CN109882106A - A kind of measurement while drilling efficiently enters well-fishing tool - Google Patents
A kind of measurement while drilling efficiently enters well-fishing tool Download PDFInfo
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- CN109882106A CN109882106A CN201910230631.5A CN201910230631A CN109882106A CN 109882106 A CN109882106 A CN 109882106A CN 201910230631 A CN201910230631 A CN 201910230631A CN 109882106 A CN109882106 A CN 109882106A
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- top connection
- inner cavity
- fishing head
- well
- lower contact
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Abstract
The present invention relates to the measurement while drillings of drilling well and well logging field in a kind of oil and gas industry efficiently to enter well-fishing tool.It can effectively solve the problems, such as that a keyed steering tool enters well low efficiency.Its technical solution: fishing head lower part is placed in top connection, taper mushroom cap is set as at the top of fishing head, cooperate in the middle part of fishing head with top connection inner cavity upper gap, pass through connection pin connection between small end and fishing head lower boss, it is connected between connecting rod lower end and braced wing by shear pin, passes through positioning pin connection between the semicircle boss in the middle part of braced wing and top connection；Top connection outer circle lower part is provided with one section of gingival cyst of mucous gland in the newborn button, and lower contact inner cavity top is provided with gingival cyst of mucous gland in the newborn button, and top connection lower end is connect with lower contact upper end by gingival cyst of mucous gland in the newborn button；An annular slot is provided near the inner cavity end face of lower contact bottom.What the present invention greatly improved steering tool enters well efficiency, and the tool of saving enters the well time, saved construction cost.
Description
Technical field
The present invention relates to the measurement while drillings of drilling well and well logging field in a kind of oil and gas industry efficiently to enter well-salvaging
Tool.
Background technique
Steering tool is mainly used for drilling team's measurement while drilling well track parameter of constructing, comprising: hole angle, azimuth, work
Have face angle and auxiliary parameter such as temperature etc..Wherein seat keyed steering tool can efficiently use a direction in key decision means face,
It identifies hole angle, azimuth, is conducive to orientation construction.Seat keyed steering tool needs to place it in a drill string when entering well construction
It is interior, there is the bonded head of seat to cooperate with it in drill string intracavity bottom；If under drill string carries after seat keyed steering tool enters well
Enter excessive velocities, will lead to borehole fluid and sprung up upwards along drill string inner cavity, the resistance of drilling fluid or buoyancy cause with brill at this time
Measuring instrument floats along drill string inner cavity, in turn results in steering tool and is detached from the bonded head of seat, can not work normally steering tool.
Now at present construction drilling team in order to prevent steering tool because drilling tool running speed it is too fast caused by the above problem, to steering tool
Tripping in process has carried out strict control, such as: (1) quiet run is answered in going down process, is prevented to stop suddenly, be put suddenly, well head operation is wanted
Forbid junk in drilling rod, in order to avoid damage instrument；(2) turn on pump operation is steady, and discharge capacity, pump pressure is kept uniformly to rise；(3) stringent control
Running speed processed, each column decentralization time control was at 1 minute or more.This series of operation restriction lessens construction
Efficiency, the tool of considerably increasing enter the well time, increase construction cost.Simultaneously as steering tool is expensive, therefore work as
When accident occurs in measurement while drilling construction, drilling team, which needs to be salvaged as possible, to be come, even if other drilling tools under abandoned well.
Based on above-mentioned technical background, the present invention provides a kind of measurement while drillings efficiently to enter well-fishing tool, effectively improves seat
Keyed steering tool enters the efficiency of well, reduces operating cost.
Summary of the invention
The purpose of the present invention is: in order to solve a keyed steering tool under drill string when well construction because running speed is too fast
The problem of causing steering tool often to take off key, quickly and effectively completes to work into well, provides a kind of measurement while drilling and efficiently enter
Well-fishing tool.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of measurement while drilling efficiently enters well-salvaging work
Tool, is by fishing head, O-ring seal, top connection, connecting pin, connecting rod, positioning pin, shear pin, braced wing, lower contact and locking clamp
Ring is constituted.It is characterized in that: fishing head lower part is placed in top connection, taper mushroom cap, fishing head middle part are set as at the top of fishing head
Cooperate with top connection inner cavity upper gap, is provided with O-shaped sealing between external cylindrical surface and top connection inner cavity top in the middle part of fishing head
Circle is uniformly arranged in fishing head lower circumference there are three rectangular boss, is provided with pin hole in rectangular boss, small end and is beaten
It fishes out between head lower boss through connection pin connection, is connected between connecting rod lower end and braced wing by shear pin, shear pin is by A3 steel
Material is made；Top connection inner cavity top is provided with a step cutting pattern face, is circumferentially uniformly arranged in the middle part of top connection there are three rectangular straight slot,
Half round boss is provided with immediately below each rectangular straight slot in the middle part of the top connection, is provided with pin hole on semicircle boss,
Pass through positioning pin connection between semicircle boss in the middle part of braced wing and top connection；Top connection outer circle lower part is provided with one section of gingival cyst of mucous gland in the newborn
Button, lower contact inner cavity top are provided with gingival cyst of mucous gland in the newborn button, and top connection lower end is connect with lower contact upper end by gingival cyst of mucous gland in the newborn button；Top connection lower part
The deep gouge of perforation together is equipped with along generatrix direction, the depth of deep gouge is greater than the length of top connection outer circle lower part gingival cyst of mucous gland in the newborn button, lower contact
Bottom is provided with an inner cavity, which is cone, is provided with an annular slot near the inner cavity end face of lower contact bottom,
It is fixed between lower contact bottom inner cavity and mushroom head with shackle.
