruising.Also well-flushing can be carried out by preposition pipe nipple 2,
Circulating mud bottom-hole cleaning.Prefix switch component, upper switch module, lower switch module and cementing switch module are respectively existing
The component with switching function in known technology.
By above-mentioned well cementing process, during the injection process for carrying out prepad fluid, cement mortar and displacement fluid, water filling
After the pipeline connection of mud pipe nipple 3 and preposition pipe nipple 2 etc., without the need for repeatedly loading and unloading pipeline, by control upper switch module, lower switches set
Part, prefix switch component and cementing switch module are capable of achieving the switching of injection process, so as to reduce the intermediate links such as wait,
Shorten the engineering time, it is possible to increase well cementation efficiency.
According to actual needs above-mentioned cementing joint can be made further optimization and/or improvements：
As shown in Figure 1, cementing switch module includes cementing lock ball screw rod 6 and is built in cementing pipe nipple 3 and can block
The ball-crown body 37 of cementing pipe nipple 3, is integrally fixed with transition block 38, at the bottom edge of ball-crown body 37 in transition block 38
Cementing opening 9 is formed and the bottom surface of ball-crown body 37 between, the junction of ball-crown body 37 is provided with opening in transition block 38
Tapped blind hole one outwardly, has been radially arranged on cementing pipe nipple 3 and one corresponding fixing screwed hole one of tapped blind hole, water filling
Mud lock ball screw rod 6 is fixedly mounted in fixing screwed hole one and tapped blind hole one, in the cementing on the outside of cementing pipe nipple 3
6 outer end of lock ball screw rod is provided with opening open slot 1 outwardly；Or/and, prefix switch component includes preposition lock ball screw rod 11
Be built in preposition pipe nipple 2 and can block the ball-crown body 4 12 of preposition pipe nipple 2, integrally consolidate at the bottom edge of ball-crown body 4 12
Surely there is transition block 4 13, prepad fluid opening 14 is formed between the bottom surface of transition block 4 13 and ball-crown body 4 12, in transition block four
13 are provided with opening tapped blind hole two outwardly with the junction of ball-crown body 4 12, have been radially arranged and screw thread in preposition pipe nipple 2
Two corresponding fixing screwed hole two of blind hole, preposition lock ball screw rod 11 are fixedly mounted in fixing screwed hole two and tapped blind hole two,
Preposition 11 outer end of lock ball screw rod on the outside of preposition pipe nipple 2 is provided with opening open slot 2 15 outwardly.
During the dead in line of the spherical crown summit of ball-crown body 37 and cementing pipe nipple 3, cementing switch module is in closing shape
State（Cementing pipe nipple 3 is made to be not communicated with center tubes 1）, by instrument（Screwdriver or other instruments）Open slot 1 is placed in, is revolved
Change a job tool, ball-crown body 37 is rotated around the axis of cementing lock ball screw rod 6, until cementing pipe nipple 3 and center tubes
1 is turned on by cementing opening 9（Cementing switch module is in open mode）；When needing to close cementing switch module,
By reversely rotating instrument, rotate ball-crown body 37, until cementing pipe nipple 3 is insulated by ball-crown body 37.
During the dead in line of 4 12 spherical crown summit of ball-crown body and preposition pipe nipple 2, prefix switch component is closed（Make
Preposition pipe nipple 2 is not communicated with center tubes 1）, instrument is placed in into open slot 2 15, throw makes ball-crown body 4 12 around front
The axis for putting lock ball screw rod 11 is rotated, until preposition pipe nipple 2 is turned on by prepad fluid opening 14 with center tubes 1（It is preposition
Switch module is in open mode）；When needing to close prefix switch component, by reversely rotating instrument, ball-crown body 4 12 is made
Rotate, until preposition pipe nipple 2 is insulated by ball-crown body 4 12.
The setting of open slot 1 is easy to the folding of cementing switch module, the setting of open slot 2 15 to be easy to prefix switch
The folding of component, which can further shorten the engineering time.
