CN102029483A - Highly-antiwear drill pipe wear-resisting belt flux-cored wire - Google Patents
Highly-antiwear drill pipe wear-resisting belt flux-cored wire Download PDFInfo
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- CN102029483A CN102029483A CN2010105878245A CN201010587824A CN102029483A CN 102029483 A CN102029483 A CN 102029483A CN 2010105878245 A CN2010105878245 A CN 2010105878245A CN 201010587824 A CN201010587824 A CN 201010587824A CN 102029483 A CN102029483 A CN 102029483A
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Abstract
The invention belongs to the field of welding materials, in particular to a highly-antiwear drill pipe wear-resisting belt flux-cored wire. With the development of the petroleum drilling technology, the abrasion of casing pipes is more and more prominent. The wear of the casing pipes may reduce the collapse pressure strength and internal pressure strength of casing strings, and more seriously, cause to the collapsing, deformation and leakage of the casing strings and even scrapping of a whole well. The invention provides a highly-antiwear drill pipe wear-resisting belt flux-cored wire, which comprises the following deposited metal chemical components in percentage by mass: 15.0 to 16.0 percent of Cr, 5.5 to 6.0 percent of Mo, 3.5 to 4.0 percent of W, 0.9 to 1.1 percent of Y, 0.7 to 0.9 percent of C, 3.5 to 4.5 percent of B, 1.5 to 2.0 percent of Si, 0.8 to 1.0 percent of Mn and the balance of Fe. Compared with the friction coefficient of the ordinary welding wire, the friction coefficient of the highly-antiwear drill pipe wear-resisting belt flux-cored wire is reduced by 24 percent, and the abrasion of the casing pipes is reduced by 62 percent substantially; and the manufacturability is good. By the highly-antiwear drill pipe wear-resisting belt flux-cored wire, the abrasion of the casing pipes in drilling wells can be reduced substantially; and the highly-antiwear drill pipe wear-resisting belt flux-cored wire can be widely applied to the wear prevention and wear resistance of sliding friction dual components under other harsh operating conditions besides the highly-antiwear drill pipe wear-resisting belt flux-cored wire can be used for overlaying metal wear-resisting belts on petroleum drilling pipes.
Description
Technical field
The invention belongs to field of welding material, be specifically related to a kind of high antifriction quality drilling rod wear-resistant belt flux-cored wire.
Background technology
The wear-resisting band of deposited metal on joint of petroleum drill rod is one of effective measures that reduce oil drill rocker and casing wear.The wear-resisting carrying material of novel metal of extensive use both at home and abroad and development had the characteristics of wear resistant friction reducing in recent years, can play and promptly protect the drilling rod effect of protective casing again.Drilling rod wear-resistant belt flux-cored wire products such as the Nate 101J with independent intellectual property rights, the Nate 303J of ARNCO 100XT, ARNCO 200XT, ARNCO 300XT and Xi'an Nate Petroleum Technology Co.ltd's development and production of producing as technology company of U.S. peace section, Nate 505J.
Along with the development of ultradeep well, high angle hole, extended reach well and HDP in the petroleum drilling engineering, because of drilling time prolongs, drilling rod acts on factors such as side force on the sleeve pipe increases, the wear problem of sleeve pipe is more and more outstanding.Casing wear gently then reduces casing string anti-squeeze ruin, internal pressure strength, heavy then cause that casing string is crowded to be ruined, be out of shape and leak, even cause full well to scrap.Therefore, how on the basis that keeps hard high-wearing feature, further improve the abrasionproof friction reducing effect of abrasion-resistant metal band,, seem particularly important for the development of ultradeep well, high angle hole, extended reach well and HDP with the better protection sleeve pipe to sleeve pipe.
Summary of the invention
High antifriction quality drilling rod wear-resistant belt flux-cored wire provided by the invention compared with prior art, can further improve the abrasionproof friction reducing effect of abrasion-resistant metal band to sleeve pipe.
