CN107255021A - Deliver unlocking device - Google Patents
Deliver unlocking device Download PDFInfo
- Publication number
- CN107255021A CN107255021A CN201710632674.7A CN201710632674A CN107255021A CN 107255021 A CN107255021 A CN 107255021A CN 201710632674 A CN201710632674 A CN 201710632674A CN 107255021 A CN107255021 A CN 107255021A
- Authority
- CN
- China
- Prior art keywords
- unlocking device
- device body
- hole
- groove
- dispensing
- 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.)
- Granted
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- 239000012530 fluid Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims 2
- 238000005553 drilling Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
Landscapes
- 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)
- Marine Sciences & Fisheries (AREA)
- Earth Drilling (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention relates to drilling well fishing tool technical field, it is a kind of dispensing unlocking device, including unlocking device body, retaining ring and screw, unlocking device body is cylindrical in shape, the lower inside of unlocking device body is provided with lower inner ring groove, the lower end inside of unlocking device body is provided with the big lower cone machine hole of small lower mouth suitable for reading, and lower inner ring groove is located above lower cone machine hole and has spacing between the two；Open slot is provided with along its axis direction on the side wall of unlocking device body, unlocking device outer body is from top to bottom intervally distributed with the retaining ring that the open slot that can close position is mounted by means of screws with least one outer groove, each outer groove.The present invention can solve to solve the replacing and maintenance of instrument by salvaging dispensing in the case where not pulling out of hole, instrument is exited by the unblock after card when can also complete to salvage in addition, it ensure that cable and salvage the safe handling of winch, operation is light, it is time saving and energy saving, convenient and efficient, can be greatly reduced operating cost, and can release the restriction to wellbore construction.
Description
Technical field
It is a kind of dispensing unlocking device the present invention relates to drilling well fishing tool technical field.
Background technology
At present, wireless drilling orientation device used in drilling well industry（MWD）Fishing tool only have locking without moving back
The function of going out, therefore bring very big difficulty to salvage.First, in directional drilling, once event occurs for instrument in well
Can only be pulled out of hole maintenance after barrier, and operation is wasted time and energy, and cost input is high.Second, when throw in catcher catch in well be salvaged instrument, but
It it was found that it is stuck in drilling tool when can not propose, can only be exited by breaking cable, so be also possible to that salvaging winch can be damaged,
Also can caused by cable is fallen into well to subsequent treatment difficulty.Therefore, it is impossible to which the fishing tool exited on demand can not only to bore
Well construction tedious process, wastes time and energy, and operating cost is high, and the speed-raising of also serious restriction wellbore construction puies forward effect；It is easily caused it simultaneously
The damage of his equipment, increases the input of cost, deficiency in economic performance.
The content of the invention
Unlocking device is delivered the invention provides one kind, the deficiency of above-mentioned prior art is overcome, it can effectively solve existing
Can not exiting on demand of existing of fishing tool, can not only cause wellbore construction tedious process, waste time and energy, operating cost is high,
The speed-raising of also serious restriction wellbore construction puies forward effect；The damage of other equipment is easily caused simultaneously, aggravates the input of cost, economic benefit
Poor the problem of.
The technical scheme is that realized by following measures：One kind dispensing unlocking device, including unlocking device body,
Retaining ring and screw, unlocking device body are cylindrical in shape, and the lower inside of unlocking device body is provided with lower inner ring groove, unlocking device body
End inner side is provided with the big lower cone machine hole of small lower mouth suitable for reading, and lower inner ring groove is located above lower cone machine hole and has spacing between the two；Solution
Lock on the side wall of device body along its axis direction provided with open slot, unlocking device outer body is from top to bottom intervally distributed with least one
The retaining ring for the open slot that can close position is mounted by means of screws with individual outer groove, each outer groove.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
The bottom of the unlocking device body of above-mentioned correspondence lower inner ring groove top position circumferentially can have at least one to cross fluid through-hole.
Crossing the setting of fluid through-hole can be easy to unlocking device body mud during descending thus to discharge, so as to reduce mud under it
Row resistance；User can be also easy to thus to locate operation in addition so that anti-hook part and inner groove depart from, so that by unlocking device and throw in catcher
Separate.
The upper inner of above-mentioned unlocking device body is provided with the upper inner ring groove for the distribution that can be centrosymmetric with lower inner ring groove, unblock
Upper cone machine hole provided with the distribution that is centrosymmetric with lower cone machine hole on the inside of the upper end of device body, correspondence upper inner ring groove lower position
The top of unlocking device body circumferentially has at least one to cross fluid through-hole.