As shown in Figure 1, upper switch module includes lock ball screw rod 16 and is built in upper connector and can block connection
The ball-crown body 1 of passage, is integrally fixed with transition block 1 at the bottom edge of ball-crown body 1, transition block 1 with
Upper shed 19 is formed between the bottom surface of ball-crown body 1, the junction of ball-crown body 1 is provided with opening court in transition block 1
Outer upper tapped blind hole, has been radially arranged fixing screwed hole on corresponding with upper tapped blind hole, upper lock ball spiral shell on upper connector
Bar 16 is fixedly mounted in fixing screwed hole and upper tapped blind hole, in upper 16 outer end of lock ball screw rod on the outside of upper connector
It is provided with opening upper shed groove 20 outwardly.
During the dead in line of the spherical crown summit of ball-crown body 1 and upper connector, upper switch module is closed（Make
Cementing pipe nipple 3 is not communicated with pipe nipple 4 is replaced）, instrument is placed in into upper shed groove 20, throw surround ball-crown body 1
The axis of upper lock ball screw rod 16 is rotated, until cementing pipe nipple 3 is turned on by upper shed 19 with pipe nipple 4 is replaced（Upper switch
Component is in open mode）；When needing to close upper switch module, by reversely rotating instrument, rotate ball-crown body 1, directly
Upper connector is insulated to ball-crown body 1.Upper shed groove 20 arranges the folding that can be easy to upper switch module, further shortens
Engineering time.
As shown in Figure 1, upper connector includes connecting short section 1, high-pressure hose 1 and ball valve joint 1, connection
The upper end of pipe nipple 1 is fixedly installed togather and is communicated with pipe nipple 4 is replaced, lower end and the cementing pipe nipple 3 of ball valve joint 1
It is fixedly installed togather and communicates, the lower end of connecting short section 1 is fixedly mounted by pressure cap 32 with the upper end of high-pressure hose 1
Together, the lower end of high-pressure hose 1 is fixedly installed togather by pressure cap 32 with the upper end of ball valve joint 1, ball-crown body
One 17 are built in ball valve joint 1, and upper fixing screwed hole is arranged on ball valve joint 1.Connecting short section one 21, high-pressure hose
One 22 and the combination of ball valve joint 1 the characteristics of there is easy accessibility, further shorten the engineering time.
As shown in Figure 1, lower switch module includes lower lock ball screw rod 24 and is built in lower connector and can block lower connection
The ball-crown body 2 25 of passage, is integrally fixed with transition block 2 26 at the bottom edge of ball-crown body 2 25, transition block 2 26 with
Under shed 27 is formed between the bottom surface of ball-crown body ball-crown body 2 25, is provided with the junction of ball-crown body 2 25 in transition block 2 26
Opening lower tapped blind hole outwardly, has been radially arranged lower fixing screwed hole corresponding with lower tapped blind hole on lower connector, under
Lock ball screw rod 24 is fixedly mounted in lower fixing screwed hole and lower tapped blind hole, in the lower lock ball screw rod on the outside of lower connector
24 outer ends are provided with opening under shed groove 28 outwardly.
During the dead in line of the spherical crown summit of ball-crown body 2 25 and lower connector, lower switch module is closed（Make
Cementing pipe nipple 3 is not communicated with preposition pipe nipple 2）, instrument is placed in under shed groove 28, throw surround ball-crown body 2 25
The axis of lower lock ball screw rod 24 is rotated, until cementing pipe nipple 3 is turned on by upper shed 19 with preposition pipe nipple 2（Lower switch
Component is in open mode）；When needing to close lower switch module, by reversely rotating instrument, rotate ball-crown body 2 25, directly
Lower connector is insulated to ball-crown body 2 25.Under shed groove 28 arranges the folding that can be easy to lower switch module, further shortens
Engineering time.
As shown in Figure 1, lower connector includes connecting short section 2 29, high-pressure hose 2 30 and ball valve joint 2 31, ball valve
The upper end of joint 2 31 is fixedly installed togather and is communicated with cementing pipe nipple 3, the lower end of connecting short section 2 29 and preposition pipe nipple 2
It is fixedly installed togather and communicates, the upper end of connecting short section 2 29 is fixedly mounted by pressure cap 32 with the lower end of high-pressure hose 2 30
Together, the upper end of high-pressure hose 2 30 is fixedly installed togather by pressure cap 32 with the lower end of ball valve joint 2 31, ball-crown body
2 25 are built in ball valve joint 2 31, and lower fixing screwed hole is arranged on ball valve joint 2 31.Connecting short section 2 29, high-pressure hose
2 30 and the combination of ball valve joint 2 31 the characteristics of there is easy accessibility, further shorten the engineering time.
