CN103060713A - High-steel-grade anti-sulfur drill pipe material and preparation method thereof - Google Patents
High-steel-grade anti-sulfur drill pipe material and preparation method thereof Download PDFInfo
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- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
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- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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- C21—METALLURGY OF IRON
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
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Abstract
The invention provides a high-steel-grade anti-sulfur drill pipe material and a preparation method thereof. The material is formed by the following components (by wt%): 0.15-0.25% of C, 0.20-0.50% of Mn, 0.20-0.30% of Si, 0.50-1.20% of Cr, 0.80-1.5% of Ni, 0.50-1.20% of Mo, 0.01-0.03% of Nb, 0.01-0.03% of V, 0.01-0.03% of Ti, 1.0-3.0% of Al, 0.005-0.01% of La, less than or equal to 0.001% of S, less than or equal to 0.003% of P and the balance of Fe. The preparation method comprises the following steps: selecting raw materials according to the components; smelting, refining and continuously casting the raw materials to obtain a cast ingot; rolling the cast ingot to obtain a tubular product; and carrying out heat treatment on the tubular product to obtain the high-steel-grade anti-sulfur drill pipe material. The strength of the high-steel-grade anti-sulfur drill pipe material disclosed by the invention can reach 105-135ksi.
Description
Technical field
The present invention relates to a kind of high steel grade sulfur resistant drill pipe material and preparation method thereof, belong to low-carbon alloy steel metallic substance technical field.
Background technology
Both at home and abroad the existing the highest grade of steel of sulfur resistant drill pipe is 105ksi, comprises external Japanese NKK, French Mannesmann, Grant company, and domestic Baosteel, the Bohai Sea such as can restrain at the sulfur resistant drill pipe that all there is the 105ksi grade of steel in company.Yet, domestic western oil-gas field such as the general well depths of emphasis oil-gas field such as Sichuan, Chongqing and Tarim Basin reach more than the 5000m, contain again hydrogen sulfide medium in various degree, to the above deep-well of these 5000m, the 105ksi grade of steel can't satisfy the needs of drilling well load, and high grade of steel steel drilling rod is very responsive to the H 2 S stress corrosion cracking, the existence of hydrogen sulfide is easy to cause high steel grade drill pipe generation H 2 S stress corrosion cracking, cause drilling tool to rupture, fall the accidents such as well, cause very big harm to drilling engineering.The major cause that causes high steel grade drill pipe H 2 S stress corrosion cracking is that Composition Design and the manufacturing process of steel drill rod materials is obvious on the Microstructure characteristics impact of drilling rod, and the latter has determined the macro property feature of drilling rod.
Therefore, still be necessary to develop a kind of high steel grade sulfur resistant drill pipe material, by reasonable component and technological design, optimize the Microstructure characteristics of material, realize the anti-H 2 S stress corrosion cracking.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of high steel grade sulfur resistant drill pipe material and preparation method thereof.The intensity of this high steel grade sulfur resistant drill pipe material can reach 105-135ksi grade of steel scope, it can be applied to hydrogen sulfide containing oil-gas field deep drilling engineering, satisfies the sulfide hydrogen oil-gas field 5000-8000 rice deep-well safety drilling needs such as Sichuan, Chongqing, Tarim Basin.
For reaching above-mentioned purpose, the invention provides a kind of high steel grade sulfur resistant drill pipe material, by percentage to the quality, it comprises that following one-tenth is grouped into: C:0.15%-0.25%, Mn:0.20%-0.50%, Si:0.20%-0.30%, Cr:0.50%-1.20%, Ni:0.80%-1.5%, Mo:0.50%-1.20%, Nb:0.01%-0.03%, V:0.01%-0.03%, Ti:0.01%-0.03%, Al:1.0%-3.0%, La:0.005%-0.01%, S :≤0.001%, P :≤0.003%, surplus is Fe.
