CN110469276A - A kind of dead card pushed up on anti-pipe tool - Google Patents
A kind of dead card pushed up on anti-pipe tool Download PDFInfo
- Publication number
- CN110469276A CN110469276A CN201910752438.8A CN201910752438A CN110469276A CN 110469276 A CN110469276 A CN 110469276A CN 201910752438 A CN201910752438 A CN 201910752438A CN 110469276 A CN110469276 A CN 110469276A
- Authority
- CN
- China
- Prior art keywords
- slips
- ontology
- throw
- out collar
- cone
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000003208 petroleum Substances 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003209 petroleum derivative Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000002343 natural gas well Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
Abstract
The invention discloses the dead cards pushed up on a kind of anti-pipe tool, comprising: ontology, the bottom of ontology are mounted on wellhead blowout preventor group drilling fluid outlet or more, the middle part of ontology be equipped with for pipe tool across through-hole；Multiple slips, multiple slips are uniformly distributed on the body, and slips can be vertical up and down and to center movement on the body；The slip insert of slips stretches in the through-hole of ontology, and the slip insert of multiple slips constitutes the card chamber for clamping pipe tool；Slips cone, slips cone are mounted on the top of ontology, the middle part of slips cone be equipped with for pipe tool across conical cavity；Slips throw-out collar, slips throw-out collar cover on the body, and the bottom of the slope correspondence of slips is against on the inclined-plane shifting block of slips throw-out collar；When pushing up slips throw-out collar, slips throw-out collar drives slips to assemble to center, and slip insert is made to sting tight pipe tool, to solve the problems, such as to push up on the tool of pipe caused by due to petroleum blowout.The response time that the present invention extremely blocks is short, and the clamping to pipe tool can be rapidly completed；Meanwhile structure is simple, coupling mechanism force is strong.
Description
Technical field
The invention belongs to petroleum natural gas exploration well control safety equipment technical field, it is related to pushing up on a kind of anti-pipe tool
Dead card, and in particular to a kind of to prevent pipe from having the dead card ejected by pressure during petroleum and natural gas well spray.
Background technique
It is existing during petroleum natural gas exploration wellbore construction, since petroleum gas blowout can occur, because
This need to have (drilling tool) to pipe and be locked to prevent from pushing up on the tool of pipe caused by due to petroleum gas blowout.
Existing pipe has locking device are as follows: when blowout occurs on pipe tool setting two halves circle fixture, by bolt or
Screw will extremely be stuck in kelly bar or pipe tool on, then using wirerope to after locking kelly bar or pipe have and derrick draw
It fastens.
Defect existing for existing pipe tool locking device are as follows: field installation time is long, cannot timely cope with because petroleum is natural
Gas well spray and caused by pipe tool on push up (there may come a time when because borehole pressure is excessively high or other reasons have little time to install)；Meanwhile it utilizing
The locking mode of wirerope and fixture, fixing intensity are poor.
Summary of the invention
Aiming at the shortcomings existing in the above problems, the present invention provides the dead card pushed up on a kind of anti-pipe tool.
The invention discloses the dead cards pushed up on a kind of anti-pipe tool, comprising:
Ontology, the bottom of the ontology are mounted on wellhead blowout preventor group drilling fluid outlet or more, set in the middle part of the ontology
Have for pipe tool across through-hole；
Multiple slips, uniformly on the body, the slips can be vertical upper and lower on the body for multiple slips
And to center movement；The slip insert of the slips stretches in the through-hole of the ontology, and the slip insert of multiple slips is constituted
Card chamber for clamping pipe tool；
Slips cone, the slips cone are mounted on the top of the ontology, and the middle part of the slips cone is equipped with for pipe
Have across conical cavity；
Slips throw-out collar, the slips throw-out collar are mounted on the body, and the bottom of the slope correspondence of the slips is against institute
It states on the inclined-plane shifting block of slips throw-out collar；When pushing up the slips throw-out collar, the slips throw-out collar drives the slips in
Heart aggregation makes the slip insert sting tight pipe tool.
