CN107313728A - A kind of drilling string stabilizer for slowing down jarring - Google Patents
A kind of drilling string stabilizer for slowing down jarring Download PDFInfo
- Publication number
- CN107313728A CN107313728A CN201710529274.3A CN201710529274A CN107313728A CN 107313728 A CN107313728 A CN 107313728A CN 201710529274 A CN201710529274 A CN 201710529274A CN 107313728 A CN107313728 A CN 107313728A
- Authority
- CN
- China
- Prior art keywords
- compression spring
- drill string
- centralizer
- hole
- drilling
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 239000003381 stabilizer Substances 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 238000009987 spinning Methods 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1042—Elastomer protector or centering means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to the drilling string stabilizer for slowing down jarring, it can effectively solve the problems, such as drilling string stabilizer the occurrence of the drill string that drilling process is neutralized during making a trip enters slim-hole and borehole wall projection, its solve technical scheme be, upper body top is the interior cylinder for setting step, bottom is multiple edge body, it is set with the first compression spring successively thereon, centralizer body, second compression spring, the pin thread screw thread that upper body bottom is provided with is together with the box screw thread spinning of lower body upper end, centralizer body inwall is multiple edge body, match with the multiple edge body of upper body bottom, prominent conveyor screw is evenly equipped with outer wall, the first compression spring is respectively provided with the step surface of centralizer body upper and lower side two, second compression spring, centralizer body can be made to be maintained at the middle part of upper body bottom multiple edge body, structure novel and unique of the present invention, advantages of simple, using effect is good, improve the security of instrument, extend service life, it is the innovation on drilling string stabilizer.
Description
Technical field
The present invention relates to petroleum drilling engineering field, particularly a kind of drilling string stabilizer for slowing down jarring.
Background technology
, can be by setting in drill string to ensure institute's bored borehole according to engineering design requirements formation well during wellbore construction
Meter requires the appropriate drilling string stabilizer of access, but existing drilling string stabilizer does not possess anti-sticking and unfreezing function, drilling string stabilizer
Can with drill string tripping in bored borehole, when bore meet slim-hole when, can be in card column drill string and during prominent in well sillar
The drilling string stabilizer of access, due to being strong in the case of not knowing on ground sweep away into waiting ground instrument reaction and operating personnel's hair
Now, drill string has been stuck, the occurrence of particularly tripping in is more prone to occur above-mentioned when underground situation is complicated, therefore,
Design brand-new drilling string stabilizer imperative.
The content of the invention
For above-mentioned situation, to solve the defect of prior art, the purpose of the present invention, which is just to provide, a kind of slows down jarring
Drilling string stabilizer, can effectively solve drilling string stabilizer and enter slim-hole and well in the drill string that drilling process is neutralized during making a trip
The occurrence of wall projection problem.
The technical scheme that the present invention is solved is, including upper body, spring, centralizer body and lower body, and upper body top sets step to be interior
Cylinder, bottom is multiple edge body, is set with the first compression spring, centralizer body, the second compression spring, upper body lower end successively thereon
The pin thread screw thread that portion is provided with is together with the box screw thread spinning of lower body upper end, and centralizer body inwall is multiple edge body, with upper body bottom
Multiple edge body match, prominent conveyor screw is evenly equipped with outer wall, the first pressure is respectively provided with the step surface of centralizer body upper and lower side two
Contracting spring, the second compression spring, can make centralizer body be maintained at the middle part of upper body bottom multiple edge body.
Structure novel and unique of the present invention, advantages of simple, using effect is good, improves the security of instrument, extends and use
In the life-span, can effectively take rapidly to put to put drill string progress jarring and operate releases its drill string accident, meets live actual demand,
Drilling safety environment and production work efficiency are effectively improved, is the innovation on drilling string stabilizer.
Brief description of the drawings
Fig. 1 is structural profile schematic diagram of the invention.
Fig. 2 is structural representation of the invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Provided by Fig. 1-2, the present invention includes upper body, spring, centralizer body and lower body, upper body top is the interior cylinder for setting step
Body, bottom is multiple edge body, is set with the first compression spring 2a, centralizer body 3, the second compression spring 2b, upper body lower end successively thereon
The pin thread screw thread that portion is provided with is together with the upper end box screw thread spinning of lower body 6, and the inwall of centralizer body 3 is under multiple edge body, with upper body
The multiple edge body in portion matches, and prominent conveyor screw 5 is evenly equipped with outer wall, and is respectively provided with the step surface of 3 upper and lower side of centralizer body two
One compression spring 2a, the second compression spring 2b, can make centralizer body 3 be maintained at the middle part of upper body bottom multiple edge body, work as drill stem stabilization
Descending with drill string after device is connected on drill string, when meeting slim-hole, centralizer body 3 is obstructed, and compresses the first compression spring 2a, subtracts
The slow hard collision with slim-hole, when centralizer body 3 is stuck at slim-hole, puts on body and is compressed with the up upper pressure first of drill string on drill string
Spring 2a and on hit centralizer body 3 and unfreezing, be hampered when drill string is above carried in top well section slim-hole, the compression of centralizer body 3 second is pressed
Contracting spring 2b slows down the hard collision with slim-hole, when centralizer body 3 is stuck at slim-hole, and drill string transfers upper body and pushes the with drill string
Two compression spring 2b and under hit centralizer body 3 and unfreezing, drill string is normally in drilling, because centralizer body 3 is the bottom that is sleeved on upper body,
The impact endurance test shock to the borehole wall from drill string can be reduced.