In the one-tenth of above-mentioned high steel grade sulfur resistant drill pipe material was grouped into, carbon (C) content had a direct impact for category of carbides, the quantity that preparation forms after the thermal treatment during this material.Fluidity molten steel impact during manganese (Mn), silicon (Si) are smelted for material significantly.Chromium (Cr), molybdenum (Mo) belong to carbide forming element, with the hardening capacity of second-phase dispersion thing feature and material after the reasonably combined and modified thermal treatment of carbon direct relation are arranged.Nickel (Ni) is dissolved in the matrix, and is significant for the toughness levels that improves steel, but its content crosses and can form at most free nickel simple substance, and H 2 S stress corrosion is had negative effect, and above-mentioned content is then suitable.Niobium (Nb), vanadium (V), titanium (Ti) belong to trace element, abnormal grain growth in course of hot rolling when an amount of interpolation can be suppressed at this material of preparation, can also crystal grain thinning, improve grain-boundary strength and stability, excessively will cause the dispersion alligatoring of growing up but arbitrary element adds, increase material to the susceptibility of H 2 S stress corrosion cracking.An amount of interpolation of aluminium (Al) can improve oxidation-resistance, the Al that material surface can spontaneous formation densification
2O
3Film stops hydrogen sulfide molecule and active hydrogen atom to infiltrate matrix, thereby improves the erosion resistance of material, and excessive interpolation then can cause the autoxidation in the smelting molten steel, forms inclusion, increases material to the susceptibility of H 2 S stress corrosion cracking.Rare-earth elements of lanthanum (La) can scavenging material in inclusion, reduce different phases circle and crystal boundary unrelieved stress, improve second phase particles nucleation site homogeneity, guarantee that phase boundary and crystal boundary stress corrosion crack can not occur under hydrogen-sulfide environmental.Sulphur (S), phosphorus (P) belong to the impurity element in the steel, need strictly control, realize the purity of material.
In the present invention, preferably, described high steel grade sulfur resistant drill pipe material possesses following mechanical performance index: the room temperature yield strength is that 724-932MPa, room temperature tensile strength are that 850-1050MPa, unit elongation are that 25-35%, room temperature impelling strength are that 145-180J, grain fineness number are that 9.0-12.0 level, hardness are HRC18-HRC25.
According to the specific embodiment of the present invention, preferably, described high steel grade sulfur resistant drill pipe material satisfies the performance requriements of A method test in the NACE0177 standard, namely in A solution, described high steel grade sulfur resistant drill pipe material is applied 85% nominal yield strength, and it continues 720 hours stands under load can fracture.Wherein, A solution is for containing 5wt%NaCl and 0.5wt%CH
3The saturated H of COOH
2The S aqueous solution.
According to the specific embodiment of the present invention, under transmission electron microscope, observe, high steel grade sulfur resistant drill pipe material of the present invention comprises cementite in average per 100 square micron areas and alloying element carbide particle granule number is 5-15, the length-to-diameter ratio of particle is 1-1.5, and the interior spacing of particle ratio of spacing of particle and crystal grain is 0.8-1 on the crystal boundary.This material has the feature that crystal grain isometry, second phase particles isometry and disperse distribute, and can realize the homogenizing feature of drill rod materials microtexture, reduces material microstress concentration effect.
The present invention also provides a kind of above-mentioned high steel grade sulfur resistant drill pipe material preparation method, and it may further comprise the steps: be grouped into according to the one-tenth of described high steel grade sulfur resistant drill pipe material and choose raw material, described raw material is carried out melting, refining and continuous casting after, obtain ingot casting; Described ingot casting is rolled obtains tubing; Then described tubing is heat-treated, obtain described high steel grade sulfur resistant drill pipe material.
In above-mentioned preparation method, preferably, described heat treatment step comprises normalizing treatment, modifier treatment and the spheroidizing three phases that carries out successively.
In above-mentioned preparation method, preferably, described normalizing treatment may further comprise the steps: make described tubing 900-930 ℃ of lower insulation 30-60 minute, air cooling is to room temperature subsequently, obtains the tubing after the normalizing.
In above-mentioned preparation method, preferably, described modifier treatment may further comprise the steps: make tubing after the described normalizing 900-950 ℃ of lower insulation 45-60 minute, shrend is to room temperature subsequently, afterwards at 600-640 ℃ of lower tempering 45-90 minute, then water-cooled is to room temperature, obtains the tubing after modified.
In above-mentioned preparation method, preferably, described spheroidizing may further comprise the steps: make described tubing after modified 680-720 ℃ of lower insulation 30-45 minute, water-cooled obtains described high steel grade sulfur resistant drill pipe material to room temperature subsequently.