As a further improvement of the present invention, it awaits orders under operating condition, it is the conical cavity of pipe tool and the slips cone, described
The through-hole of ontology, the card chamber do not contact.
As a further improvement of the present invention, the top of the ontology is equipped with and matches with the conical cavity of the slips cone
Cone head.
As a further improvement of the present invention, the corresponding slips is equipped with multiple slips receiving holes, institute on the ontology
The two sides for stating slips receiving hole are equipped with the first slips limited block, and the two sides of the slips are equipped with and the first slips limited block phase
Second slips limited block of cooperation.
As a further improvement of the present invention, the corresponding slips receiving hole is oriented to equipped with multiple throw-out collars on the ontology
The inclined-plane shifting block correspondence of slot, the slips throw-out collar is placed in the throw-out collar guide groove.
It as a further improvement of the present invention, further include tension spring；
The tension spring is connected between the slips throw-out collar and slips, and when slips moves upwards, the tension spring is not acted on；
When de-chucking state restore to await orders operating condition when, the slips throw-out collar playbacks in advance under the action of from gravity, when drilling tool to
The tension spring effect retracts the slips on home when lower activity.
As a further improvement of the present invention, the bottom of the slope of the slips be straight inclined-plane, the inclined-plane shifting block for institute
State the straight inclined-plane that the bottom of the slope of slips matches.
As a further improvement of the present invention, the slips includes slips ontology and the slip insert, the slips ontology
It is an integral structure with the slip insert or detachable structure；
When the slips ontology and the slip insert are detachable structure, the slips ontology be equipped with bottom opening,
The slot that top blocks；In the slip insert insertion slot, the bottom of the bottom of the slip insert and the slips ontology
Portion is fixed.
As a further improvement of the present invention, the slip insert is to set one's teeth on edge.
As a further improvement of the present invention, the horn mouth for guide pipe tool is installed at the top of the slips cone.
Compared with prior art, the invention has the benefit that
In use, the ontology lower end extremely blocked is mounted on wellhead blowout preventor group drilling fluid outlet or more, pipe has from upper the present invention
Under pass through the through-hole of the conical cavity of slips cone, ontology after carry out drilling well；It awaits orders under operating condition, the taper of pipe tool and slips cone
The card chamber that chamber, the through-hole of ontology, slips are centrally formed does not contact；When petroleum blowout occurs, by it is pneumatic, surge or other
Driving method driving slips throw-out collar moves upwards, and slips is driven to assemble to center, so that the slip insert of slips is stung tight pipe tool, to solve
Problem is pushed up on the tool of pipe caused by certainly due to petroleum blowout；
The response time that the present invention extremely blocks is short, and the clamping to pipe tool can be rapidly completed；Meanwhile structure is simple, coupling mechanism force is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram extremely blocked pushed up on anti-pipe tool disclosed in an embodiment of the present invention；
Fig. 2 is the explosive decomposition figure extremely blocked pushed up on anti-pipe tool disclosed in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of slips cone in Fig. 1 or Fig. 2；
Fig. 4 is the structural schematic diagram of ontology in Fig. 1 or Fig. 2；
Fig. 5 is the structural schematic diagram of slips in Fig. 1 or Fig. 2；
Fig. 6 is the structural schematic diagram of slips throw-out collar in Fig. 1 or Fig. 2；
Fig. 7 is the inserting slot construction schematic diagram of slips in Fig. 1 or Fig. 2.