Above-mentioned fluid through-hole of crossing can be slotted hole.
Above-mentioned unlocking device outer body can from top to bottom have three outer grooves uniformly at intervals.
Above-mentioned retaining ring can be split ring, and being fixed with the inwall of the retaining ring of corresponding opening groove location can be with unlocking device sheet
The circular arc fixture block for the full circle that body formation is seamlessly transitted.
Reasonable and compact in structure of the present invention, can enable the pulling pawl of throw in catcher smoothly import solution by the setting of lower cone machine hole
Throw in catcher is unlocked in lock device body, while lower inner ring groove may also act to anti-hook part, throw in catcher is kept released state, opens
The setting of mouth groove can make this physical efficiency of unlocking device be easy to be inserted on cable, and the setting of retaining ring can block open slot, it is to avoid unlocking device
Body is slipped from cable, thus can effectively solve to solve the replacing of instrument by salvaging dispensing in the case where not pulling out of hole
And maintenance, instrument is exited by the unblock after card when also can complete to salvage in addition, it is ensured that cable and the safe handling for salvaging winch,
Operation is light, time saving and energy saving, convenient and efficient, and operating cost can be greatly reduced, and releases the restriction to wellbore construction, and can effectively keep away
Exempt from the damage to equipment, economic benefits, with good economic value, it is easy to promote.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of preferred embodiment.
Accompanying drawing 2 is the vertical view mplifying structure schematic diagram of unlocking device body in accompanying drawing 1.
Accompanying drawing 3 is the vertical view mplifying structure schematic diagram of retaining ring in accompanying drawing 1.
Accompanying drawing 4 is the broken section structural representation of accompanying drawing 1 in the operating condition.
Coding in accompanying drawing is respectively：1 is unlocking device body, and 2 be retaining ring, and 3 be screw, and 4 be lower inner ring groove, under 5 are
Cone machine hole, 6 be open slot, and 7 be throw in catcher, and 8 be pulling pawl, and 9 be anti-hook part, and 10 be fluid through-hole, and 11 be upper inner ring groove, and 12 are
Upper cone machine hole, 13 be circular arc fixture block.
Embodiment
The present invention is not limited by following embodiments, can technique according to the invention scheme and actual conditions it is specific to determine
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 be 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 determined.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in accompanying drawing 1,2,3,4, the dispensing unlocking device includes unlocking device body 1, retaining ring 2 and screw 3, unlocking device body 1
Cylindrical in shape, the lower inside of unlocking device body 1 is provided with lower inner ring groove 4, and the lower end inside of unlocking device body 1 is provided with small lower mouth suitable for reading
Big lower cone machine hole 5, lower inner ring groove 4 is located at the lower top of cone machine hole 5 and has spacing between the two；On the side wall of unlocking device body 1
Open slot 6 is provided with along its axis direction, the outside of unlocking device body 1 is from top to bottom intervally distributed with least one outer groove, each
The retaining ring 2 for the open slot 6 that can close position is installed with outer groove by screw 3.The present invention is used to make throwing
Drag for device 7 to unlock, specific operating mode includes：1st, after the wireless drilling orientation device repaired is put into well by throw in catcher 7, with this
The locking office of throw in catcher 7 is opened in invention, realizes unblock, so as to successfully play out throw in catcher after release wireless drilling orientation device
7, allow wireless drilling orientation device to work on；2nd, there is stuck, nothing when salvaging wireless drilling orientation device by throw in catcher 7
When method continues fishing, the locking of throw in catcher 7 office is opened with the present invention, unblock is realized so that throw in catcher 7 with it is wireless
Orientation with drilling instrument departs from backed off after random, so that it is guaranteed that the safety of winch and cable；The throw in catcher 7 used cooperatively with the present invention should edge
Circumference is provided with least two pulling pawls 8, and all pulling pawls 8 should be able to be imported in unlocking device body 1 by lower cone machine hole 5, pulling pawl 8
Top can enter unlocking device body 1 after be extruded inward and so that the bottom of pulling pawl 8, which is expanded outwardly, realizes throw in catcher 7
Unblock, so that throw in catcher 7 can be separated with wireless drilling orientation device, and the upper outside of pulling pawl 8 should have and can be stuck in lower
Anti- hook part 9 in annular groove 4；The present invention is as follows for the use process of operating mode 1（The present invention can make retaining ring 2 and solution before