In above-mentioned heat treated process, normalizing treatment can eliminate tubing unrelieved stress, make the microtexture homogenizing.Modifier treatment can obtain single, uniform tempered sorbite tissue, control austenitizing temperature and time, can guarantee tubing realization full austenite, and the grain coarsening phenomenon can not occur again.Spheroidizing can be carried out nodularization to tempered sorbite tissue second phase particles, reduces its length-to-diameter ratio, concentrates with the microstress around the second phase particles that reduces tubing, reduces resulting drill rod materials to the susceptibility of H 2 S stress corrosion crackle.The water-cooled in tempering and nodularization stage is processed can control second phase particles quantity and morphological specificity, prevents that it from further growing up and alligatoring.
In above-mentioned preparation method, preferably, described melting, refining and continuous casting may further comprise the steps: in pure iron water, add alloying element as raw material, with described raw material by the converter melting, then after vacuum outgas, external refining and refining by electro-slag remelting are processed, be cast into ingot casting; More preferably, described ingot casting is that external diameter is the cylindrical ingot casting of Φ 230-Φ 350.Adopt above-mentioned technique can realize the sublimate target of material, satisfy P, technical requirements that the S foreign matter content is lower.
In above-mentioned preparation method, preferably, described rolling may further comprise the steps: make described ingot casting 950 ℃-1150 ℃ lower insulations 45-60 minute, obtain having the material of fully austenitic structure, make under 900-1100 ℃ that described material with fully austenitic structure is bored a hole successively, behind the tube rolling, obtaining tubing subsequently; More preferably, the sectional area of described tubing is the 4-10% of the sectional area of described ingot casting.Has tiny grain fineness number size according to the material after the rolling art breading, for subsequent heat treatment provides the base mateiral performance.
In the process of the rolling, can effectively utilize Cr, Mo, Nb, V, Ti alloying element in the free simple substance attitude feature in specified temp interval for the control of rolling temperature, increase the heterogeneous forming core effect of dynamic recrystallization, realize grain refining and homogenizing.Can guarantee that for the control of soaking time ingot casting realizes austenitizing fully, but grain coarsening can not occur.For the control of tubing sectional area, namely for the control of rolling reduction, it can take full advantage of the further crystal grain thinning of mechanical deformation, improves simultaneously the obdurability of material.
High steel grade sulfur resistant drill pipe material provided by the invention can prepare the sulfur resistant drill pipe product of 105-135ksi grade of steel scope by the technique of the routines such as tapping, boring.This sulfur resistant drill pipe product can be applied to hydrogen sulfide containing oil-gas field deep drilling engineering, satisfies the sulfide hydrogen oil-gas field 5000-8000 rice deep-well safety drilling needs such as Sichuan, Chongqing, Tarim Basin.
Description of drawings
Fig. 1 is the metallograph of the high steel grade sulfur resistant drill pipe material of embodiment 1.
Fig. 2 is the transmission electron microscope photo of second phase particles of the high steel grade sulfur resistant drill pipe material of embodiment 1.
Fig. 3 is the photo of high steel grade sulfur resistant drill pipe material after the test of anti-H 2 S stress corrosion cracking performance of embodiment 1-3.
Embodiment
Embodiment 1-3
Embodiment 1-3 provides respectively a kind of high steel grade sulfur resistant drill pipe material, and its preparation method may further comprise the steps:
Composition according to described high steel grade sulfur resistant drill pipe material is chosen raw material, and wherein, the composition of the high steel grade sulfur resistant drill pipe material of embodiment 1-3 is as shown in table 1;
Add alloying element as raw material in pure iron water, described raw material by the converter melting, then after vacuum outgas, external refining and refining by electro-slag remelting are processed, is cast into ingot casting, wherein, the external diameter of the resulting ingot casting of embodiment 1-3 is as shown in table 2;
Then make described ingot casting be incubated at a certain temperature certain hour, obtain having the material of fully austenitic structure, make at a certain temperature subsequently that described material with fully austenitic structure is bored a hole successively, behind the tube rolling, form tubing, wherein, the perforation preincubation technique in the rolling technology of embodiment 1-3, piercing temperature, tube rolling temperature and rolling after tubing and rolling before the sectional area ratio of ingot casting all as shown in table 2;
Described tubing is heat-treated, and described thermal treatment comprises normalizing, modified and nodularization, forms described high steel grade sulfur resistant drill pipe material, and wherein, the processing parameter of the normalizing in the thermal treatment process of embodiment 1-3, modulation and nodularization is as shown in table 3.