In figure:
1, slips cone；2, conical cavity；3, ontology；4, cone head；5, slips receiving hole；6, throw-out collar guide groove；7, first
Slips limited block；8, slips；9, slip insert；10, the second slips limited block；11, slips throw-out collar；12, inclined-plane shifting block.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
The present invention is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, 2, the present invention provides the dead card pushed up on a kind of anti-pipe tool, specially a kind of during oil well spray
Prevent pipe from having the dead card being ejected；Comprising: slips cone 1, ontology 3, multiple slips 8 and slips throw-out collar 11；Wherein:
The bottom of ontology 3 of the invention is mounted on wellhead blowout preventor group drilling fluid outlet or more, and the middle part of ontology 3, which is equipped with, to be supplied
Pipe tool across through-hole, the preferably circular through-hole of the through-hole；Multiple slips 8 are uniformly distributed on the body 3, and slips 8 can erect on the body 3
Directly up and down and to center movement；Moving up slips along cone-shaped cavity by the design of cone-shaped cavity and taper slips causes pipe to have
Become smaller with through-hole annular gap until clamping pipe has, having pipe cannot activity upwards；The slip insert 9 of slips 8 stretches to ontology 3
In through-hole, the slip insert of multiple slips 8 constitutes the card chamber for clamping pipe tool, the preferably circular through-hole of card chamber；Slips cone 1 is pacified
Mounted in the top of ontology 3, the middle part of slips cone 1 be equipped with for pipe tool across conical cavity 2；11 sets of slips throw-out collar is on the body 3
And can move up and down on the body 3, the bottom of the slope correspondence of slips 8 is against on the inclined-plane shifting block 12 of slips throw-out collar 11.
In use, 3 lower end of ontology extremely blocked is mounted on wellhead blowout preventor group drilling fluid outlet or more, pipe has from upper the present invention
Under pass through the through-hole of the conical cavity of slips cone, ontology after carry out drilling well；It awaits orders under operating condition, the taper of pipe tool and slips cone
The card chamber that chamber, the through-hole of ontology, slips are centrally formed does not stress contact；When petroleum blowout occurs, when pushing up slips
When throw-out collar 11, the inclined-plane shifting block 12 of slips throw-out collar 11 drives slips 8 to assemble to center, so that slip insert is stung tight pipe tool, completes pipe tool
Clamping.
It is specific:
As shown in figure 3, slips cone 1 of the invention can be selected up-small and down-big stepped cylindrical structure, in slips cone 1
Portion is equipped with up-small and down-big conical cavity 2；Slips cone 1 is used to limit the upper end of slips, the design principle of 2 angle of conical cavity are as follows:
Slips 8 slips facing at it is vertical when, the tapered surface of conical cavity 2 is close to the long side of slip insert 9.The design of above-mentioned conical cavity 2
When guaranteeing that slips 8 moves upwards under the driving of slips throw-out collar 11, it is always circular through hole that slips 8, which is formed by card chamber,.
The upper cylinder top surface of slips cone 1 of the present invention is equipped with threaded hole, can be pacified in slips cone 1 by the threaded hole
Horn mouth is filled, is had for guide pipe；It is correspondingly provided with bolt hole on the lower cylinder and ontology 3 of slips cone 1 of the present invention, for passing through
It is bolted slips cone 1 and ontology 3.
As shown in figure 4, ontology 3 of the invention be top cone head 4, lower part cylinder structure, the male cone (strobilus masculinus) of cone head 4 with
Conical cavity 2 matches, and cone head 4 is inserted into the conical cavity 2 of slips cone 1 when installation, and slips cone 1 is mounted on by bolt
On the lower part cylinder of body 3.The present invention is equipped with multiple slips on the top cone head 4 of ontology 3 and the vertical direction of lower part cylinder
Receiving hole 5, slips receiving hole 5 pass through slips receiving hole 5 for the slip insert 9 of slips 8 and stretch in the through-hole of ontology 3.Meanwhile
To prevent slips 8 without falling into the through-hole of ontology 3, the present invention is equipped with the first slips limited block 7 in the two sides of slips receiving hole 5,
The two sides of slips 8 are equipped with the second slips limited block 10 matched with the first slips limited block 7；In use, the first slips limits
Block 7 resists the second slips limited block 10, fall into slips 8 can not in the through-hole of ontology 3.
The present invention is correspondingly provided with throw-out collar guide groove 6 in the outside of slips receiving hole 5 in the lower part cylinder of ontology 3, and throw-out collar is led
The rotary stopper of slips throw-out collar 11 is used for slot 6.