To achieve the object of the present invention, a kind of high antifriction quality drilling rod wear-resistant belt flux-cored wire now is provided, its deposited metal composition quality percentage composition is: Cr%=15.0～16.0, Mo%=5.5～6.0, W=3.5～4.0, Y%=0.9～1.1, C%=0.7～0.9, B%=3.5～4.5, Si%=1.5～2.0, Mn%=0.8～1.0, surplus is Fe.
Above-mentioned deposited metal composition quality percentage composition is: Cr%=15.1, and Mo%=5.84, W=3.87 Y%=1.01, C%=0.82, B%=3.67, Si%=1.89, Mn%=0.92, surplus is Fe.
Compare with existing drilling rod wear-resistant belt flux-cored wire, under the effect of the abrasion-resistant metal band of drilling rod wear-resistant belt flux-cored wire provided by the invention built-up welding and petroleum casing pipe strong sliding friction stress in drilling process, wear-resisting belt surface can take place from crystalline state to amorphous dynamic transition, thereby produces a dynamic amorphous layer at wear-resisting belt surface.Compare with traditional crystal alloy top layer, the amorphous alloy top layer has the characteristics of high rigidity, low-friction coefficient.High rigidity can guarantee high-wearing feature.Low-friction coefficient can improve antifriction quality, reduces the wearing and tearing of mating plate.
Therefore, the present invention is guaranteeing that the wear-resisting band of oil drill rocker has on the basis of high-wearing feature, has higher antifriction quality, thereby can further reduce the wearing and tearing to petroleum casing pipe (drilling rod mating plate).
Compared with prior art, the advantage of drilling rod wear-resistant belt flux-cored wire of the present invention is:
1. antifriction quality is better: compare with being extensive use of ARNCO 100XT drilling rod wear-resistant belt flux-cored wire in the market, the abrasion-resistant metal band of built-up welding of the present invention is on the basis of hardness up to HRC55, and coefficient of friction reduces 24%, and casing wear significantly reduces 62%.2. bead-welding technology is good: overlay cladding is fine and closely woven ripple, and it is little to splash, and moulding is smooth attractive in appearance, almost need not finishing.
3. the present invention can significantly reduce the casing wear in the drilling well.Thereby the development of ultradeep well, high angle hole, extended reach well and HDP in the promotion petroleum drilling engineering.
4. be widely used: except that can be used for the wear-resisting band of oil drill rocker deposited metal, also can be widely used in the abrasionproof antifriction of the sliding friction antithesis parts under other harsh condition of work.
The specific embodiment
To do the present invention by embodiment below and describe in detail.
One, processing method of the present invention is the flux-cored wire conventional method: thin steel band of high-quality and pure multiple associated metal powder or the alloy powder of selecting suitable specification for use, to fully mix after various metal dusts and the alloy powder weighing by prescription, make the core powder, then putting the band uncoiling, prick, seal into O type, rolling tube reducing, drawing tube reducing and become operation such as dish to make the flux-cored wire that diameter is 1.6mm～3.2mm with curled hair on the flux-cored wire manufacturing equipment through thin steel band to U type, dosing core powder.
Two, embodiments of the invention:
Table one: the chemical composition of deposited metal (quality percentage composition)
Three, contrast test:
(1) hardness of the abrasion-resistant metal band of the ARNCO 100XT drilling rod wear-resistant belt flux-cored wire built-up welding of the abrasion-resistant metal band of embodiment 1 flux-cored wire built-up welding and technology company of widely used in the market U.S. peace section production, relative wear resistance are as shown in Table 2.Wherein, abrasion test adopts the wet wheeled abrasion tester of husky rubber of MLS-23 type to carry out, 240 rev/mins of rotating speeds, and test load 98N, the time 2000 changes.From the result of the test of table two as seen, the embodiment of the invention 1 has higher hardness and wearability.