As shown in Figure 1, replace the same side that pipe nipple 4, cementing pipe nipple 3 and preposition pipe nipple 2 are located at center tubes 1；Or/
With, replace pipe nipple 4 outer end be installed with blocking cap 33；Or/and, blocking cap is installed with the outer end of cementing pipe nipple 3
33；Or/and, blocking cap 33 is installed with the outer end of preposition pipe nipple 2.Replace pipe nipple 4, cementing pipe nipple 3 and preposition pipe nipple 2
When the same side of center tubes 1, the winding of pipeline can be prevented.The outer end for replacing pipe nipple 4 is sealed by blocking cap 33, is being not required to
When to be sealed, blocking cap 33 can be pulled down, improve the motility of the present invention.Blocking cap 33 on cementing pipe nipple 3 and preposition pipe nipple 2,
Can install or do not install according to actual needs.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and which has stronger adaptability and optimal enforcement effect
Really, non-essential technical characteristic can be increased and decreased according to actual needs, meets the demand of different situations.
Claims (10)
1. a kind of cementing joint, it is characterised in that including the replacement of center tubes, preposition pipe nipple, cementing pipe nipple and outer end closure
Pipe nipple, sequentially interval is fixed in center tubes from top to bottom to replace pipe nipple, cementing pipe nipple and preposition pipe nipple, replacement pipe nipple,
Cementing pipe nipple and preposition pipe nipple are communicated with center tubes respectively, are installed between pipe nipple and cementing pipe nipple replacing
Connector, is provided with upper connector and can will replace the upper interface channel that pipe nipple is connected with cementing pipe nipple, on upper connector
The upper switch module that can close or turn on upper interface channel is installed, is installed between cementing pipe nipple and preposition pipe nipple
Lower connector, is provided with the lower interface channel that cementing pipe nipple can be connected with preposition pipe nipple in lower connector, is provided with upper
The lower switch module of lower interface channel can be closed or be turned on, is installed on the cementing pipe nipple between center tubes and upper connector
Have the cementing switch module that center tubes and cementing pipe nipple can be made to turn on or be not communicated with, center tubes and lower connector it
Between preposition pipe nipple on the prefix switch component that center tubes can be made to be turned on preposition pipe nipple or be not communicated with is installed, in central canal
The upper end of body is installed with plug.
2. cementing joint according to claim 1, it is characterised in that cementing switch module includes cementing lock ball screw rod
Be built in cementing pipe nipple and the ball-crown body three of cementing pipe nipple can be blocked, one is fixed at the bottom edge of ball-crown body three
There is transition block three, cementing opening is formed between the bottom surface of transition block three and ball-crown body three, in transition block three and ball-crown body three
Junction be provided with opening tapped blind hole one outwardly, be radially arranged on cementing pipe nipple corresponding with tapped blind hole one
Fixing screwed hole one, cementing lock ball screw rod are fixedly mounted in fixing screwed hole one and tapped blind hole one, positioned at cementing
Cementing lock ball screw rod outer end on the outside of pipe nipple is provided with opening open slot one outwardly；Or/and, before prefix switch component includes
Put lock ball screw rod and be built in preposition pipe nipple and the ball-crown body four of preposition pipe nipple can be blocked, one at the bottom edge of ball-crown body four
Body is fixed with transition block four, forms prepad fluid opening, in transition block four and ball between the bottom surface of transition block four and ball-crown body four
The junction of hat body four is provided with opening tapped blind hole two outwardly, has been radially arranged in preposition pipe nipple corresponding with tapped blind hole two
Fixing screwed hole two, preposition lock ball screw rod is fixedly mounted in fixing screwed hole two and tapped blind hole two, positioned at preposition short
The preposition lock ball screw rod outer end in section outside is provided with opening open slot two outwardly.