As shown in figure 5, slips 8 of the invention includes slips ontology and slip insert 9, the two sides of slips ontology are equipped with the second card
Watt limited block 10；Slips ontology and slip insert 9 can be an integral structure or detachable structure, when slips ontology and slip insert 9 are
When integral structure, machining can be used and be integrally formed；When slips ontology and slip insert 9 are detachable structure, slips
The slot that ontology is equipped with bottom opening, top blocks, as shown in Figure 7；After slip insert 9 is inserted into slot, by the bottom of slip insert 9
Portion and the bottom of slips ontology are fixed by bolt or screw；When requiring replacement, it is only necessary to demounting bolt or bolt, extraction slips
Tooth 9, the slip insert more renewed；Without entirely replacing slips.
As shown in fig. 6, slips throw-out collar 11 of the invention includes oblique on slips throw-out collar ontology and slips throw-out collar inner body wall
The inclined-plane shifting block 12 of face shifting block 12, slips throw-out collar 11 is placed in throw-out collar guide groove 6, to make slips throw-out collar 11 can be on the body 3
It moves up and down, but non-rotatable；The bottom of the slope correspondence of slips 8 is against on inclined-plane shifting block 12；Wherein, the bottom of the slope of slips is
Straight inclined-plane, inclined-plane shifting block 12 are the straight inclined-plane matched with the bottom of the slope of slips.In use, passing through inclined-plane shifting block 12 and slips
The inclined-plane of 8 the bottom of the slope cooperates, and when slips throw-out collar 11 moves upwards, drives slips 8 upwards and to center movement, to make card
Watt tooth 9 stings tight pipe tool, completes clamping.
Also tension spring can be arranged between slips throw-out collar and slips in the present invention；When slips moves upwards, tension spring is not acted on；When
De-chucking state restore to await orders operating condition when, slips throw-out collar playbacks in advance under the action of from gravity, when drilling tool moves downward
When tension spring effect slips is retracted on home.
Pneumatically or hydraulically structure can be used in the driving mechanism that the present invention drives slips throw-out collar 11 to move up and down, specifically: it can
Slips throw-out collar 11 is connected by linkage using cylinder, slips throw-out collar 11 is driven to move up and down；Or passed through using hydraulic press
Linkage connects slips throw-out collar 11, and slips throw-out collar 11 is driven to move up and down；Above-mentioned linkage is connection cylinder rod or hydraulic
The connector of extension bar and slips throw-out collar 11, while above-mentioned drive connection mode is existing conventional connection type, therefore herein not
It elaborates.
Further, slip insert 9 of the invention is structure of setting one's teeth on edge, and the intensity of slip insert 9 is greater than the intensity of pipe tool；Tight pipe can be stung
Tool prevents the ejection upwards of pipe tool.
Further, the quantity of slips 8 of the invention be at least two, preferably as shown in the figure 4；The quantity of slips 8 with
Slips receiving hole 5, throw-out collar guide groove 6, the quantity of inclined-plane shifting block 12 are consistent.
Further, the present invention extremely block in the material of each component can select according to actual needs, guarantee tensile strength etc.
Performance
When the present invention installs:
Ontology 3 is mounted on wellhead blowout preventor group drilling fluid outlet or more, slips throw-out collar 11 is covered from top to bottom in ontology 3
On, on the body 3 by the corresponding installation of four slips 8, slips cone 1 is finally installed.
