CN107642339A - Multifunctional pumping rod abrasion-resistant alloy protective pipe connector - Google Patents
Multifunctional pumping rod abrasion-resistant alloy protective pipe connector Download PDFInfo
- Publication number
- CN107642339A CN107642339A CN201711049967.9A CN201711049967A CN107642339A CN 107642339 A CN107642339 A CN 107642339A CN 201711049967 A CN201711049967 A CN 201711049967A CN 107642339 A CN107642339 A CN 107642339A
- Authority
- CN
- China
- Prior art keywords
- big envelope
- connector body
- connecting hole
- interior
- pumping rod
- 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
- 239000000956 alloy Substances 0.000 title claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 23
- 238000005299 abrasion Methods 0.000 title claims abstract description 20
- 238000005086 pumping Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 title claims abstract description 14
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 8
- 230000002265 prevention Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
-
- 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
- E21B17/1085—Wear protectors; Blast joints; Hard facing
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 invention discloses multifunctional pumping rod abrasion-resistant alloy protective pipe connector, connector body（1）Both sides be respectively equipped with respectively left side big envelope（2）With right side big envelope（3）, left side big envelope（2）It is interior to be provided with left side connecting hole（4）, left side connecting hole（4）It is interior to be provided with left side internal thread, left side connecting hole（4）By left side big envelope（2）Inside extend to connector body（1）It is interior, right side big envelope（3）It is interior to be provided with right side connecting hole（5）, right side connecting hole（5）It is interior to be provided with right side internal thread, right side connecting hole（5）By right side big envelope（3）Inside extend to connector body（1）It is interior, connector body（1）Outer surface be distributed with some protrusions spiral trapezoidal guiding tooth（6）With connector body（1）For entirety, each trapezoidal guiding tooth（6）It is oblique from left to right to run through whole connector body（1）Outer surface.Not only anti-wear performance is good by the present invention, service life length, and intensity is high, corrosion resistance and good.
Description
Technical field
The present invention relates to multifunctional pumping rod abrasion-resistant alloy protective pipe connector.
Background technology
Need to carry out carried of crude oil using sucker rod during oil drilling at present, typically adopted in currently available technology
It is short using eccentric abrasion prevention box cupling service life with eccentric abrasion prevention box cupling, oil pumping rod centering device, occur in underground different degrees of damage and
Abrasion, using oil pumping rod centering device：" dog-leg severity "：It is >=3 °/25m, front and rear respectively to connect 2 kickoff point (KOP)s：Centralizer more than 2, deflecting
Point centering sucker rod used below；Slide bar above centralizer more than 2, nearby a righting is respectively connect apart from the m of well head 25,45 m
Device, the anti-abrading block position of centering sucker rod：1 among the body of rod, the anti-abrading block on both sides is away from both sides 0.8m, the effective spacing in longitudinal direction of the body of rod
For 3.2m, longitudinally upper effective abrasionproof spacing is 1.6m to box cupling, and box cupling abrasionproof degree is more than 2 times of body of rod abrasionproof degree, but is tied
Structure is complicated, and use cost is high.
The content of the invention
The invention provides multifunctional pumping rod abrasion-resistant alloy protective pipe connector, and not only anti-wear performance is good for it, service life
It is long, and intensity is high, corrosion resistance and good.
Present invention employs following technical scheme：Multifunctional pumping rod abrasion-resistant alloy protective pipe connector, it is provided with connector
Main body, big envelope and right side big envelope on the left of difference are respectively equipped with the both sides of connector body, a left side is provided with the big envelope of left side
Side connecting hole, is provided with left side internal thread in the connecting hole of left side, left side connecting hole by being extended in the big envelope of left side in connector body,
Right side connecting hole is provided with the big envelope of right side, is provided with right side internal thread in the connecting hole of right side, right side connecting hole is sealed by right side
Extended in set in connector body, the trapezoidal guiding tooth of the spiral of some protrusions be distributed with the outer surface of connector body,
Trapezoidal to be oriented to tooth with connector body to be overall, each trapezoidal guiding tooth is oblique through the outer of whole connector body from left to right
Surface.
Described some trapezoidal outer surfaces for being oriented to tooth and being evenly distributed on connector body.Described connector body and ladder
Shape is oriented to tooth to modulate firm 35CrMoA, and corrosion-resistant friction coat is scribbled on the surface of connector body and guide pad.Described is resistance to
Corrosion friction coat is AOC-160 alloy powder protective layers.Described left side big envelope and right side big envelope are highstrenghtpiston's alloy.
Described highstrenghtpiston's alloy is polyether-ether-ketone resin.The outer surface of the left side big envelope is provided with two left groove mouths, and two is left recessed
Notch is respectively symmetrically distributed in the two sides of left side big envelope, and the outer surface of right side big envelope is provided with two right groove mouths, two right groove mouths
Respectively symmetrically it is distributed in the two sides of right side big envelope.
