公开(公告)号：US20090084604A1

公开(公告)日：2009-04-02

申请号：US12252935

申请日：2008-10-16

申请人： Richard S. Polizzotti ,  Dennis George Peiffer ,  Ramesh Gupta ,  Norman M. Pokutylowicz ,  Barbara Carstensen ,  Michael J. Luton ,  Paul Matthew Spiecker

发明人： Richard S. Polizzotti ,  Dennis George Peiffer ,  Ramesh Gupta ,  Norman M. Pokutylowicz ,  Barbara Carstensen ,  Michael J. Luton ,  Paul Matthew Spiecker

IPC分类号： E21B7/00 ,  C09K8/02

CPC分类号： C09K8/03 ,  B29C44/00 ,  Y10T428/2982

摘要： A compressible object is described that may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The compressible object includes a shell that encloses an interior region. The interior region of the shell is at least partially filled with a foam. The internal pressure of the compressible object may be greater than about 200 psi (pounds per square inch) at atmospheric pressure, greater than 500 psi at atmospheric pressure, greater than 1500 psi at atmospheric pressure or more preferably greater than 2000 psi at atmospheric pressure.

摘要翻译： 描述了一种可压缩物体，其可用于钻井泥浆和钻井系统以管理钻井泥浆的密度。 可压缩物体包括封闭内部区域的壳体。 壳体的内部区域至少部分地填充有泡沫。 在大气压下，可压缩物体的内部压力可以大于约200psi（磅/平方英寸），在大气压下大于500psi，在大气压下大于1500psi，或更优选在大气压下大于2000psi。

公开(公告)号：US06224689B1

公开(公告)日：2001-05-01

申请号：US09123859

申请日：1998-07-28

申请人： Jayoung Koo ,  Michael J. Luton ,  Narasimha-Rao V. Bangaru ,  Clifford W. Petersen ,  Hiroshi Tamehiro ,  Hitoshi Asahi ,  Takuya Hara ,  Yoshio Terada

发明人： Jayoung Koo ,  Michael J. Luton ,  Narasimha-Rao V. Bangaru ,  Clifford W. Petersen ,  Hiroshi Tamehiro ,  Hitoshi Asahi ,  Takuya Hara ,  Yoshio Terada

IPC分类号： C22C3812

CPC分类号： C22C38/08 ,  C21D1/19 ,  C21D2211/002 ,  C21D2211/005 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14

摘要： An ultra-high strength essentially boron-free steel having a tensile strength of at least about 900 MPa (130 ksi), a toughness as measured by Charpy V-notch impact test at −40° C. (−40° F.) of at least about 120 joules (90 ft-lbs), and a microstructure comprising predominantly fine-grained lower bainite, fine-grained lath martensite, or mixtures thereof, transformed from substantially unrecrystallized austenite grains and comprising iron and specified weight percentages of the additives: carbon, silicon, manganese, copper, nickel, niobium, vanadium, molybdenum, chromium, titanium, aluminum, calcium, Rare Earth Metals, and magnesium, is prepared by heating a steel slab to a suitable temperature; reducing the slab to form plate in one or more hot rolling passes in a first temperature range in which austenite recrystallizes; further reducing said plate in one or more hot rolling passes in a second temperature range below said first temperature range and above the temperature at which austenite begins to transform to ferrite during cooling; quenching said plate to a suitable Quench Stop Temperature; and stopping said quenching and allowing said plate to air cool to ambient temperature.

摘要翻译： 具有至少约900MPa（130ksi）拉伸强度的超高强度基本上不含硼的钢，在-40℃（-40°F）下通过夏比V-缺口冲击试验测得的韧性 至少约120焦耳（90ft-lbs），以及由基本上未再结晶的奥氏体晶粒转化并且包含铁和特定重量百分比的添加剂的主要包含细粒度的下贝氏体，细粒状板条马氏体或其混合物的显微组织： 通过将钢坯加热到合适的温度来制备碳，硅，锰，铜，镍，铌，钒，钼，铬，钛，​​铝，钙，稀土金属和镁。 在奥氏体重结晶的第一温度范围内，在一个或多个热轧道中将板坯还原成板; 在低于所述第一温度范围的第二温度范围内并且高于在冷却期间奥氏体开始转变为铁素体的温度的一个或多个热轧道中进一步减少所述板; 将所述板淬火至合适的淬火停止温度; 并停止所述淬火并允许所述板空气冷却至环境温度。