3. cementing joint according to claim 1 and 2, it is characterised in that upper switch module includes lock ball screw rod and built-in
The ball-crown body one of interface channel can simultaneously be blocked in upper connector, transition block is integrally fixed with the bottom edge of ball-crown body one
One, upper shed is formed between the bottom surface of transition block one and ball-crown body one, arrange with the junction of ball-crown body one in transition block one
There is opening upper tapped blind hole outwardly, fixing screwed hole on corresponding with upper tapped blind hole be radially arranged on upper connector,
Upper lock ball screw rod is fixedly mounted in fixing screwed hole and upper tapped blind hole, in the upper lock ball screw rod on the outside of upper connector
Outer end is provided with opening upper shed groove outwardly.
4. cementing joint according to claim 3, it is characterised in that upper connector includes connecting short section one, high-pressure hose one
With ball valve joint one, the upper end of connecting short section one is fixedly installed togather and communicated with pipe nipple is replaced, the lower end of ball valve joint one
It is fixedly installed togather and communicates with cementing pipe nipple, the lower end of connecting short section one is solid by pressure cap with the upper end of high-pressure hose one
Dingan County is fitted together, and lower end and the upper end of ball valve joint one of high-pressure hose one are fixedly installed togather by pressure cap, ball-crown body
One is built in ball valve joint one, and upper fixing screwed hole is arranged on ball valve joint one.
5. the cementing joint according to claim 1 or 2 or 4, it is characterised in that lower switch module include lower lock ball screw rod and
The ball-crown body two that lower connector can simultaneously block lower interface channel is built in, was integrally fixed with the bottom edge of ball-crown body two
Block two is crossed, under shed is formed between the bottom surface of transition block two and ball-crown body ball-crown body two, in transition block two and ball-crown body two
Junction is provided with opening lower tapped blind hole outwardly, has been radially arranged corresponding with lower tapped blind hole lower solid on lower connector
Determine screwed hole, lower lock ball screw rod is fixedly mounted in lower fixing screwed hole and lower tapped blind hole, on the outside of lower connector
Lower lock ball screw rod outer end is provided with opening under shed groove outwardly.
6. cementing joint according to claim 3, it is characterised in that lower switch module includes lower lock ball screw rod and is built in
Lower connector can simultaneously block the ball-crown body two of lower interface channel, at the bottom edge of ball-crown body two integrally be fixed with transition block
Two, under shed is formed between the bottom surface of transition block two and ball-crown body ball-crown body two, in the handing-over of transition block two and ball-crown body two
Place is provided with opening lower tapped blind hole outwardly, and lower fixed spiral shell corresponding with lower tapped blind hole has been radially arranged on lower connector
Pit, lower lock ball screw rod are fixedly mounted in lower fixing screwed hole and lower tapped blind hole, in the lower lock on the outside of lower connector
Ball screw rod outer end is provided with opening under shed groove outwardly.
7. cementing joint according to claim 5, it is characterised in that lower connector includes connecting short section two, high-pressure hose two
With ball valve joint two, the upper end of ball valve joint two is fixedly installed togather and is communicated with cementing pipe nipple, under connecting short section two
End is fixedly installed togather and is communicated with preposition pipe nipple, and the upper end of connecting short section two is solid by pressure cap with the lower end of high-pressure hose two
Dingan County is fitted together, and upper end and the lower end of ball valve joint two of high-pressure hose two are fixedly installed togather by pressure cap, ball-crown body
Two are built in ball valve joint two, and lower fixing screwed hole is arranged on ball valve joint two.
8. cementing joint according to claim 6, it is characterised in that lower connector includes connecting short section two, high-pressure hose two
With ball valve joint two, the upper end of ball valve joint two is fixedly installed togather and is communicated with cementing pipe nipple, under connecting short section two
End is fixedly installed togather and is communicated with preposition pipe nipple, and the upper end of connecting short section two is solid by pressure cap with the lower end of high-pressure hose two
Dingan County is fitted together, and upper end and the lower end of ball valve joint two of high-pressure hose two are fixedly installed togather by pressure cap, ball-crown body
Two are built in ball valve joint two, and lower fixing screwed hole is arranged on ball valve joint two.