Table two: the hardness of deposited metal, wearability and crack resistance
(2) the casing wear result in kind of embodiment 1 wear-resisting band and the wear-resisting band of ARNCO 100XT as shown in Table 3.This test entrusts Xi'an Maurer Petroleum Engineering Laboratory to adopt U.S. mole company sleeve pipe wear test machine in kind to carry out, and experimental condition is a water medium, and side force is 3000lb.Casing tube abrasion testing result in kind shows: compare with existing wear-resisting band, the embodiment of the invention 1 has lower coefficient of friction and much lower casing wear rate.
The full-scale casing tube abrasion testing result in kind of table three
Claims (2)
1. one kind high antifriction quality drilling rod wear-resistant belt flux-cored wire, it is characterized in that: its deposited metal composition quality percentage composition is: Cr%=15.0～16.0, Mo%=5.5～6.0, W=3.5～4.0, Y%=0.9～1.1, C%=0.7～0.9, B%=3.5～4.5, Si%=1.5～2.0, Mn%=0.8～1.0, surplus is Fe.
2. high antifriction quality drilling rod wear-resistant belt flux-cored wire according to claim 1, it is characterized in that: above-mentioned deposited metal composition quality percentage composition is: Cr%=15.1, Mo%=5.84, W=3.87, Y%=1.01, C%=0.82, B%=3.67, Si%=1.89, Mn%=0.92, surplus is Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010587824 CN102029483B (en) | 2010-12-15 | 2010-12-15 | Highly-antiwear drill pipe wear-resisting belt flux-cored wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010587824 CN102029483B (en) | 2010-12-15 | 2010-12-15 | Highly-antiwear drill pipe wear-resisting belt flux-cored wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102029483A true CN102029483A (en) | 2011-04-27 |
| CN102029483B CN102029483B (en) | 2013-12-25 |
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| CN 201010587824 Expired - Fee Related CN102029483B (en) | 2010-12-15 | 2010-12-15 | Highly-antiwear drill pipe wear-resisting belt flux-cored wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425156A (en) * | 2016-07-14 | 2017-02-22 | 宁波诺迈特新材料科技有限公司 | Flux-cored wire and application, deposited metal and coating thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007289965A (en) * | 2006-04-20 | 2007-11-08 | Kobe Steel Ltd | Flux-cored wire for gas shielded arc welding and welding method |
| CN101126139A (en) * | 2007-09-28 | 2008-02-20 | 王新虎 | Self-lubricating wear-resisting overlaying alloy |
| CN101537548A (en) * | 2008-03-21 | 2009-09-23 | 高智海 | Flux-cored welding wire for overlaying welding and application thereof |
| EP2110195A2 (en) * | 2008-04-16 | 2009-10-21 | Kabushiki Kaisha Kobe Seiko Sho | Pure ar gas shielded welding MIG flux-cored wire and MIG arc welding method |
| CN101817125A (en) * | 2009-02-27 | 2010-09-01 | 北京赛亿表面工程技术有限公司 | Method for preparing amorphous abrasion-resistant surfacing coat |
-
2010
- 2010-12-15 CN CN 201010587824 patent/CN102029483B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007289965A (en) * | 2006-04-20 | 2007-11-08 | Kobe Steel Ltd | Flux-cored wire for gas shielded arc welding and welding method |
| CN101126139A (en) * | 2007-09-28 | 2008-02-20 | 王新虎 | Self-lubricating wear-resisting overlaying alloy |
| CN101537548A (en) * | 2008-03-21 | 2009-09-23 | 高智海 | Flux-cored welding wire for overlaying welding and application thereof |
| EP2110195A2 (en) * | 2008-04-16 | 2009-10-21 | Kabushiki Kaisha Kobe Seiko Sho | Pure ar gas shielded welding MIG flux-cored wire and MIG arc welding method |
| CN101817125A (en) * | 2009-02-27 | 2010-09-01 | 北京赛亿表面工程技术有限公司 | Method for preparing amorphous abrasion-resistant surfacing coat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425156A (en) * | 2016-07-14 | 2017-02-22 | 宁波诺迈特新材料科技有限公司 | Flux-cored wire and application, deposited metal and coating thereof |
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| CN102029483B (en) | 2013-12-25 |
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