公开(公告)号：US5545270A

公开(公告)日：1996-08-13

申请号：US349860

申请日：1994-12-06

申请人： Jayoung Koo ,  Michael J. Luton

发明人： Jayoung Koo ,  Michael J. Luton

IPC分类号： C21D6/02 ,  C21D7/12 ,  C21D8/02 ,  C21D8/10 ,  C22C38/00 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14

CPC分类号： C22C38/14 ,  C21D6/02 ,  C21D8/0226 ,  C22C38/04 ,  C22C38/12 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C21D7/12 ,  C21D8/10

摘要： A high strength steel composition comprising ferrite and martensite/banite phases, the ferrite phase having primarily vanadium and mobium carbide or carbonitride precipitates, is prepared by a first rolling above the austenite recrystallization temperature; a second rolling below the anstenite recrystallization temperature; a third rolling between the Ar.sub.3 and Ar.sub.1 transformation points, and water cooling to below about 400.degree. C.

摘要翻译： 通过在奥氏体再结晶温度以上进行第一次轧制，制备了包含铁素体和马氏体/银相的高强度钢组合物，主要为钒和碳化铁或碳氮化物析出物的铁素体相; 第二次在低钙钛矿再结晶温度以下滚动; Ar3和Ar1相变点之间的第三次滚动，水冷至低于约400℃。

公开(公告)号：US4599214A

公开(公告)日：1986-07-08

申请号：US524028

申请日：1983-08-17

申请人： Michael J. Luton

发明人： Michael J. Luton

IPC分类号： C22C1/05 ,  B21C23/01 ,  B21C25/02 ,  B22F3/20 ,  B30B11/22 ,  C22C32/00 ,  C22C19/00

CPC分类号： B30B11/221 ,  B22F3/20 ,  C22C32/0015

摘要： Disclosed are extruded dispersion strengthened metallic materials which are substantially free of texture as well as a method for producing such materials. The method comprises extruding a billet of dispersion strengthened metallic powder material comprised of one or more metals and one or more refractory compounds said powder material having a mean grain size less than about 5 microns and whose grain size is substantially stable at the extrusion conditions, through a die having an internal contour such that the material is subjected to a natural strain rate which is substantially constant as it pass through the die.

摘要翻译： 公开了基本上不含质地的挤出分散强化金属材料以及这种材料的制造方法。 该方法包括挤出由一种或多种金属组成的分散强化金属粉末材料坯料和一种或多种难熔化合物，所述粉末材料具有小于约5微米的平均粒度，其粒度在挤出条件下基本上是稳定的，通过 具有内部轮廓的模具，使得材料经受其通过模头时基本上恒定的自然应变速率。

公开(公告)号：US20090091053A1

公开(公告)日：2009-04-09

申请号：US12252936

申请日：2008-10-16

申请人： Richard S. Polizzotti ,  Dennis George Peiffer ,  Ramesh Gupta ,  Norman M. Pokutylowicz ,  Barbara Carstensen ,  Michael J. Luton ,  Paul Matthew Spiecker

发明人： Richard S. Polizzotti ,  Dennis George Peiffer ,  Ramesh Gupta ,  Norman M. Pokutylowicz ,  Barbara Carstensen ,  Michael J. Luton ,  Paul Matthew Spiecker

IPC分类号： B29C44/04

CPC分类号： B29D22/00 ,  C08J9/365 ,  C08J2201/038 ,  C09K8/02 ,  C09K8/03 ,  E21B21/08 ,  Y10T428/2984

摘要： Methods for fabricating compressible object are described. These compressible objects may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The method includes selecting an architecture for a compressible object; selecting a wall material for the compressible object; and fabricating the compressible object, wherein the compressible object has a shell that encloses an interior region, and has an internal pressure (i) greater than about 200 pounds per square inch at atmospheric pressure and (ii) selected for a predetermined external pressure, wherein external pressures that exceed the internal pressure reduce the volume of the compressible object.