The invention has the advantages that：After employing above technical scheme, the outer surface of connector body of the present invention
The trapezoidal guiding tooth of the spiral of some protrusions is distributed with, trapezoidal guiding tooth is entirety with connector body, each trapezoidal guiding tooth
Oblique through the outer surface of whole connector body from left to right, so it can be transferred to oil pipe surface with sheet form, protect
The abrasion of oil pipe is protected and slow down, while the presence of the tablet reduces connector and oil in connector and oil pipe friction process
Coefficient of friction between pipe, serving sheet anti-attrition must act on.The both sides of connector body of the present invention are respectively equipped with left side respectively
Big envelope and right side big envelope, left side connecting hole is provided with the big envelope of left side, left side internal thread, left side are provided with the connecting hole of left side
Connecting hole is provided with right side connecting hole, right side connection by being extended in the big envelope of left side in connector body in the big envelope of right side
Right side internal thread is provided with hole, there is linkage function its both sides, applied widely, and not only anti-wear performance is good by the present invention, makes
With long lifespan, and intensity is high, corrosion resistance and good.The present invention has preferable cost performance, and highest individual well input-output ratio is
1：2.5, product has that anti-wear performance is good, the processing performances such as intensity is high and corrosion-resistant, plays good eccentric abrasion prevention and reduces oil pipe
The effect of abrasion, meet the supporting requirement of eccentric wear-proof process.
Technical parameter is the present invention accordingly：
。
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the outside schematic diagram of the present invention.
Fig. 4 is Fig. 3 B-B sectional views.
Embodiment
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the invention provides multifunctional pumping rod abrasion-resistant alloy protective pipe connector, and it sets
There is connector body 1, big envelope 2 and right side big envelope 3 on the left of difference, the big envelope 2 in left side are respectively equipped with the both sides of connector body 1
It is interior to be provided with left side connecting hole 4, left side internal thread is provided with left side connecting hole 4, left side connecting hole 4 in left side big envelope 2 by prolonging
Extend in connector body 1, be provided with right side connecting hole 5 in big envelope 3 on right side, spiral shell in right side is provided with right side connecting hole 5
Line, right side connecting hole 5 in right side big envelope 3 by extending in connector body 1, if being distributed with the outer surface of connector body 1
The spiral of four protrusions is distributed with the trapezoidal guiding tooth 6 of the spiral of dry protrusion, the outer surface of the connector body 1 of the present embodiment
Trapezoidal guiding tooth 6, for trapezoidal guiding tooth with connector body 1 to be overall, each trapezoidal guiding tooth 6 is oblique through whole from left to right
The outer surface of connector body 1, described four trapezoidal outer surfaces for being oriented to tooth 6 and being evenly distributed on connector body 1 are described
Connector body 1 and trapezoidal guiding tooth 6 scribble corrosion resistant to modulate firm 35CrMoA on the surface of connector body 1 and guide pad 6
Friction coat is lost, described corrosion-resistant friction coat is AOC-160 alloy powder protective layers, described left side big envelope 2 and right side
Big envelope 3 is highstrenghtpiston's alloy, and described highstrenghtpiston's alloy is polyether-ether-ketone resin, referred to as PEEK, left side big envelope 2
Outer surface is provided with two left groove mouths 7, and two left groove mouths 7 are respectively symmetrically distributed in the two sides of left side big envelope 2, right side big envelope 3
Outer surface is provided with two right groove mouths 8, and two right groove mouths 8 are respectively symmetrically distributed in the two sides of right side big envelope 3.
Claims (7)
1. multifunctional pumping rod abrasion-resistant alloy protective pipe connector, it is characterized in that it is provided with connector body（1）, in connector body
（1）Both sides be respectively equipped with respectively left side big envelope（2）With right side big envelope（3）, in left side big envelope（2）The interior left side that is provided with connects
Hole（4）, left side connecting hole（4）It is interior to be provided with left side internal thread, left side connecting hole（4）By left side big envelope（2）Inside extend to connector
Main body（1）It is interior, in right side big envelope（3）It is interior to be provided with right side connecting hole（5）, right side connecting hole（5）It is interior to be provided with right side internal thread,
Right side connecting hole（5）By right side big envelope（3）Inside extend to connector body（1）It is interior, in connector body（1）Appearance EDS maps
There is the trapezoidal guiding tooth of the spiral of some protrusions（6）, trapezoidal guiding tooth and connector body（1）For entirety, each trapezoidal guiding
Tooth（6）It is oblique from left to right to run through whole connector body（1）Outer surface.
2. multifunctional pumping rod abrasion-resistant alloy protective pipe connector according to claim 1, it is characterized in that described some ladders
Shape is oriented to tooth（6）It is evenly distributed on connector body（1）Outer surface.