Lock device body 1 and first keep separation, the use process of the invention for operating mode 2 is with reference to following steps<2>Extremely<5>）：<1>
Wireless drilling orientation device is sent into operating position in well using throw in catcher 7, record winch tension data is simultaneously sat after key, with blocking
Thing closes well head drilling tool box end, prevents junk,<2>Well head unlocking device body 1 is inserted in wired winch cable and on
Tight retaining ring 2, it is now appropriate to tense 1-3 meters of cable, prevent cable from thering is bending discounting phenomenon to ensure unlocking device sheet in drilling tool
Body 1 it is smooth descending,<3>Take down shelter, unclamping unlocking device body 1 makes to throw into drilling tool under it, and according to actual well depth and
The downstream rate of unlocking device body 1（Experimental test data are 150m/min）To determine the time at bottom, unlocking device body 1 is reached
The locking office of throw in catcher 7 is opened under gravity behind the position of throw in catcher 7 and unlocked,<4>Upper portable cable, and according to strand
Whether the display data of car tensiometer succeeds to judge to deliver, if do not succeeded, it is short-range in well on put and put several times
Help is unlocked,<5>Judge after delivering successfully that upper portable cable acts dispenser, informs that drilling team connects kelly bar and opened from tensiometer data
Pump circulation, it is to be recycled it is normal after check whether instrument signal normal, otherwise the normal then job success of signal salvages and delivers instrument again
Device.Reasonable and compact in structure of the present invention, can enable the pulling pawl 8 of throw in catcher 7 smoothly import unblock by the setting of lower cone machine hole 5
Unlock throw in catcher 7 in device body 1, while lower inner ring groove 4 may also act to anti-hook part 9, throw in catcher 7 is kept unblock shape
State, the setting of open slot 6 can enable unlocking device body 1 be easy to be inserted on cable, and the setting of retaining ring 2 can block open slot 6, keep away
Exempt from unlocking device body 1 to slip from cable, thus can effectively solve to solve by salvaging dispensing in the case where not pulling out of hole
The replacing and maintenance of instrument, instrument is exited by the unblock after card when also can complete to salvage in addition, it is ensured that cable and salvaging winch
Safe handling, operation is light, and operating cost can be greatly reduced in time saving and energy saving, convenient and efficient, release the system to wellbore construction
About, and the damage to equipment, economic benefits, with good economic value, it is easy to promote can be prevented effectively from.According to need
Ask, the present invention cannot be only used for the unblock operation of the throw in catcher 7, it may also be used for similar to the structure of throw in catcher 7 is other
The unblock operation of instrument.Above-mentioned dispensing unlocking device can be made further optimization and/or improvements according to actual needs：
As shown in accompanying drawing 1,2,3,4, the bottom of the unlocking device body 1 of the top position of correspondence lower inner ring groove 4 circumferentially have to
Few one is crossed fluid through-hole 10.Crossing the setting of fluid through-hole 10 can be easy to the mud during descending of unlocking device body 1 thus to discharge,
So as to reduce friction in down stroke of the mud to it；User can be also easy to thus to locate operation in addition so that anti-hook part 9 takes off with inner groove
From so that unlocking device be separated with throw in catcher 7.According to demand, under the unlocking device body 1 of the top position of correspondence lower inner ring groove 4
Portion is uniformly distributed with two along the circumference and crosses fluid through-hole 10；The quantity for crossing fluid through-hole 10 can be consistent with the number of the pulling pawl 8 of throw in catcher 7,
Anti- hook part 9 and the disengaging of inner groove can be so easy to operate.
As shown in accompanying drawing 1,2,3,4, the upper inner of unlocking device body 1 is provided with to be centrosymmetric distribution with lower inner ring groove 4
Upper inner ring groove 11, the upper cone machine hole 12 provided with the distribution that is centrosymmetric with lower cone machine hole 5 on the inside of the upper end of unlocking device body 1,
The top of the unlocking device body 1 of the lower position of correspondence upper inner ring groove 11 circumferentially has at least one to cross fluid through-hole 10.So
The upper and lower part of the present invention can be made to use identical structure, so that it need not differentiate direction when in use, further simplified
Operating process, improves efficiency of construction.
As shown in accompanying drawing 1,2,3,4, it is slotted hole to cross fluid through-hole 10.The circulation of mud is so may not only facilitate, can also be made
Anti- hook part 9 and the disengaging operation of inner groove are more convenient and strength-saving.
As shown in accompanying drawing 1,2,3,4, from top to bottom there are three outer grooves in the outside of unlocking device body 1 uniformly at intervals.So may be used
Make the present invention more smooth along the descending process of cable.