In order to ensure using effect, it is described it is upper have through hole in vivo, upper end is provided with the box thread for being easy to be connected with drill string
Button.
Described lower body 6 is the threaded hollow circular cylinder in two ends, and cylindrical upper end is in step-like, upper end box screw thread
It is connected with upper body bottom pin thread screw thread, the first compression of the centralizer body 3 and suit of suit outside box step limitation upper body
Spring 2a, the second compression spring 2b are dropped out, it is ensured that they are set with the limits prescribed.
Described upper body bottom, the inwall of centralizer body 3 are 6-8 rib bodies.
Described conveyor screw 5 is 3-5.
The described surface of conveyor screw 5 is provided with the hole of insert carbide button 4, and carbide button 4 is cylinder, is fitted in by tight fit
In hole on conveyor screw 5, it is therefore an objective to for the wearability of increase conveyor screw 5.
The service condition of the present invention is that the damping assembled is slowed down into jarring drilling string stabilizer is even linked into by design requirement
Descending with drill string when boring instantly on drill string, when meeting slim-hole, centralizer body 3, which is obstructed, then compresses upper spring 2a, slow down with it is small
The hard collision of well, when centralizer body 3 is stuck at slim-hole, put on drill string body with spring 2a in the up pressure of drill string and on hit and help
Roman 3 and unfreezing.When pull out of hole when, on top, well section slim-hole is hampered when above carrying drill string, centralizer body 3 compression lower spring 2b slow down with
The hard collision of slim-hole, when centralizer body 3 is stuck at slim-hole, drill string transfer upper body with pressing spring 2b under drill string and under hit righting
Body 3 and unfreezing.When normal drilling, because centralizer body 3 is the bottom that is sleeved on upper body, it can reduce to rush the borehole wall to drill string
Hit vibrations.Application of the jarring drilling string stabilizer on drill string is slowed down by damping, conventional damping is preferably resolved and slows down jarring
The problem of, the security of instrument is improved, service life is extended.
Drilling string stabilizer damping slows down jarring ability in structure novel and unique of the present invention, advantages of simple, enhancing drilling process,
Security is enhanced, and can timely and effectively reduce bit freezing probability, the problem of live operability is improved, reduces drilling well well
The generation of lower engineering accident, easy to use, effect is good, is the innovation on drilling well stabilizer, with good economy and society's effect
Benefit.
Claims (6)
1. a kind of drilling string stabilizer for slowing down jarring, including upper body, spring, centralizer body and lower body, it is characterised in that upper body (1)
Top is the interior cylinder for setting step, and bottom is multiple edge body, be set with successively thereon the first compression spring (2a), centralizer body (3),
Second compression spring (2b), the pin thread screw thread that upper body (1) bottom is provided with is with lower body (6) upper end box screw thread spinning one
Rise, centralizer body (3) inwall is multiple edge body, matches with the multiple edge body of upper body (1) bottom, prominent conveyor screw is evenly equipped with outer wall
(5) the first compression spring (2a), the second compression spring (2b), are respectively provided with the step surface of centralizer body (3) upper and lower side two, can make to help
Roman (3) is maintained at the middle part of upper body (1) bottom multiple edge body, after drilling string stabilizer is connected on drill string, is removed with drill string one
OK, when meeting slim-hole, centralizer body (3) is obstructed, and compresses the first compression spring (2a), slows down the hard collision with slim-hole, work as righting
Body (3) is stuck at slim-hole, put on drill string body (1) with drill string it is up it is upper pressure the first compression spring (2a) and on hit centralizer body
(3) unfreezing, when drill string is above carried, on top, well section slim-hole is hampered, and centralizer body (3), which compresses the second compression spring (2b), to be slowed down
With the hard collision of slim-hole, when centralizer body (3) is stuck at slim-hole, drill string decentralization upper body (1) pushes the second compression with drill string
Spring (2b) and under hit centralizer body (3) and unfreezing, drill string is normally in drilling, because centralizer body (3) is sleeved under upper body (1)
Portion, can reduce the impact endurance test shock to the borehole wall from drill string.