9. the cementing joint according to claim 1 or 2 or 4 or 6 or 7 or 8, it is characterised in that replace pipe nipple, cementing short
Section and preposition pipe nipple are located at the same side of center tubes；Or/and, blocking cap is installed with the outer end for replacing pipe nipple；Or/and,
Blocking cap is installed with the outer end of cementing pipe nipple；Or/and, blocking cap is installed with the outer end of preposition pipe nipple.
10. cementing joint according to claim 5, it is characterised in that replace pipe nipple, cementing pipe nipple and preposition pipe nipple position
In the same side of center tubes；Or/and, blocking cap is installed with the outer end for replacing pipe nipple；Or/and, in cementing pipe nipple
Outer end is installed with blocking cap；Or/and, blocking cap is installed with the outer end of preposition pipe nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116476.7A CN106522875A (en) | 2016-12-07 | 2016-12-07 | Well cementation joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116476.7A CN106522875A (en) | 2016-12-07 | 2016-12-07 | Well cementation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522875A true CN106522875A (en) | 2017-03-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611116476.7A Pending CN106522875A (en) | 2016-12-07 | 2016-12-07 | Well cementation joint |
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| CN (1) | CN106522875A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360391A (en) * | 2020-12-09 | 2021-02-12 | 中国石油天然气集团有限公司 | Full-automatic wireless remote control well cementation cement head and use method |
| CN115217441A (en) * | 2022-07-27 | 2022-10-21 | 中海石油(中国)有限公司湛江分公司 | Ball-throwing device for cement injection plug and cement injection plug process thereof |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035813A (en) * | 1988-05-27 | 1991-07-30 | Union Oil Company Of California | Process and composition for treating underground formations penetrated by a well borehole |
| CN2916116Y (en) * | 2006-01-24 | 2007-06-27 | 石凤岐 | Separated double-plug casing cement head |
| CN101038038A (en) * | 2007-04-20 | 2007-09-19 | 张长宗 | Hard sealing ball valve |
| CN202597755U (en) * | 2012-04-24 | 2012-12-12 | 上海星荣建设有限公司 | Medium and low pressure pipeline locking and pressing type connecting structure applied to valve |
| CN102953707A (en) * | 2012-11-13 | 2013-03-06 | 中国石油化工股份有限公司 | Top-drive drill rod well cementing head |
| CN202832353U (en) * | 2012-08-22 | 2013-03-27 | 沈阳白云机械有限公司 | Straight-buckle fast connection cement head device with large inner diameter |
| CN202914026U (en) * | 2012-11-22 | 2013-05-01 | 中国石油集团渤海钻探工程有限公司 | Well cementation cement head |
| CN203162203U (en) * | 2013-03-15 | 2013-08-28 | 浙江万士通阀门有限公司 | Three-plate type internal thread ball valve |
| CN203395237U (en) * | 2013-07-10 | 2014-01-15 | 高工阀门股份有限公司 | Internal thread ball valve |
| CN203431244U (en) * | 2013-08-27 | 2014-02-12 | 北科阀门制造有限公司 | Three-way ball valve with sealing pre-tightening amount compensation function |
| CN203463710U (en) * | 2013-09-27 | 2014-03-05 | 温州金大阀门管件有限公司 | Three-piece-type tank bottom ball valve |
| CN203822254U (en) * | 2014-05-13 | 2014-09-10 | 常熟市石油固井工具有限公司 | Single plug and double plug quick clamp type cement head for sleeve pipe |
| CN104214360A (en) * | 2014-08-29 | 2014-12-17 | 苏州福润机械有限公司 | Ball valve |
| CN104832126A (en) * | 2015-05-15 | 2015-08-12 | 中国石油集团渤海钻探工程有限公司 | Anti-pollution well cementation method suitable for two stage and drilling liner cementation |
| CN105019858A (en) * | 2015-08-17 | 2015-11-04 | 中国海洋石油总公司 | High-temperature and high-pressure well three-rubber-plug cementing head device and cementing operation method |