The beneficial effects of the present invention are: the configuration of the present invention is simple is reliable, the spy formed after drill string pin and box sub docking is utilized
Different annular space realizes that the axial direction of steering tool is reliably fixed, effectively prevent gushing on borehole fluid or well in the well etc. that overflows occurs
The problem of situation causes steering tool and drill string that de- key occurs, and then greatly improved steering tool enters well efficiency, section
It has saved tool and has entered the well time, saved construction cost；The present invention can also be salvaged effectively simultaneously, and guarantee steering tool can
It recycles, the drilling team that can help to construct retrieves a loss.
Detailed description of the invention
Fig. 1 is that a kind of measurement while drilling of the present invention efficiently enters well-fishing tool structural schematic diagram.
Fig. 2 is the cross-sectional view of Section A-A in Fig. 1.
Fig. 3 is the gingival cyst of mucous gland in the newborn feature structure figure of lower contact of the present invention.
Fig. 4 is the structural schematic diagram when present invention is in salvage.
Fig. 5 is the operation schematic diagram that the present invention is installed at drill string pin and box sub.
Fig. 6 is drill string pin and box sub connection structure diagram.
In figure: 1- fishing head, 2-O type sealing ring, 3- top connection, 4- connecting pin, 5- connecting rod, 6- positioning pin, 7- shear pin, 8-
Braced wing, 9- lower contact, 10- shackle, 11- mushroom head, 12- drill string female connector, 13- drill string pin end, 14- measurement while drilling
Instrument.
Specific embodiment
As shown in Figure 1 to Figure 3, it is by fishing head 1, O-shaped sealing that a kind of measurement while drilling of the present invention, which efficiently enters well-fishing tool,
What circle 2, top connection 3, connecting pin 4, connecting rod 5, positioning pin 6, shear pin 7, braced wing 8, lower contact 9 and shackle 10 were constituted.Its
Middle 1 lower part of fishing head is placed in top connection 3, is set as taper mushroom cap at the top of fishing head 1,1 middle part of fishing head in top connection 3
The cooperation of chamber upper gap, 1 middle part external cylindrical surface of fishing head and top connection are provided with O-ring seal 2 between 3 inner cavity top, are beating
Fishing 1 lower circumference of head is uniformly arranged there are three rectangular boss, and pin hole, 5 upper end of connecting rod and fishing head 1 are provided in rectangular boss
It is connected, is connected between 5 lower end of connecting rod and braced wing 8 by shear pin 7, shear pin 7 is by A3 steel by connecting pin 4 between lower boss
Material is made；3 inner cavity top of top connection is provided with a step cutting pattern face, and 3 middle part of top connection is circumferential, and to be uniformly arranged that there are three rectangles logical
Slot is provided with half round boss immediately below the 3 each rectangular straight slot in middle part of top connection, is provided with pin on semicircle boss
It is connected between semicircle boss in the middle part of hole, braced wing 8 and top connection 3 by positioning pin 6；3 outer circle lower part of top connection is provided with
One section of gingival cyst of mucous gland in the newborn button, 9 inner cavity top of lower contact are provided with gingival cyst of mucous gland in the newborn button, and 3 lower end of top connection is connected with 9 upper end of lower contact by gingival cyst of mucous gland in the newborn button
It connects；3 lower part of top connection is equipped with the deep gouge of perforation together along generatrix direction, and the depth of deep gouge is greater than 3 outer circle lower part gingival cyst of mucous gland in the newborn of top connection
The length of button, 9 bottom of lower contact are provided with an inner cavity, which is cone, near 9 bottom inner cavity end face of lower contact
It is provided with an annular slot, it is fixed with shackle 10 between 9 bottom inner cavity of lower contact and mushroom head 7.