When the present invention uses:
The ontology lower end extremely blocked is mounted on wellhead blowout preventor group drilling fluid outlet or more, and pipe tool passes through slips under upper and bores
Drilling well is carried out after the conical cavity of body, the through-hole of ontology；Await orders under operating condition, pipe tool and the conical cavity of slips cone, ontology through-hole,
The card chamber that slips is centrally formed does not contact；When petroleum blowout occurs, by it is pneumatic, surge or other driving method driving cards
Watt throw-out collar moves upwards, and slips is driven to assemble to center, so that the slip insert of slips is stung tight pipe tool, to solve due to petroleum blowout
Caused by pipe tool on push up problem.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the dead card pushed up on a kind of anti-pipe tool characterized by comprising
Ontology, the bottom of the ontology are mounted on wellhead blowout preventor group drilling fluid outlet or more, and the middle part of the ontology, which is equipped with, to be supplied
Pipe tool across through-hole；
Multiple slips, multiple slips are uniformly distributed on the body, the slips can on the body it is vertical up and down and to
Center movement；The slip insert of the slips stretches in the through-hole of the ontology, and the slip insert composition of multiple slips is used for
The card chamber of clamping pipe tool；
Slips cone, the slips cone are mounted on the top of the ontology, and the middle part of the slips cone is equipped with wears for pipe tool
The conical cavity crossed；
Slips throw-out collar, on the body, the bottom of the slope correspondence of the slips is against the slips for the slips throw-out collar installation
On the inclined-plane shifting block of throw-out collar；When pushing up the slips throw-out collar, the slips throw-out collar drives the slips to assemble to center,
The slip insert is set to sting tight pipe tool.
2. dead card as described in claim 1, which is characterized in that it awaits orders under operating condition, the cone of the pipe tool and the slips cone
Shape chamber, the through-hole of the ontology, the card chamber do not contact.
3. dead card as described in claim 1, which is characterized in that the top of the ontology is equipped with the taper with the slips cone
The cone head that chamber matches.
4. dead card as described in claim 1, which is characterized in that the corresponding slips holds equipped with multiple slips on the ontology
Receive hole, the two sides of the slips receiving hole are equipped with the first slips limited block, and the two sides of the slips are equipped with and first slips
The second slips limited block that limited block matches.
5. dead card as claimed in claim 4, which is characterized in that the corresponding slips receiving hole is equipped with multiple on the ontology
The inclined-plane shifting block correspondence of throw-out collar guide groove, the slips throw-out collar is placed in the throw-out collar guide groove.
6. dead card as described in claim 1, which is characterized in that further include tension spring；
The tension spring is connected between the slips throw-out collar and slips, and when slips moves upwards, the tension spring is not acted on；Work as solution
Except gripping orientation restore to await orders operating condition when, the slips throw-out collar playbacks in advance under the action of from gravity, when drilling tool is lived downwards
The tension spring effect retracts the slips on home when dynamic.
7. dead card as described in claim 1, which is characterized in that the bottom of the slope of the slips is straight inclined-plane, and the inclined-plane is dialled
Block is the straight inclined-plane matched with the bottom of the slope of the slips.
8. card as described in claim 1 dead, which is characterized in that the slips includes slips ontology and the slip insert, described
Slips ontology and the slip insert are an integral structure or detachable structure；
When the slips ontology and the slip insert are detachable structure, the slips ontology is equipped with bottom opening, top
The slot of closure；When the slip insert is inserted into the slot, the bottom of the bottom of the slip insert and the slips ontology is solid
It is fixed.
9. dead card as described in claim 1, which is characterized in that the slip insert is to set one's teeth on edge.
10. dead card as described in claim 1, which is characterized in that be equipped at the top of the slips cone and have for guide pipe
Horn mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752438.8A CN110469276A (en) | 2019-08-15 | 2019-08-15 | A kind of dead card pushed up on anti-pipe tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752438.8A CN110469276A (en) | 2019-08-15 | 2019-08-15 | A kind of dead card pushed up on anti-pipe tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469276A true CN110469276A (en) | 2019-11-19 |
Family
ID=68510796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910752438.8A Pending CN110469276A (en) | 2019-08-15 | 2019-08-15 | A kind of dead card pushed up on anti-pipe tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469276A (en) |
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| Title |
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| 魏立艳;: "不压井双游动卡瓦连续起下管柱作业装置", 中国设备工程, no. 07, 10 April 2018 (2018-04-10), pages 143 - 144 * |
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