As shown in accompanying drawing 1,2,3,4, retaining ring 2 is solid on split ring, the inwall of the retaining ring 2 of the position of corresponding opening groove 6
Surely there is the circular arc fixture block 13 for the full circle that can be seamlessly transitted with the formation of unlocking device body 1.According to demand, the angle of circumference of split ring can be
Between 60 ° to 120 °, preferably 105 °, it can so make the easier for installation laborsaving of its retaining ring 2, and stability is good；Circular arc
The setting of fixture block can effectively prevent cable to be caught in open slot 6, make the descending more smooth of unlocking device body 1, and be avoided that this
Invention causes damage during descending to cable.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect
Really, non-essential technical characteristic can be increased and decreased according to actual needs, to meet the demand of different situations.
Claims (10)
1. one kind delivers unlocking device, it is characterised in that including unlocking device body, retaining ring and screw, unlocking device body is cylindrical in shape,
The lower inside of unlocking device body is provided with lower inner ring groove, and the lower end inside of unlocking device body is provided with the big lower frustum of small lower mouth suitable for reading
Hole, lower inner ring groove is located above lower cone machine hole and has spacing between the two；Set on the side wall of unlocking device body along its axis direction
There is open slot, unlocking device outer body, which is from top to bottom intervally distributed with least one outer groove, each outer groove, passes through spiral shell
Nail is installed with the retaining ring for the open slot that can close position.
2. dispensing unlocking device according to claim 1, it is characterised in that the unlocking device sheet of correspondence lower inner ring groove top position
The bottom of body circumferentially has at least one to cross fluid through-hole, crosses the setting of fluid through-hole and can be easy to unlocking device body in descending process
Thus middle mud can discharge, so as to reduce friction in down stroke of the mud to it；User can be also easy to thus to locate operation in addition so that anti-
Hook part departs from inner groove, so that unlocking device be separated with throw in catcher.
3. dispensing unlocking device according to claim 1, it is characterised in that the upper inner of unlocking device body be provided with it is lower interior
Annular groove is centrosymmetric the upper inner ring groove of distribution, is provided with and is centrosymmetric distribution with lower cone machine hole on the inside of the upper end of unlocking device body
Upper cone machine hole, the top of the unlocking device body of correspondence upper inner ring groove lower position circumferentially has at least one to cross liquid to lead to
Hole.
4. dispensing unlocking device according to claim 2, it is characterised in that the upper inner of unlocking device body be provided with it is lower interior
Annular groove is centrosymmetric the upper inner ring groove of distribution, is provided with and is centrosymmetric distribution with lower cone machine hole on the inside of the upper end of unlocking device body
Upper cone machine hole, the top of the unlocking device body of correspondence upper inner ring groove lower position circumferentially has at least one to cross liquid to lead to
Hole.
5. the dispensing unlocking device according to claim 2 or 4, it is characterised in that it is slotted hole to cross fluid through-hole.
6. the dispensing unlocking device according to claim 1 or 2 or 3 or 4, it is characterised in that unlocking device outer body is from top to bottom
There are three outer grooves uniformly at intervals.
7. dispensing unlocking device according to claim 5, it is characterised in that unlocking device outer body is from top to bottom uniformly at intervals
There are three outer grooves.
8. the dispensing unlocking device according to claim 1 or 2 or 3 or 4 or 7, it is characterised in that retaining ring is split ring, correspondence
The circular arc fixture block for the full circle that can be seamlessly transitted with the formation of unlocking device body is fixed with the inwall of the retaining ring of open slot position.
9. dispensing unlocking device according to claim 5, it is characterised in that retaining ring is split ring, corresponding opening groove location
The circular arc fixture block for the full circle that can be seamlessly transitted with the formation of unlocking device body is fixed with the inwall of retaining ring.
10. dispensing unlocking device according to claim 6, it is characterised in that retaining ring is split ring, corresponding opening groove location
Retaining ring inwall on be fixed with the circular arc fixture block of full circle that can be seamlessly transitted with the formation of unlocking device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632674.7A CN107255021B (en) | 2017-07-28 | 2017-07-28 | Releasing unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632674.7A CN107255021B (en) | 2017-07-28 | 2017-07-28 | Releasing unlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107255021A true CN107255021A (en) | 2017-10-17 |
| CN107255021B CN107255021B (en) | 2023-07-28 |
Family
ID=60025358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710632674.7A Active CN107255021B (en) | 2017-07-28 | 2017-07-28 | Releasing unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255021B (en) |
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