After the present invention is assembled as specified above, lower end of the present invention is right by mushroom head 11 and steering tool 14
It connects, then entire tool is placed in ready drill string, guarantee that 14 base part seat key apparatus of steering tool is correctly inserted into brill
In column in prefabricated keyway, as shown in Figure 5, Figure 6, three braced wings 8 of the invention at this time are in horizontal extended state, and support
The wing 8 can carry out micro adjustment just at 13 upper surface of drill string pin end on drillstring axis direction；Placement is such as encountered with brill
The drill string of measuring instrument 14 situation different in size (the drill string length size that different drilling tool companies provide might have difference), in order to
Guarantee that above-mentioned braced wing 8, can be in assembly tool by adjusting the present invention just at the position of 13 upper surface of drill string pin end
Axial distance between top connection 3 and lower contact 9 requires to meet above-mentioned axial geometry location；Concrete operations are as follows: if drill string compared with
It is short, top connection 3 of the invention can be pushed, due to being that gingival cyst of mucous gland in the newborn button connects between top connection 3 and lower contact 9, top connection at this time 3 can edge
9 inner cavity downlink of lower contact (gingival cyst of mucous gland in the newborn button can only be slided unidirectionally), to meet the present invention to the positioning requirements of braced wing 8.In completion
It states step and then by 12 sets of drill string female connector on top of the invention, is threadedly coupled with drill string pin end 13, drill string connects
It connects after finishing, braced wing 8 of the invention is just placed exactly in the ring formed after drill string female connector 12 is docked with drill string pin end 13
In sky, due to the special design structure of drill string pin and box sub, the ring that drill string female connector 12 is formed after docking with drill string pin end 13
Empty radial dimension is greater than drill string ontology internal diameter, therefore the present invention can be stuck in the annular space by braced wing 8, can not be along drill string inner cavity
Axial large-distance is mobile.Drilling team construction personnel can be by the drill string tripping in well head equipped with the present invention with steering tool 14, fastly at this time
Steering tool 14 is sent to assigned work position by the subsequent operation that makes up a joint of carry out of speed；During making up a joint, Si Zuanwu
Need strict control running speed again, because even running speed is too fast, will not because of gushed on borehole fluid or well in occur
Situations such as excessive well, leads to the problem of de- key occurs between steering tool 14 and drill string, the reason is that: if poured on borehole fluid
And drive steering tool 14 to float upwards, but since lower end of the present invention is connect with 14 upper end of steering tool, it is of the invention in
Portion is supported the wing 8 again and is stuck in the annular space of drill string joints, while as being gushed on drilling fluid to buoyancy caused by steering tool 14
It is not sufficient to push and slide axially between lower contact 9 and top connection 3 of the present invention, therefore steering tool 14 can reliably be sat
Falling within will not occur axially displaced in the keyway in drill string, so that promote measurement while drilling tool enters well efficiency, save the time, save
About construction cost.
When the failures such as drilling tool bit freezing occur in work progress, since the price of steering tool 14 is more expensive, if
Drill string equipped with steering tool 14 all can not be acted well head by treating methods such as unfreezings by scene, then can bore at this time
Tripping in profession fishing tool in column catches the top of fishing head 1 of the present invention, above mentions salvaging drilling tool, and then by company of the invention
Shear pin 7 between bar 5 and braced wing 8 is cut, and separates connecting rod 5 with braced wing 8, and braced wing 8 can be sagging around positioning pin 6, such as Fig. 4
Shown, well head continues above to propose operation, finally the present invention and steering tool 14 all can be proposed well head, to retrieve a loss.