3. multifunctional pumping rod abrasion-resistant alloy protective pipe connector according to claim 1, it is characterized in that described connector
Main body（1）With trapezoidal guiding tooth（6）To modulate firm 35CrMoA, in connector body（1）And guide pad（6）Surface scribble it is resistance to
Corrode friction coat.
4. multifunctional pumping rod abrasion-resistant alloy protective pipe connector according to claim 1, it is characterized in that described is corrosion-resistant
Friction coat is AOC-160 alloy powder protective layers.
5. multifunctional pumping rod abrasion-resistant alloy protective pipe connector according to claim 1, it is characterized in that described left side envelope
Set（2）With right side big envelope（3）For highstrenghtpiston's alloy.
6. multifunctional pumping rod abrasion-resistant alloy protective pipe connector according to claim 1, it is characterized in that described high intensity
Plastic alloy is polyether-ether-ketone resin.
7. multifunctional pumping rod abrasion-resistant alloy protective pipe connector according to claim 1, it is characterized in that left side big envelope（2）'s
Outer surface is provided with two left groove mouths（7）, two left groove mouths（7）Respectively symmetrically it is distributed in left side big envelope（2）Two sides, right side envelope
Set（3）Outer surface be provided with two right groove mouths（8）, two right groove mouths（8）Respectively symmetrically it is distributed in right side big envelope（3）Both sides
Face.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477783.6A CN107130922A (en) | 2017-06-22 | 2017-06-22 | Multifunctional pumping rod abrasion-resistant alloy protective pipe connector |
| CN2017104777836 | 2017-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107642339A true CN107642339A (en) | 2018-01-30 |
Family
ID=59735531
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477783.6A Pending CN107130922A (en) | 2017-06-22 | 2017-06-22 | Multifunctional pumping rod abrasion-resistant alloy protective pipe connector |
| CN201711049967.9A Pending CN107642339A (en) | 2017-06-22 | 2017-11-01 | Multifunctional pumping rod abrasion-resistant alloy protective pipe connector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477783.6A Pending CN107130922A (en) | 2017-06-22 | 2017-06-22 | Multifunctional pumping rod abrasion-resistant alloy protective pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107130922A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389501A (en) * | 2021-06-28 | 2021-09-14 | 泰州市时代科研设备仪器有限公司 | Multifunctional wear-resistant alloy protective pipe connector for sucker rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757861A (en) * | 1987-08-06 | 1988-07-19 | Klyne Albert A | Oil well sucker rod coupling assembly |
| CA2315730A1 (en) * | 1999-08-06 | 2001-02-06 | Kudu Industries Inc. | Centralizer for sucker rod strings |
| CN200943454Y (en) * | 2006-08-31 | 2007-09-05 | 大庆油田有限责任公司 | Taper thread anti-slip abrasive-resistant centralizer for screw pump well |
| CN201972625U (en) * | 2011-03-03 | 2011-09-14 | 中国石油天然气股份有限公司 | Rotary sucker rod centralizer |
| CN103089166A (en) * | 2013-02-22 | 2013-05-08 | 李汉余 | Sucker rod connector |
| CN208252053U (en) * | 2017-06-22 | 2018-12-18 | 泰州市时代科研设备仪器有限公司 | A kind of multifunctional pumping rod abrasion-resistant alloy protective pipe connector |
-
2017
- 2017-06-22 CN CN201710477783.6A patent/CN107130922A/en active Pending
- 2017-11-01 CN CN201711049967.9A patent/CN107642339A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757861A (en) * | 1987-08-06 | 1988-07-19 | Klyne Albert A | Oil well sucker rod coupling assembly |
| CA2315730A1 (en) * | 1999-08-06 | 2001-02-06 | Kudu Industries Inc. | Centralizer for sucker rod strings |
| CN200943454Y (en) * | 2006-08-31 | 2007-09-05 | 大庆油田有限责任公司 | Taper thread anti-slip abrasive-resistant centralizer for screw pump well |
| CN201972625U (en) * | 2011-03-03 | 2011-09-14 | 中国石油天然气股份有限公司 | Rotary sucker rod centralizer |
| CN103089166A (en) * | 2013-02-22 | 2013-05-08 | 李汉余 | Sucker rod connector |
| CN208252053U (en) * | 2017-06-22 | 2018-12-18 | 泰州市时代科研设备仪器有限公司 | A kind of multifunctional pumping rod abrasion-resistant alloy protective pipe connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389501A (en) * | 2021-06-28 | 2021-09-14 | 泰州市时代科研设备仪器有限公司 | Multifunctional wear-resistant alloy protective pipe connector for sucker rod |
| CN113389501B (en) * | 2021-06-28 | 2023-01-13 | 泰州市时代科研设备仪器有限公司 | Multifunctional wear-resistant alloy protective pipe connector for sucker rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107130922A (en) | 2017-09-05 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180130 |
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| WD01 | Invention patent application deemed withdrawn after publication |