摘要翻译： 描述制造可压缩物体的方法。 这些可压缩物体可用于钻井泥浆和钻井系统以管理钻井泥浆的密度。 该方法包括选择可压缩对象的架构; 选择可压缩物体的墙体材料; 以及制造所述可压缩物体，其中所述可压缩物体具有包围内部区域的外壳，并且在大气压下具有大于约200磅/平方英寸的内部压力（i），以及（ii）选择预定的外部压力，其中 超过内部压力的外部压力降低了可压缩物体的体积。

公开(公告)号：US06248191B1

公开(公告)日：2001-06-19

申请号：US09123858

申请日：1998-07-28

申请人： Michael J. Luton ,  Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Clifford W. Petersen ,  Hiroshi Tamehiro ,  Hitoshi Asahi ,  Takuya Hara ,  Masaaki Sugiyama

发明人： Michael J. Luton ,  Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Clifford W. Petersen ,  Hiroshi Tamehiro ,  Hitoshi Asahi ,  Takuya Hara ,  Masaaki Sugiyama

IPC分类号： C21D800

CPC分类号： C21D6/005 ,  C21D1/19 ,  C21D8/0226 ,  C21D2211/002 ,  C21D2211/008

摘要： A method is provided for producing an ultra-high strength steel having a tensile strength of at least about 900 MPa (130 ksi), a toughness as measured by Charpy V-notch impact test at −40° C. (−40° F.) of at least about 120 joules (90 ft-lbs), and a microstructure comprising predominantly fine-grained lower bainite, fine-grained lath martensite, or mixtures thereof, transformed from substantially unrecrystallized austenite grains and comprising iron and specified weight percentages of the additives: carbon, silicon, manganese, copper, nickel, niobium, vanadium, molybdenum, chromium, titanium, aluminum, calcium, Rare Earth Metals, and magnesium. A steel slab is heated to a suitable temperature; the slab is reduced to form plate in one or more hot rolling passes in a first temperature range in which austenite recrystallizes; said plate is further reduced in one or more hot rolling passes in a second temperature range below said first temperature range and above the temperature at which austenite begins to transform to ferrite during cooling; said plate is quenched to a suitable Quench Stop Temperature; and said quenching is stopped and said plate is allowed to air cool to ambient temperature.

摘要翻译： 提供一种制造抗拉强度为至少约900MPa（130ksi）的超高强度钢，-40℃下通过夏比V-缺口冲击试验测得的韧性的方法（-40°F） ）至少约120焦耳（90ft-lbs），以及由基本上未再结晶的奥氏体晶粒转化并且包含铁和特定重量百分比的主要由细晶粒的下贝氏体，细粒状板条马氏体或其混合物组成的微结构， 添加剂：碳，硅，锰，铜，镍，铌，钒，钼，铬，钛，​​铝，钙，稀土金属和镁。 将钢坯加热到合适的温度; 在奥氏体再结晶的第一温度范围内，在一个或多个热轧道中，将板坯还原成板; 所述板在一个或多个热轧道中在低于所述第一温度范围和高于在冷却期间奥氏体开始转变为铁素体的温度的温度范围内进一步减小; 所述板淬火至合适的淬火停止温度; 并且停止淬火，并使所述板空气冷却至环境温度。

公开(公告)号：US06245290B1

公开(公告)日：2001-06-12

申请号：US09380254

申请日：1999-08-25

申请人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Michael J. Luton ,  Clifford W. Petersen ,  Kazuki Fujiwara ,  Shuji Okaguchi ,  Masahiko Hamada ,  Yu-ichi Komizo

发明人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Michael J. Luton ,  Clifford W. Petersen ,  Kazuki Fujiwara ,  Shuji Okaguchi ,  Masahiko Hamada ,  Yu-ichi Komizo

IPC分类号： C21D800

CPC分类号： C22C38/02 ,  C21D8/0226 ,  C21D2211/002 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/58