| CN204877372U (en) * | 2015-08-17 | 2015-12-16 | 中国海洋石油总公司 | Three plugs of high temperature high pressure well well cementation cementing -head device |
| CN105276221A (en) * | 2015-10-16 | 2016-01-27 | 浙江埃尼斯阀门科技有限公司 | Multi-seal ball valve |
| WO2016130124A1 (en) * | 2015-02-12 | 2016-08-18 | Halliburton Energy Services, Inc. | Tracking and measurements associated with cement plugs |
| CN206280044U (en) * | 2016-12-07 | 2017-06-27 | 中国石油集团西部钻探工程有限公司 | cementing joint |
-
2016
- 2016-12-07 CN CN201611116476.7A patent/CN106522875A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035813A (en) * | 1988-05-27 | 1991-07-30 | Union Oil Company Of California | Process and composition for treating underground formations penetrated by a well borehole |
| CN2916116Y (en) * | 2006-01-24 | 2007-06-27 | 石凤岐 | Separated double-plug casing cement head |
| CN101038038A (en) * | 2007-04-20 | 2007-09-19 | 张长宗 | Hard sealing ball valve |
| CN202597755U (en) * | 2012-04-24 | 2012-12-12 | 上海星荣建设有限公司 | Medium and low pressure pipeline locking and pressing type connecting structure applied to valve |
| CN202832353U (en) * | 2012-08-22 | 2013-03-27 | 沈阳白云机械有限公司 | Straight-buckle fast connection cement head device with large inner diameter |
| CN102953707A (en) * | 2012-11-13 | 2013-03-06 | 中国石油化工股份有限公司 | Top-drive drill rod well cementing head |
| CN202914026U (en) * | 2012-11-22 | 2013-05-01 | 中国石油集团渤海钻探工程有限公司 | Well cementation cement head |
| CN203162203U (en) * | 2013-03-15 | 2013-08-28 | 浙江万士通阀门有限公司 | Three-plate type internal thread ball valve |
| CN203395237U (en) * | 2013-07-10 | 2014-01-15 | 高工阀门股份有限公司 | Internal thread ball valve |
| CN203431244U (en) * | 2013-08-27 | 2014-02-12 | 北科阀门制造有限公司 | Three-way ball valve with sealing pre-tightening amount compensation function |
| CN203463710U (en) * | 2013-09-27 | 2014-03-05 | 温州金大阀门管件有限公司 | Three-piece-type tank bottom ball valve |
| CN203822254U (en) * | 2014-05-13 | 2014-09-10 | 常熟市石油固井工具有限公司 | Single plug and double plug quick clamp type cement head for sleeve pipe |
| CN104214360A (en) * | 2014-08-29 | 2014-12-17 | 苏州福润机械有限公司 | Ball valve |
| WO2016130124A1 (en) * | 2015-02-12 | 2016-08-18 | Halliburton Energy Services, Inc. | Tracking and measurements associated with cement plugs |
| CN104832126A (en) * | 2015-05-15 | 2015-08-12 | 中国石油集团渤海钻探工程有限公司 | Anti-pollution well cementation method suitable for two stage and drilling liner cementation |
| CN105019858A (en) * | 2015-08-17 | 2015-11-04 | 中国海洋石油总公司 | High-temperature and high-pressure well three-rubber-plug cementing head device and cementing operation method |
| CN204877372U (en) * | 2015-08-17 | 2015-12-16 | 中国海洋石油总公司 | Three plugs of high temperature high pressure well well cementation cementing -head device |
| CN105276221A (en) * | 2015-10-16 | 2016-01-27 | 浙江埃尼斯阀门科技有限公司 | Multi-seal ball valve |
| CN206280044U (en) * | 2016-12-07 | 2017-06-27 | 中国石油集团西部钻探工程有限公司 | cementing joint |
Non-Patent Citations (1)
| Title |
|---|
| 李雷祥等: "一种新型固井碰压系统", 《石油机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360391A (en) * | 2020-12-09 | 2021-02-12 | 中国石油天然气集团有限公司 | Full-automatic wireless remote control well cementation cement head and use method |
| CN115217441A (en) * | 2022-07-27 | 2022-10-21 | 中海石油(中国)有限公司湛江分公司 | Ball-throwing device for cement injection plug and cement injection plug process thereof |
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Effective date of registration: 20201104 Address after: 100120 Beijing Xicheng District six laying Kang Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Applicant before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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