Claims (1)
- It is by fishing head (1), O-ring seal (2), top connection (3), connection 1. a kind of measurement while drilling efficiently enters well-fishing tool (4), connecting rod (5), positioning pin (6), shear pin (7), braced wing (8), lower contact (9) and shackle (10) is sold to constitute；Its feature Be: fishing head (1) lower part is placed in top connection (3), is set as taper mushroom cap at the top of fishing head (1), in the middle part of fishing head (1) with The cooperation of top connection (3) inner cavity upper gap is provided with O between fishing head (1) middle part external cylindrical surface and top connection (3) inner cavity top Type sealing ring (2) is uniformly arranged there are three rectangular boss in fishing head (1) lower circumference, pin hole is provided in rectangular boss, Connect between connecting rod (5) upper end and fishing head (1) lower boss by connecting pin (4), connecting rod (5) lower end and braced wing (8) it Between connected by shear pin (7), shear pin (7) is made of A3 Steel material；Top connection (3) inner cavity top is provided with a step cutting pattern face, Circumferential in the middle part of top connection (3) to be uniformly arranged there are three rectangular straight slot, each rectangular straight slot underface is all provided in the middle part of top connection (3) It is equipped with half round boss, pin hole is provided on semicircle boss, braced wing (8) and the semicircle in the middle part of top connection (3) are convex It is connected between platform by positioning pin (6)；Top connection (3) outer circle lower part is provided with one section of gingival cyst of mucous gland in the newborn button, and lower contact (9) inner cavity top is set It is equipped with gingival cyst of mucous gland in the newborn button, top connection (3) lower end is connect with lower contact (9) upper end by gingival cyst of mucous gland in the newborn button；Top connection (3) lower part is along generatrix direction Deep gouge equipped with perforation together, the depth of deep gouge are greater than the length of top connection (3) outer circle lower part gingival cyst of mucous gland in the newborn button, lower contact (9) bottom It is provided with an inner cavity, which is cone, it is provided with an annular slot near lower contact (9) bottom inner cavity end face, It is fixed with shackle (10) between lower contact (9) bottom inner cavity and mushroom head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230631.5A CN109882106B (en) | 2019-03-26 | 2019-03-26 | Efficient well entry-fishing tool for measurement while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230631.5A CN109882106B (en) | 2019-03-26 | 2019-03-26 | Efficient well entry-fishing tool for measurement while drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882106A true CN109882106A (en) | 2019-06-14 |
| CN109882106B CN109882106B (en) | 2021-04-30 |
Family
ID=66934200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230631.5A Active CN109882106B (en) | 2019-03-26 | 2019-03-26 | Efficient well entry-fishing tool for measurement while drilling |
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| Country | Link |
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| CN (1) | CN109882106B (en) |
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| RU2289673C2 (en) * | 2004-08-31 | 2006-12-20 | Олег Борисович Андрианов | Method for mounting and fastening objects inside wells and device for fastening and mounting objects in wells (variants) |
| CN203742505U (en) * | 2014-02-13 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Floating ball and float collar type prestress well cementation ground anchor assembly |
| CN104675383A (en) * | 2015-02-15 | 2015-06-03 | 中国石油集团西部钻探工程有限公司 | Underground electronic pressure gage hanger |
| CN205477470U (en) * | 2016-03-14 | 2016-08-17 | 中国石油集团西部钻探工程有限公司 | Double four paws prestressing force well cementation earth anchor |
| CN206397491U (en) * | 2016-12-26 | 2017-08-11 | 克拉玛依新科澳石油天然气技术股份有限公司 | The anti-top falling-proof apparatus of tester |
| RU2639335C1 (en) * | 2016-09-06 | 2017-12-21 | Общество с ограниченной ответственностью Научно-производственная фирма "ВНИИГИС - Забойные телеметрические комплексы" (ООО НПФ "ВНИИГИС" - ЗТК") | Device to secure casings of downhole instrumentation of bottomhole telemetric system inside drilling string insert |
| CN108150153A (en) * | 2016-12-02 | 2018-06-12 | 中国石油天然气股份有限公司 | A kind of oil/gas well inner cable tests anti-instrument dropping device |
-
2019
- 2019-03-26 CN CN201910230631.5A patent/CN109882106B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2289673C2 (en) * | 2004-08-31 | 2006-12-20 | Олег Борисович Андрианов | Method for mounting and fastening objects inside wells and device for fastening and mounting objects in wells (variants) |
| CN203742505U (en) * | 2014-02-13 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Floating ball and float collar type prestress well cementation ground anchor assembly |
| CN104675383A (en) * | 2015-02-15 | 2015-06-03 | 中国石油集团西部钻探工程有限公司 | Underground electronic pressure gage hanger |
| CN205477470U (en) * | 2016-03-14 | 2016-08-17 | 中国石油集团西部钻探工程有限公司 | Double four paws prestressing force well cementation earth anchor |
| RU2639335C1 (en) * | 2016-09-06 | 2017-12-21 | Общество с ограниченной ответственностью Научно-производственная фирма "ВНИИГИС - Забойные телеметрические комплексы" (ООО НПФ "ВНИИГИС" - ЗТК") | Device to secure casings of downhole instrumentation of bottomhole telemetric system inside drilling string insert |
| CN108150153A (en) * | 2016-12-02 | 2018-06-12 | 中国石油天然气股份有限公司 | A kind of oil/gas well inner cable tests anti-instrument dropping device |
| CN206397491U (en) * | 2016-12-26 | 2017-08-11 | 克拉玛依新科澳石油天然气技术股份有限公司 | The anti-top falling-proof apparatus of tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109882106B (en) | 2021-04-30 |
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Effective date of registration: 20221020 Address after: 163000 room 503, No.2 Kaiyuan street, Daqing economic and Technological Development Zone, Ranghulu District, Daqing City, Heilongjiang Province Patentee after: Daqing Naigu Petroleum Machinery Equipment Manufacturing Co.,Ltd. Address before: No.9999 Hongguang Avenue, Hongguang Town, Pidu District, Chengdu City, Sichuan Province Patentee before: XIHUA University |
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| TR01 | Transfer of patent right |