The composition of the high steel grade sulfur resistant drill pipe material of table 1 embodiment 1-3, wt%
| Embodiment | C | Si | Mn | P | S | Cr | Ni |
| 1 | 0.16 | 0.21 | 0.22 | 0.0026 | 0.00075 | 1.15 | 1.45 |
| 2 | 0.20 | 0.25 | 0.35 | 0.0024 | 0.00082 | 0.83 | 1.19 |
| 3 | 0.24 | 0.29 | 0.48 | 0.0019 | 0.00078 | 0.56 | 0.86 |
| Embodiment | Mo | V | Nb | Ti | Al | La | Fe |
| 1 | 1.16 | 0.012 | 0.026 | 0.013 | 1.15 | 0.0052 | Surplus |
| 2 | 0.97 | 0.020 | 0.016 | 0.028 | 1.82 | 0.0075 | Surplus |
| 3 | 0.58 | 0.028 | 0.011 | 0.019 | 2.85 | 0.0096 | Surplus |
Ingot casting external diameter and the rolling technological parameter of table 2 embodiment 1-3
| Embodiment | The continuously cast bloom external diameter | Perforation preincubation technique | Piercing temperature | The tube rolling temperature | End/beginning sectional area ratio |
| 1 | Φ230 | 955℃×60min | 1100℃ | 1050℃ | 10％ |
| 2 | Φ280 | 1050℃×50min | 1030℃ | 980℃ | 8％ |
| 3 | Φ340 | 1146℃×45min | 960℃ | 910℃ | 5％ |
The thermal treatment process of table 3 embodiment 1-3
Carry out mensuration and the test of anti-H 2 S stress corrosion cracking performance of yield strength, tensile strength, unit elongation, room temperature ballistic work, Rockwell hardness for the high steel grade sulfur resistant drill pipe material of embodiment 1-3, test-results is as shown in table 4.Every mechanical property is carried out according to API Spec5D drilling rod standard, and mechanical performance index meets the 105-135ksi strength range, and plasticity, the toughness of material are good.The test of anti-H 2 S stress corrosion cracking performance is carried out according to NACE TM0177 standard A method, and concrete steps are as follows: make the high steel grade sulfur resistant drill pipe material (contain 5wt%NaCl and 0.5wt%CH at A solution
3The saturated H of COOH
2The S aqueous solution) by keeping 720 hours under 85% nominal grade of steel (the being yield strength) constant load, if this high steel grade sulfur resistant drill pipe material does not rupture, then represent it by test in, it is qualified to be evaluated as.Fig. 3 is the photo of high steel grade sulfur resistant drill pipe material after the test of anti-H 2 S stress corrosion cracking performance of embodiment 1-3, is followed successively by the high steel grade sulfur resistant drill pipe material of embodiment 1, embodiment 2, embodiment 3 from top to bottom.As shown in Figure 3, the drill rod materials of embodiment 1-3 is all tested by the anti-H 2 S stress corrosion cracking performance.
The performance test results of the high steel grade sulfur resistant drill pipe material of table 4 embodiment 1-3
Fig. 1 shows the metallographic structure feature of the high steel grade sulfur resistant drill pipe material of embodiment 1.Metallographic structure pattern among Fig. 1 shows, the grain fineness number of this material is tiny, waits the axle shape, and the grain fineness number diameter is about 5um, is in the 9-12 level scope; And material structure is even, without the banded segregation phenomenon.Fig. 2 shows the second phase particles feature of high steel grade sulfur resistant drill pipe material under transmission electron microscope of embodiment 1.Fig. 2 shows that the second phase particles of this material is tiny for shape such as axle such as grade, size, diameter 0.2um, and without the particle accumulation phenomenon, the disperse distribution characteristics is good.Therefore, the high steel grade sulfur resistant drill pipe material of embodiment 1 has been realized the homogenizing feature of microtexture having reduced the microstress concentration effect, and then has reduced the susceptibility of this drill rod materials to the H 2 S stress corrosion crackle.