摘要： A high-tensile-strength steel having excellent toughness throughout its thickness, excellent properties at welded joints, and a tensile strength (TS) of at least about 900 MPa (130 ksi), and a method for making such steel, are provided. Steels according to this invention preferably have the following composition based on % by weight: carbon (C): 0.02% to 0.1%; silicon (Si): not greater than 0.6%; manganese (Mn): 0.2% to 2.5%; nickel (Ni): 0.2% to 1.2%; niobium (Nb): 0.01% to 0.1%; titanium (Ti): 0.005% to 0.03%; aluminum (Al): not greater than 0.1%; nitrogen (N): 0.001% to 0.006%; copper (Cu): 0% to 0.6%; chromium (Cr): 0% to 0.8%; molybdenum (Mo): 0% to 0.6%; vanadium (V): 0% to 0.1%; boron (B): 0% to 0.0025%; and calcium (Ca): 0% to 0.006%. The value of Vs as defined by Vs=C+(Mn/5)+5P−(Ni/10)−(Mo/15)+(Cu/10) is 0.15 to 0.42. P and S among impurities are contained in an amount of not greater than 0.015% and not greater than 0.003%, respectively. The carbide size in the steel is not greater than 5 microns in the longitudinal direction.

摘要翻译： 提供了其整个厚度具有优异的韧性，在焊接接头处具有优异性能以及至少约900MPa（130ksi）的拉伸强度（TS））的高强度钢及其制造方法。 根据本发明的钢优选具有以重量％计的以下组成：碳（C）：0.02％至0.1％; 硅（Si）：不大于0.6％; 锰（Mn）：0.2〜2.5％ 镍（Ni）：0.2〜1.2％ 铌（Nb）：0.01〜0.1％ 钛（Ti）：0.005〜0.03％ 铝（Al）：不大于0.1％; 氮（N）：0.001〜0.006％ 铜（Cu）：0〜0.6％ 铬（Cr）：0〜0.8％ 钼（Mo）：0〜0.6％ 钒（V）：0％至0.1％; 硼（B）：0〜0.0025％ 和钙（Ca）：0〜0.006％。 由Vs = C +（Mn / 5）+ 5P-（Ni / 10） - （Mo / 15）+（Cu / 10）定义的Vs的值为0.15〜0.42。 杂质中的P和S的含量分别不大于0.015％且不大于0.003％。 钢中的碳化物尺寸在纵向上不大于5微米。

公开(公告)号：US06228183B1

公开(公告)日：2001-05-08

申请号：US09123791

申请日：1998-07-28

申请人： Narasimha-Rao V. Bangaru ,  Jayoung Koo ,  Michael J. Luton ,  Clifford W. Petersen ,  Hiroshi Tamehiro ,  Hitoshi Asahi ,  Takuya Hara ,  Yoshio Terada

发明人： Narasimha-Rao V. Bangaru ,  Jayoung Koo ,  Michael J. Luton ,  Clifford W. Petersen ,  Hiroshi Tamehiro ,  Hitoshi Asahi ,  Takuya Hara ,  Yoshio Terada

IPC分类号： C22C3814

CPC分类号： C22C38/06 ,  C21D1/19 ,  C21D8/00 ,  C21D2211/002 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14

摘要： An ultra-high strength boron-containing steel having a tensile strength of at least about 900 MPa (130 ksi), a toughness as measured by Charpy V-notch impact test at −40° C. (−40° F.) of at least about 120 joules (90 ft-lbs), and a microstructure comprising predominantly fine-grained lower bainite, fine-grained lath martensite, or mixtures thereof, transformed from substantially unrecrystallized austenite grains and comprising iron and specified weight percentages of the additives: carbon, silicon, manganese, copper, nickel, niobium, vanadium, molybdenum, chromium, titanium, aluminum, calcium, Rare Earth Metals, and magnesium, is prepared by heating a steel slab to a suitable temperature; reducing the slab to form plate in one or more hot rolling passes in a first temperature range in which austenite recrystallizes; further reducing said plate in one or more hot rolling passes in a second temperature range below said first temperature range and above the temperature at which austenite begins to transform to ferrite during cooling; quenching said plate to a suitable Quench Stop Temperature; and stopping said quenching and allowing said plate to air cool to ambient temperature.