2. the drilling string stabilizer according to claim 1 for slowing down jarring, it is characterised in that have logical in described upper body (1)
Hole, upper end is provided with the box thread button for being easy to be connected with drill string.
3. the drilling string stabilizer according to claim 1 for slowing down jarring, it is characterised in that described lower body (6) is two ends
Threaded hollow circular cylinder, cylindrical upper end is in step-like, upper end box screw thread and upper body (1) bottom pin thread screw thread phase
The first compression spring (2a) of the centralizer body (3) of suit and suit, the second compression outside connection, box step limitation upper body (1)
Spring (2b) is dropped out, it is ensured that they are set with the limits prescribed.
4. the drilling string stabilizer according to claim 1 for slowing down jarring, it is characterised in that described upper body (1) bottom, help
Roman (3) inwall is 6-8 rib bodies.
5. the drilling string stabilizer according to claim 1 for slowing down jarring, it is characterised in that described conveyor screw (5) is 3-5
It is individual.
6. the drilling string stabilizer according to claim 1 for slowing down jarring, it is characterised in that described conveyor screw (5) surface
Hole provided with insert carbide button (4), carbide button (4) is cylinder, is fitted in by tight fit in the hole on conveyor screw (5), mesh
Be for increase conveyor screw (5) wearability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529274.3A CN107313728B (en) | 2017-07-01 | 2017-07-01 | Drill string stabilizer for slowing down shock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529274.3A CN107313728B (en) | 2017-07-01 | 2017-07-01 | Drill string stabilizer for slowing down shock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313728A true CN107313728A (en) | 2017-11-03 |
| CN107313728B CN107313728B (en) | 2023-03-03 |
Family
ID=60181399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710529274.3A Active CN107313728B (en) | 2017-07-01 | 2017-07-01 | Drill string stabilizer for slowing down shock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313728B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE960261C (en) * | 1952-08-08 | 1957-03-21 | Nuesse & Graefer K G Maschf | Drill bit guide for rotary drilling in mining with expandable guide parts that are elastically attached to the borehole wall |
| CA872671A (en) * | 1971-06-08 | L. Downen Jim | Apparatus for the simultaneous application to an oil well fish of the direct strain of a drill string and an independent jarring blow | |
| US4169505A (en) * | 1978-10-10 | 1979-10-02 | Neal William C | Kick-over apparatus |
| SU973790A1 (en) * | 1980-11-27 | 1982-11-15 | за витель -- - -у : V , | Hydraulic apparatus |
| US5377751A (en) * | 1992-01-29 | 1995-01-03 | Rickert Precision Industries | Apparatus and method for centralizing downhole pipe and blast joints |
| CN201180486Y (en) * | 2007-12-25 | 2009-01-14 | 中国石化集团胜利石油管理局钻井工艺研究院 | Stabilizer used for slim-hole well drilling |
| CN202544754U (en) * | 2012-05-07 | 2012-11-21 | 盐城华亚石油机械制造有限公司 | Screw drilling tool |
| CN105781444A (en) * | 2016-04-29 | 2016-07-20 | 中国石油大学(北京) | Torque reducing and resistance reducing stabilizer |
| US20160251898A1 (en) * | 2012-11-29 | 2016-09-01 | Per Angman | Mixed form tubular centralizers and method of use |
-
2017
- 2017-07-01 CN CN201710529274.3A patent/CN107313728B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA872671A (en) * | 1971-06-08 | L. Downen Jim | Apparatus for the simultaneous application to an oil well fish of the direct strain of a drill string and an independent jarring blow | |
| DE960261C (en) * | 1952-08-08 | 1957-03-21 | Nuesse & Graefer K G Maschf | Drill bit guide for rotary drilling in mining with expandable guide parts that are elastically attached to the borehole wall |
| US4169505A (en) * | 1978-10-10 | 1979-10-02 | Neal William C | Kick-over apparatus |
| SU973790A1 (en) * | 1980-11-27 | 1982-11-15 | за витель -- - -у : V , | Hydraulic apparatus |
| US5377751A (en) * | 1992-01-29 | 1995-01-03 | Rickert Precision Industries | Apparatus and method for centralizing downhole pipe and blast joints |
| CN201180486Y (en) * | 2007-12-25 | 2009-01-14 | 中国石化集团胜利石油管理局钻井工艺研究院 | Stabilizer used for slim-hole well drilling |
| CN202544754U (en) * | 2012-05-07 | 2012-11-21 | 盐城华亚石油机械制造有限公司 | Screw drilling tool |
| US20160251898A1 (en) * | 2012-11-29 | 2016-09-01 | Per Angman | Mixed form tubular centralizers and method of use |
| CN105781444A (en) * | 2016-04-29 | 2016-07-20 | 中国石油大学(北京) | Torque reducing and resistance reducing stabilizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107313728B (en) | 2023-03-03 |
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