Claims (10)
1. high steel grade sulfur resistant drill pipe material, by percentage to the quality, it comprises that following one-tenth is grouped into: C:0.15%-0.25%, Mn:0.20%-0.50%, Si:0.20%-0.30%, Cr:0.50%-1.20%, Ni:0.80%-1.5%, Mo:0.50%-1.20%, Nb:0.01%-0.03%, V:0.01%-0.03%, Ti:0.01%-0.03%, Al:1.0%-3.0%, La:0.005%-0.01%, S :≤0.001%, P :≤0.003%, surplus is Fe.
2. high steel grade sulfur resistant drill pipe material as claimed in claim 1, it possesses following mechanical performance index: the room temperature yield strength is that 724-932MPa, room temperature tensile strength are that 850-1050MPa, unit elongation are that 25-35%, room temperature impelling strength are that 145-180J, grain fineness number are that 9.0-12.0 level, hardness are HRC18-HRC25.
3. high steel grade sulfur resistant drill pipe material as claimed in claim 1 or 2, it satisfies the performance requriements of A method test in the NACE0177 standard, namely in A solution, described high steel grade sulfur resistant drill pipe material is applied 85% nominal yield strength, it continues 720 hours stands under load can fracture.
4. each described high steel grade sulfur resistant drill pipe material preparation method of claim 1-3, it may further comprise the steps: be grouped into according to the one-tenth of described high steel grade sulfur resistant drill pipe material and choose raw material, described raw material is carried out melting, refining and continuous casting after, obtain ingot casting; Described ingot casting is rolled obtains tubing; Then described tubing is heat-treated, obtain described high steel grade sulfur resistant drill pipe material.
5. preparation method as claimed in claim 4, wherein, described heat treatment step comprises normalizing treatment, modifier treatment and the spheroidizing three phases that carries out successively.
6. preparation method as claimed in claim 5, wherein, described normalizing treatment may further comprise the steps: make described tubing 900-930 ℃ of lower insulation 30-60 minute, air cooling is to room temperature subsequently, obtains the tubing after the normalizing.
7. such as claim 5 or 6 described preparation methods, wherein, described modifier treatment may further comprise the steps: make tubing after the described normalizing 900-950 ℃ of lower insulation 45-60 minute, shrend is to room temperature subsequently, afterwards at 600-640 ℃ of lower tempering 45-90 minute, then water-cooled is to room temperature, obtains the tubing after modified.
8. such as each described preparation method of claim 5-7, wherein, described spheroidizing may further comprise the steps: make described tubing after modified 680-720 ℃ of lower insulation 30-45 minute, water-cooled obtains described high steel grade sulfur resistant drill pipe material to room temperature subsequently.
9. such as each described preparation method of claim 4-8, wherein, described melting, refining and continuous casting may further comprise the steps: add alloying element as raw material in pure iron water, with described raw material by the converter melting, then after vacuum outgas, external refining and refining by electro-slag remelting are processed, be cast into ingot casting; Preferably, described ingot casting is that external diameter is the cylindrical ingot casting of Φ 230-Φ 350.
10. such as each described preparation method of claim 4-9, wherein, described rolling may further comprise the steps: make described ingot casting 950 ℃-1150 ℃ lower insulations 45-60 minute, obtain having the material of fully austenitic structure, make under 900-1100 ℃ that described material with fully austenitic structure is bored a hole successively, behind the tube rolling, obtaining tubing subsequently; Preferably, the sectional area of described tubing is the 4-10% of the sectional area of described ingot casting.