摘要翻译： 具有至少约900MPa（130ksi）拉伸强度的超高强度含硼钢，在-40℃（-40°F）下通过夏比V-缺口冲击试验测得的韧性 至少约120焦耳（90ft-lbs），以及由基本上未再结晶的奥氏体晶粒转化并且包含铁和特定重量百分比的添加剂的主要包含细粒度的下贝氏体，细粒状板条马氏体或其混合物的微观结构：碳 通过将钢坯加热到合适的温度来制备硅，锰，铜，镍，铌，钒，钼，铬，钛，​​铝，钙，稀土金属和镁， 在奥氏体重结晶的第一温度范围内，在一个或多个热轧道中将板坯还原成板; 在低于所述第一温度范围的第二温度范围内并且高于在冷却期间奥氏体开始转变为铁素体的温度的一个或多个热轧道中进一步减少所述板; 将所述板淬火至合适的淬火停止温度; 并停止所述淬火并允许所述板空气冷却至环境温度。

公开(公告)号：US5545269A

公开(公告)日：1996-08-13

申请号：US349857

申请日：1994-12-06

申请人： Jayoung Koo ,  Michael J. Luton

发明人： Jayoung Koo ,  Michael J. Luton

IPC分类号： C21D6/02 ,  C21D7/12 ,  C21D8/02 ,  C21D8/10 ,  C22C38/00 ,  C22C38/04 ,  C22C38/08 ,  C22C38/14 ,  C22C38/16

CPC分类号： C22C38/16 ,  C21D6/02 ,  C21D8/0226 ,  C22C38/04 ,  C22C38/08 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/004 ,  C21D2211/008 ,  C21D7/12 ,  C21D8/10

摘要： High strength steel is produced by a first rolling of a steel composition, reheated above 1100.degree. C., above the austenite recrystallization, a second rolling below the austenite recrystallization temperature, water cooling from above Ar.sub.3 to less than 400.degree. C. and followed by tempering below the Ac.sub.1 transformation point.

摘要翻译： 高强度钢是通过钢坯组合物的第一次轧制，在1100℃以上再加热，高于奥氏体再结晶，在奥氏体再结晶温度以下进行第二次轧制，从Ar3以上的水冷却至小于400℃， 回火以下Ac1转型点。

公开(公告)号：US08088717B2

公开(公告)日：2012-01-03

申请号：US12252935

申请日：2008-10-16

申请人： Richard S. Polizzotti ,  Dennis George Peiffer ,  Ramesh Gupta ,  Norman M. Pokutylowicz ,  Barbara Carstensen ,  Michael J. Luton ,  Paul Matthew Spiecker

发明人： Richard S. Polizzotti ,  Dennis George Peiffer ,  Ramesh Gupta ,  Norman M. Pokutylowicz ,  Barbara Carstensen ,  Michael J. Luton ,  Paul Matthew Spiecker

IPC分类号： C09K8/03

CPC分类号： C09K8/03 ,  B29C44/00 ,  Y10T428/2982

摘要： A compressible object is described that may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The compressible object includes a shell that encloses an interior region. The interior region of the shell is at least partially filled with a foam. The internal pressure of the compressible object may be greater than about 200 psi (pounds per square inch) at atmospheric pressure, greater than 500 psi at atmospheric pressure, greater than 1500 psi at atmospheric pressure or more preferably greater than 2000 psi at atmospheric pressure.

摘要翻译： 描述了一种可压缩物体，其可用于钻井泥浆和钻井系统以管理钻井泥浆的密度。 可压缩物体包括封闭内部区域的壳体。 壳体的内部区域至少部分地填充有泡沫。 在大气压下，可压缩物体的内部压力可以大于约200psi（磅/平方英寸），在大气压下大于500psi，在大气压下大于1500psi，或更优选在大气压下大于2000psi。