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| CN201310024023.1A CN103060713B (en) | 2013-01-22 | 2013-01-22 | High-steel-grade anti-sulfur drill pipe material and preparation method thereof |
| PCT/CN2014/070669 WO2014114200A1 (en) | 2013-01-22 | 2014-01-15 | High-steel-grade anti-sulfur drill pipe material and preparation method thereof |
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| WO2014114200A1 (en) * | 2013-01-22 | 2014-07-31 | 中国石油天然气集团公司 | High-steel-grade anti-sulfur drill pipe material and preparation method thereof |
| CN104694833A (en) * | 2015-03-20 | 2015-06-10 | 苏州市神龙门窗有限公司 | High-strength steel special for anti-theft door frame and thermal treatment method thereof |
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| CN108048737A (en) * | 2017-11-28 | 2018-05-18 | 兰州兰石集团有限公司 | Main load-bearing part steel of drilling lifting means and preparation method thereof |
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| CN112048669A (en) * | 2020-08-28 | 2020-12-08 | 南京钢铁股份有限公司 | High-strength and high-toughness steel for drill pipe joint and preparation method thereof |
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| CN109930066A (en) * | 2019-03-15 | 2019-06-25 | 包头钢铁（集团）有限责任公司 | A kind of hydrogen sulfide corrosion resistant low temperature seamless line pipe and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117683A (en) * | 2006-07-31 | 2008-02-06 | 宝山钢铁股份有限公司 | High-performance hydrogen sulfide corrosion resistant oil drill rocker and its heat treatment process |
| CN101570836A (en) * | 2008-04-30 | 2009-11-04 | 中国石油天然气集团公司 | Method for preparing polyphase structure drill rod materials |
| CN101935808A (en) * | 2010-09-19 | 2011-01-05 | 天津钢管集团股份有限公司 | 130ksi steel-grade low-temperature drill rod with high toughness and corrosion resistance and manufacturing method thereof |
| CN102409240A (en) * | 2010-09-21 | 2012-04-11 | 宝山钢铁股份有限公司 | Hydrogen sulfide corrosion-resistant steel for petroleum drill rod and manufacturing method for hydrogen sulfide corrosion-resistant steel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006009097A1 (en) * | 2006-02-28 | 2007-08-30 | Clariant International Limited | Wax composition and its use |
| US9238848B2 (en) * | 2010-05-10 | 2016-01-19 | Nippon Steel & Sumitomo Metal Corporation | High-strength steel sheet and method for producing same |
| CN102453841A (en) * | 2010-10-22 | 2012-05-16 | 江阴兴澄特种钢铁有限公司 | Steel used for sea oil extraction platform R4S grade mooring chain and its manufacture method |
| CN103060713B (en) * | 2013-01-22 | 2015-07-08 | 中国石油天然气集团公司 | High-steel-grade anti-sulfur drill pipe material and preparation method thereof |
-
2013
- 2013-01-22 CN CN201310024023.1A patent/CN103060713B/en active Active
-
2014
- 2014-01-15 WO PCT/CN2014/070669 patent/WO2014114200A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117683A (en) * | 2006-07-31 | 2008-02-06 | 宝山钢铁股份有限公司 | High-performance hydrogen sulfide corrosion resistant oil drill rocker and its heat treatment process |
| CN101570836A (en) * | 2008-04-30 | 2009-11-04 | 中国石油天然气集团公司 | Method for preparing polyphase structure drill rod materials |
| CN101935808A (en) * | 2010-09-19 | 2011-01-05 | 天津钢管集团股份有限公司 | 130ksi steel-grade low-temperature drill rod with high toughness and corrosion resistance and manufacturing method thereof |
| CN102409240A (en) * | 2010-09-21 | 2012-04-11 | 宝山钢铁股份有限公司 | Hydrogen sulfide corrosion-resistant steel for petroleum drill rod and manufacturing method for hydrogen sulfide corrosion-resistant steel |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014114200A1 (en) * | 2013-01-22 | 2014-07-31 | 中国石油天然气集团公司 | High-steel-grade anti-sulfur drill pipe material and preparation method thereof |
| CN104694833A (en) * | 2015-03-20 | 2015-06-10 | 苏州市神龙门窗有限公司 | High-strength steel special for anti-theft door frame and thermal treatment method thereof |
| CN106544483A (en) * | 2016-10-26 | 2017-03-29 | 首钢总公司 | A kind of heat treatment method of the anti-SSCC performances of raising C Mn steel plates |
| CN108048737A (en) * | 2017-11-28 | 2018-05-18 | 兰州兰石集团有限公司 | Main load-bearing part steel of drilling lifting means and preparation method thereof |
| CN109266816A (en) * | 2018-10-18 | 2019-01-25 | 本钢板材股份有限公司 | A kind of oil drill rocker crossover sub and the method for improving its transverse impact toughness |
| CN112048669A (en) * | 2020-08-28 | 2020-12-08 | 南京钢铁股份有限公司 | High-strength and high-toughness steel for drill pipe joint and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN103060713B (en) | 2015-07-08 |
| WO2014114200A1 (en) | 2014-07-31 |
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